Boise Rainfall Forecast

Today 17 May
95%
Sun 18 May
80%
Mon 19 May
5%
Tue 20 May
5%
Wed 21 May
No Rain
Thu 22 May
10%
Fri 23 May
5%

Boise Rainfall Statistics

May Rainfall

Boise Air Terminal (3.1 miles)

Total Rainfall 2025
5.8in
Daily Average 2025
0.04in
Wettest Day 2 February, 2025
0.9in
Wet Days 2025
42/137 (31%)
Total Rainfall April
0.4in
Daily Average April
0.01in
Wettest Day 27 April, 2025
0.1in
Wet Days April
6/30 (20%)
Total Rainfall May
0.4in
Daily Average May
0.03in
Wettest Day 3 May, 2025
0.4in
Wet Days May
2/17 (12%)

Climate (2010–Present)

Boise Air Terminal (3.1 miles)

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Annual Average 2020–2024
13.4in
Monthly Average 2020–2025
1.1in
Daily Average 2020–2025
0.04in
Wettest Day 26 August, 2023
1.5in

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