Global temperature, Jan 1946

Global anomaly+0.15°C1951–1980

Rank among all Jans54 / 147warmest first

N. Hemisphere+0.35°C

S. Hemisphere−0.03°C

vs same month last year+0.05°C

CO₂ (Mauna Loa)–

All months of 1946

Jan ◀+0.15°C

Feb+0.03°C

Mar+0.01°C

Apr+0.06°C

May−0.07°C

Jun−0.21°C

Jul−0.12°C

Aug−0.20°C

Sep−0.07°C

Oct−0.08°C

Nov−0.06°C

Dec−0.31°C

This month+0.15°C

Same month, previous year+0.10°C

Same month 10 years earlier−0.28°C

Same month 50 years earlier−0.23°C

Jan average 1991–2020+0.63°C

Warmest Jan on record (2025)+1.38°C

Year	Global	NH	SH	Rank
1936	−0.28°C	−0.29°C	−0.26°C	117
1937	−0.08°C	+0.08°C	−0.24°C	86
1938	+0.08°C	+0.35°C	−0.19°C	64
1939	−0.06°C	+0.02°C	−0.15°C	82
1940	−0.01°C	−0.11°C	+0.11°C	75
1941	+0.17°C	+0.17°C	+0.19°C	52
1942	+0.29°C	+0.39°C	+0.18°C	44
1943	−0.01°C	−0.10°C	+0.06°C	74
1944	+0.36°C	+0.62°C	+0.08°C	36
1945	+0.10°C	+0.12°C	+0.10°C	60
1946	+0.15°C	+0.35°C	−0.03°C	54
1947	−0.07°C	−0.04°C	−0.08°C	83
1948	+0.06°C	+0.30°C	−0.18°C	69
1949	+0.06°C	+0.23°C	−0.10°C	68
1950	−0.26°C	−0.29°C	−0.24°C	113
1951	−0.34°C	−0.36°C	−0.34°C	123
1952	+0.11°C	+0.16°C	+0.07°C	58
1953	+0.07°C	+0.23°C	−0.09°C	66
1954	−0.24°C	−0.24°C	−0.24°C	109
1955	+0.13°C	+0.43°C	−0.17°C	56
1956	−0.13°C	−0.04°C	−0.23°C	93

Rank 607 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.