August Weather in Folsom, United States

Last updated: June 24, 2025

In Folsom, United States, the average temperature in August hovers around 27°C (81°F). You'll experience a comfortable minimum of 19°C (67°F), while highs can reach up to 36°C (98°F). Prepare for 235 mm (9.3 in) of precipitation spread over 20 days, and keep in mind the average humidity is a sticky 79%.

August Temperature in Folsom

In August, in Folsom, the average temperature is 27°C (81°F). Maximums can reach 36°C (98°F), while minimums can be as low as 19°C (67°F). Be prepared for warm weather and pack accordingly for your travels!

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

The chart illustrates August temperature patterns in Folsom, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Folsom, August typically has an average temperature of 27°C (81°F), with highs reaching up to 36°C (98°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec525763677579818178715855
Data source: Temperature data for Folsom 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 Folsom

In Folsom in August, the total precipitation amount reaches 235 mm (9.3 in) over the course of 20 days.

August Precipitation Trends in Folsom

The chart displays monthly precipitation patterns in Folsom, 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 Folsom, August typically receives around 235 mm (9.3 inches) of precipitation spread over approximately 20 days.
JanFebMarAprMayJunJulAugSepOctNovDec1221259315116217618123514011881135
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
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August Humidity in Folsom

In Folsom in August, humidity is 79%. With an average temperature of 27°C (81°F), this humidity feels like a warm and sticky embrace, making travel both challenging and invigorating as the air clings to your skin, urging you to seek shade or a refreshing drink.

August Average Humidity in Folsom

This chart illustrates the average monthly humidity levels in Folsom, 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 Folsom is approximately 79%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec83%83%80%81%81%78%79%79%79%77%85%88%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Folsom

In Folsom 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 Folsom.

Maximum UV Index Levels in Folsom for August

The chart shows the monthly maximum UV Index (UVI) for Folsom 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 Folsom typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112111110864
Data source: Folsom 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 Folsom Compares to Other Months

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

This table compares monthly weather conditions in Folsom, showing how August’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)122 mm (4.8 inches)83%moderate
February Weather14°C (58°F)125 mm (4.9 inches)83%very high
March Weather17°C (63°F)93 mm (3.7 inches)80%very high
April Weather19°C (67°F)151 mm (5.9 inches)81%extreme
May Weather24°C (75°F)162 mm (6.4 inches)81%extreme
June Weather26°C (80°F)176 mm (6.9 inches)78%extreme
July Weather27°C (81°F)181 mm (7.1 inches)79%extreme
August Weather27°C (81°F)235 mm (9.3 inches)79%extreme
September Weather26°C (79°F)140 mm (5.5 inches)79%very high
October Weather22°C (71°F)118 mm (4.7 inches)77%very high
November Weather15°C (59°F)81 mm (3.2 inches)85%high
December Weather13°C (55°F)135 mm (5.3 inches)88%moderate

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