October Weather in Folsom, United States

Last updated: June 24, 2025

In Folsom, United States, the average temperature in October hovers around 22°C (71°F), making it a pleasant time to visit. However, be prepared for temperature fluctuations, with minimums dipping to 2°C (36°F) and maximums soaring to 36°C (97°F). Expect a fair amount of rain, as precipitation averages about 118 mm (4.7 in) over 10 days, coupled with an average humidity of 77%.

October Temperature in Folsom

In October in Folsom, the average temperature is 22°C (71°F). The maximum can reach 36°C (97°F), while the minimum can be as low as 2°C (36°F). Travelers should be prepared for a wide range of temperatures and pack accordingly for both warm and cool conditions.

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

The chart illustrates October 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, October typically has an average temperature of 22°C (71°F), with highs reaching up to 36°C (97°F) and lows dropping to around 2°C (36°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.

October Precipitation in Folsom

In Folsom in October, the precipitation amount is 118 mm (4.7 in) over a span of 10 days.

October Precipitation Trends in Folsom

The chart displays monthly precipitation patterns in Folsom, with values for each month alongside October’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October’s conditions compare to those of other months. In Folsom, October typically receives around 118 mm (4.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec1221259315116217618123514011881135
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Folsom

In Folsom in October, humidity is 77%. With an average temperature of 22°C (71°F), this humidity feels like a warm, enveloping blanket that can make walking around feel a bit stifling, requiring frequent breaks in shaded areas and plenty of hydration.

October Average Humidity in Folsom

This chart illustrates the average monthly humidity levels in Folsom, with October’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In October, average humidity in Folsom is approximately 77%, 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 October generated using information from the Copernicus Climate Change Service.

October UV Index in Folsom

In Folsom in October, the maximum UV index is 8, which corresponds to a very high Exposure Category. This means that the time to burn is only 15 minutes. For more detailed information, you can refer to the Hourly UV Index in Folsom.

Maximum UV Index Levels in Folsom for October

The chart shows the monthly maximum UV Index (UVI) for Folsom in October, 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 October, the maximum UV index in Folsom typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec589111112111110864
Data source: Folsom October 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 October 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 October’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 October’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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