Global temperature, May 1987

Global anomaly+0.26°C1951–1980

Rank among all Mays43 / 147warmest first

N. Hemisphere+0.23°C

S. Hemisphere+0.29°C

vs same month last year+0.05°C

CO₂ (Mauna Loa)352.15 ppm

All months of 1987

Jan+0.32°C

Feb+0.43°C

Mar+0.18°C

Apr+0.24°C

May ◀+0.26°C

Jun+0.35°C

Jul+0.40°C

Aug+0.25°C

Sep+0.35°C

Oct+0.33°C

Nov+0.29°C

Dec+0.46°C

This month+0.26°C

Same month, previous year+0.21°C

Same month 10 years earlier+0.33°C

Same month 50 years earlier−0.06°C

May average 1991–2020+0.58°C

Warmest May on record (2024)+1.16°C

Year	Global	NH	SH	Rank
1977	+0.33°C	+0.23°C	+0.42°C	36
1978	+0.09°C	−0.06°C	+0.24°C	59
1979	+0.03°C	+0.01°C	+0.06°C	66
1980	+0.35°C	+0.26°C	+0.44°C	32
1981	+0.25°C	+0.18°C	+0.31°C	44
1982	+0.18°C	+0.09°C	+0.27°C	48
1983	+0.34°C	+0.05°C	+0.63°C	34
1984	+0.33°C	+0.23°C	+0.42°C	35
1985	+0.15°C	+0.09°C	+0.20°C	53
1986	+0.21°C	+0.19°C	+0.23°C	46
1987	+0.26°C	+0.23°C	+0.29°C	43
1988	+0.44°C	+0.43°C	+0.45°C	28
1989	+0.18°C	+0.22°C	+0.13°C	47
1990	+0.46°C	+0.50°C	+0.41°C	27
1991	+0.34°C	+0.33°C	+0.35°C	33
1992	+0.31°C	+0.19°C	+0.44°C	37
1993	+0.28°C	+0.32°C	+0.26°C	39
1994	+0.28°C	+0.39°C	+0.17°C	38
1995	+0.27°C	+0.42°C	+0.13°C	41
1996	+0.27°C	+0.35°C	+0.20°C	40
1997	+0.35°C	+0.42°C	+0.27°C	31

Rank 492 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.