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October Weather in Pleasanton, United States

Last updated: June 24, 2025

In Pleasanton, United States, the average temperature in October is a pleasant 17°C (63°F). Visitors can expect a range that dips to a cool 4°C (39°F) at night and can reach up to a warm 34°C (93°F) during the day. With an average precipitation of 22 mm (0.9 in) over just 1 day, occasional showers are possible, while the average humidity settles at a comfortable 62%.

October Temperature in Pleasanton

In October in Pleasanton, the average temperature is 17°C (63°F), with maximums reaching 34°C (93°F) and minimums dropping as low as 4°C (39°F). Travelers should be prepared for a wide range of temperatures during this time, making versatile clothing essential.

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 17°C (63°F), with highs reaching up to 34°C (93°F) and lows dropping to around 4°C (39°F).
JanFebMarAprMayJunJulAugSepOctNovDec495153586369727269635549
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 22 mm (0.9 in) over the course of 1 day.

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 22 mm (0.9 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec93817428161002223578
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 62%. With an average temperature of 17°C (63°F), this humidity feels like a refreshing embrace, making it pleasant for traveling as long as you stay hydrated and take breaks in the shade.

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 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec82%84%82%78%71%64%59%54%55%62%78%80%
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.
JanFebMarAprMayJunJulAugSepOctNovDec3589111111109753
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 Weather9°C (49°F)93 mm (3.7 inches)82%moderate
February Weather11°C (51°F)81 mm (3.2 inches)84%moderate
March Weather12°C (54°F)74 mm (2.9 inches)82%very high
April Weather14°C (58°F)28 mm (1.1 inches)78%very high
May Weather17°C (63°F)16 mm (0.6 inches)71%extreme
June Weather20°C (69°F)1 mm (0.0 inches)64%extreme
July Weather22°C (72°F)0 mm (0.0 inches)58%extreme
August Weather22°C (72°F)0 mm (0.0 inches)54%very high
September Weather21°C (69°F)2 mm (0.1 inches)55%very high
October Weather17°C (63°F)22 mm (0.9 inches)62%high
November Weather13°C (55°F)35 mm (1.4 inches)78%moderate
December Weather9°C (49°F)78 mm (3.1 inches)80%moderate

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