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August Weather in August, United States

Last updated: June 24, 2025

In August, the average temperature in August, United States reaches a pleasant 24°C (76°F). Minimum temperatures can drop to 13°C (55°F), while maximums can soar to a scorching 41°C (107°F). Fortunately, rainfall is minimal with 0 mm (0.0 in) recorded over 0 days, and the average humidity sits at a comfortable 54%.

August Temperature in August

In August in August, the average temperature is 24°C (76°F). Maximums can reach 41°C (107°F), and minimums can be as low as 13°C (55°F). Travelers should prepare for warm days and cooler evenings, making it ideal for exploring daytime activities while having a light jacket for the nights.

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

The chart illustrates August temperature patterns in August, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In August, August typically has an average temperature of 24°C (76°F), with highs reaching up to 41°C (107°F) and lows dropping to around 13°C (55°F).
JanFebMarAprMayJunJulAugSepOctNovDec505256626874767572655549
Data source: Temperature data for August 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 August

In August in August, the precipitation amount is 0 mm (0.0 in) during 0 days.

August Precipitation Trends in August

The chart displays monthly precipitation patterns in August, 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 August, August typically receives around 0 mm (0.0 inches) of precipitation spread over approximately 0 days.
JanFebMarAprMayJunJulAugSepOctNovDec110958944202002314795
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in August

In August in August humidity is 54%. With an average temperature of 24°C (76°F), this humidity feels like a warm embrace, making it comfortable for exploring the sights while also inviting you to take refreshing breaks in the shade.

August Average Humidity in August

This chart illustrates the average monthly humidity levels in August, 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 August is approximately 54%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in August

In August in August, the maximum UV index reaches 10, which corresponds to a very high Exposure Category. With a time to burn of just 15 minutes, it's crucial to take precautions. For more detailed information, you can check the Hourly UV Index in August.

Maximum UV Index Levels in August for August

The chart shows the monthly maximum UV Index (UVI) for August 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 August typically reaches 10, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3588101111109643
Data source: August 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 August Compares to Other Months

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

This table compares monthly weather conditions in August, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)110 mm (4.3 inches)82%moderate
February Weather11°C (52°F)95 mm (3.7 inches)84%moderate
March Weather13°C (56°F)89 mm (3.5 inches)82%very high
April Weather17°C (62°F)44 mm (1.7 inches)78%very high
May Weather20°C (68°F)20 mm (0.8 inches)71%very high
June Weather24°C (75°F)2 mm (0.1 inches)64%extreme
July Weather24°C (76°F)0 mm (0.0 inches)58%extreme
August Weather24°C (76°F)0 mm (0.0 inches)54%very high
September Weather22°C (72°F)2 mm (0.1 inches)55%very high
October Weather18°C (65°F)30 mm (1.2 inches)62%high
November Weather13°C (55°F)47 mm (1.8 inches)78%moderate
December Weather9°C (49°F)95 mm (3.7 inches)80%moderate

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