Sumas Rainfall Forecast

Today 4 Aug
5%
Tue 5 Aug
45%
Wed 6 Aug
70%
Thu 7 Aug
65%
Fri 8 Aug
10%
Sat 9 Aug
No Rain
Sun 10 Aug
No Rain

Sumas Rainfall Statistics

August Rainfall

Bellingham, Bellingham International Airport (18.6 miles)

Total Rainfall 2025
15.1in
Daily Average 2025
0.1in
Wettest Day 23 March, 2025
1.2in
Wet Days 2025
68/216 (31%)
Total Rainfall July
0.3in
Daily Average July
0.01in
Wettest Day 9 July, 2025
0.3in
Wet Days July
2/31 (6%)
Total Rainfall August
0in
Daily Average August
0in
Wettest Day 1 August, 2025
0in
Wet Days August
–

Climate (2010–Present)

Bellingham, Bellingham International Airport (18.6 miles)

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Annual Average 2020–2024
35.5in
Monthly Average 2020–2025
2.9in
Daily Average 2020–2025
0.1in
Wettest Day 14 November, 2021
2.8in

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