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Climate · San Antonio

San Antonio in March

Warm and damp, as the days lengthen.

Typical weather, averaged over 30 years

March in San Antonio is warm: highs near 77°F, lows near 53°F. Rain falls on about two days a week, and the days lengthen by 50 minutes from the first week to the last.March in San Antonio is warm: highs near 25°C, lows near 12°C. Rain falls on about two days a week, and the days lengthen by 50 minutes from the first week to the last.

High
77°F25°Caverage
Low
53°F12°Caverage
Wet days
2a week · 32% of days
Daylight
11h 57mon average

Is March a good time to visit San Antonio?

Yes. March is one of San Antonio's best months (March, or November).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How March sits in the year

week by week

Temperature

Highs near 77°F in March, against 66°F to 99°F through the year.Highs near 25°C in March, against 19°C to 37°C through the year.

Chance of a wet day

32% of days in March, against 22% to 40% through the year.

Cloud cover

45% cover in March, against 31% to 50% through the year.

Daylight

11h 57m in March, against 10h 17m to 14h 00m through the year.

Week by week, lightly smoothed, with March shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side

  1. February70°21°low 46°low 8°2 wet days a weekRain on about two days a week.
  2. March77°25°low 53°low 12°2 wet days a weekRain on about two days a week.
  3. April83°28°low 60°low 16°2 wet days a weekRain on about two days a week.

Where San Antonio sits, in March

America/Chicago
this place
typical high in March 40°F4°C95°F35°C
Sunrise, mid-March
7:46 AMsets 7:43 PM
Above the sea
250 mlow-lying
Latitude
29.5°Nnorthern hemisphere
Nearest of ours
Houston322 km east

The land around San Antonio, shaded by its typical high in March, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in United States in March

high · low · wet days
See March on the planning mapThe whole year in San Antonio

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest San Antonio. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.