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August Weather in Brilliant, United States

Last updated: June 24, 2025

In Brilliant, United States, the average temperature in August is a pleasant 26°C (80°F), with a minimum of 16°C (61°F) and a maximum reaching up to 36°C (98°F). Expect some rain, as the area experiences 126 mm (5.0 in) of precipitation across approximately 13 days. Additionally, the average humidity sits at a comfortable 77%, making it a typically warm and moist time of year.

August Temperature in Brilliant

In August in Brilliant, the average temperature is 26°C (80°F). Maximums can reach 36°C (98°F), while minimums can drop as low as 16°C (61°F). It's a great time to visit for those who enjoy warm weather and outdoor activities.

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

The chart illustrates August temperature patterns in Brilliant, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Brilliant, August typically has an average temperature of 26°C (80°F), with highs reaching up to 36°C (98°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec455057627277808076665248
Data source: Temperature data for Brilliant 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 Brilliant

In Brilliant in August, the precipitation amount is 126 mm (5.0 in) over the course of 13 days.

August Precipitation Trends in Brilliant

The chart displays monthly precipitation patterns in Brilliant, 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 Brilliant, August typically receives around 126 mm (5.0 inches) of precipitation spread over approximately 13 days.
JanFebMarAprMayJunJulAugSepOctNovDec1221961751711221441121269811173155
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Brilliant

In Brilliant in August, humidity is 77%. With an average temperature of 26°C (80°F), this humidity feels like walking through a warm, damp blanket, making traveling somewhat uncomfortable and necessitating frequent breaks to stay hydrated and cool.

August Average Humidity in Brilliant

This chart illustrates the average monthly humidity levels in Brilliant, 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 Brilliant is approximately 77%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%84%82%82%82%79%82%77%74%73%85%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Brilliant

In Brilliant 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 Brilliant.

Maximum UV Index Levels in Brilliant for August

The chart shows the monthly maximum UV Index (UVI) for Brilliant 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 Brilliant typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec47810111111119754
Data source: Brilliant 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 Brilliant Compares to Other Months

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

This table compares monthly weather conditions in Brilliant, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (45°F)121 mm (4.8 inches)85%moderate
February Weather10°C (50°F)195 mm (7.7 inches)84%high
March Weather14°C (57°F)175 mm (6.9 inches)82%very high
April Weather17°C (62°F)171 mm (6.7 inches)82%very high
May Weather22°C (72°F)122 mm (4.8 inches)82%extreme
June Weather25°C (77°F)144 mm (5.7 inches)79%extreme
July Weather27°C (80°F)112 mm (4.4 inches)82%extreme
August Weather26°C (80°F)126 mm (5.0 inches)77%extreme
September Weather24°C (76°F)98 mm (3.9 inches)74%very high
October Weather19°C (66°F)111 mm (4.4 inches)73%high
November Weather11°C (52°F)73 mm (2.9 inches)85%moderate
December Weather9°C (49°F)155 mm (6.1 inches)88%moderate

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