October 2025 was the 3rd warmest October on record for our planet, following 2023 (1st place) and 2024 (2nd place). This month was about 1.55°C above the 1850-1900 pre-industrial average. Note that the last 12-months have been about 1.50°C above it.
Summary of month: https://climate.copernicus.eu/surface-air-temperature-october-2025 via data from @CopernicusECMWF ERA5 reanalysis.
Orthographic map showing 2-m air temperature anomalies in October 2025 relative to a 1981-2010 baseline. This visualization shows North and South America. Most areas are warmer than average.
Orthographic map showing 2-m air temperature anomalies in October 2025 relative to a 1981-2010 baseline using ERA5 data. This visualization shows Australia, Antarctica, and Asia. Most areas are warmer than average, except for small parts of Australia and Antarctica.
Orthographic map showing 2-m air temperature anomalies in October 2025 relative to a 1981-2010 baseline using ERA5 data. This visualization shows Africa, Europe, and western Asia. Most areas are warmer than average.