Arroyo Rainfall Forecast

Today 4 Apr
60%
Sun 5 Apr
70%
Mon 6 Apr
50%
Tue 7 Apr
50%
Wed 8 Apr
40%
Thu 9 Apr
40%
Fri 10 Apr
40%

Arroyo Rainfall Statistics

April Rainfall

San Juan, Luis Munoz Marin International Airport (33.6 miles)

Total Rainfall 2026
15.1in
Daily Average 2026
0.2in
Wettest Day 8 February, 2026
1.7in
Wet Days 2026
54/94 (57%)
Total Rainfall March
6.7in
Daily Average March
0.2in
Wettest Day 22 March, 2026
1.6in
Wet Days March
22/31 (71%)
Total Rainfall April
0.01in
Daily Average April
0.01in
Wettest Day 1 April, 2026
0.01in
Wet Days April
1/4 (25%)

Climate (2010–Present)

San Juan, Luis Munoz Marin International Airport (33.6 miles)

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Annual Average 2021–2025
64.3in
Monthly Average 2021–2026
5.5in
Daily Average 2021–2026
0.2in
Wettest Day 27 October, 2023
5.2in

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