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August Weather in Surprise, United States

Last updated: June 24, 2025

In Surprise, United States, the average temperature in August typically soars to a sizzling 34°C (93°F). Expect a range that can dip to a cool 22°C (72°F) and peak at a scorching 45°C (114°F). During this month, you might also witness 29 mm (1.2 in) of precipitation over about 5 days, all while enjoying an average humidity of 48%.

August Temperature in Surprise

In August in Surprise, average temperature is 34°C (93°F). Maximum can reach 45°C (114°F) and minimum can be as low as 22°C (72°F). Travelers should be prepared for hot weather and stay hydrated while exploring the area.

August Weather in Surprise: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Surprise, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Surprise, August typically has an average temperature of 34°C (93°F), with highs reaching up to 45°C (114°F) and lows dropping to around 22°C (72°F).
JanFebMarAprMayJunJulAugSepOctNovDec545563738090939287746454
Data source: Temperature data for Surprise generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

August Precipitation in Surprise

In Surprise in August, the precipitation amount is 29 mm (1.2 in) over a period of 5 days.

August Precipitation Trends in Surprise

The chart displays monthly precipitation patterns in Surprise, with values for each month alongside August’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August’s conditions compare to those of other months. In Surprise, August typically receives around 29 mm (1.2 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec293935123412921222623
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Surprise

In Surprise in August, humidity is 48%. With an average temperature of 34°C (93°F), this humidity feels like a warm blanket wrapped around you, making traveling feel a bit heavy yet surprisingly refreshing, as you experience a sultry embrace that urges you to seek shade and sip on cold drinks.

August Average Humidity in Surprise

This chart illustrates the average monthly humidity levels in Surprise, with August’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In August, average humidity in Surprise is approximately 48%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%79%67%55%40%33%34%48%64%67%77%82%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Surprise

In Surprise in August, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Surprise.

Maximum UV Index Levels in Surprise for August

The chart shows the monthly maximum UV Index (UVI) for Surprise in August, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In August, the maximum UV index in Surprise typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469101112111110754
Data source: Surprise August UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

How August Weather in Surprise Compares to Other Months

Weather in Surprise varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Surprise, focusing on differences in temperature, rainfall, humidity, and UV levels.

This table compares monthly weather conditions in Surprise, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (54°F)29 mm (1.1 inches)76%moderate
February Weather13°C (56°F)39 mm (1.5 inches)79%high
March Weather17°C (63°F)35 mm (1.4 inches)67%very high
April Weather23°C (73°F)1 mm (0.1 inches)55%very high
May Weather26°C (80°F)2 mm (0.1 inches)40%extreme
June Weather32°C (91°F)3 mm (0.1 inches)33%extreme
July Weather34°C (93°F)41 mm (1.6 inches)34%extreme
August Weather34°C (93°F)29 mm (1.2 inches)48%extreme
September Weather30°C (87°F)21 mm (0.8 inches)64%very high
October Weather23°C (74°F)22 mm (0.9 inches)67%high
November Weather18°C (65°F)26 mm (1.0 inches)77%moderate
December Weather12°C (54°F)23 mm (0.9 inches)82%moderate

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