nomadseason

May Weather in San Mateo, Colombia

Last updated: August 23, 2025

In May, the average temperature in San Mateo, Colombia is a mild 12°C (53°F). Expect a range from a cool 5°C (40°F) at its lowest to a comfortable 20°C (68°F) at its peak. During this month, you'll also experience a significant precipitation amount of 233 mm (9.2 in) spread over 30 days, creating a lush atmosphere. Don't forget to prepare for the high average humidity of 81%, which adds to the overall ambiance of the region.

May Temperature in San Mateo

In May, in San Mateo, the average temperature is 12°C (53°F). Maximums can reach 20°C (68°F), and minimums can be as low as 5°C (40°F). This mild climate makes San Mateo a great destination for travelers looking for comfortable weather and enjoyable outdoor activities.

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

The chart illustrates May temperature patterns in San Mateo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Mateo, May typically has an average temperature of 12°C (53°F), with highs reaching up to 20°C (68°F) and lows dropping to around 5°C (40°F).
JanFebMarAprMayJunJulAugSepOctNovDec515252535352525252525252
Data source: Temperature data for San Mateo 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 Mateo

In San Mateo in May, the precipitation amount is 233 mm (9.2 in) over a span of 30 days, highlighting the area's significant rainfall during that time.

May Precipitation Trends in San Mateo

The chart displays monthly precipitation patterns in San Mateo, 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 Mateo, May typically receives around 233 mm (9.2 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec8411525023323321118614415618016477
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in San Mateo

In San Mateo in May, humidity is 81%. With an average temperature of 12°C (53°F), this humidity feels like a chilly dampness enveloping you, making outdoor activities uncomfortable and requiring layers to stay warm while you explore.

May Average Humidity in San Mateo

This chart illustrates the average monthly humidity levels in San Mateo, 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 Mateo 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 San Mateo

In San Mateo in May, the maximum UV index reaches an alarming 17, which falls under the extreme Exposure Category. With a time to burn of just 10 minutes, it's crucial to stay protected. For more details on the hourly UV index in San Mateo, you can check Hourly UV Index in San Mateo.

Maximum UV Index Levels in San Mateo for May

The chart shows the monthly maximum UV Index (UVI) for San Mateo 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 Mateo typically reaches 17, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec151718191716161616151413
Data source: San Mateo 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 Mateo Compares to Other Months

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

This table compares monthly weather conditions in San Mateo, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather11°C (52°F)84 mm (3.3 inches)52%extreme
February Weather11°C (52°F)115 mm (4.5 inches)47%extreme
March Weather11°C (52°F)250 mm (9.8 inches)45%extreme
April Weather11°C (53°F)233 mm (9.2 inches)54%extreme
May Weather12°C (53°F)233 mm (9.2 inches)81%extreme
June Weather11°C (52°F)211 mm (8.3 inches)88%extreme
July Weather11°C (52°F)186 mm (7.3 inches)88%extreme
August Weather11°C (52°F)144 mm (5.7 inches)82%extreme
September Weather11°C (52°F)155 mm (6.1 inches)78%extreme
October Weather11°C (52°F)180 mm (7.1 inches)83%extreme
November Weather11°C (52°F)164 mm (6.5 inches)83%extreme
December Weather11°C (52°F)77 mm (3.0 inches)70%extreme

Compare San Mateo's Climate with Cities Worldwide