South Farallon Islands - Southeast Rainfall Forecast

Today 9 Apr
55%
Fri 10 Apr
70%
Sat 11 Apr
95%
Sun 12 Apr
80%
Mon 13 Apr
10%
Tue 14 Apr
No Rain
Wed 15 Apr
No Rain

South Farallon Islands - Southeast Rainfall Statistics

April Rainfall

Half Moon Bay Airport (29.8 miles)

Total Rainfall 2026
4.7in
Daily Average 2026
0.05in
Wettest Day 16 February, 2026
1.1in
Wet Days 2026
24/99 (24%)
Total Rainfall March
0.1in
Daily Average March
0in
Wettest Day 31 March, 2026
0.1in
Wet Days March
2/31 (6%)
Total Rainfall April
0.2in
Daily Average April
0.03in
Wettest Day 1 April, 2026
0.2in
Wet Days April
2/9 (22%)

Climate (2010–Present)

Half Moon Bay Airport (29.8 miles)

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Annual Average 2021–2025
20.4in
Monthly Average 2021–2026
1.7in
Daily Average 2021–2026
0.1in
Wettest Day 24 October, 2021
3.5in

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