Global temperature, Jun 1999

Global anomaly+0.36°C1951–1980

Rank among all Juns35 / 147warmest first

N. Hemisphere+0.35°C

S. Hemisphere+0.37°C

vs same month last year−0.41°C

CO₂ (Mauna Loa)370.46 ppm

All months of 1999

Jan+0.48°C

Feb+0.64°C

Mar+0.33°C

Apr+0.32°C

May+0.26°C

Jun ◀+0.36°C

Jul+0.39°C

Aug+0.31°C

Sep+0.39°C

Oct+0.34°C

Nov+0.37°C

Dec+0.40°C

This month+0.36°C

Same month, previous year+0.77°C

Same month 10 years earlier+0.15°C

Same month 50 years earlier−0.27°C

Jun average 1991–2020+0.58°C

Warmest Jun on record (2024)+1.23°C

Year	Global	NH	SH	Rank
1989	+0.15°C	+0.24°C	+0.07°C	45
1990	+0.37°C	+0.48°C	+0.28°C	34
1991	+0.53°C	+0.47°C	+0.59°C	26
1992	+0.26°C	+0.04°C	+0.48°C	40
1993	+0.23°C	+0.22°C	+0.24°C	41
1994	+0.43°C	+0.41°C	+0.45°C	31
1995	+0.43°C	+0.50°C	+0.36°C	30
1996	+0.26°C	+0.25°C	+0.28°C	39
1997	+0.55°C	+0.49°C	+0.61°C	23
1998	+0.77°C	+0.73°C	+0.81°C	12
1999	+0.36°C	+0.35°C	+0.37°C	35
2000	+0.40°C	+0.44°C	+0.35°C	32
2001	+0.53°C	+0.51°C	+0.54°C	25
2002	+0.53°C	+0.68°C	+0.38°C	24
2003	+0.48°C	+0.54°C	+0.42°C	28
2004	+0.44°C	+0.47°C	+0.42°C	29
2005	+0.65°C	+0.78°C	+0.52°C	19
2006	+0.67°C	+0.81°C	+0.53°C	17
2007	+0.61°C	+0.65°C	+0.56°C	22
2008	+0.50°C	+0.61°C	+0.38°C	27
2009	+0.63°C	+0.66°C	+0.61°C	20

Rank 407 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.