Surprise, Arizona – Climate and Average Weather Year Round Guide

Located in the heart of Arizona, Surprise boasts a diverse climate that varies significantly throughout the year.

The hottest month is July, with temperatures often reaching 106°F, while December is the coldest, with lows averaging around 43°F.

This range makes Surprise an interesting place to experience both scorching summers and mild winters.

During the cool season, which spans from late November to late February, temperatures generally stay below 73°F.

In contrast, the warm season stretches from late April to mid-October, bringing higher temperatures and often, a significant amount of sunshine.

Rainfall in Surprise is relatively sparse but peaks in July, with an average of about 1.3 inches of rain over nearly 11.4 days.

This summer rainfall contributes to the region’s unique desert climate, making the overall weather pattern both challenging and fascinating for residents and visitors alike.

Average Temperature In Surprise, Arizona

In Surprise, Arizona, temperatures vary greatly throughout the year. The climate is characterized by hot summers and mild winters.

In January, the coldest month, temperatures range from a low of 42°F to a high of 68°F.

The winter months are generally cool and pleasant.

During July, the hottest month, temperatures can soar, with lows around 81°F and highs reaching up to 106°F.

Summer heats can be intense and dry.

Here’s a quick look at the average temperatures:

Month Low Temp (°F) High Temp (°F)
January 42°F 68°F
February 45°F 72°F
March 50°F 78°F
April 56°F 86°F
May 64°F 95°F
June 73°F 104°F
July 81°F 106°F
August 79°F 105°F
September 73°F 100°F
October 61°F 88°F
November 49°F 76°F
December 42°F 68°F

Spring months like March and April are warm with highs ranging from 78°F to 86°F, making it ideal for outdoor activities.

Fall temperatures in September and October start to cool down, with September highs near 100°F and October highs around 88°F.

Winter lows in December and January can dip down to 42°F, providing a mild and comfortable climate compared to the intense summer heat.

This range of temperatures showcases the desert climate of Surprise, with significant fluctuations between summer highs and winter lows.

Average Precipitation In Surprise, Arizona

Surprise, Arizona experiences a range of precipitation throughout the year, mainly in the form of rain. This area’s climate does not see much snowfall.

Average Rainfall In Surprise, Arizona

Surprise, Arizona sees most of its rainfall during the summer months. The wettest month is July, with rain occurring for about 11.4 days and totaling up to 1.3 inches. Annually, the city averages around 9 inches of rain.

It’s important for residents and visitors to be aware that rainfall is sparse, and the majority of precipitation happens in the form of short but intense thunderstorms during these hotter months.

April and May typically have the least rain, often seeing barely a trace.

Knowing when the rainy season peaks can be especially useful for outdoor planning and activities.

Average Snow In Surprise, Arizona

Snowfall in Surprise, Arizona, is practically nonexistent. The area averages 0 inches of snow annually.

This mild winter weather means that residents and visitors rarely have to deal with snow, sleet, or icy conditions.

This lack of snow contributes to the region’s appeal for those looking to avoid colder climates.

The absence of snow also means there’s little need for heavy winter gear or concerns about snow-related travel issues. For more information about snowy regions, check articles about snow and ice to compare climates.

Average Sun In Surprise, Arizona

Surprise, Arizona enjoys a significant amount of sunshine throughout the year. The area experiences many sunny days, contributing to its clear weather conditions and sweltering summers.

Average Daily Shortwave Solar Energy In Surprise, Arizona

Surprise, Arizona receives a high amount of shortwave solar energy daily. On average, the region sees about 6.5 to 7.5 kilowatt-hours per square meter per day.

This energy is a crucial factor in the daily weather and climate patterns.

The sun contributes to clear and sunny days, especially in the summer.

June, July, and August are particularly sunny, often leading to sweltering temperatures exceeding 100°F.

In winter, daytime temperatures remain mild and the area still enjoys plenty of sunshine.

The daily solar energy drops slightly but remains sufficient to keep the climate warm.

Surprise experiences an average of over 300 sunny days each year. This abundance of sunshine makes it an ideal location for solar energy use and outdoor activities.

Average Humidity In Surprise, Arizona

Surprise, Arizona experiences varying levels of humidity throughout the year. The mean annual relative humidity stands at 36%.

  • December is the most humid month, averaging 51% relative humidity.
  • June is the least humid month, with an average of 19% relative humidity.

The dew point gives a clearer picture of how humid the air feels:

  • July: The dew point averages higher due to summer monsoons.
  • December: The dew point is generally lower, indicating drier air.

Here’s a table summarizing monthly average humidity:

Month Average Humidity (%)
January 40.0
February 34.0
March 30.0
April 25.0
May 20.0
June 19.0
July 24.0
August 27.0
September 30.0
October 34.0
November 38.0
December 51.0

Low humidity levels, especially in summer, cause dry conditions. The dry air of June makes it the least humid time of the year in Surprise. For more detailed information, visit this page.

Average Wind In Surprise, Arizona

In Surprise, Arizona, wind patterns vary throughout the year. Wind speeds typically range from gentle breezes to moderate gusts.

Wind speeds in Surprise average around 12 mph. The windiest month tends to be April, with speeds often reaching 15 mph or more. These gusts can be common in early spring.

Wind direction varies, but it often comes from the west or southwest. This pattern is consistent with other regions in Arizona.

During the summer months, wind speeds decrease and become more gentle. This helps moderate the intense heat experienced during this time.

Wind data is based on real weather observations from various stations in the area.

These insights are crucial for weather forecasting and local planning. By knowing the wind trends, residents and visitors can prepare for different seasons.

Average Air Quality In Surprise, Arizona

The air quality in Surprise, Arizona, varies throughout the year but is generally considered to be moderate.

During certain times of the year, there can be higher levels of particulate matter, often due to dust storms and other weather-related events.

Surprise experiences levels of ozone and particulate matter that can sometimes reach unhealthy levels, especially for sensitive groups.

Month AQI Level Description
January Moderate Some days may affect sensitive groups.
April Moderate Higher levels not uncommon.
July Unhealthy for Sensitive Groups Due to increased particulate matter.
October Moderate Improved air quality with cooler temperatures.

Temperature and visibility play crucial roles in air quality.

Higher temperatures can lead to higher ozone levels, while visibility is often reduced during dust storms.

Pressure changes also affect air quality. Lower pressure can lead to higher pollution levels as the air becomes denser and retains more pollutants.

Summary Points:

  • Air quality is usually better in cooler months.
  • Dust storms can significantly reduce visibility.
  • Seasonal changes impact air quality metrics like ozone and particulate matter.

For more details on the air quality in Surprise, you can check the AccuWeather’s air quality index.

Topography Of Surprise, Arizona

Surprise, Arizona is located in the northwest part of the Phoenix metropolitan area.

The city sits in the Sonoran Desert, which influences its landscape and climate.

The elevation of Surprise varies slightly but generally sits around 1,175 feet above sea level.

This elevation contributes to its typical desert climate, characterized by hot summers and mild winters.

Surrounding the city are low mountain ranges and rocky hills.

These natural features are typical of regions within the Sonoran Desert.

The landscape is mostly flat with some gently rolling hills.

Water features are sparse due to the limited annual rainfall of around 9 inches.

The few streams and washes often remain dry for most of the year, only filling during rare heavy rain events.

Vegetation is primarily desert scrub with saguaro cacti, creosote bush, and other drought-resistant plants.

The sparse vegetation is well adapted to the region’s dry conditions.

The soil in the area is typically sandy and rocky, which influences the types of vegetation that can thrive.

This type of soil also impacts construction and agriculture practices in the region.

Extreme Weather Events That Occur In Surprise, Arizona

Surprise, Arizona, experiences a variety of extreme weather events. These events can have significant impacts on the community and environment.

Heatwaves are common, especially in the summer months.

Temperatures can soar above 100°F, sometimes reaching as high as 110°F. Prolonged exposure to such high temperatures can cause heat-related illnesses.

Dust storms, also known as haboobs, frequently occur.

These intense dust storms can reduce visibility to near zero and pose serious driving hazards. They often happen during the monsoon season.

Monsoon thunderstorms bring heavy rain, lightning, and strong winds.

These storms typically occur between June and September.

Flash flooding can happen quickly during these events, with rainfall amounts sometimes exceeding a few inches in a short period.

Hail is another weather phenomenon that occurs in Surprise.

Hailstones can vary in size but often accompany severe thunderstorms during the monsoon season. The hail can cause damage to vehicles and buildings.

Wildfires are also a critical concern.

Dry conditions and high temperatures create an environment where wildfires can easily start and spread. These fires can cause extensive damage to natural areas and threaten homes near the desert.

Best Time Of The Year To Visit Surprise, Arizona

Surprise, Arizona features a desert climate with hot summers and mild winters. Visitors can find the most comfortable weather in spring and fall, while summer can be very hot and winter offers cooler but pleasant days.

What Is Surprise, Arizona Like In Spring

Spring in Surprise, Arizona is a comfortable season with average temperatures ranging between 70°F and 85°F.

This season starts around March and lasts through May.

It is also a good time to enjoy outdoor activities like hiking and exploring the local parks.

Spring sees less rainfall, making it a favorable time for tourists looking to avoid the summer heat.

The pleasant weather makes it one of the best times to experience the area’s natural beauty.

What Is Surprise, Arizona Like In Summer

Summer in Surprise is hot and dry, with average high temperatures peaking at 106°F in July.

This season spans from June to September.

The heat can be intense, so outdoor activities are best done in the early morning or late evening.

Air conditioning is common and essential for indoor comfort.

Despite the high temperatures, summer nights can be cooler, with lows around 82°F.

Occasional thunderstorms may occur, resulting in brief but heavy showers.

What Is Surprise, Arizona Like In Fall

Fall in Surprise offers ideal weather conditions from October to November.

Temperatures gradually drop from the summer highs, with average highs between 70°F and 85°F.

This season is also known for its clearer skies and lower humidity.

It’s a great time for outdoor events and festivals.

The weather remains dry, and the landscape can appear more vibrant, making it an attractive season for visitors.

Autumn is also a great time to visit local markets and enjoy the regional flavors.

What Is Surprise, Arizona Like In Winter

Winters in Surprise are mild, making it comfortable for visitors looking to escape colder climates.

Average high temperatures are around 65°F in December. Nights can be cooler, with lows dropping to 43°F.

The season lasts from December to February and rarely sees rainfall. This period is perfect for hiking, golfing, and other outdoor activities without the extreme heat.

The mild winter weather also makes it a popular time for retirees and tourists to visit.

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