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May Weather in San Fernando, Colombia

Last updated: August 23, 2025

In San Fernando, Colombia, the average temperature in May is a warm 28°C (83°F), with minimums dropping to 23°C (74°F) and maximums soaring to 37°C (98°F). Expect a substantial precipitation amount of 356 mm (14.0 in) over 28 days, contributing to an average humidity of 62%. Stay prepared for a mix of warm and wet conditions!

May Temperature in San Fernando

In May in San Fernando, the average temperature is 28°C (83°F), with maximums reaching up to 37°C (98°F) and minimums dropping as low as 23°C (74°F). This makes it an ideal destination for travelers seeking warm weather and plenty of sunshine.

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

The chart illustrates May temperature patterns in San Fernando, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Fernando, May typically has an average temperature of 28°C (83°F), with highs reaching up to 37°C (98°F) and lows dropping to around 23°C (74°F).
JanFebMarAprMayJunJulAugSepOctNovDec858786848383848382828284
Data source: Temperature data for San Fernando 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 Fernando

In San Fernando in May, the precipitation amount is 356 mm (14.0 in) over a duration of 28 days.

May Precipitation Trends in San Fernando

The chart displays monthly precipitation patterns in San Fernando, 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 Fernando, May typically receives around 356 mm (14.0 inches) of precipitation spread over approximately 28 days.
JanFebMarAprMayJunJulAugSepOctNovDec2665621735626524227629129819259
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in San Fernando

In San Fernando in May humidity is 62%. With an average temperature of 28°C (83°F), this humidity feels like a warm embrace, making travel invigorating yet slightly sticky, so it's perfect for exploring in the early morning or late afternoon when the sun is less intense.

May Average Humidity in San Fernando

This chart illustrates the average monthly humidity levels in San Fernando, 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 Fernando is approximately 62%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec51%47%45%46%62%81%87%83%83%85%83%65%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in San Fernando

In San Fernando 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 Fernando, you can check here.

Maximum UV Index Levels in San Fernando for May

The chart shows the monthly maximum UV Index (UVI) for San Fernando 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 Fernando typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec111213151413121313131110
Data source: San Fernando 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 Fernando Compares to Other Months

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

This table compares monthly weather conditions in San Fernando, showing how May’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather29°C (85°F)26 mm (1.0 inches)51%extreme
February Weather31°C (87°F)6 mm (0.2 inches)47%extreme
March Weather30°C (87°F)56 mm (2.2 inches)45%extreme
April Weather29°C (84°F)217 mm (8.5 inches)46%extreme
May Weather28°C (83°F)356 mm (14.0 inches)62%extreme
June Weather28°C (84°F)265 mm (10.4 inches)81%extreme
July Weather29°C (84°F)242 mm (9.5 inches)87%extreme
August Weather28°C (84°F)276 mm (10.9 inches)83%extreme
September Weather28°C (83°F)291 mm (11.5 inches)83%extreme
October Weather28°C (82°F)298 mm (11.7 inches)85%extreme
November Weather28°C (82°F)192 mm (7.6 inches)83%extreme
December Weather29°C (84°F)59 mm (2.3 inches)65%very high

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