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October Weather in Tamalpais Valley, United States

Last updated: June 24, 2025

In October, the average temperature in Tamalpais Valley, United States is a pleasant 16°C (62°F). Expect a minimum of 6°C (44°F) and a refreshing maximum of 31°C (88°F). During this month, precipitation averages 30 mm (1.2 in) over the course of 2 days, and humidity levels typically hover around 80%. Enjoy the balanced climate as you explore!

October Temperature in Tamalpais Valley

In October in Tamalpais Valley, the average temperature is 16°C (62°F). Maximums can reach 31°C (88°F), while minimums can drop as low as 6°C (44°F). This varied weather makes it ideal for exploring outdoor activities, so pack accordingly!

October Weather in Tamalpais Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Tamalpais Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Tamalpais Valley, October typically has an average temperature of 16°C (62°F), with highs reaching up to 31°C (88°F) and lows dropping to around 6°C (44°F).
JanFebMarAprMayJunJulAugSepOctNovDec515253575963636465625551
Data source: Temperature data for Tamalpais Valley 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 Tamalpais Valley

In Tamalpais Valley in October, the precipitation amount is 30 mm (1.2 in) over the course of 2 days.

October Precipitation Trends in Tamalpais Valley

The chart displays monthly precipitation patterns in Tamalpais Valley, 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 Tamalpais Valley, October typically receives around 30 mm (1.2 inches) of precipitation spread over approximately 2 days.
JanFebMarAprMayJunJulAugSepOctNovDec1111168035202212304898
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Tamalpais Valley

In Tamalpais Valley in October humidity is 80%. With an average temperature of 16°C (62°F), this humidity feels like a warm, muggy embrace, making travel slightly uncomfortable as the air hangs heavy, necessitating frequent hydration and light clothing to stay cool and refreshed.

October Average Humidity in Tamalpais Valley

This chart illustrates the average monthly humidity levels in Tamalpais Valley, 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 Tamalpais Valley is approximately 80%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%82%82%79%83%84%87%87%86%80%79%79%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Tamalpais Valley

In Tamalpais Valley in October, the maximum UV index is 6, which corresponds to a high Exposure Category. The time to burn is approximately 25 minutes. To find the hourly UV index in Tamalpais Valley, you can refer to this Hourly UV Index in Tamalpais Valley.

Maximum UV Index Levels in Tamalpais Valley for October

The chart shows the monthly maximum UV Index (UVI) for Tamalpais Valley 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 Tamalpais Valley typically reaches 6, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3589101111109643
Data source: Tamalpais Valley 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 Tamalpais Valley Compares to Other Months

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

This table compares monthly weather conditions in Tamalpais Valley, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather10°C (51°F)111 mm (4.4 inches)85%moderate
February Weather11°C (52°F)116 mm (4.6 inches)82%moderate
March Weather12°C (54°F)80 mm (3.1 inches)82%very high
April Weather14°C (57°F)35 mm (1.4 inches)79%very high
May Weather15°C (60°F)20 mm (0.8 inches)83%very high
June Weather17°C (63°F)2 mm (0.1 inches)84%extreme
July Weather17°C (63°F)2 mm (0.1 inches)87%extreme
August Weather18°C (64°F)1 mm (0.1 inches)87%very high
September Weather18°C (65°F)2 mm (0.1 inches)86%very high
October Weather16°C (62°F)30 mm (1.2 inches)80%high
November Weather13°C (55°F)48 mm (1.9 inches)79%moderate
December Weather10°C (51°F)98 mm (3.9 inches)79%moderate

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