Helena Rainfall Forecast

Today 20 Aug
No Rain
Fri 21 Aug
No Rain
Sat 22 Aug
30%
Sun 23 Aug
30%
Mon 24 Aug
10%
Tue 25 Aug
10%
Wed 26 Aug
15%

Helena Rainfall Statistics

August Rainfall

Helena Regional Airport (1.9 miles)

Total Rainfall 2026
9.1in
Daily Average 2026
0.04in
Wettest Day 30 May, 2026
1in
Wet Days 2026
55/232 (24%)
Total Rainfall July
0.9in
Daily Average July
0.03in
Wettest Day 1 July, 2026
0.4in
Wet Days July
5/31 (16%)
Total Rainfall August
0.6in
Daily Average August
0.03in
Wettest Day 13 August, 2026
0.3in
Wet Days August
4/20 (20%)

Climate (2021–2025)

Helena Regional Airport (1.9 miles)

Take a look at our website widgetsAvailable free! Find Out More

Annual Average 2021–2025
11.3in
Monthly Average 2021–2026
1in
Daily Average 2021–2026
0.03in
Wettest Day 22 September, 2023
1.3in

Get WillyWeather+ to remove ads