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August Weather in Sunnyside, United States

Last updated: June 24, 2025

In August, the average temperature in Sunnyside, United States hovers around 27°C (82°F). With a minimum of 19°C (67°F) and a maximum soaring to 41°C (106°F), the weather can vary significantly. Expect 132 mm (5.2 in) of precipitation spread over approximately 22 days, contributing to an average humidity of 82%. Prepare for both warmth and moisture in this tropical destination!

August Temperature in Sunnyside

In August in Sunnyside, the average temperature is 27°C (82°F). Maximum temperatures can reach 41°C (106°F), while minimum temperatures can drop to as low as 19°C (67°F). Travelers should be prepared for a warm climate with the potential for extreme heat during the day.

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

The chart illustrates August temperature patterns in Sunnyside, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Sunnyside, August typically has an average temperature of 27°C (82°F), with highs reaching up to 41°C (106°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec535963687579828179736055
Data source: Temperature data for Sunnyside 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 Sunnyside

In Sunnyside in August, the precipitation amount is 132 mm (5.2 in) spread over 22 days.

August Precipitation Trends in Sunnyside

The chart displays monthly precipitation patterns in Sunnyside, 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 Sunnyside, August typically receives around 132 mm (5.2 inches) of precipitation spread over approximately 22 days.
JanFebMarAprMayJunJulAugSepOctNovDec58765874731271451321166159121
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Sunnyside

In Sunnyside in August humidity is 82%. With an average temperature of 27°C (82°F), this humidity feels like stepping into a warm, thick blanket, making outdoor activities quite uncomfortable and travel feel a bit sluggish.

August Average Humidity in Sunnyside

This chart illustrates the average monthly humidity levels in Sunnyside, 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 Sunnyside is approximately 82%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%79%78%73%72%74%82%82%83%79%82%85%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Sunnyside

In Sunnyside 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 Sunnyside.

Maximum UV Index Levels in Sunnyside for August

The chart shows the monthly maximum UV Index (UVI) for Sunnyside 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 Sunnyside typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec579101111111110864
Data source: Sunnyside 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 Sunnyside Compares to Other Months

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

This table compares monthly weather conditions in Sunnyside, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (53°F)58 mm (2.3 inches)84%moderate
February Weather15°C (59°F)76 mm (3.0 inches)79%high
March Weather17°C (63°F)58 mm (2.3 inches)78%very high
April Weather20°C (69°F)74 mm (2.9 inches)72%very high
May Weather24°C (76°F)73 mm (2.9 inches)72%extreme
June Weather26°C (80°F)127 mm (5.0 inches)74%extreme
July Weather28°C (82°F)145 mm (5.7 inches)82%extreme
August Weather27°C (82°F)132 mm (5.2 inches)82%extreme
September Weather26°C (79°F)116 mm (4.6 inches)83%very high
October Weather23°C (73°F)61 mm (2.4 inches)79%very high
November Weather15°C (60°F)59 mm (2.3 inches)82%high
December Weather13°C (56°F)120 mm (4.7 inches)85%moderate

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