Temperatures in March
It's warm in March in San Antonio with an average temperature of 25°C. Temperatures this month range from a low of 21°C to a high of 28°C. At night, you can expect temperatures between 9°C and 16°C.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for San Antonio in March. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of March
The month of March starts in San Antonio with warm temperatures, averaging around 23°C during the day and nights close to 12°C. A few showers might pop up in the first days of the month, but the weather remains mostly sunny and dry.
Mid-March
By mid-March, the average daytime temperature rises to around 25°C, with nights close to 13°C. Not much precipitation expected during this period. It’s mostly dry with sunshine.
End of March
By the end of March, the average daytime temperature in San Antonio will be around 27°C, with nights close to 15°C. A shower might show up, but overall the weather will be dry and sunny.
As it gets cooler in the evening, it’s best to wear layers.
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Precipitation in March
In March, there is an average of 45 mm of precipitation, spread over 6 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
The precipitation chance averages 18% per day this month. Though that seems low, there are also a few days with a higher chance of precipitation.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in March for San Antonio. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
San Antonio in March |
London | ||
|---|---|---|---|
 Average Temperature |
25°C | 11°C | |
 High Temp |
28°C | 14°C | |
| Low Temp |
21°C | 8°C | |
 Total Precipitation |
45 mm | 55 mm | |
| Rainy Days |
6 days | 9 days | |
February
UV index
The UV index is a maximum of 7 this month. That's a moderate to high value on the intensity scale of 1 to 11. Unprotected skin can burn within 15-25 minutes.
Is March a good time to visit San Antonio?
Want nice weather? Then March is a great time to be in San Antonio. You’ll have pleasant temperatures and not too much rain this month.
Temperature records for San Antonio in March
With 34°C, San Antonio hit the highest temperature in the last 10 years in March 2014. The lowest daytime temperature in this month was 4°C in 2019. The extreme night temperatures ranged from a low of -3°C to a high of 22°C.
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Daily Temperature in March in San Antonio
This chart shows the average daily temperatures, both day and night, for each day in March in San Antonio, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in March in San Antonio
The chart below shows the average daily precipitation in March for San Antonio, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for March, you can expect around 6 days of rain in San Antonio.
Daily UV Index in March in San Antonio
This chart shows the average daily UV index in March in San Antonio, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Temperature in March in San Antonio Over the Years
This chart shows the average temperature in March in San Antonio, measured in degrees Celsius, over the past years.
Total Precipitation in March in San Antonio Over the Years
This chart shows the average precipitation in March in San Antonio, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in March for San Antonio
Click on a specific day in March for detailed info on the typical weather on that day in San Antonio. Check out the historical temperatures and precipitation over the past 10 years on this day.
Weather experiences in March in San Antonio
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Average Weather in San Antonio by Month
Click on a month below to see detailed weather info for San Antonio. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.
Or check out the climate of San Antonio for all months at once
