Global temperature, Aug 1991

Global anomaly+0.39°C1951–1980

Rank among all Augs32 / 147warmest first

N. Hemisphere+0.35°C

S. Hemisphere+0.43°C

vs same month last year+0.05°C

CO₂ (Mauna Loa)353.97 ppm

All months of 1991

Jan+0.43°C

Feb+0.50°C

Mar+0.36°C

Apr+0.51°C

May+0.34°C

Jun+0.53°C

Jul+0.48°C

Aug ◀+0.39°C

Sep+0.44°C

Oct+0.29°C

Nov+0.30°C

Dec+0.32°C

This month+0.39°C

Same month, previous year+0.34°C

Same month 10 years earlier+0.35°C

Same month 50 years earlier+0.14°C

Aug average 1991–2020+0.58°C

Warmest Aug on record (2026)+1.40°C

Year	Global	NH	SH	Rank
1981	+0.35°C	+0.16°C	+0.53°C	35
1982	+0.03°C	−0.07°C	+0.15°C	62
1983	+0.36°C	+0.25°C	+0.46°C	34
1984	+0.19°C	+0.05°C	+0.33°C	43
1985	+0.17°C	−0.02°C	+0.34°C	47
1986	+0.16°C	+0.04°C	+0.27°C	49
1987	+0.25°C	+0.27°C	+0.24°C	40
1988	+0.39°C	+0.26°C	+0.53°C	33
1989	+0.33°C	+0.26°C	+0.40°C	37
1990	+0.34°C	+0.41°C	+0.28°C	36
1991	+0.39°C	+0.35°C	+0.43°C	32
1992	+0.08°C	−0.07°C	+0.24°C	55
1993	+0.11°C	+0.02°C	+0.19°C	53
1994	+0.22°C	+0.32°C	+0.11°C	41
1995	+0.45°C	+0.54°C	+0.37°C	29
1996	+0.48°C	+0.18°C	+0.77°C	26
1997	+0.41°C	+0.48°C	+0.35°C	31
1998	+0.65°C	+0.72°C	+0.59°C	20
1999	+0.31°C	+0.30°C	+0.32°C	38
2000	+0.42°C	+0.47°C	+0.38°C	30
2001	+0.48°C	+0.68°C	+0.30°C	25

Rank 391 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.