Most Monthly Precipitation in Seinäjoki History

This is a list of the largest monthly precipitation totals ever recorded in Seinäjoki, Finland history from 1959–2024.

What Was the Wettest Month in Seinäjoki History?

According to NOAA records, the most precipitation that Seinäjoki, Finland has ever received in a single month is 25.5 cm which occurred in August 1967.

Seinäjoki Most Rain in One Month

Rank	Precipitation	Month
1	25.5 cm	August 1967
2	18.3 cm	August 2022
3	17.6 cm	August 2016
4	15.5 cm	August 2011
5	15.3 cm	July 1979
6	14.7 cm	June 1991
7	14.5 cm	July 1998
8	13.9 cm	July 2005
9	13.8 cm	August 2023
10	13.7 cm	July 1984
11	12.8 cm	August 2021
12	12.4 cm	July 1960
13	12.3 cm	September 2004
14	12.2 cm	August 1993
15	12.2 cm	August 2014
16	12.1 cm	July 1970
17	11.9 cm	July 1974
18	11.9 cm	September 1997
19	11.7 cm	July 2023
20	11.6 cm	July 2011