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October Weather in Pleasanton, United States

Last updated: June 24, 2025

In Pleasanton, United States, the average temperature for October typically hovers around 15°C (58°F). However, be prepared for a temperature range that can dip as low as -2°C (29°F) and soar up to 32°C (90°F). During this month, expect approximately 106 mm (4.2 in) of precipitation over 10 days, and keep in mind that the average humidity sits at a comfy 72%.

October Temperature in Pleasanton

In October in Pleasanton, the average temperature is 15°C (58°F). The maximum can reach 32°C (90°F), and the minimum can be as low as -2°C (29°F). Be prepared for a wide range of temperatures when traveling to Pleasanton during this month.

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

The chart illustrates October temperature patterns in Pleasanton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pleasanton, October typically has an average temperature of 15°C (58°F), with highs reaching up to 32°C (90°F) and lows dropping to around -2°C (29°F).
JanFebMarAprMayJunJulAugSepOctNovDec333548556777807773584639
Data source: Temperature data for Pleasanton 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 Pleasanton

In Pleasanton in October, the precipitation amount is 106 mm (4.2 in) over a span of 10 days.

October Precipitation Trends in Pleasanton

The chart displays monthly precipitation patterns in Pleasanton, 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 Pleasanton, October typically receives around 106 mm (4.2 inches) of precipitation spread over approximately 10 days.
JanFebMarAprMayJunJulAugSepOctNovDec634910711118793129121771064733
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Pleasanton

In Pleasanton in October, humidity is 72%. With an average temperature of 15°C (58°F), this humidity feels like a damp blanket wrapping around you, making outdoor activities less comfortable and encouraging travelers to seek out shaded areas or cool indoor spaces.

October Average Humidity in Pleasanton

This chart illustrates the average monthly humidity levels in Pleasanton, 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 Pleasanton is approximately 72%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec80%78%75%77%82%83%81%78%72%72%84%86%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Pleasanton

In Pleasanton 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 Pleasanton.

Maximum UV Index Levels in Pleasanton for October

The chart shows the monthly maximum UV Index (UVI) for Pleasanton 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 Pleasanton typically reaches 7, which falls under the high exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec3579101111109743
Data source: Pleasanton 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 Pleasanton Compares to Other Months

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

This table compares monthly weather conditions in Pleasanton, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather1°C (34°F)63 mm (2.5 inches)80%moderate
February Weather2°C (35°F)49 mm (1.9 inches)78%moderate
March Weather9°C (48°F)107 mm (4.2 inches)75%high
April Weather13°C (56°F)111 mm (4.4 inches)77%very high
May Weather19°C (67°F)186 mm (7.3 inches)82%very high
June Weather25°C (78°F)93 mm (3.6 inches)83%extreme
July Weather27°C (81°F)129 mm (5.1 inches)81%extreme
August Weather25°C (77°F)120 mm (4.7 inches)78%very high
September Weather23°C (73°F)77 mm (3.0 inches)72%very high
October Weather15°C (58°F)106 mm (4.2 inches)72%high
November Weather8°C (46°F)47 mm (1.9 inches)84%moderate
December Weather4°C (40°F)33 mm (1.3 inches)86%moderate

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