San Antonio International Airport Rainfall Forecast

Today 15 May
No Rain
Sat 16 May
No Rain
Sun 17 May
10%
Mon 18 May
10%
Tue 19 May
35%
Wed 20 May
60%
Thu 21 May
60%

San Antonio International Airport Rainfall Statistics

May Rainfall

San Antonio, San Antonio International Airport (0 miles)

Total Rainfall 2026
12in
Daily Average 2026
0.1in
Wettest Day 20 April, 2026
4.4in
Wet Days 2026
25/135 (19%)
Total Rainfall April
7.5in
Daily Average April
0.2in
Wettest Day 20 April, 2026
4.4in
Wet Days April
12/30 (40%)
Total Rainfall May
2.6in
Daily Average May
0.2in
Wettest Day 1 May, 2026
2in
Wet Days May
4/15 (27%)

Climate (2010–Present)

San Antonio, San Antonio International Airport (0 miles)

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Annual Average 2021–2025
23.3in
Monthly Average 2021–2026
2in
Daily Average 2021–2026
0.1in
Wettest Day 12 June, 2025
6.1in

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