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August Weather in Green Valley, United States

Last updated: June 24, 2025

In Green Valley, United States, the average temperature in August is a warm 28°C (82°F). Expect minimums of 18°C (64°F) and highs reaching up to 40°C (105°F). With 62 mm (2.4 in) of precipitation spread over approximately 11 days, the average humidity hovers around 60%, creating a balanced climate for outdoor activities.

August Temperature in Green Valley

In August in Green Valley, the average temperature is 28°C (82°F). Maximum temperatures can reach 40°C (105°F), while minimum temperatures can drop as low as 18°C (64°F). Be sure to pack light clothing for the heat, but also bring a light jacket for cooler evenings.

August Weather in Green Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Green Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Green Valley, August typically has an average temperature of 28°C (82°F), with highs reaching up to 40°C (105°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec515259687484838279696151
Data source: Temperature data for Green Valley 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 Green Valley

In Green Valley in August, the precipitation amount is 62 mm (2.4 in) spread over 11 days.

August Precipitation Trends in Green Valley

The chart displays monthly precipitation patterns in Green Valley, 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 Green Valley, August typically receives around 62 mm (2.4 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec223116449746237111522
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Green Valley

In Green Valley in August, humidity is 60%. With an average temperature of 28°C (82°F), this humidity feels like a warm embrace that makes exploring the city a sweaty endeavor, where every step requires a refreshing drink and a pause in the shade.

August Average Humidity in Green Valley

This chart illustrates the average monthly humidity levels in Green Valley, 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 Green Valley is approximately 60%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec74%71%60%43%32%28%38%60%72%66%74%81%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Green Valley

In Green Valley in August, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Green Valley.

Maximum UV Index Levels in Green Valley for August

The chart shows the monthly maximum UV Index (UVI) for Green Valley 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 Green Valley typically reaches 12, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec5710121213121211965
Data source: Green Valley 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 Green Valley Compares to Other Months

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

This table compares monthly weather conditions in Green Valley, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)22 mm (0.9 inches)74%moderate
February Weather11°C (53°F)31 mm (1.2 inches)71%high
March Weather15°C (59°F)16 mm (0.6 inches)60%very high
April Weather20°C (68°F)4 mm (0.2 inches)43%extreme
May Weather23°C (74°F)4 mm (0.1 inches)32%extreme
June Weather29°C (84°F)9 mm (0.3 inches)28%extreme
July Weather28°C (83°F)74 mm (2.9 inches)38%extreme
August Weather28°C (82°F)62 mm (2.4 inches)60%extreme
September Weather26°C (79°F)37 mm (1.5 inches)72%extreme
October Weather21°C (70°F)11 mm (0.4 inches)66%very high
November Weather16°C (61°F)15 mm (0.6 inches)74%high
December Weather11°C (52°F)22 mm (0.9 inches)81%moderate

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