Santa Monica Rainfall Forecast

Today 17 May
10%
Mon 18 May
10%
Tue 19 May
10%
Wed 20 May
30%
Thu 21 May
50%
Fri 22 May
55%
Sat 23 May
55%

Santa Monica Rainfall Statistics

May Rainfall

Harlingen, Rio Grande Valley International Airport (9.3 miles)

Total Rainfall 2026
4in
Daily Average 2026
0.03in
Wettest Day 5 April, 2026
1.8in
Wet Days 2026
15/137 (11%)
Total Rainfall April
2.9in
Daily Average April
0.1in
Wettest Day 5 April, 2026
1.8in
Wet Days April
8/30 (27%)
Total Rainfall May
0.8in
Daily Average May
0.1in
Wettest Day 9 May, 2026
0.7in
Wet Days May
3/17 (18%)

Climate (2010–Present)

Harlingen, Rio Grande Valley International Airport (9.3 miles)

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Annual Average 2021–2025
32.4in
Monthly Average 2021–2026
2.7in
Daily Average 2021–2026
0.1in
Wettest Day 27 March, 2025
14in

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