Best Time to Visit San Antonio: Month-by-Month Guide

Best months for San Antonio: January, February, December.

  • Best months for San Antonio: January, February, December.
  • Peak season is January, February, December. Expect higher prices and more visitors (estimated from the climate, not from visitor counts).
  • Shoulder season: March, April, November. Good weather without the busiest period.
  • Wettest months: July, August, September.
  • The least pleasant month is May (score 5.6).

Year at a glance

29° 23° J 30° 24° F 31° 25° M 31° 26° A 31° 27° M 30° 26° J 29° 26° J 28° 26° A 29° 26° S 30° 26° O 30° 25° N 29° 24° D Rainy days

Weather by month

MonthAvg highAvg lowRainfall Rainy daysHumiditySunshine Score
January 29°C23°C13 mm 3– – 8.7
February 30°C24°C20 mm 3– – 8.5
March 31°C25°C29 mm 5– – 8.0
April 31°C26°C44 mm 10– – 7.1
May 31°C27°C217 mm 23– – 5.6
June 30°C26°C403 mm 27– – 5.9
July 29°C26°C623 mm 29– – 6.1
August 28°C26°C621 mm 29– – 6.1
September 29°C26°C434 mm 28– – 6.1
October 30°C26°C223 mm 21– – 5.9
November 30°C25°C88 mm 10– – 7.4
December 29°C24°C58 mm 7– – 8.1

Frequently asked questions

When is the best time to visit San Antonio?

The best months are January, February, December.

When is the rainy season in San Antonio?

The wettest months are July, August, September.