Earliest and Latest Days of 20° C in Lohja

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

Also see:

Earliest 20 degree day in Lohja?

The earliest in the year that Lohja, Finland had a high temperature of at least 20 °C is April 20 which happened in 2000.

Latest 20 degree day in Lohja?

The latest in the year that Lohja, 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 20	2000	21.0 °C
April 24	2019	20.7 °C
April 24	2000	23.2 °C
April 24	1995	22.0 °C
April 26	1986	20.7 °C
April 26	1980	21.2 °C
April 27	2019	21.3 °C
April 27	2009	20.2 °C
April 27	1993	23.0 °C
April 27	1986	21.0 °C
April 28	1998	22.0 °C
April 28	1986	20.3 °C
April 29	1998	23.4 °C
April 30	2008	21.7 °C
April 30	1998	21.7 °C
May 1	1998	21.0 °C
May 1	1993	21.1 °C
May 1	1987	20.4 °C
May 1	1984	20.0 °C
May 2	2008	21.1 °C
May 2	1998	21.8 °C
May 2	1993	21.1 °C
May 2	1959	20.4 °C

Latest Days ≥ 20 °C

Date	Year	Temperature
September 23	2006	20.3 °C
September 22	2023	21.3 °C
September 22	2006	20.7 °C
September 21	2018	20.4 °C
September 18	1975	20.5 °C
September 14	2006	20.4 °C
September 13	2006	20.9 °C
September 13	1969	20.4 °C
September 12	2006	20.5 °C
September 12	2002	20.7 °C
September 11	2023	20.2 °C
September 11	2006	20.0 °C
September 11	1972	21.3 °C
September 10	2023	21.0 °C
September 10	2019	22.3 °C
September 10	2002	20.3 °C
September 10	1972	20.6 °C
September 9	2021	20.3 °C
September 9	2018	21.1 °C
September 9	2009	21.1 °C
September 9	2002	22.5 °C
September 9	1999	21.5 °C