October Weather in Geyserville, United States

Last updated: June 24, 2025

In October, the average temperature in Geyserville, United States is a pleasant 17°C (62°F). Expect a wide range, with minimum temperatures dipping to 2°C (36°F) and soaring up to a maximum of 37°C (98°F). Be prepared for some rain, as the area receives about 50 mm (2.0 in) of precipitation over approximately 3 days, accompanied by an average humidity of 72%.

October Temperature in Geyserville

In October in Geyserville, the average temperature is 17°C (62°F). Maximums can reach 37°C (98°F), while minimums can dip to as low as 2°C (36°F). Be prepared for both warm and chilly moments during your travels!

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

The chart illustrates October temperature patterns in Geyserville, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Geyserville, October typically has an average temperature of 17°C (62°F), with highs reaching up to 37°C (98°F) and lows dropping to around 2°C (36°F).
JanFebMarAprMayJunJulAugSepOctNovDec474950566169737369625247
Data source: Temperature data for Geyserville 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 Geyserville

In Geyserville in October, the precipitation amount is 50 mm (2.0 in) over the course of 3 days.

October Precipitation Trends in Geyserville

The chart displays monthly precipitation patterns in Geyserville, 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 Geyserville, October typically receives around 50 mm (2.0 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec161176117553720025071108
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Geyserville

In Geyserville in October humidity is 72%. With an average temperature of 17°C (62°F), this humidity feels like a warm embrace, making it perfect for leisurely strolls but potentially heavy on the skin, prompting travelers to seek shade during midday excursions.

October Average Humidity in Geyserville

This chart illustrates the average monthly humidity levels in Geyserville, 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 Geyserville is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec86%84%83%80%80%76%70%66%68%72%84%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Geyserville

In Geyserville in October, the maximum UV index is 7, which corresponds to the high Exposure Category. This means that the time to burn is approximately 25 minutes. For more detailed information, you can check the Hourly UV Index in Geyserville.

Maximum UV Index Levels in Geyserville for October

The chart shows the monthly maximum UV Index (UVI) for Geyserville 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 Geyserville typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3578111111109743
Data source: Geyserville 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 Geyserville Compares to Other Months

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

This table compares monthly weather conditions in Geyserville, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather9°C (48°F)161 mm (6.3 inches)86%moderate
February Weather9°C (49°F)176 mm (6.9 inches)84%moderate
March Weather10°C (51°F)117 mm (4.6 inches)83%high
April Weather13°C (56°F)55 mm (2.2 inches)80%very high
May Weather16°C (61°F)37 mm (1.5 inches)80%extreme
June Weather21°C (69°F)2 mm (0.1 inches)76%extreme
July Weather23°C (73°F)0 mm (0.0 inches)70%extreme
August Weather23°C (73°F)0 mm (0.0 inches)66%very high
September Weather21°C (69°F)2 mm (0.1 inches)68%very high
October Weather17°C (62°F)50 mm (2.0 inches)72%high
November Weather11°C (53°F)71 mm (2.8 inches)84%moderate
December Weather8°C (47°F)108 mm (4.3 inches)84%moderate

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