October Weather in Pomona, United States

Last updated: June 24, 2025

In October, the average temperature in Pomona, United States hovers around 15°C (60°F). However, temperatures can vary significantly, dipping to a chilly -4°C (25°F) or soaring to a sweltering 33°C (91°F). Be prepared for about 127 mm (5.0 in) of precipitation over 9 days, with an average humidity level of 72% adding to the season's mood.

October Temperature in Pomona

In October in Pomona, the average temperature is 15°C (60°F). Maximums can reach 33°C (91°F), while minimums can drop as low as -4°C (25°F). This temperature range makes Pomona an ideal destination for travelers seeking a mix of mild and warm weather experiences.

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 15°C (60°F), with highs reaching up to 33°C (91°F) and lows dropping to around -4°C (25°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 127 mm (5.0 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 127 mm (5.0 inches) of precipitation spread over approximately 9 days.

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

Choose your preferred precipitation unit

Millimeters (mm) Inches (in)

October Humidity in Pomona

In Pomona in October humidity is 72%. With an average temperature of 15°C (60°F), this humidity feels like a warm embrace, creating a slightly muggy atmosphere that can make strolling around a bit sticky. Travelers might find themselves longing for a refreshing breeze, and it’s advisable to stay hydrated while exploring local sights.

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 72%, 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	2°C (36°F)	84 mm (3.3 inches)	83%	moderate
February Weather	4°C (39°F)	113 mm (4.4 inches)	81%	high
March Weather	10°C (50°F)	153 mm (6.0 inches)	80%	high
April Weather	13°C (56°F)	163 mm (6.4 inches)	80%	very high
May Weather	19°C (67°F)	187 mm (7.4 inches)	83%	extreme
June Weather	24°C (75°F)	79 mm (3.1 inches)	83%	extreme
July Weather	26°C (79°F)	77 mm (3.0 inches)	76%	extreme
August Weather	25°C (77°F)	109 mm (4.3 inches)	69%	very high
September Weather	23°C (73°F)	50 mm (2.0 inches)	68%	very high
October Weather	15°C (60°F)	127 mm (5.0 inches)	72%	high
November Weather	8°C (46°F)	76 mm (3.0 inches)	83%	moderate
December Weather	5°C (42°F)	77 mm (3.0 inches)	86%	moderate