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March Weather in San Sebastian, El Salvador

Last updated: August 23, 2025

In March, the average temperature in San Sebastian, El Salvador is a warm 28°C (83°F), with a minimum of 19°C (66°F) and a maximum peaking at 38°C (101°F). Expect light rain with an average precipitation of 5 mm (0.2 in) over just 1 day, while the average humidity hovers around 59%. Perfect weather to enjoy the local sights!

March Temperature in San Sebastian

In March in San Sebastian, the average temperature is 28°C (83°F). Maximum temperatures can reach 38°C (101°F), while minimums can drop to as low as 19°C (66°F). This makes San Sebastian an ideal destination for travelers seeking warm weather and plenty of sunshine.

March Weather in San Sebastian: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in San Sebastian, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Sebastian, March typically has an average temperature of 28°C (83°F), with highs reaching up to 38°C (101°F) and lows dropping to around 19°C (66°F).
JanFebMarAprMayJunJulAugSepOctNovDec798182828079818079787979
Data source: Temperature data for San Sebastian 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.

March Precipitation in San Sebastian

In San Sebastian in March, the precipitation amount is 5 mm (0.2 in) over a duration of 1 day.

March Precipitation Trends in San Sebastian

The chart displays monthly precipitation patterns in San Sebastian, with values for each month alongside March’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March’s conditions compare to those of other months. In San Sebastian, March typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec25553311303136240277314667
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Sebastian

In San Sebastian in March humidity is 59%. With an average temperature of 28°C (83°F), this humidity feels like a warm embrace, making traveling a little sticky but overall comfortable as long as you stay hydrated and take breaks in the shade.

March Average Humidity in San Sebastian

This chart illustrates the average monthly humidity levels in San Sebastian, with March’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In March, average humidity in San Sebastian is approximately 59%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec63%62%59%59%59%68%78%79%77%77%75%67%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Sebastian

In San Sebastian in March, 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 Sebastian, you can check here.

Maximum UV Index Levels in San Sebastian for March

The chart shows the monthly maximum UV Index (UVI) for San Sebastian in March, 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 March, the maximum UV index in San Sebastian typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec11121414141413131313109
Data source: San Sebastian March 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 March Weather in San Sebastian Compares to Other Months

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

This table compares monthly weather conditions in San Sebastian, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (79°F)2 mm (0.1 inches)63%extreme
February Weather27°C (81°F)5 mm (0.2 inches)62%extreme
March Weather28°C (83°F)5 mm (0.2 inches)59%extreme
April Weather28°C (83°F)53 mm (2.1 inches)59%extreme
May Weather27°C (81°F)311 mm (12.3 inches)59%extreme
June Weather26°C (79°F)303 mm (11.9 inches)68%extreme
July Weather27°C (81°F)136 mm (5.4 inches)77%extreme
August Weather27°C (80°F)240 mm (9.5 inches)79%extreme
September Weather26°C (79°F)277 mm (10.9 inches)77%extreme
October Weather26°C (78°F)314 mm (12.3 inches)77%extreme
November Weather26°C (79°F)66 mm (2.6 inches)75%very high
December Weather26°C (79°F)7 mm (0.3 inches)66%very high

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