August Weather in Casa Grande, United States

Last updated: June 24, 2025

In August, the average temperature in Casa Grande, United States hovers around a warm 34°C (94°F). Expect a refreshing low of 23°C (73°F), while the heat can peak at a sizzling 46°C (116°F). With an average humidity of 48%, stay hydrated as you enjoy the summer vibe. Rainfall is minimal, with an average precipitation of just 36 mm (1.4 in) spread over 5 days.

August Temperature in Casa Grande

In August in Casa Grande, the average temperature is 34°C (94°F). The maximum can reach 46°C (116°F), while the minimum can drop as low as 23°C (73°F). Be prepared for the heat if you plan to travel during this time.

August Weather in Casa Grande: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Casa Grande, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Casa Grande, August typically has an average temperature of 34°C (94°F), with highs reaching up to 46°C (116°F) and lows dropping to around 23°C (73°F).
JanFebMarAprMayJunJulAugSepOctNovDec545765748191949388766555
Data source: Temperature data for Casa Grande 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 Casa Grande

In Casa Grande in August, the precipitation amount is 36 mm (1.4 in) over the course of 5 days.

August Precipitation Trends in Casa Grande

The chart displays monthly precipitation patterns in Casa Grande, 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 Casa Grande, August typically receives around 36 mm (1.4 inches) of precipitation spread over approximately 5 days.
JanFebMarAprMayJunJulAugSepOctNovDec202919225383621151324
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Casa Grande

In Casa Grande in August, humidity is 48%. With an average temperature of 34°C (94°F), this humidity feels like a warm embrace, making travel slightly uncomfortable but still manageable, as long as you stay hydrated and take breaks in the shade.

August Average Humidity in Casa Grande

This chart illustrates the average monthly humidity levels in Casa Grande, 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 Casa Grande 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 Casa Grande

In Casa Grande 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 Casa Grande.

Maximum UV Index Levels in Casa Grande for August

The chart shows the monthly maximum UV Index (UVI) for Casa Grande 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 Casa Grande typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112111110854
Data source: Casa Grande 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 Casa Grande Compares to Other Months

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

This table compares monthly weather conditions in Casa Grande, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather12°C (55°F)20 mm (0.8 inches)76%moderate
February Weather14°C (58°F)29 mm (1.1 inches)79%high
March Weather18°C (65°F)19 mm (0.7 inches)67%very high
April Weather24°C (75°F)1 mm (0.1 inches)55%extreme
May Weather27°C (81°F)1 mm (0.1 inches)40%extreme
June Weather33°C (92°F)5 mm (0.2 inches)33%extreme
July Weather34°C (94°F)38 mm (1.5 inches)34%extreme
August Weather34°C (94°F)36 mm (1.4 inches)48%extreme
September Weather31°C (88°F)21 mm (0.8 inches)64%very high
October Weather24°C (76°F)15 mm (0.6 inches)67%very high
November Weather19°C (66°F)13 mm (0.5 inches)77%moderate
December Weather13°C (55°F)24 mm (0.9 inches)82%moderate

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