Half Moon Bay - Princeton Rainfall Forecast

Today 4 Jan
90%
Mon 5 Jan
75%
Tue 6 Jan
15%
Wed 7 Jan
15%
Thu 8 Jan
5%
Fri 9 Jan
No Rain
Sat 10 Jan
No Rain

Half Moon Bay - Princeton Rainfall Statistics

January Rainfall

Half Moon Bay Airport (0.6 miles)

Total Rainfall 2026
0.2in
Daily Average 2026
0.1in
Wettest Day 1 January, 2026
0.2in
Wet Days 2026
2/4 (50%)
Total Rainfall December
2.1in
Daily Average December
0.1in
Wettest Day 22 December, 2025
1in
Wet Days December
9/31 (29%)
Total Rainfall January
0.2in
Daily Average January
0.1in
Wettest Day 1 January, 2026
0.2in
Wet Days January
2/4 (50%)

Climate (2010–Present)

Half Moon Bay Airport (0.6 miles)

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

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