October Weather in Pomona, United States

Last updated: June 24, 2025

In Pomona, United States, the average temperature in October hovers around 17°C (63°F). Expect a broad range, with minimums dipping to 3°C (38°F) and maximums soaring to 35°C (95°F). During this month, the region typically receives 136 mm (5.4 in) of precipitation spread over 9 days, contributing to an average humidity of 75%.

October Temperature in Pomona

In October in Pomona, the average temperature is 17°C (63°F). Maximum temperatures can reach 35°C (95°F), while the minimum can drop as low as 3°C (38°F). Be prepared for a range of temperatures during your travels, from warm days to cooler evenings.

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

The chart illustrates October temperature patterns in Pomona, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Pomona, October typically has an average temperature of 17°C (63°F), with highs reaching up to 35°C (95°F) and lows dropping to around 3°C (38°F).

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

October Precipitation in Pomona

In Pomona in October, the precipitation amount is 136 mm (5.4 in) over a span of 9 days.

October Precipitation Trends in Pomona

The chart displays monthly precipitation patterns in Pomona, 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 Pomona, October typically receives around 136 mm (5.4 inches) of precipitation spread over approximately 9 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 Pomona

In Pomona in October, humidity is 75%. With an average temperature of 17°C (63°F), this humidity feels like a warm embrace, making outdoor activities a bit sticky and requiring frequent breaks to stay refreshed during your travels.

October Average Humidity in Pomona

This chart illustrates the average monthly humidity levels in Pomona, 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 Pomona is approximately 75%, 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 Pomona

In Pomona 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 Pomona.

Maximum UV Index Levels in Pomona for October

The chart shows the monthly maximum UV Index (UVI) for Pomona 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 Pomona typically reaches 7, which falls under the high exposure category.

Data source: Pomona 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 Pomona Compares to Other Months

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

This table compares monthly weather conditions in Pomona, showing how October’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	3°C (38°F)	65 mm (2.5 inches)	83%	moderate
February Weather	5°C (41°F)	102 mm (4.0 inches)	82%	moderate
March Weather	7°C (45°F)	109 mm (4.3 inches)	81%	high
April Weather	12°C (54°F)	98 mm (3.9 inches)	79%	very high
May Weather	17°C (63°F)	109 mm (4.3 inches)	74%	very high
June Weather	23°C (73°F)	90 mm (3.5 inches)	77%	very high
July Weather	26°C (79°F)	125 mm (4.9 inches)	76%	very high
August Weather	25°C (77°F)	132 mm (5.2 inches)	77%	very high
September Weather	22°C (72°F)	112 mm (4.4 inches)	74%	very high
October Weather	17°C (63°F)	136 mm (5.4 inches)	75%	high
November Weather	9°C (49°F)	80 mm (3.1 inches)	80%	moderate
December Weather	5°C (42°F)	106 mm (4.2 inches)	81%	moderate