Helmville Rainfall Forecast

Today 14 Dec
5%
Mon 15 Dec
55%
Tue 16 Dec
80%
Wed 17 Dec
95%
Thu 18 Dec
85%
Fri 19 Dec
75%
Sat 20 Dec
40%

Helmville Rainfall Statistics

December Rainfall

Helena Regional Airport (49.7 miles)

Total Rainfall 2025
13.3in
Daily Average 2025
0.04in
Wettest Day 14 May, 2025
1in
Wet Days 2025
104/348 (30%)
Total Rainfall November
0.4in
Daily Average November
0.02in
Wettest Day 28 November, 2025
0.2in
Wet Days November
6/30 (20%)
Total Rainfall December
0.2in
Daily Average December
0.02in
Wettest Day 11 December, 2025
0.1in
Wet Days December
7/14 (50%)

Climate (2010–Present)

Helena Regional Airport (49.7 miles)

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Annual Average 2020–2024
10.5in
Monthly Average 2020–2025
0.9in
Daily Average 2020–2025
0.03in
Wettest Day 22 September, 2023
1.3in

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