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March Weather in San Martin, El Salvador

Last updated: August 23, 2025

In San Martin, El Salvador, the average temperature in March is a warm 27°C (82°F). You'll experience a pleasant range, with minimum temperatures dipping to 18°C (64°F) and peaks reaching up to 37°C (100°F). Expect a light precipitation of 5 mm (0.2 in) over the course of just 1 day, and enjoy a comfortable average humidity level of 59%.

March Temperature in San Martin

In March in San Martin, the average temperature is 27°C (82°F). Maximums can reach 37°C (100°F), and minimums can be as low as 18°C (64°F). Pack light clothing and stay hydrated, as the warm temperatures make it an ideal time for outdoor activities and exploration.

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

The chart illustrates March 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, March typically has an average temperature of 27°C (82°F), with highs reaching up to 37°C (100°F) and lows dropping to around 18°C (64°F).
JanFebMarAprMayJunJulAugSepOctNovDec788081828079818079787878
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.

March Precipitation in San Martin

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

March Precipitation Trends in San Martin

The chart displays monthly precipitation patterns in San Martin, 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 Martin, March typically receives around 5 mm (0.2 inches) of precipitation spread over approximately 1 days.
JanFebMarAprMayJunJulAugSepOctNovDec35551280313138232291286657
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Martin

In San Martin in March humidity is 59%. With an average temperature of 27°C (82°F), this humidity feels like a warm blanket, making outdoor activities enjoyable but requiring occasional breaks in the shade to stay comfortable while exploring.

March Average Humidity in San Martin

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

In San Martin 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 Martin, you can check here.

Maximum UV Index Levels in San Martin for March

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

Weather in San Martin varies notably across the year, with each month offering distinct climate conditions. This page compares March’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 March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather26°C (78°F)3 mm (0.1 inches)63%extreme
February Weather26°C (80°F)5 mm (0.2 inches)62%extreme
March Weather27°C (82°F)5 mm (0.2 inches)59%extreme
April Weather28°C (82°F)51 mm (2.0 inches)59%extreme
May Weather27°C (81°F)279 mm (11.0 inches)59%extreme
June Weather26°C (79°F)313 mm (12.3 inches)68%extreme
July Weather27°C (81°F)138 mm (5.4 inches)77%extreme
August Weather27°C (80°F)232 mm (9.1 inches)79%extreme
September Weather26°C (79°F)291 mm (11.5 inches)77%extreme
October Weather25°C (78°F)286 mm (11.3 inches)77%extreme
November Weather26°C (78°F)65 mm (2.5 inches)75%very high
December Weather25°C (78°F)7 mm (0.3 inches)66%very high

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