Global temperature, Oct 2023

Global anomaly+1.35°C1951–1980

Rank among all Octs2 / 146warmest first

N. Hemisphere+1.88°C

S. Hemisphere+0.83°C

vs same month last year+0.38°C

CO₂ (Mauna Loa)418.82 ppm

All months of 2023

Jan+0.88°C

Feb+0.97°C

Mar+1.23°C

Apr+0.99°C

May+0.94°C

Jun+1.09°C

Jul+1.19°C

Aug+1.19°C

Sep+1.48°C

Oct ◀+1.35°C

Nov+1.40°C

Dec+1.36°C

This month+1.35°C

Same month, previous year+0.97°C

Same month 10 years earlier+0.69°C

Same month 50 years earlier+0.10°C

Oct average 1991–2020+0.62°C

Warmest Oct on record (2024)+1.35°C

Year	Global	NH	SH	Rank
2013	+0.69°C	+0.83°C	+0.56°C	18
2014	+0.80°C	+0.93°C	+0.68°C	12
2015	+1.08°C	+1.29°C	+0.88°C	4
2016	+0.87°C	+1.03°C	+0.71°C	11
2017	+0.88°C	+1.03°C	+0.74°C	9
2018	+1.02°C	+1.23°C	+0.81°C	5
2019	+1.00°C	+1.29°C	+0.71°C	6
2020	+0.87°C	+1.20°C	+0.54°C	10
2021	+0.98°C	+1.29°C	+0.67°C	7
2022	+0.97°C	+1.32°C	+0.62°C	8
2023	+1.35°C	+1.88°C	+0.83°C	2
2024	+1.35°C	+1.75°C	+0.96°C	1
2025	+1.19°C	+1.49°C	+0.89°C	3

Rank 11 of all 1760 months on record. Temperatures are anomalies vs the 1951–1980 average (NASA GISTEMP v4); values can be revised later.