Summer in Vladivostok feels like a mix of gentle warmth, sticky air, and sudden rain. You’ll usually see average daytime temperatures from about 18°C to 24°C (65°F to 75°F), so it’s comfortable—never sweltering.
Nights cool down noticeably, and you’ll sense the difference once the sun sets.
Even though temperatures stay moderate, the humidity can get pretty intense. July and August feel especially muggy, and rain showers pop up often.
Sometimes the weather feels perfect for a walk or picnic, but honestly, you’ll want to keep an umbrella handy because it changes fast.
This combination of warmth, rain, and cloudy spells gives Vladivostok its unique summer vibe. If you get to know these patterns, you’ll plan better—whether you’re strolling the waterfront, checking out markets, or hiking along the coast.
Overview of Vladivostok’s Summer Climate
Vladivostok’s summer brings mild to warm days, high humidity, and frequent rain. The city’s spot by the sea and continental climate create weather that’s great for being outdoors, but you’ll also get plenty of clouds and sudden showers.
Geographical Influences on Weather
Vladivostok sits right on Russia’s southeastern tip, next to the Sea of Japan. Because of this, you’ll see both maritime and continental weather patterns.
The sea keeps things from getting too hot, but sometimes warm, humid air from inland drifts in.
Hills around the city shift temperatures a bit. Higher spots feel cooler, while lower, coastal areas get warmer and stickier.
Winds off the Pacific bring in moisture, which triggers all that summer rain.
Since Vladivostok shares a latitude with places like northern Italy or southern France, you’ll get long evenings with plenty of daylight. June and July especially stretch out, though clouds often block the sun.
Köppen Climate Classification
Vladivostok falls under the humid continental climate in the Köppen system, labeled Dwb. So, you get warm, rainy summers and cold, dry winters.
In summer, this means temperatures usually run between 17°C and 23°C (63°F–73°F). Sometimes, heatwaves push things above 30°C (86°F), but that’s rare.
Nights cool off, dropping to around 15°C (59°F). It’s a relief after a humid day.
Rain mostly comes in summer, with August topping out at over 110 mm (4.3 in) of precipitation. You’ll deal with frequent showers and storms, but they don’t usually last the whole day.
The East Asian monsoon drives this pattern, sending wet air up to Vladivostok.
Seasonal Weather Patterns
Between June and August, Vladivostok shifts from gentle early summer to its warmest, wettest stretch.
June stays on the drier side, with highs near 18°C (64°F). By July, you’ll see temps around 21°C (70°F), and the air gets heavier.
August feels the warmest, and it rains the most. Highs hit 22°C (72°F), and it can pour on nearly half the days.
Still, June offers up to 15 hours of daylight, so you can fit in plenty of sightseeing or outdoor fun between showers.
The sea changes things too. Surface water warms up to nearly 20°C (68°F) in August, so you might even swim.
But don’t expect endless sun—fog and clouds are regular guests, so you’ll see all kinds of conditions.
Average Summer Temperatures
Vladivostok’s summer means mild to warm days, with highs usually in the upper 60s to low 70s °F (about 20–23°C). It rains a lot, but the temperatures stay pleasant—nothing like the harsh winter.
Monthly and daily temperature swings shape how you feel the season.
Monthly Temperature Ranges
From June through August, things gradually warm up before cooling off again in early fall.
- June: Highs reach 16–18°C (61–64°F), and nights still dip into single digits °C.
- July: Usually the warmest month, with averages around 21°C (70°F). Sometimes, it gets hotter, but big spikes are rare.
- August: Peaks just above July, at 22–23°C (72–73°F), before cooling down at the end.
You won’t get many wild heat waves. Rain in August keeps things humid but stops it from getting too hot.
Daytime and Nighttime Variations
During the day, summer temps hover in the 19–23°C (66–73°F) range. July and August afternoons are especially nice for getting outside.
At night, it drops to 12–17°C (54–63°F). The cool evenings help you sleep well, and you probably won’t need air conditioning.
The sea smooths out any big swings, so you don’t see sharp jumps or drops. That coastal effect keeps Vladivostok’s summer more stable than Siberian cities inland.
Comparisons to Other Seasons
Compared to winter, summer in Vladivostok feels downright gentle. Winter lows average -12°C (10°F), with biting wind and snow, but summer brings temps over 30°C (54°F) warmer.
Spring is short and cool, with May highs only at 13°C (55°F). Autumn cools off fast after September, with October highs around 12°C (54°F).
June through August are the most comfortable months. You get long days, moderate warmth, and fewer weather headaches than the rest of the year.
Humidity and Comfort Levels
Vladivostok’s summer pairs warm temps with high humidity. The air feels heavy, especially in July and August when it rains the most.
This all affects how comfortable you feel and how you plan your day.
Average Relative Humidity in Summer
Humidity jumps in summer. July and August usually see relative humidity between 75% and 85%, so it feels damp even when it’s not hot.
Blame the East Asian monsoon for bringing in all that moist Pacific air. August gets the most rain, and the combo of wet weather and humidity keeps everything soggy.
Mornings and evenings often feel stickier than afternoons. Even without rain, the coast traps moisture.
If you hate muggy weather, Vladivostok’s summer might feel a bit much compared to drier inland places.
Effects on Outdoor Activities
High humidity changes how you experience the outdoors. Walking around or hiking can tire you out faster, since sweat doesn’t evaporate well and your body can’t cool off as easily.
If you’re headed to the beach or the coast, the damp air can make warm days feel even hotter. Bring water and wear light, breathable clothes to stay comfortable.
Humidity also bumps up the chance of fog, especially in the mornings. Fog can cut visibility and mess with your travel plans.
If you’re organizing outdoor events, leave room for weather changes and maybe have a backup plan indoors if heavy rain is coming.
Summer Precipitation Patterns
Vladivostok gets the most rain in summer, as warm, humid Pacific air drives frequent showers. The season stands out for both the total rainfall and the number of rainy days.
Monthly Rainfall Totals
Rain jumps up in summer. July and August mark the wettest stretch, with average rainfall between 130 mm and 160 mm.
June is a bit drier but still gets 80–100 mm.
The East Asian monsoon brings steady showers and sometimes heavy downpours that can last for hours.
Unlike winter’s light snow, summer rain is heavier and arrives in bursts.
| Month | Average Rainfall (mm) |
|---|---|
| June | 80–100 mm |
| July | 120–140 mm |
| August | 150–160 mm |
August usually takes the title for wettest month. If you’re planning to be outside, expect wet weather and stay ready for sudden changes.
Frequency of Rainy Days
Summer isn’t just wetter—it’s rainier more often. July and August each have 14–16 days with measurable rain. June’s a bit lower, at 10–12 wet days.
Rain tends to come in bursts. You might wake up to sunshine and get caught in a heavy afternoon shower.
This pattern is typical for humid summer afternoons, when clouds build up fast.
With so many rainy days, you’ll want to keep your schedule flexible. Light rain gear makes sense, since showers can pop up and fade quickly.
Wind and Cloud Cover During Summer
Vladivostok’s summer brings steady breezes and lots of clouds. Winds off the sea keep things from heating up too much, while the sky often flips between gray and partly sunny.
Typical Wind Speeds and Directions
Summer winds usually average 7–12 mph, but stronger gusts hit during storms.
The Sea of Japan sends winds mostly from the southeast and south, loaded with moisture.
These breezes help cool things off, making summer nicer than farther inland. On muggy days, though, the same winds bring in low clouds and mist.
In July and August, tropical systems out in the Pacific sometimes shake up wind patterns. Full typhoons rarely hit, but their outer bands can bring gusty, shifting winds for a bit.
| Month | Avg. Wind Speed | Common Direction |
|---|---|---|
| June | 8 mph | SE–S |
| July | 9 mph | SE–S |
| August | 10–12 mph | S–SW |
Cloud Cover Trends
Clouds are a big part of Vladivostok’s summer scene. From late June through August, skies are overcast or mostly cloudy 40–55% of the time.
The East Asian monsoon brings in rain showers and humid air, so you get a lot of gray days.
July is usually the cloudiest, with mornings starting out gray before some sun breaks through later.
By late August, things start to clear, and the number of cloudy days drops closer to 40%.
Expect short, thick fog along the coast, especially in the mornings. It usually burns off by midday, but sometimes it lingers.
This mix of clouds, fog, and brief sun gives Vladivostok a cool, maritime summer feel—different from other Russian cities at the same latitude.
Additional Summer Weather Insights
Vladivostok’s summer brings long days, sea breezes, and lots of rain. You’ll notice shifts in daylight, changing sea temps, and weather patterns that might mess with your plans.
Daylight Hours and Sunshine Duration
During summer, Vladivostok gets long daylight hours. The sun comes up early and sets late.
In June, you’ll see over 16 hours of daylight. By August, it drops to around 14 hours.
Still, don’t expect endless sun. July is the cloudiest month, with only about 4 hours of direct sunlight per day.
Early summer is brighter, with clearer skies and more sun.
If you want to make the most of the daylight, June gives you the best shot at long, sunny days. Later in summer, the days are still long, but clouds stick around more often.
Sea Surface Temperatures
The Sea of Japan really shapes Vladivostok’s summer weather. In early summer, water temperatures start out pretty cool, hovering around 12–14°C (54–57°F) in June.
By late August, the sea usually warms up to about 20–21°C (68–70°F). That’s when swimming finally feels pleasant.
Most locals wait until August to hit the beach since the water’s actually inviting by then. Earlier in the season, honestly, the sea feels too cold for most people.
Thinking about water activities? You’ll want to pack smart. A light wetsuit might come in handy in June or July, but in August, you probably won’t need anything extra.
Weather-Related Travel Tips
Rain really pours in July and August. You’ll probably notice frequent showers and sometimes a heavy downpour or two.
August usually gets hit with the most rain, often more than 110 mm. Sometimes, these rainy spells stick around for days. So, it’s a good idea to pack waterproof clothing and have a backup plan for indoor activities.
Humidity ramps up in midsummer, and honestly, it can make the air feel hotter than it actually is. Light and breathable clothes will help you stay a bit more comfortable.
Sometimes, strong winds blow in from the sea, especially when storms roll through. If you’re staying near the coast, keep an eye on your stuff and stay cautious.
With a bit of preparation, you can still get out there and enjoy the city’s outdoor spots, even if the weather’s acting up.