Global temperature, Apr 2009

Global anomaly+0.61°C1951–1980

Rank among all Aprs20 / 147warmest first

N. Hemisphere+0.70°C

S. Hemisphere+0.51°C

vs same month last year+0.07°C

CO₂ (Mauna Loa)389.76 ppm

All months of 2009

Jan+0.65°C

Feb+0.53°C

Mar+0.53°C

Apr ◀+0.61°C

May+0.65°C

Jun+0.63°C

Jul+0.74°C

Aug+0.69°C

Sep+0.72°C

Oct+0.65°C

Nov+0.80°C

Dec+0.67°C

This month+0.61°C

Same month, previous year+0.54°C

Same month 10 years earlier+0.32°C

Same month 50 years earlier+0.16°C

Apr average 1991–2020+0.63°C

Warmest Apr on record (2024)+1.32°C

Year	Global	NH	SH	Rank
1999	+0.32°C	+0.54°C	+0.10°C	36
2000	+0.56°C	+0.88°C	+0.23°C	23
2001	+0.50°C	+0.60°C	+0.41°C	29
2002	+0.58°C	+0.51°C	+0.65°C	22
2003	+0.55°C	+0.61°C	+0.50°C	25
2004	+0.61°C	+0.70°C	+0.51°C	21
2005	+0.67°C	+0.93°C	+0.41°C	17
2006	+0.47°C	+0.60°C	+0.34°C	30
2007	+0.77°C	+1.07°C	+0.47°C	13
2008	+0.54°C	+0.65°C	+0.42°C	26
2009	+0.61°C	+0.70°C	+0.51°C	20
2010	+0.85°C	+1.14°C	+0.56°C	10
2011	+0.64°C	+0.83°C	+0.45°C	18
2012	+0.73°C	+1.06°C	+0.39°C	16
2013	+0.53°C	+0.67°C	+0.39°C	27
2014	+0.81°C	+1.10°C	+0.52°C	12
2015	+0.75°C	+1.02°C	+0.48°C	15
2016	+1.09°C	+1.47°C	+0.71°C	5
2017	+0.94°C	+1.19°C	+0.68°C	8
2018	+0.88°C	+0.97°C	+0.79°C	9
2019	+1.01°C	+1.25°C	+0.77°C	6

Rank 243 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.