Earliest and Latest Days of 20° C in Haapavesi

This is a list of the earliest and latest days in the year with a high temperature of at least 20 °C in Haapavesi, Finland history. It is based on NOAA data from the years 1959–2024.

Also see:

Earliest 20 degree day in Haapavesi?

The earliest in the year that Haapavesi, Finland had a high temperature of at least 20 °C is April 16 which happened in 2007.

Latest 20 degree day in Haapavesi?

The latest in the year that Haapavesi, Finland had a high temperature of at least 20 °C is September 23 which happened in 2006.

Earliest Days ≥ 20 °C

Date	Year	Temperature
April 16	2007	20.1 °C
April 23	2019	21.4 °C
April 24	2019	20.6 °C
April 25	2019	20.0 °C
April 25	2001	20.0 °C
April 26	2019	20.6 °C
April 30	2008	20.2 °C
April 30	1998	21.6 °C
May 1	2008	21.0 °C
May 1	1993	20.9 °C
May 2	2008	22.5 °C
May 2	1993	21.9 °C
May 2	1959	20.6 °C
May 3	2008	23.2 °C
May 3	2004	21.8 °C
May 3	1993	20.1 °C
May 3	1959	21.2 °C
May 4	2008	22.1 °C
May 4	2006	20.2 °C
May 5	2006	21.9 °C
May 5	2004	20.4 °C
May 5	1986	22.4 °C

Latest Days ≥ 20 °C

Date	Year	Temperature
September 23	2006	21.0 °C
September 22	2023	21.6 °C
September 19	2001	20.0 °C
September 18	2001	20.6 °C
September 15	2009	20.3 °C
September 13	2015	20.0 °C
September 13	2006	22.1 °C
September 12	2023	22.3 °C
September 12	2015	21.2 °C
September 12	1972	21.2 °C
September 11	2019	20.8 °C
September 11	2015	21.1 °C
September 11	2003	20.0 °C
September 11	1972	20.7 °C
September 10	2014	22.0 °C
September 10	2003	21.3 °C
September 9	2023	23.2 °C
September 9	2014	21.6 °C
September 9	2013	20.8 °C
September 9	2003	22.2 °C