McAllen Rainfall Forecast

Today 18 May
30%
Tue 19 May
25%
Wed 20 May
25%
Thu 21 May
45%
Fri 22 May
70%
Sat 23 May
55%
Sun 24 May
55%

McAllen Rainfall Statistics

May Rainfall

McAllen, Miller International Airport (1.2 miles)

Total Rainfall 2026
6.2in
Daily Average 2026
0.05in
Wettest Day 5 April, 2026
3.2in
Wet Days 2026
14/138 (10%)
Total Rainfall April
4.7in
Daily Average April
0.2in
Wettest Day 5 April, 2026
3.2in
Wet Days April
10/30 (33%)
Total Rainfall May
1.4in
Daily Average May
0.1in
Wettest Day 9 May, 2026
1.2in
Wet Days May
3/18 (17%)

Climate (2010–Present)

McAllen, Miller International Airport (1.2 miles)

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Annual Average 2021–2025
22.7in
Monthly Average 2021–2026
1.9in
Daily Average 2021–2026
0.1in
Wettest Day 27 March, 2025
8.2in

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