Earliest and Latest Days at or Below 0° C in Reykjavík

This is a list of the earliest and latest days in a winter season where the low temperature fell to at least 0 °C in Reykjavík, Iceland history. It is based on NOAA data from the years 1949–2024.

Earliest freezing temperature in Reykjavík?

The earliest in a winter season that Reykjavík, Iceland has recorded a low temperature of 0 °C or below is August 2 which happened in 2023.

Latest freezing temperature in Reykjavík?

The latest in a winter season that Reykjavík, Iceland has recorded a low temperature of 0 °C or below is June 7 which has happened twice, most recently in 1997.

Earliest Days ≤ 0 °C

Date	Year	Temperature
August 2	2023	-0.1 °C
August 27	1956	-0.4 °C
September 3	1992	0.0 °C
September 4	1982	-1.6 °C
September 8	1972	0.0 °C
September 10	1965	-0.5 °C
September 11	1962	-1.0 °C
September 12	1956	-0.8 °C
September 13	1997	-1.7 °C
September 14	1994	-0.3 °C
September 14	1979	-1.4 °C
September 15	1957	-0.9 °C
September 15	1954	0.0 °C
September 16	1954	0.0 °C
September 17	2007	-1.1 °C
September 17	1952	-1.7 °C
September 18	1997	-1.8 °C
September 19	2000	-0.6 °C
September 19	1964	-0.4 °C
September 19	1950	-0.2 °C

Latest Days ≤ 0 °C

Date	Year	Temperature
June 7	1997	-0.7 °C
June 7	1977	-0.2 °C
June 6	1975	-0.6 °C
June 4	1975	-0.2 °C
June 3	1952	-0.7 °C
June 2	1975	-0.5 °C
June 2	1952	-0.2 °C
June 1	2021	0.0 °C
May 31	2000	-1.7 °C
May 30	1985	-0.5 °C
May 30	1962	-0.7 °C
May 29	2019	-0.2 °C
May 29	1949	0.0 °C
May 28	1980	-0.2 °C
May 27	2007	-0.4 °C
May 27	1949	0.0 °C
May 26	2007	-0.6 °C
May 26	1949	-1.7 °C
May 25	2006	-1.3 °C
May 25	1961	-0.1 °C
May 25	1949	-0.4 °C