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May Weather in San Martin, Colombia

Last updated: August 23, 2025

In May, the average temperature in San Martin, Colombia hovers around 25°C (77°F), making it quite a pleasant time of year. Expect temperatures to range from a minimum of 19°C (67°F) to a maximum of 32°C (89°F). However, it’s also a month of considerable moisture, with an average precipitation amount of 696 mm (27.4 in) over 30 days, and the air tends to be quite humid, with average humidity levels at 81%. Prepare accordingly!

May Temperature in San Martin

In May in San Martin, the average temperature is 25°C (77°F). Maximums can reach 32°C (89°F), and minimums can be as low as 19°C (67°F). It's a great time for travelers to enjoy warm weather while exploring the beautiful surroundings.

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

The chart illustrates May temperature patterns in San Martin, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Martin, May typically has an average temperature of 25°C (77°F), with highs reaching up to 32°C (89°F) and lows dropping to around 19°C (67°F).
JanFebMarAprMayJunJulAugSepOctNovDec767978777776767676757676
Data source: Temperature data for San Martin 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 San Martin

In San Martin in May, the total precipitation amount is 696 mm (27.4 in) over a span of 30 days.

May Precipitation Trends in San Martin

The chart displays monthly precipitation patterns in San Martin, 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 Martin, May typically receives around 696 mm (27.4 inches) of precipitation spread over approximately 30 days.
JanFebMarAprMayJunJulAugSepOctNovDec8728200452696610558563519452322122
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Martin

In San Martin in May, humidity is 81%. With an average temperature of 25°C (77°F), this humidity feels like walking through a warm, thick blanket, making traveling quite challenging as you may feel sticky and sluggish, requiring frequent breaks to stay refreshed and hydrated.

May Average Humidity in San Martin

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

In San Martin in May, the maximum UV index is 14, which corresponds to an extreme Exposure Category. The time to burn is just 10 minutes, so it's crucial to take precautions. For the detailed hourly UV index in San Martin, you can check here.

Maximum UV Index Levels in San Martin for May

The chart shows the monthly maximum UV Index (UVI) for San Martin 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 Martin typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec121314151413131313131110
Data source: San Martin 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 Martin Compares to Other Months

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

This table compares monthly weather conditions in San Martin, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather25°C (77°F)87 mm (3.4 inches)52%extreme
February Weather26°C (79°F)28 mm (1.1 inches)47%extreme
March Weather26°C (79°F)200 mm (7.9 inches)45%extreme
April Weather25°C (77°F)452 mm (17.8 inches)54%extreme
May Weather25°C (77°F)696 mm (27.4 inches)81%extreme
June Weather25°C (77°F)610 mm (24.0 inches)88%extreme
July Weather24°C (76°F)558 mm (22.0 inches)88%extreme
August Weather24°C (76°F)563 mm (22.2 inches)82%extreme
September Weather24°C (76°F)519 mm (20.4 inches)78%extreme
October Weather24°C (76°F)451 mm (17.8 inches)83%extreme
November Weather24°C (76°F)322 mm (12.7 inches)83%extreme
December Weather25°C (77°F)122 mm (4.8 inches)70%very high

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