Helena Longest Rain Streaks
What's the most days it has rained in a row in Helena history? This page shows the most consecutive days with precipitation (rain or snow) in
Helena, Montana from 1893–2024.
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Longest Streak: 12 Days
Between Feb 20 – Mar 3, 1919, there was at least 0.01 inches of rain or 0.1 inches of snow recorded each day in Helena.
# Days
When
12
Feb 20 – Mar 3, 1919
11
Jun 10–20, 1998
11
Dec 4–14, 1917
11
Jun 10–20, 1913
11
Jan 6–16, 1911
11
May 29 – Jun 8, 1908
10
May 20–29, 2010
10
Aug 15–24, 1975
10
Jun 12–21, 1944
10
May 29 – Jun 7, 1925
9
May 19–27, 1987
9
Jan 12–20, 1962
9
Feb 18–26, 1936
9
Jan 8–16, 1930
9
Jul 24 – Aug 1, 1915
8
Feb 23 – Mar 2, 2019
8
May 22–29, 2013
8
May 16–23, 2004
8
May 15–22, 1994
8
Dec 17–24, 1990
Weather Station Details
Years
Station
Coordinates
1939–2024
Helena Regional Airport
location
1893–1938
Helna
location