May Weather in Calimesa, United States

Last updated: June 24, 2025

In May, the average temperature in Calimesa, United States hovers around 17°C (62°F). Expect minimums dipping to 2°C (37°F) and maximums soaring up to 33°C (92°F). The month brings 15 mm (0.6 in) of precipitation over approximately 4 days, with an average humidity level of 46%.

May Temperature in Calimesa

In May in Calimesa, the average temperature is 17°C (62°F). Maximum temperatures can reach 33°C (92°F), while minimums can drop as low as 2°C (37°F). For travelers, this means preparing for a range of weather conditions, from warm days to potentially chilly nights.

May Weather in Calimesa: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Calimesa, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Calimesa, May typically has an average temperature of 17°C (62°F), with highs reaching up to 33°C (92°F) and lows dropping to around 2°C (37°F).

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

May Precipitation in Calimesa

In Calimesa in May, the precipitation amount is 15 mm (0.6 in) occurring over the course of 4 days.

May Precipitation Trends in Calimesa

The chart displays monthly precipitation patterns in Calimesa, with values for each month alongside May’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May’s conditions compare to those of other months. In Calimesa, May typically receives around 15 mm (0.6 inches) of precipitation spread over approximately 4 days.

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

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Millimeters (mm) Inches (in)

May Humidity in Calimesa

In Calimesa in May, humidity is 46%. With an average temperature of 17°C (62°F), this humidity feels like a refreshing breeze, making it comfortable for exploring the local attractions and enjoying outdoor activities.

May Average Humidity in Calimesa

This chart illustrates the average monthly humidity levels in Calimesa, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Calimesa is approximately 46%, offering insight into how humid the weather typically is during this month.

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

May UV Index in Calimesa

In Calimesa in May, 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 Calimesa.

Maximum UV Index Levels in Calimesa for May

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

Data source: Calimesa May 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 May Weather in Calimesa Compares to Other Months

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

This table compares monthly weather conditions in Calimesa, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	9°C (49°F)	62 mm (2.4 inches)	72%	moderate
February Weather	9°C (49°F)	66 mm (2.6 inches)	77%	high
March Weather	11°C (52°F)	57 mm (2.3 inches)	67%	very high
April Weather	15°C (59°F)	26 mm (1.0 inches)	56%	very high
May Weather	17°C (62°F)	15 mm (0.6 inches)	46%	extreme
June Weather	22°C (72°F)	3 mm (0.1 inches)	48%	extreme
July Weather	25°C (78°F)	13 mm (0.5 inches)	46%	extreme
August Weather	25°C (78°F)	10 mm (0.4 inches)	42%	extreme
September Weather	23°C (73°F)	10 mm (0.4 inches)	52%	very high
October Weather	18°C (64°F)	11 mm (0.4 inches)	58%	very high
November Weather	14°C (57°F)	23 mm (0.9 inches)	66%	moderate
December Weather	9°C (49°F)	59 mm (2.3 inches)	74%	moderate