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October Weather in Hollister, United States

Last updated: June 24, 2025

In Hollister, United States, the average temperature in October hovers around 18°C (65°F), with a minimum dip to 1°C (35°F) and peaks reaching 36°C (97°F). Expect about 91 mm (3.6 in) of precipitation spread over 9 days, contributing to an average humidity level of 81%.

October Temperature in Hollister

In October in Hollister, the average temperature is 18°C (65°F). Maximums can reach as high as 36°C (97°F), while minimums can drop to as low as 1°C (35°F). Pack accordingly to enjoy a comfortable and diverse climate while exploring.

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

The chart illustrates October temperature patterns in Hollister, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Hollister, October typically has an average temperature of 18°C (65°F), with highs reaching up to 36°C (97°F) and lows dropping to around 1°C (35°F).
JanFebMarAprMayJunJulAugSepOctNovDec434852617076807874655146
Data source: Temperature data for Hollister 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 Hollister

In Hollister in October, the precipitation amount is 91 mm (3.6 in) spread over 9 days.

October Precipitation Trends in Hollister

The chart displays monthly precipitation patterns in Hollister, 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 Hollister, October typically receives around 91 mm (3.6 inches) of precipitation spread over approximately 9 days.
JanFebMarAprMayJunJulAugSepOctNovDec9111185107121135132158122918299
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Hollister

In Hollister in October, humidity is 81%. With an average temperature of 18°C (65°F), this humidity feels like a thick blanket wrapping around you, making every step feel heavier and the air thick and sultry—a challenging environment for traveling.

October Average Humidity in Hollister

This chart illustrates the average monthly humidity levels in Hollister, 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 Hollister is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%84%82%83%83%79%77%75%81%87%85%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Hollister

In Hollister 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 Hollister.

Maximum UV Index Levels in Hollister for October

The chart shows the monthly maximum UV Index (UVI) for Hollister 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 Hollister typically reaches 8, which falls under the very high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec4689101111109853
Data source: Hollister 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 Hollister Compares to Other Months

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

This table compares monthly weather conditions in Hollister, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather6°C (43°F)91 mm (3.6 inches)84%moderate
February Weather9°C (48°F)111 mm (4.4 inches)84%high
March Weather11°C (52°F)85 mm (3.3 inches)84%very high
April Weather16°C (62°F)107 mm (4.2 inches)82%very high
May Weather21°C (70°F)121 mm (4.8 inches)82%very high
June Weather24°C (76°F)135 mm (5.3 inches)83%extreme
July Weather27°C (80°F)132 mm (5.2 inches)79%extreme
August Weather26°C (79°F)157 mm (6.2 inches)77%very high
September Weather23°C (74°F)122 mm (4.8 inches)75%very high
October Weather18°C (65°F)91 mm (3.6 inches)81%very high
November Weather11°C (51°F)82 mm (3.2 inches)87%moderate
December Weather8°C (47°F)99 mm (3.9 inches)85%moderate

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