July Weather in Pomona, United States

Last updated: June 24, 2025

In Pomona, United States, the average temperature in July hovers around 26°C (79°F), with a minimum of 15°C (60°F) and a maximum reaching up to 37°C (100°F). Expect about 77 mm (3.0 in) of precipitation spread over 11 days, while the air remains comfortably humid at an average of 76%. Enjoy the balance of warm days and refreshing rain!

July Temperature in Pomona

In July in Pomona, the average temperature is 26°C (79°F). Maximums can reach 37°C (100°F), and minimums can be as low as 15°C (60°F). It’s an ideal time to enjoy outdoor activities, but be sure to pack for both the heat and cooler evenings.

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

The chart illustrates July 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, July typically has an average temperature of 26°C (79°F), with highs reaching up to 37°C (100°F) and lows dropping to around 15°C (60°F).

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

July Precipitation in Pomona

In Pomona in July, the precipitation amount is 77 mm (3.0 in) over the course of 11 days.

July Precipitation Trends in Pomona

The chart displays monthly precipitation patterns in Pomona, with values for each month alongside July’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July’s conditions compare to those of other months. In Pomona, July typically receives around 77 mm (3.0 inches) of precipitation spread over approximately 11 days.

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

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Millimeters (mm) Inches (in)

July Humidity in Pomona

In Pomona in July humidity is 76%. With an average temperature of 26°C (79°F), this humidity feels like a heavy blanket wrapping around you, making outdoor activities challenging and requiring frequent breaks to hydrate and cool down during your travels.

July Average Humidity in Pomona

This chart illustrates the average monthly humidity levels in Pomona, with July’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In July, average humidity in Pomona is approximately 76%, offering insight into how humid the weather typically is during this month.

Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Pomona

In Pomona in July, the maximum UV index reaches 11, which corresponds to an extreme Exposure Category. With a time to burn of just 10 minutes, it's essential to take precautions. For more details, you can check the Hourly UV Index in Pomona.

Maximum UV Index Levels in Pomona for July

The chart shows the monthly maximum UV Index (UVI) for Pomona in July, 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 July, the maximum UV index in Pomona typically reaches 11, which falls under the extreme exposure category.

Data source: Pomona July 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 July 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 July’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 July’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