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August Weather in Thornton, United States

Last updated: June 24, 2025

In August, the average temperature in Thornton, United States is a warm 30°C (87°F), with daily variations ranging from a comfortable 20°C (69°F) to a sizzling 41°C (105°F). Expect some moisture in the air, as precipitation totals around 84 mm (3.3 in) spread over 7 days, and the average humidity sits at 67%. Prepare for a mix of warmth and potential rain as you enjoy your stay!

August Temperature in Thornton

In August in Thornton, the average temperature is 30°C (87°F). Maximums can reach 41°C (105°F), and minimums can be as low as 20°C (69°F). This climate makes Thornton an ideal destination for travelers seeking warm and pleasant weather.

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

The chart illustrates August temperature patterns in Thornton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Thornton, August typically has an average temperature of 30°C (87°F), with highs reaching up to 41°C (105°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec505262677582868681705954
Data source: Temperature data for Thornton 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 Thornton

In Thornton in August, the total precipitation amount is 84 mm (3.3 in) distributed over a span of 7 days.

August Precipitation Trends in Thornton

The chart displays monthly precipitation patterns in Thornton, 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 Thornton, August typically receives around 84 mm (3.3 inches) of precipitation spread over approximately 7 days.
JanFebMarAprMayJunJulAugSepOctNovDec7810297116168755984981096791
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Thornton

In Thornton in August, humidity is 67%. With an average temperature of 30°C (87°F), this humidity feels like a thick blanket wrapping around you, making outdoor activities feel steamy and uncomfortable for traveling.

August Average Humidity in Thornton

This chart illustrates the average monthly humidity levels in Thornton, 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 Thornton is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%80%78%79%81%77%71%67%69%73%82%87%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Thornton

In Thornton 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 Thornton.

Maximum UV Index Levels in Thornton for August

The chart shows the monthly maximum UV Index (UVI) for Thornton 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 Thornton typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec478111111121110864
Data source: Thornton 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 Thornton Compares to Other Months

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

This table compares monthly weather conditions in Thornton, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (50°F)78 mm (3.1 inches)79%moderate
February Weather11°C (52°F)102 mm (4.0 inches)80%high
March Weather17°C (63°F)97 mm (3.8 inches)78%very high
April Weather19°C (67°F)116 mm (4.6 inches)79%extreme
May Weather24°C (76°F)168 mm (6.6 inches)81%extreme
June Weather28°C (82°F)75 mm (3.0 inches)77%extreme
July Weather30°C (86°F)59 mm (2.3 inches)71%extreme
August Weather30°C (87°F)84 mm (3.3 inches)67%extreme
September Weather27°C (81°F)98 mm (3.9 inches)69%very high
October Weather21°C (71°F)109 mm (4.3 inches)73%very high
November Weather15°C (59°F)67 mm (2.6 inches)82%high
December Weather12°C (54°F)91 mm (3.6 inches)87%moderate

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