Gray Whale Cove State Beach (Devils Slide) Rainfall Forecast

Today 12 Apr
75%
Mon 13 Apr
15%
Tue 14 Apr
No Rain
Wed 15 Apr
5%
Thu 16 Apr
No Rain
Fri 17 Apr
No Rain
Sat 18 Apr
No Rain

Gray Whale Cove State Beach (Devils Slide) Rainfall Statistics

April Rainfall

Half Moon Bay Airport (3.1 miles)

Total Rainfall 2026
5.5in
Daily Average 2026
0.1in
Wettest Day 16 February, 2026
1.1in
Wet Days 2026
25/102 (25%)
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
0.9in
Daily Average April
0.1in
Wettest Day 10 April, 2026
0.7in
Wet Days April
3/12 (25%)

Climate (2010–Present)

Half Moon Bay Airport (3.1 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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