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May Weather in Running Springs, United States

Last updated: June 24, 2025

In Running Springs, United States, the average temperature in May is a comfortable 16°C (61°F). However, temperatures can vary widely, dipping as low as 1°C (33°F) and soaring to a maximum of 33°C (92°F). During this month, you can expect about 14 mm (0.6 in) of precipitation over approximately 3 days, contributing to an average humidity of 45%. Whether you prefer mild days or the thrill of temperature swings, May in Running Springs has something for everyone!

May Temperature in Running Springs

In May in Running Springs, the average temperature is 16°C (61°F). Maximums can reach 33°C (92°F), while minimums can dip as low as 1°C (33°F). Be sure to pack layers to accommodate the varied temperatures during your visit.

May Weather in Running Springs: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Running Springs, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Running Springs, May typically has an average temperature of 16°C (61°F), with highs reaching up to 33°C (92°F) and lows dropping to around 1°C (33°F).
JanFebMarAprMayJunJulAugSepOctNovDec454649576172777771615345
Data source: Temperature data for Running Springs generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Running Springs

In Running Springs in May, the precipitation amount is 14 mm (0.6 in) accumulated over the course of 3 days.

May Precipitation Trends in Running Springs

The chart displays monthly precipitation patterns in Running Springs, 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 Running Springs, May typically receives around 14 mm (0.6 inches) of precipitation spread over approximately 3 days.
JanFebMarAprMayJunJulAugSepOctNovDec4446422114529191291645
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Running Springs

In Running Springs in May, humidity is 45%. With an average temperature of 16°C (61°F), this humidity feels like a refreshing breeze, making it comfortable for traveling as it adds a pleasant and mild touch to your outdoor adventures.

May Average Humidity in Running Springs

This chart illustrates the average monthly humidity levels in Running Springs, 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 Running Springs is approximately 45%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec76%80%69%57%45%34%29%28%42%54%68%75%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Running Springs

In Running Springs 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 Running Springs.

Maximum UV Index Levels in Running Springs for May

The chart shows the monthly maximum UV Index (UVI) for Running Springs 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 Running Springs typically reaches 11, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec469111112121110854
Data source: Running Springs 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 Running Springs Compares to Other Months

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

This table compares monthly weather conditions in Running Springs, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather7°C (46°F)44 mm (1.7 inches)76%moderate
February Weather8°C (46°F)46 mm (1.8 inches)80%high
March Weather9°C (49°F)42 mm (1.6 inches)69%very high
April Weather14°C (57°F)21 mm (0.8 inches)57%extreme
May Weather16°C (61°F)14 mm (0.6 inches)45%extreme
June Weather22°C (72°F)5 mm (0.2 inches)34%extreme
July Weather25°C (77°F)29 mm (1.1 inches)29%extreme
August Weather25°C (77°F)19 mm (0.8 inches)28%extreme
September Weather22°C (71°F)12 mm (0.5 inches)41%very high
October Weather16°C (61°F)8 mm (0.3 inches)54%very high
November Weather12°C (54°F)16 mm (0.6 inches)68%moderate
December Weather7°C (46°F)45 mm (1.8 inches)75%moderate

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