Earliest and Latest Days of 20° C in Hyvinkää

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

Also see:

Earliest 20 degree day in Hyvinkää?

The earliest in the year that Hyvinkää, Finland had a high temperature of at least 20 °C is April 15 which happened in 2007.

Latest 20 degree day in Hyvinkää?

The latest in the year that Hyvinkää, Finland had a high temperature of at least 20 °C is September 30 which happened in 2011.

Earliest Days ≥ 20 °C

Date	Year	Temperature
April 15	2007	20.4 °C
April 16	2007	21.5 °C
April 20	2000	21.6 °C
April 20	1999	20.0 °C
April 21	2003	20.3 °C
April 21	2000	20.0 °C
April 22	2003	20.8 °C
April 23	2019	20.1 °C
April 24	2019	21.1 °C
April 24	2001	21.0 °C
April 24	2000	24.2 °C
April 24	1995	23.8 °C
April 25	2019	20.9 °C
April 25	2011	21.6 °C
April 25	2009	20.6 °C
April 25	2000	20.0 °C
April 26	2011	20.0 °C
April 26	1980	21.0 °C
April 27	2019	21.2 °C
April 27	2009	21.1 °C
April 27	1993	23.5 °C
April 27	1986	21.7 °C

Latest Days ≥ 20 °C

Date	Year	Temperature
September 30	2011	21.3 °C
September 27	2020	21.7 °C
September 26	2020	20.7 °C
September 24	2020	22.0 °C
September 23	2006	23.0 °C
September 22	2023	21.7 °C
September 22	2006	21.8 °C
September 21	2023	20.6 °C
September 21	2018	20.8 °C
September 21	1988	20.5 °C
September 21	1982	20.0 °C
September 20	2018	20.2 °C
September 19	2018	20.4 °C
September 19	2001	21.0 °C
September 18	2001	20.9 °C
September 18	1975	21.1 °C
September 17	2001	21.2 °C
September 14	2006	20.6 °C
September 14	1998	20.5 °C
September 13	2013	20.2 °C
September 13	2006	22.8 °C
September 13	2002	20.3 °C
September 13	1998	20.5 °C
September 13	1969	21.8 °C