Northern Hemisphere ice extent monthly 2024

As of March 2024, the Northern Hemisphere's sea ice reached an extent of 14.87 million square kilometers. In 1980, the sea ice extent was 16.04 million square kilometers during the same month. Sea ice is extensively prevalent in the Northern Hemisphere due to the large landmass.

Average monthly sea ice extent in the Northern Hemisphere from January 1980 to May 2024 (in million square kilometers)

Characteristic	1980	1985	1990	1995	2000	2005	2010	2015	2020	2021	2022	2023	2024
Dec	13.59	13.05	13.11	12.92	12.64	12.23	11.83	12.05	11.73	12.15	11.92	12	-
Nov	11.38	11.03	11.08	10.76	10.32	10.22	9.61	9.85	8.99	9.83	9.71	9.66	-
Oct	9.18	8.55	8.49	7.83	8.38	7.35	6.98	6.97	5.33	6.82	6.61	6.37	-
Sep	7.67	6.7	6.14	6.08	6.25	5.5	4.87	4.62	4	4.95	4.87	4.37	-
Aug	7.98	7.4	6.8	6.74	7.17	6.3	5.88	5.6	5.07	5.72	6	5.57	-
Jul	10.1	9.74	9.25	8.99	9.51	8.65	8.08	8.38	7.29	7.65	8.25	8.18	-
Jun	12.21	12.22	11.64	11.44	11.67	11.16	10.59	10.88	10.59	10.77	10.86	10.96	-
May	13.79	14.07	13.23	12.97	13.15	12.91	12.87	12.47	12.34	12.68	12.88	12.83	-
Apr	15.43	15.36	14.65	14.45	14.56	14.09	14.66	13.89	13.62	13.79	14.04	13.99	-
Mar	16.04	15.89	15.87	15.26	15.23	14.69	15.14	14.37	14.73	14.66	14.59	14.44	14.87
Feb	15.96	15.47	15.58	15.23	15.14	14.37	14.58	14.4	14.64	14.39	14.61	14.18	14.61
Jan	14.86	14.73	14.78	14.59	14.22	13.66	13.74	13.6	13.64	13.5	13.88	13.35	13.92

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Release date

April 2024

More information

Region

Worldwide

Survey time period

1980 to 2024

Supplementary notes

The figures were obtained from the following source:
Fetterer, F., K. Knowles, W. N. Meier, M. Savoie, and A. K. Windnagel. 2017, updated daily. Sea Ice Index, Version 3. [G02135]. Boulder, Colorado USA. NSIDC: National Snow and Ice Data Center. doi: https://doi.org/10.7265/N5K072F8. [March 28, 2022].

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