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

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 Oslo, Norway history. It is based on NOAA data from the years 1937–2024.

Earliest freezing temperature in Oslo?

The earliest in a winter season that Oslo, Norway has recorded a low temperature of 0 °C or below is September 15 which happened in 1938.

Latest freezing temperature in Oslo?

The latest in a winter season that Oslo, Norway has recorded a low temperature of 0 °C or below is May 19 which has happened twice, most recently in 1967.

Earliest Days ≤ 0 °C

Date	Year	Temperature
September 15	1938	-1.0 °C
September 16	1938	-2.0 °C
September 18	1993	-1.0 °C
September 22	1948	-2.0 °C
September 23	1952	-0.8 °C
September 24	1948	-0.2 °C
September 25	2018	-0.2 °C
September 25	1985	-0.5 °C
September 26	1986	-0.3 °C
September 26	1985	-0.4 °C
September 26	1970	-0.6 °C
September 26	1968	-1.9 °C
September 26	1957	-0.1 °C
September 27	1990	-2.0 °C
September 27	1986	-0.9 °C
September 27	1972	-1.2 °C
September 27	1966	0.0 °C
September 27	1939	-3.3 °C
September 28	1993	0.0 °C
September 28	1966	-1.5 °C
September 28	1954	-1.8 °C
September 28	1943	-0.1 °C

Latest Days ≤ 0 °C

Date	Year	Temperature
May 19	1967	-0.1 °C
May 19	1965	0.0 °C
May 18	1941	-0.2 °C
May 17	1941	-1.1 °C
May 16	1996	-0.1 °C
May 15	1941	-0.1 °C
May 14	2020	-0.2 °C
May 14	1940	-0.5 °C
May 13	2020	-1.7 °C
May 13	1955	-1.2 °C
May 13	1940	-1.9 °C
May 12	2020	-0.3 °C
May 12	1941	-0.1 °C
May 12	1940	-0.9 °C
May 11	2020	-1.4 °C
May 11	2010	-1.5 °C
May 11	1992	-0.3 °C
May 11	1978	-0.2 °C
May 11	1958	0.0 °C
May 11	1955	-0.6 °C
May 11	1938	-0.9 °C