Global temperature, Dec 1958

Global anomaly+0.01°C1951–1980

Rank among all Decs63 / 146warmest first

N. Hemisphere+0.18°C

S. Hemisphere−0.15°C

vs same month last year−0.14°C

CO₂ (Mauna Loa)314.67 ppm

All months of 1958

Jan+0.39°C

Feb+0.22°C

Mar+0.08°C

Apr+0.01°C

May+0.06°C

Jun−0.09°C

Jul+0.05°C

Aug−0.05°C

Sep−0.03°C

Oct+0.04°C

Nov+0.02°C

Dec ◀+0.01°C

This month+0.01°C

Same month, previous year+0.15°C

Same month 10 years earlier−0.24°C

Same month 50 years earlier−0.50°C

Dec average 1991–2020+0.60°C

Warmest Dec on record (2023)+1.36°C

Year	Global	NH	SH	Rank
1948	−0.24°C	−0.39°C	−0.08°C	113
1949	−0.18°C	−0.14°C	−0.23°C	104
1950	−0.22°C	−0.13°C	−0.32°C	110
1951	+0.15°C	+0.38°C	−0.06°C	53
1952	−0.02°C	+0.01°C	−0.04°C	66
1953	+0.05°C	+0.23°C	−0.12°C	60
1954	−0.18°C	−0.11°C	−0.27°C	103
1955	−0.28°C	−0.28°C	−0.29°C	118
1956	−0.06°C	−0.11°C	−0.03°C	80
1957	+0.15°C	+0.24°C	+0.06°C	52
1958	+0.01°C	+0.18°C	−0.15°C	63
1959	±0.00°C	+0.10°C	−0.10°C	64
1960	+0.19°C	+0.40°C	−0.02°C	48
1961	−0.16°C	−0.17°C	−0.16°C	99
1962	−0.03°C	+0.10°C	−0.15°C	69
1963	−0.03°C	+0.03°C	−0.08°C	68
1964	−0.30°C	−0.27°C	−0.33°C	121
1965	−0.08°C	−0.08°C	−0.07°C	87
1966	−0.03°C	−0.03°C	−0.02°C	67
1967	−0.05°C	+0.02°C	−0.12°C	75
1968	−0.14°C	−0.33°C	+0.05°C	95

Rank 825 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.