Global temperature, Jan 2025

Global anomaly+1.38°C1951–1980

Rank among all Jans1 / 147warmest first

N. Hemisphere+1.85°C

S. Hemisphere+0.90°C

vs same month last year+0.13°C

CO₂ (Mauna Loa)426.65 ppm

All months of 2025

Jan ◀+1.38°C

Feb+1.26°C

Mar+1.37°C

Apr+1.25°C

May+1.08°C

Jun+1.07°C

Jul+1.02°C

Aug+1.18°C

Sep+1.25°C

Oct+1.19°C

Nov+1.21°C

Dec+1.06°C

This month+1.38°C

Same month, previous year+1.25°C

Same month 10 years earlier+0.86°C

Same month 50 years earlier+0.10°C

Jan average 1991–2020+0.63°C

Warmest Jan on record (2025)+1.38°C

Year	Global	NH	SH	Rank
2015	+0.86°C	+1.19°C	+0.53°C	11
2016	+1.18°C	+1.56°C	+0.81°C	4
2017	+1.02°C	+1.39°C	+0.65°C	6
2018	+0.82°C	+1.13°C	+0.51°C	13
2019	+0.93°C	+1.19°C	+0.68°C	8
2020	+1.18°C	+1.59°C	+0.76°C	3
2021	+0.82°C	+1.26°C	+0.37°C	12
2022	+0.91°C	+1.24°C	+0.58°C	9
2023	+0.88°C	+1.29°C	+0.45°C	10
2024	+1.25°C	+1.67°C	+0.83°C	2
2025	+1.38°C	+1.85°C	+0.90°C	1
2026	+1.09°C	+1.40°C	+0.77°C	5

Rank 6 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.