CopernicusECMWF

The global warming trend continued in 2025. Each of the past 11 years (2015–2025) has been among the 11 warmest on record. Explore more data from #CopernicusClimate in the Global Climate Highlights 2025. #GCH2025 🔗

Global Climate Highlights 2025 | Copernicus

The Global Climate Highlights 2025 report provides an early, concise analysis of the climate of the the year 2025.

@npub1pmwz...qpk7 @npub1vxjw...3nas [@carlo_mastodon](

C.IM

Dr Carlo Buontempo (@carlo_mastodon@c.im)

8 Posts, 25 Following, 41 Followers · Director of Copernicus Climate Change Service at ECMWF

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🌡️ November 2025 was the third-warmest November on record globally, keeping 2025 on track to be the second- or third-warmest year recorded. The global three-year average temperature for 2023–2025 will likely exceed 1.5°C above pre-industrial levels for the first time. Read the #C3S Climate Bulletin summary:

2025 on track to be joint-second warmest year | Copernicus

Findings in the latest Climate Bulletin published by the Copernicus Climate Change Service (C3S) confirm November 2025 as the third-warmest Novembe...

❄ November 2025: Arctic sea ice extent ranked second-lowest for November in the 47-year satellite record at 12% below average. Antarctic extent was the fourth-lowest for the month, 7% below average. Details in the #C3S Climate Bulletin 👉

Sea ice cover for November 2025 | Copernicus

In the Arctic, the average sea ice extent in November was 12% below average, ranking as the second lowest for the month.

Find additional data visuals in our press release 👉

Copernicus: 2025 on course to be joint-second warmest year, with November third-warmest on record | Copernicus

The Copernicus Climate Change Service (C3S), implemented by the European Centre for Medium-Range Weather Forecasts on behalf of the European Commis...

2025 is on course to be joint-second warmest year. The #C3S Climate Bulletin reports that November was 1.54°C above pre-industrial levels, making it the third-warmest November on record. The 2023–2025 average is likely to be the first three-year average exceeding 1.5°C. Explore all the insights 👉

Surface air temperature for November 2025 | Copernicus

November 2025 was the third-warmest November globally, with an average surface air temperature of 14.02°C, 0.65°C above the 1991-2020 ave...

Find additional data visuals in our press release 👉

Copernicus: 2025 on course to be joint-second warmest year, with November third-warmest on record | Copernicus

The Copernicus Climate Change Service (C3S), implemented by the European Centre for Medium-Range Weather Forecasts on behalf of the European Commis...

❄ October 2025: Arctic sea ice extent ranked eighth-lowest for October in the 47-year satellite record at 12% below average, with especially low concentrations in the Eurasian sector. Antarctic extent was the third-lowest for October, 6% below average. Details in the #C3S Climate Bulletin 👉

Sea ice cover for October 2025 | Copernicus

In the Arctic, the average sea ice extent in October 2025 was 6.8 million km², 1.0 million km² (about 12%) below the 1991–2020 aver...

🌡️ 2025 on track to be among top three warmest years. The #C3S Climate Bulletin reports that October was 1.55°C above pre-industrial levels, making it the third-warmest October on record and the first monthly average above 1.5°C since April. Explore all the insights 👉

Surface air temperature for October 2025 | Copernicus

October 2025 was the third-warmest October globally, with an average surface air temperature of 15.14°C, 0.70°C above the 1991-2020 avera...

Three charts based on #CopernicusClimate data you shouldn’t miss this month: 📈 Climate warming stripes for global temperature in September – Brian Brettschneider 📈 Sea surface temperature for 21 October 2025 – Michael Mann / C3S Climate Pulse app 📈 #Arctic sea ice extent reached its annual minimum - #C3S

🌡️ The September 2025 #C3S Climate Bulletin reports the third-warmest September globally, with an average surface air temperature of 16.11°C — 1.47°C above estimated pre-industrial levels. Global average sea surface temperature reached 20.72°C, the 3rd-highest on record for September. Get more insights 👉

Surface air temperature for September 2025 | Copernicus

September 2025 was the third-warmest September globally, with an average ERA5 surface air temperature of 16.11°C, 0.66°C above the 1991-2...

❄ August 2025: Arctic sea ice extent 12% below the 1991–2020 average for the month, ranking 8th-lowest on record. Antarctic sea ice extent ranked 3rd-lowest for August. More in the #C3S Climate Bulletin 👉

Sea ice cover for August 2025 | Copernicus

As Arctic sea ice is approaching its annual minimum extent, expected in September, the average extent in August 2025 was 12% below the 1991–2...

🌡 Third-warmest August globally, 1.29°C above pre-industrial level, 0.49°C above the 1991–2020 average for the month. Western Europe saw major heatwaves, mostly in the Iberian Peninsula and southwest France. Third-highest sea surface temperatures on record at 20.82°C. More insights in the #C3S Climate Bulletin 👉

Surface air temperature for August 2025 | Copernicus

July 2025 was the fifth month in the last 26 months for which the global-average surface air temperature was not more than 1.5°C above pre-ind...