Thinking about a trip to Krabi in the fall? You’ll want to get ready for warm days, sticky nights, and a mix of sunshine and rain. Daytime highs usually hit around 88°F (31°C), and nights only cool to about 74°F (23°C), so it stays hot and muggy most of the time. Rain still shows up pretty often, but it starts to back off as winter gets closer, so late fall feels a bit more comfortable if you’re hoping to explore.
Clouds hang around a lot at first, but by November, the skies clear up a bit. Rain can come down hard, but the sea keeps steady at about 84°F (29°C), so you can still enjoy the beaches and islands—even if you get caught in a quick downpour.
Days get a little shorter, winds mellow out, and the tropical climate keeps things lively. Maybe you’re wondering when the rain lets up, how much daylight you’ll get, or if the sea will be good for swimming. The details below should help you plan with a little more confidence.
Overview of Krabi’s Fall Climate
Fall in Krabi means steady warmth, high humidity, and rain that slowly lets up by the end of the season. Temperatures barely budge from day to night, but you’ll notice changes in clouds, rain, and wind as the months go by.
Seasonal Weather Patterns
During fall, Krabi sticks with daily highs around 88°F (31°C) and lows near 74°F (23°C). The numbers don’t swing much, and it’s humid almost every single day, morning through night.
Rain hits often in September and October, with wet days more common than dry ones early on. By late November, the odds of rain drop to about 47%. Average monthly rainfall slides down from about 10–12 inches in late September to around 6 inches in November.
Clouds are thick in September, with overcast or mostly cloudy skies about 90% of the time. By November’s end, that drops to roughly 76%, so you’ll catch more sun.
Winds start off blowing from the west but gradually shift eastward by late October as the monsoon loses steam.
Comparison to Other Seasons
Krabi’s winter brings drier, sunnier weather, while fall stays wetter and more humid. Rainfall in fall is still much higher than it is from January to March, when you might see less than 2 inches a month.
Fall temperatures feel a lot like summer, but the rain starts to ease a bit. Summer gets heavier, more frequent downpours, while fall marks the slow move toward a drier stretch.
Spring gets hotter, with highs often pushing 93–94°F (34°C). Fall doesn’t get quite that toasty, and the temperature stays more stable. If you don’t mind a little rain and want to avoid crowds, fall’s a solid in-between season.
Typical Climate Characteristics
Krabi’s fall climate is classic tropical monsoon. You’ll get warm temps, high humidity, and frequent—though lessening—rain. The sea stays nice and warm at about 84°F (29°C), so swimming and island trips are a go even on cloudy days.
Daylight drops a little as fall goes on. Early September gives you about 12 hours and 16 minutes, but by late November, you’re down to 11 hours and 42 minutes. Sunrises hover around 6:15 AM, with sunsets moving from about 6:30 PM to just after 6:00 PM.
Humidity sticks close to 100%, so the air always feels a bit damp, even when the sun comes out. Winds stay gentle—usually 4–5 mph—so most days feel calm.
If you’re planning a trip, expect warm seas, humid air, and the occasional heavy shower that tends to pass quickly. Light clothes, rain gear, and sunblock will help you stay comfortable in Krabi’s fall weather.
Average Fall Temperatures in Krabi
Krabi’s fall weather stays warm and muggy, with barely any change from month to month. Highs hover in the upper 80s °F, and nights only drop a little, staying above 70°F. The season keeps that tropical vibe, with just minor shifts from September through November.
Daytime Temperature Ranges
During fall, daytime temperatures in Krabi average about 88°F (31°C). Most afternoons feel hot but not unbearable. Highs rarely dip below 83°F (28°C) or go above 93°F (34°C).
This steady range makes it easy to plan outdoor stuff—beaches and islands stay comfortable for swimming, and the heat doesn’t get out of hand like it can in the peak summer.
Here’s a quick look at the usual highs:
| Month | Average High °F | Average High °C |
|---|---|---|
| September | 88°F | 31°C |
| October | 87°F | 31°C |
| November | 88°F | 31°C |
With such steady temps, you won’t need to worry about big swings. Still, humidity makes afternoons feel warmer than the numbers say.
Nighttime Lows
Evenings in Krabi don’t cool off much, with average lows around 74°F (23°C). Nights rarely drop below 71°F (22°C), so heavy clothes aren’t necessary. Most hotels and guesthouses have air conditioning or fans since the humidity sticks around after dark.
The small difference between day and night temps just reinforces that tropical feel. Unlike places with bigger swings, Krabi’s nights stay pretty warm.
| Month | Average Low °F | Average Low °C |
|---|---|---|
| September | 74°F | 23°C |
| October | 74°F | 23°C |
| November | 73°F | 23°C |
Since nights are muggy, you’ll want to pack light, breathable clothes.
Monthly Temperature Trends
From September to November, Krabi’s overall temperature pattern barely shifts. September starts out with highs near 88°F (31°C) and lows around 74°F (23°C). By November, numbers hardly change—highs stay put, and lows dip by maybe 1°F.
There’s no real cooling-off period in fall. The main difference comes from less rain and fewer clouds by late November, which can make things feel a bit less heavy.
The sea temperature sticks close to 84°F (29°C) all season, adding to that year-round warmth. As things dry out, the actual temps stay almost the same.
Rainfall and Humidity During Fall
Fall in Krabi brings frequent rainfall, high humidity, and a slow shift from the peak wet season to drier months. Rainfall and rainy days vary, but the humidity barely lets up, shaping how comfortable you’ll feel and what you can do outside.
Average Rainfall Amounts
Rain in Krabi during fall is still pretty heavy, though it starts to ease up by late November. September and October are some of the wettest months, with October averaging around 330 mm of rain. November drops to about 200 mm.
The seasonal drop is obvious, but you’ll still get heavy showers now and then. Rain usually comes in quick, intense bursts—not all-day downpours. If you’re planning outdoor stuff in September or October, expect to get wet.
| Month | Average Rainfall (mm) |
|---|---|
| September | ~300 |
| October | ~330 |
| November | ~200 |
So, rain stays frequent, but things trend drier as the year wraps up.
Rainy Days and Wet Season Trends
Rainy days stack up in fall, especially in September and October. You’ll get 20 or more rainy days in those months, so most days see at least a little rain. By November, that drops to about 15 days, which shows the move toward the dry season.
Rain usually falls in the afternoon or evening, so you might still get dry mornings. This pattern is typical for tropical monsoon places and helps you plan around the weather.
October gets the most rain, with showers on more than two-thirds of the days. Still, many showers pass quickly, and the sun can pop back out not long after.
Humidity Levels
Humidity in Krabi during fall sticks high, usually between 75% and 85%. The air feels heavy, especially around midday. Even when rain lets up in November, humidity doesn’t really drop.
You’ll feel the stickiness, especially after rain when evaporation kicks in. Nights are humid too, but a bit more comfortable thanks to cooler temps.
High humidity can be tough, so light clothes and lots of water are a must. Air conditioning gives you a break, but if you’re out and about, expect that damp air pretty much all the time.
Sunshine and Daylight Hours in Fall
In the fall months in Krabi, days get a bit shorter and sunshine hours shift compared to summer. Clouds still hang around, but you’ll get a few hours of sun each day, with differences between September, October, and November.
Average Daily Sunshine
September usually gives you 5 to 6 hours of sunshine per day, though rain can break up the clear stretches. In October, sunshine dips to about 3 to 4 hours daily, making it the cloudiest month.
November sees a turnaround. You often get 5 to 6 hours of sunshine again, since the rainy season backs off. That makes outdoor activities more of a sure thing, but you still might see a quick shower.
Sunshine hours don’t mean wall-to-wall blue skies. You’ll probably see a mix of bright sun and heavy clouds, especially in September and October.
Daylight Duration Changes
Daylight in Krabi doesn’t change much thanks to its tropical location. In fall, the days shorten just a little. In September, sunrise is about 6:15 AM and sunset just after 6:20 PM, giving you around 12 hours of daylight.
By October, the sun comes up near 6:20 AM and sets around 6:10 PM, so you get about 11 hours and 50 minutes of daylight.
November shortens things a bit more, with daylight at about 11 hours and 40 minutes. The change is slow—not dramatic like in some places—so you still get plenty of time for sightseeing or hitting the beach.
Sunshine Hours by Month
Sunshine totals bounce around from month to month.
- September: about 150–160 hours of sunshine
- October: drops to around 108–120 hours
- November: climbs back up to 160–170 hours
October really is the cloudiest and wettest stretch, while November feels a lot better for outdoor plans.
You’ll notice the difference—November gives you almost 2 extra hours of sunshine per week compared to October, which makes late fall more tempting if you’re after clearer skies.
Sea Conditions and Water Temperatures
Krabi’s sea stays warm and steady all through fall, so the water’s inviting for most activities. Even with rain still coming and going, the sea usually stays calm enough for swimming or just relaxing on many days.
Average Sea Temperature
From September to November, Krabi’s sea temperature hovers around 29°C (84°F). You’ll find the water warm whether you arrive early or late in the season.
Monthly changes barely register:
- September: ~29.3°C
- October: ~29.3°C
- November: ~29.4°C
These numbers sit well above what most swimmers consider comfortable. Even at night, the water hardly ever feels chilly.
You won’t need a wetsuit or any extra gear for a regular beach day. The water stays inviting.
Humidity and air temperature matter, too. With daytime highs near 30°C, the sea and air feel almost the same.
Moving between land and water barely makes a difference, so you can swim for ages without feeling uncomfortable.
Swimming and Beach Suitability
The warm sea makes swimming, snorkeling, and splashing around easy all season. Even on cloudy or rainy days, the water feels pleasant.
Rain picks up during fall, with 14–16 rainy days per month on average. This extra rain sometimes clouds the water and might shorten your beach time.
Still, once the rain stops, the sea usually stays safe for swimming.
Not every beach reacts the same way to storms. Some get stronger waves, while others remain calm and shallow.
If you want to snorkel or kayak, look for sheltered bays where the water stays clearer.
Most travelers find the steady sea temperature and manageable conditions make fall a good time for Krabi’s beaches, as long as you watch out for rain and the occasional rough surf.
Wind and Cloud Cover Patterns
In fall, Krabi gets steady breezes and a lot of cloud cover, thanks to the lingering monsoon. These factors shape how comfortable it feels outside, how far you can see at sea, and how much sunshine you actually get.
Average Wind Speed
Winds blow lightly to moderately in Krabi during fall. You’ll usually feel 2–3 m/s (4–7 mph), with gusts picking up near the shore and out on the water.
These breezes won’t knock you over, but they do affect boat rides and water sports.
September tends to bring the most unpredictable weather, with stronger gusts during heavy rain. By November, winds calm down as the wet season fades.
Late fall feels better for island-hopping and snorkeling.
Mornings generally stay calmer, while afternoons get breezier. If you pack quick-drying clothes, you’ll be glad when the wind and rain show up together.
Cloud Cover and Sky Conditions
Clouds stick around for most of fall, especially in September and October. Skies are usually overcast or mostly cloudy, so you rarely get hours of direct sunlight.
You’ll see short sunny breaks between showers, not long stretches of blue sky.
October often brings the thickest clouds and the most rain. The light gets softer, which is nice for sightseeing but not so great if you want to sunbathe.
By November, the skies start to open up a bit and you get more partly sunny days.
Sometimes, heavy rain will cut visibility way down. Then again, the shifting clouds can be dramatic, especially after storms.
You might catch some wild sunsets and fast-moving skies, which makes late fall surprisingly good for photography, even if it’s not super bright.
Travel Tips for Visiting Krabi in Fall
Rain showers fall often in autumn, but they’re usually brief. If you keep an eye on the weather and bring the right gear, you can still enjoy a lot of outdoor activities.
Packing Recommendations
Pack light, breathable clothes since it stays warm and humid. A light rain jacket or compact umbrella is a must, as afternoon showers pop up all the time.
Quick-dry shirts, shorts, and sandals come in handy when the weather flips suddenly.
Bring waterproof bags or dry pouches for your electronics and travel documents.
Non-slip shoes help a lot, since sidewalks and trails get slick after rain.
A small first-aid kit with mosquito repellent and some basic meds is smart, because bugs get more active in the wet season.
If you’re heading to the beach, toss in some reef-safe sunscreen—the UV index stays high even when it’s cloudy.
Best Activities for the Season
Even though fall is rainy season, you’ve got plenty to do. Island hopping tours usually run in the mornings when the sea is calmer, but check the weather before you book.
Nature lovers can hike to emerald pools, hot springs, and forest trails—everything looks greener after a rain.
Kayaking through mangroves is a nice pick, too. Light rain makes it peaceful and keeps the air cool.
Indoor activities fit the season as well. Thai cooking classes, massage treatments, and local markets let you dive into the culture without worrying about the weather.
Keep your plans loose so you can switch between outdoor and indoor fun, depending on how the day shapes up.
Accommodation and Booking Advice
Hotels and guesthouses usually lower their rates in the fall, since that’s the off-peak season. You might stumble across great deals at beachfront resorts or smaller, family-run places.
If you’re booking close to your travel dates, you’ll probably be fine because there aren’t as many crowds. Still, double-check the cancellation policies, just in case the weather acts up.
A lot of places throw in free shuttles or discounts on tours to bring in more guests this time of year. Honestly, it’s worth comparing these perks before you decide where to stay.
If you’re after some peace and quiet, try looking for spots a bit inland or away from the busiest beaches. You’ll still have easy access to attractions, but you can enjoy more space and save a bit, too.

