Global temperature, Mar 2021

Global anomaly+0.89°C1951–1980

Rank among all Mars12 / 147warmest first

N. Hemisphere+1.21°C

S. Hemisphere+0.57°C

vs same month last year−0.29°C

CO₂ (Mauna Loa)417.61 ppm

All months of 2021

Jan+0.82°C

Feb+0.64°C

Mar ◀+0.89°C

Apr+0.76°C

May+0.79°C

Jun+0.85°C

Jul+0.92°C

Aug+0.81°C

Sep+0.92°C

Oct+0.98°C

Nov+0.93°C

Dec+0.88°C

This month+0.89°C

Same month, previous year+1.18°C

Same month 10 years earlier+0.65°C

Same month 50 years earlier−0.18°C

Mar average 1991–2020+0.69°C

Warmest Mar on record (2024)+1.40°C

Year	Global	NH	SH	Rank
2011	+0.65°C	+0.89°C	+0.41°C	21
2012	+0.57°C	+0.69°C	+0.43°C	26
2013	+0.67°C	+0.82°C	+0.53°C	20
2014	+0.78°C	+1.20°C	+0.35°C	16
2015	+0.96°C	+1.32°C	+0.59°C	10
2016	+1.35°C	+1.89°C	+0.81°C	3
2017	+1.16°C	+1.51°C	+0.81°C	8
2018	+0.88°C	+1.18°C	+0.58°C	13
2019	+1.17°C	+1.55°C	+0.78°C	7
2020	+1.18°C	+1.67°C	+0.68°C	6
2021	+0.89°C	+1.21°C	+0.57°C	12
2022	+1.05°C	+1.41°C	+0.67°C	9
2023	+1.23°C	+1.64°C	+0.81°C	5
2024	+1.40°C	+1.78°C	+1.01°C	1
2025	+1.37°C	+1.84°C	+0.89°C	2
2026	+1.32°C	+1.62°C	+1.02°C	4

Rank 97 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.