San Juan Island - Reef Point Rainfall Forecast

Today 2 Jan
80%
Sat 3 Jan
95%
Sun 4 Jan
85%
Mon 5 Jan
35%
Tue 6 Jan
90%
Wed 7 Jan
65%
Thu 8 Jan
30%

San Juan Island - Reef Point Rainfall Statistics

January Rainfall

Friday Harbor Airport (2.5 miles)

Total Rainfall 2026
–
Daily Average 2026
–
Wettest Day 3 January, 2026
–
Wet Days 2026
–
Total Rainfall December
6.7in
Daily Average December
0.2in
Wettest Day 10 December, 2025
1.8in
Wet Days December
23/31 (74%)
Total Rainfall January
–
Daily Average January
–
Wettest Day 3 January, 2026
–
Wet Days January
–

Climate (2010–Present)

Friday Harbor Airport (2.5 miles)

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Annual Average 2021–2025
20.6in
Monthly Average 2021–2025
1.7in
Daily Average 2021–2025
0.1in
Wettest Day 15 November, 2021
1.9in

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