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March Weather in San Antonio, Belize

Last updated: August 22, 2025

In March, the average temperature in San Antonio, Belize hovers around 25°C (77°F), creating a pleasant atmosphere for visitors. Expect minimums of around 16°C (61°F) and highs reaching 35°C (95°F). During this time, precipitation averages 65 mm (2.5 in) spread over approximately 16 days, and the average humidity sits comfortably at 67%. Enjoy the mild climate while exploring the beauty of San Antonio!

March Temperature in San Antonio

In March in San Antonio, the average temperature is 25°C (77°F). The maximum can reach 35°C (95°F), while the minimum can drop as low as 16°C (61°F). This makes it an ideal time for travelers seeking warm weather and comfortable conditions for outdoor activities.

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

The chart illustrates March temperature patterns in San Antonio, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In San Antonio, March typically has an average temperature of 25°C (77°F), with highs reaching up to 35°C (95°F) and lows dropping to around 16°C (61°F).
JanFebMarAprMayJunJulAugSepOctNovDec737577808281818181797674
Data source: Temperature data for San Antonio 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 Antonio

In San Antonio in March, the total precipitation amount reaches 65 mm (2.5 inches) over a span of 16 days.

March Precipitation Trends in San Antonio

The chart displays monthly precipitation patterns in San Antonio, 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 Antonio, March typically receives around 65 mm (2.5 inches) of precipitation spread over approximately 16 days.
JanFebMarAprMayJunJulAugSepOctNovDec6850655710617212213013921913965
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in San Antonio

In San Antonio in March, humidity is 67%. With an average temperature of 25°C (77°F), this humidity feels like traveling through a warm, heavy blanket, making outdoor activities feel more strenuous and sticky than usual.

March Average Humidity in San Antonio

This chart illustrates the average monthly humidity levels in San Antonio, 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 Antonio is approximately 67%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec85%78%67%62%62%63%66%73%82%86%87%88%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in San Antonio

In San Antonio 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 Antonio, you can check here.

Maximum UV Index Levels in San Antonio for March

The chart shows the monthly maximum UV Index (UVI) for San Antonio 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 Antonio typically reaches 14, which falls under the extreme exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141313141312109
Data source: San Antonio 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 Antonio Compares to Other Months

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

This table compares monthly weather conditions in San Antonio, showing how March’s temperature, precipitation, humidity, and UV index levels differ from those of other months.
 TemperaturePrecipitationHumidityUV
January Weather23°C (73°F)68 mm (2.7 inches)85%very high
February Weather24°C (76°F)50 mm (2.0 inches)78%extreme
March Weather25°C (77°F)65 mm (2.5 inches)67%extreme
April Weather27°C (81°F)57 mm (2.3 inches)62%extreme
May Weather28°C (82°F)106 mm (4.2 inches)62%extreme
June Weather27°C (81°F)172 mm (6.8 inches)63%extreme
July Weather27°C (81°F)122 mm (4.8 inches)66%extreme
August Weather27°C (81°F)130 mm (5.1 inches)73%extreme
September Weather27°C (81°F)139 mm (5.5 inches)82%extreme
October Weather26°C (79°F)219 mm (8.6 inches)86%extreme
November Weather24°C (76°F)138 mm (5.5 inches)87%very high
December Weather23°C (74°F)65 mm (2.6 inches)87%very high

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