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October Weather in Livermore, United States

Last updated: June 24, 2025

In October, the average temperature in Livermore, United States hovers around 17°C (62°F), with temperatures ranging from a chilly 0°C (32°F) to a warm 36°C (98°F). Visitors can expect about 119 mm (4.7 in) of precipitation spread across 10 days while experiencing an average humidity of 78%.

October Temperature in Livermore

In October in Livermore, the average temperature is 17°C (62°F). Maximum temperatures can reach 36°C (98°F), while the minimum can be as low as 0°C (32°F). Be prepared for a range of weather conditions, from warm days to chilly nights, making it ideal for travelers who enjoy a varied climate.

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

The chart illustrates October temperature patterns in Livermore, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Livermore, October typically has an average temperature of 17°C (62°F), with highs reaching up to 36°C (98°F) and lows dropping to around 0°C (32°F).
JanFebMarAprMayJunJulAugSepOctNovDec374150586977807873624643
Data source: Temperature data for Livermore 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 Livermore

In Livermore in October, the total precipitation amount is 119 mm (4.7 in) over the span of 10 days.

October Precipitation Trends in Livermore

The chart displays monthly precipitation patterns in Livermore, 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 Livermore, October typically receives around 119 mm (4.7 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec9214112614712312396889711988104
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Livermore

In Livermore in October, humidity is 78%. With an average temperature of 17°C (62°F), this humidity feels like a warm, enveloping blanket, making travel feel a bit sticky and heavy but also refreshing, as long as you're prepared with light clothing and plenty of water.

October Average Humidity in Livermore

This chart illustrates the average monthly humidity levels in Livermore, 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 Livermore is approximately 78%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%82%83%83%80%74%71%78%88%88%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Livermore

In Livermore 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 Livermore.

Maximum UV Index Levels in Livermore for October

The chart shows the monthly maximum UV Index (UVI) for Livermore 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 Livermore typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec36710101110109753
Data source: Livermore 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 Livermore Compares to Other Months

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

This table compares monthly weather conditions in Livermore, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather3°C (37°F)92 mm (3.6 inches)87%moderate
February Weather5°C (41°F)141 mm (5.5 inches)86%high
March Weather10°C (50°F)126 mm (4.9 inches)86%high
April Weather14°C (58°F)147 mm (5.8 inches)82%very high
May Weather21°C (70°F)123 mm (4.8 inches)82%very high
June Weather25°C (77°F)123 mm (4.8 inches)83%extreme
July Weather27°C (80°F)96 mm (3.8 inches)80%very high
August Weather25°C (78°F)88 mm (3.4 inches)74%very high
September Weather23°C (74°F)97 mm (3.8 inches)71%very high
October Weather17°C (62°F)119 mm (4.7 inches)78%high
November Weather8°C (47°F)88 mm (3.5 inches)88%moderate
December Weather6°C (43°F)104 mm (4.1 inches)88%moderate

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