nomadseason

May Weather in San Diego, Colombia

Last updated: August 23, 2025

In May, the average temperature in San Diego, Colombia hovers around 26°C (78°F), making it a pleasant time to visit. Expect minimums of 20°C (69°F) and highs reaching 33°C (92°F). However, be prepared for a significant amount of rainfall, averaging 615 mm (24.2 in) over the span of 30 days. With an average humidity of 65%, it's wise to embrace the tropical vibe and stay refreshed!

May Temperature in San Diego

In May in San Diego, the average temperature is 26°C (78°F), with maximums reaching up to 33°C (92°F) and minimums dropping as low as 20°C (69°F). This pleasant climate makes it an ideal destination for travelers seeking warmth and outdoor activities.

May Weather in San Diego: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in San Diego, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Diego, May typically has an average temperature of 26°C (78°F), with highs reaching up to 33°C (92°F) and lows dropping to around 20°C (69°F).
JanFebMarAprMayJunJulAugSepOctNovDec767777777878797978777777
Data source: Temperature data for San Diego generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in San Diego

In San Diego in May, the precipitation amount is 615 mm (24.2 in) over a span of 30 days.

May Precipitation Trends in San Diego

The chart displays monthly precipitation patterns in San Diego, 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 San Diego, May typically receives around 615 mm (24.2 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec513319542961541728740148853129154
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in San Diego

In San Diego in May, humidity is 65%. With an average temperature of 26°C (78°F), this humidity feels like a warm, muggy embrace that can make outdoor activities a bit challenging, often leaving travelers feeling sticky and in need of frequent breaks in the shade.

May Average Humidity in San Diego

This chart illustrates the average monthly humidity levels in San Diego, 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 San Diego is approximately 65%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec65%65%64%64%65%77%85%85%84%82%79%69%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Diego

In San Diego 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 San Diego.

Maximum UV Index Levels in San Diego for May

The chart shows the monthly maximum UV Index (UVI) for San Diego 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 San Diego typically reaches 15, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121315151513131413141111
Data source: San Diego 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 San Diego Compares to Other Months

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

This table compares monthly weather conditions in San Diego, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)51 mm (2.0 inches)65%extreme
February Weather25°C (77°F)33 mm (1.3 inches)65%extreme
March Weather25°C (77°F)195 mm (7.7 inches)64%extreme
April Weather25°C (78°F)429 mm (16.9 inches)64%extreme
May Weather26°C (78°F)615 mm (24.2 inches)65%extreme
June Weather26°C (79°F)417 mm (16.4 inches)77%extreme
July Weather26°C (79°F)287 mm (11.3 inches)85%extreme
August Weather26°C (79°F)401 mm (15.8 inches)85%extreme
September Weather25°C (78°F)488 mm (19.2 inches)84%extreme
October Weather25°C (77°F)531 mm (20.9 inches)82%extreme
November Weather25°C (77°F)291 mm (11.5 inches)79%extreme
December Weather25°C (77°F)54 mm (2.1 inches)69%extreme

Compare San Diego's Climate with Cities Worldwide