Global temperature, Dec 2008

Global anomaly+0.54°C1951–1980

Rank among all Decs22 / 146warmest first

N. Hemisphere+0.65°C

S. Hemisphere+0.43°C

vs same month last year+0.04°C

CO₂ (Mauna Loa)385.79 ppm

All months of 2008

Jan+0.30°C

Feb+0.38°C

Mar+0.75°C

Apr+0.54°C

May+0.50°C

Jun+0.50°C

Jul+0.60°C

Aug+0.45°C

Sep+0.60°C

Oct+0.67°C

Nov+0.69°C

Dec ◀+0.54°C

This month+0.54°C

Same month, previous year+0.50°C

Same month 10 years earlier+0.55°C

Same month 50 years earlier+0.01°C

Dec average 1991–2020+0.60°C

Warmest Dec on record (2023)+1.36°C

Year	Global	NH	SH	Rank
1998	+0.55°C	+0.74°C	+0.35°C	21
1999	+0.40°C	+0.66°C	+0.14°C	33
2000	+0.28°C	+0.27°C	+0.28°C	41
2001	+0.55°C	+0.65°C	+0.45°C	20
2002	+0.44°C	+0.43°C	+0.47°C	29
2003	+0.75°C	+0.98°C	+0.52°C	14
2004	+0.51°C	+0.44°C	+0.57°C	24
2005	+0.68°C	+0.83°C	+0.52°C	16
2006	+0.79°C	+1.15°C	+0.43°C	13
2007	+0.50°C	+0.77°C	+0.21°C	25
2008	+0.54°C	+0.65°C	+0.43°C	22
2009	+0.67°C	+0.67°C	+0.68°C	17
2010	+0.45°C	+0.52°C	+0.39°C	28
2011	+0.60°C	+0.87°C	+0.32°C	18
2012	+0.53°C	+0.45°C	+0.61°C	23
2013	+0.70°C	+0.84°C	+0.55°C	15
2014	+0.79°C	+1.11°C	+0.47°C	12
2015	+1.17°C	+1.54°C	+0.81°C	3
2016	+0.86°C	+1.04°C	+0.68°C	9
2017	+0.93°C	+1.37°C	+0.49°C	7
2018	+0.93°C	+1.10°C	+0.76°C	6

Rank 290 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.