May Weather in Morongo Valley, United States

Last updated: June 24, 2025

In Morongo Valley, United States, the average temperature in May is a pleasant 20°C (69°F). However, temperatures can vary significantly, dipping to a minimum of 4°C (40°F) and reaching a maximum of 38°C (100°F). Expect 5 mm (0.2 in) of precipitation over 1 day, and enjoy an average humidity level of 46% for a comfortable atmosphere.

May Temperature in Morongo Valley

In May in Morongo Valley, the average temperature is 20°C (69°F). The maximum can reach 38°C (100°F), and the minimum can be as low as 4°C (40°F). Pack accordingly to enjoy a range of activities in this diverse climate!

May Weather in Morongo Valley: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Morongo Valley, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Morongo Valley, May typically has an average temperature of 20°C (69°F), with highs reaching up to 38°C (100°F) and lows dropping to around 4°C (40°F).

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

May Precipitation in Morongo Valley

In Morongo Valley in May, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.

May Precipitation Trends in Morongo Valley

The chart displays monthly precipitation patterns in Morongo Valley, 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 Morongo Valley, May typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 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 Morongo Valley

In Morongo Valley in May humidity is 46%. With an average temperature of 20°C (69°F), this humidity feels like a pleasant and comfortable environment for traveling, providing just enough moisture in the air to make outdoor activities enjoyable without feeling sticky or oppressive.

May Average Humidity in Morongo Valley

This chart illustrates the average monthly humidity levels in Morongo Valley, 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 Morongo Valley 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 Morongo Valley

In Morongo Valley in May, the maximum UV index is 12, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, underscoring the importance of sun protection. For detailed information, you can check the Hourly UV Index in Morongo Valley.

Maximum UV Index Levels in Morongo Valley for May

The chart shows the monthly maximum UV Index (UVI) for Morongo Valley 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 Morongo Valley typically reaches 12, which falls under the extreme exposure category.

Data source: Morongo Valley 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 Morongo Valley Compares to Other Months

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

This table compares monthly weather conditions in Morongo Valley, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
	Temperature	Precipitation	Humidity	UV
January Weather	10°C (50°F)	30 mm (1.2 inches)	72%	moderate
February Weather	10°C (51°F)	32 mm (1.3 inches)	77%	high
March Weather	13°C (55°F)	22 mm (0.9 inches)	67%	very high
April Weather	17°C (64°F)	14 mm (0.5 inches)	56%	extreme
May Weather	20°C (69°F)	5 mm (0.2 inches)	46%	extreme
June Weather	26°C (80°F)	1 mm (0.1 inches)	48%	extreme
July Weather	29°C (85°F)	6 mm (0.3 inches)	46%	extreme
August Weather	29°C (85°F)	4 mm (0.2 inches)	42%	extreme
September Weather	25°C (78°F)	2 mm (0.1 inches)	52%	very high
October Weather	19°C (66°F)	5 mm (0.2 inches)	58%	very high
November Weather	14°C (58°F)	11 mm (0.4 inches)	66%	moderate
December Weather	9°C (49°F)	33 mm (1.3 inches)	74%	moderate