October Weather in Pleasanton, United States

Last updated: June 24, 2025

In Pleasanton, United States, the average temperature in October hovers around 23°C (74°F). However, temperatures can swing from a cool 2°C (37°F) to a scorching 38°C (100°F). During this month, expect about 76 mm (3.0 inches) of precipitation over 8 days, along with an average humidity level of 74%.

October Temperature in Pleasanton

In October in Pleasanton, the average temperature is 23°C (74°F). The maximum can reach 38°C (100°F), and the minimum can be as low as 2°C (37°F). This variability in temperatures makes Pleasanton an exciting destination for travelers seeking both warmth and the potential for cooler evenings.

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 23°C (74°F), with highs reaching up to 38°C (100°F) and lows dropping to around 2°C (37°F).

Data source: Temperature data for Pleasanton generated using information from the Copernicus Climate Change Service.

October Precipitation in Pleasanton

In Pleasanton in October, the precipitation amount is 76 mm (3.0 in) spread over a duration of 8 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 76 mm (3.0 inches) of precipitation spread over approximately 8 days.

Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.

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Millimeters (mm) Inches (in)

October Humidity in Pleasanton

In Pleasanton in October humidity is 74%. With an average temperature of 23°C (74°F), this humidity feels like a warm, enveloping blanket, making outdoor activities a bit sticky and potentially exhausting, so travelers should stay hydrated and take frequent 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 74%, offering insight into how humid the weather typically is during this month.

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 9, which corresponds to a very high Exposure Category. The time to burn is just 15 minutes, so it's essential to take precautions. For 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 9, which falls under the very high exposure category.

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.
	Temperature	Precipitation	Humidity	UV
January Weather	13°C (55°F)	32 mm (1.3 inches)	79%	moderate
February Weather	14°C (58°F)	46 mm (1.8 inches)	79%	very high
March Weather	20°C (67°F)	53 mm (2.1 inches)	74%	very high
April Weather	22°C (73°F)	52 mm (2.0 inches)	76%	extreme
May Weather	26°C (80°F)	103 mm (4.1 inches)	81%	extreme
June Weather	29°C (85°F)	64 mm (2.5 inches)	76%	extreme
July Weather	30°C (87°F)	72 mm (2.8 inches)	66%	extreme
August Weather	31°C (88°F)	52 mm (2.1 inches)	58%	extreme
September Weather	28°C (82°F)	108 mm (4.3 inches)	65%	extreme
October Weather	23°C (74°F)	76 mm (3.0 inches)	74%	very high
November Weather	17°C (64°F)	43 mm (1.7 inches)	81%	high
December Weather	14°C (58°F)	43 mm (1.7 inches)	86%	moderate