La Niña and record cold temperatures in the U.S. should have made Earth cooler, but January 2025 was still the hottest on ...

January 2025 was the warmest month on record globally, despite an emerging La Niña. Typically, La Nina conditions are expected to reduce temperatures around the world – something that hasn’t happened ...

January 2025 set records as the warmest January globally, with an average surface air temperature of 13.23°C, marking a ...