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October 2025 Sees Third-Warmest Global Temperatures Recorded

11/11/2025

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Summary

Climate Records Surge

October 2025 recorded the third-warmest global surface temperature, at 15.14°C, 1.55°C above pre-industrial levels.
This is the first month since April 2025 to exceed 1.50°C.
The year is likely to be second or third warmest on record, with 2023–2025 averaging above 1.5°C.
The North Pacific experienced record-high sea surface temperatures, while Europe experienced contrasting temperatures.

Summary

Temperature Records Rise

In October 2025, global temperatures reached the third-highest for the month since 1850, per Copernicus Climate Change Service.
January–October 2025 was the second-warmest year-to-date on record.
Antarctic sea ice extent was the third-lowest on record.
Arctic sea ice was the eighth-lowest, with record-high October temperatures at both poles.
La Niña conditions may transition to ENSO-neutral by early 2026, with a shift to El Niño later in the year.

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Climate Records Surge

October 2025 recorded the third-warmest global surface temperature, at 15.14°C, 1.55°C above pre-industrial levels.
This is the first month since April 2025 to exceed 1.50°C.
The year is likely to be second or third warmest on record, with 2023–2025 averaging above 1.5°C.
The North Pacific experienced record-high sea surface temperatures, while Europe experienced contrasting temperatures.

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