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August Weather in Prescott, United States

Last updated: June 24, 2025

In August, the average temperature in Prescott, United States hovers around 21°C (70°F). However, you can expect a range, with minimums dipping to 10°C (50°F) and maximums soaring to 32°C (90°F). Be prepared for 122 mm (4.8 in) of precipitation spread over 11 days, and an average humidity of 81%.

August Temperature in Prescott

In August in Prescott, the average temperature is 21°C (70°F). Maximums can reach 32°C (90°F), while minimums can dip as low as 10°C (50°F). This makes it an ideal time for exploring and enjoying outdoor activities in Prescott.

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

The chart illustrates August temperature patterns in Prescott, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Prescott, August typically has an average temperature of 21°C (70°F), with highs reaching up to 32°C (90°F) and lows dropping to around 10°C (50°F).
JanFebMarAprMayJunJulAugSepOctNovDec171733435971747064483323
Data source: Temperature data for Prescott 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 Prescott

In Prescott in August, the total precipitation amount is 122 mm (4.8 in) over a span of 11 days.

August Precipitation Trends in Prescott

The chart displays monthly precipitation patterns in Prescott, 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 Prescott, August typically receives around 122 mm (4.8 inches) of precipitation spread over approximately 11 days.
JanFebMarAprMayJunJulAugSepOctNovDec32415987143115107122115993953
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Prescott

In Prescott in August, humidity is 81%. With an average temperature of 21°C (70°F), this humidity feels like a warm, sticky embrace, making outdoor activities slightly uncomfortable and necessitating frequent breaks in the shade or air conditioning for a refreshing escape.

August Average Humidity in Prescott

This chart illustrates the average monthly humidity levels in Prescott, 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 Prescott is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%85%84%78%80%81%81%81%84%88%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Prescott

In Prescott in August, the maximum UV index is 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For detailed information, you can check the Hourly UV Index in Prescott.

Maximum UV Index Levels in Prescott for August

The chart shows the monthly maximum UV Index (UVI) for Prescott 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 Prescott typically reaches 9, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec2457910997532
Data source: Prescott 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 Prescott Compares to Other Months

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

This table compares monthly weather conditions in Prescott, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather-9°C (17°F)32 mm (1.3 inches)87%low
February Weather-8°C (17°F)41 mm (1.6 inches)90%moderate
March Weather1°C (33°F)59 mm (2.3 inches)85%moderate
April Weather6°C (44°F)87 mm (3.4 inches)84%high
May Weather15°C (59°F)143 mm (5.6 inches)78%very high
June Weather21°C (71°F)115 mm (4.5 inches)80%very high
July Weather23°C (74°F)107 mm (4.2 inches)81%very high
August Weather21°C (70°F)122 mm (4.8 inches)81%very high
September Weather18°C (64°F)115 mm (4.5 inches)81%high
October Weather9°C (48°F)99 mm (3.9 inches)84%moderate
November Weather1°C (33°F)39 mm (1.5 inches)88%moderate
December Weather-5°C (24°F)53 mm (2.1 inches)84%low

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