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May Weather in California, Colombia

Last updated: August 23, 2025

In May, the average temperature in California, Colombia hovers around 17°C (62°F), offering a pleasant climate for exploration. Expect minimums of 11°C (51°F) and maximums of 23°C (74°F), providing a comfortable range for all outdoor activities. However, be prepared for rain, as precipitation can reach up to 800 mm (31.5 in) over the course of 31 days. With an average humidity of 81%, the air carries a refreshing quality, making this destination a unique experience.

May Temperature in California

In May in California, the average temperature is 17°C (62°F). Maximum temperatures can reach 23°C (74°F), while minimums can drop as low as 11°C (51°F). This moderate climate makes it an ideal time for outdoor activities and exploring the local sights.

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

The chart illustrates May temperature patterns in California, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In California, May typically has an average temperature of 17°C (62°F), with highs reaching up to 23°C (74°F) and lows dropping to around 11°C (51°F).
JanFebMarAprMayJunJulAugSepOctNovDec606161616261616161616161
Data source: Temperature data for California 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 California

In California in May, the precipitation amount is 800 mm (31.5 in) over the course of 31 days.

May Precipitation Trends in California

The chart displays monthly precipitation patterns in California, 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 California, May typically receives around 800 mm (31.5 inches) of precipitation spread over approximately 31 days.
JanFebMarAprMayJunJulAugSepOctNovDec178134372542800893881731549690483312
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in California

In California in May, humidity is 81%. With an average temperature of 17°C (62°F), this humidity feels like a warm blanket enveloping you, making outdoor adventures feel sticky and requiring frequent breaks to stay comfortable while exploring.

May Average Humidity in California

This chart illustrates the average monthly humidity levels in California, 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 California is approximately 81%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec52%47%45%54%81%88%88%82%78%83%84%70%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in California

In California in May, the maximum UV index reaches an alarming 15, which falls into the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to take precautions. For detailed information, you can check the Hourly UV Index in California.

Maximum UV Index Levels in California for May

The chart shows the monthly maximum UV Index (UVI) for California 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 California typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121415161514131314131211
Data source: California 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 California Compares to Other Months

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

This table compares monthly weather conditions in California, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather16°C (60°F)178 mm (7.0 inches)52%extreme
February Weather16°C (61°F)134 mm (5.3 inches)47%extreme
March Weather16°C (61°F)372 mm (14.6 inches)45%extreme
April Weather16°C (62°F)542 mm (21.3 inches)54%extreme
May Weather17°C (62°F)800 mm (31.5 inches)81%extreme
June Weather16°C (61°F)893 mm (35.1 inches)88%extreme
July Weather16°C (61°F)881 mm (34.7 inches)88%extreme
August Weather16°C (61°F)731 mm (28.8 inches)82%extreme
September Weather16°C (61°F)549 mm (21.6 inches)78%extreme
October Weather16°C (61°F)690 mm (27.1 inches)83%extreme
November Weather16°C (61°F)483 mm (19.0 inches)83%extreme
December Weather16°C (61°F)312 mm (12.3 inches)70%extreme

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