San Juan Rainfall Forecast

Today 7 Oct
50%
Thu 8 Oct
55%
Fri 9 Oct
35%
Sat 10 Oct
10%
Sun 11 Oct
10%
Mon 12 Oct
25%
Tue 13 Oct
15%

San Juan Rainfall Statistics

October Rainfall

McAllen, Miller International Airport (5 miles)

Total Rainfall 2026
16.6 in
Daily Average 2026
0.1 in
Wettest Day 5 April, 2026
3.2 in
Wet Days 2026
39/280 (14%)
Total Rainfall September
0.2 in
Daily Average September
0.01 in
Wettest Day 5 September, 2026
0.2 in
Wet Days September
2/30 (7%)
Total Rainfall October
4.2 in
Daily Average October
1.1 in
Wettest Day 2 October, 2026
2.4 in
Wet Days October
4/7 (57%)

Climate (2021–2025)

McAllen, Miller International Airport (5 miles)

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

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