In a startling development, January 2025 has been declared the hottest January on record, surpassing all previous benchmarks with global average temperatures soaring 1.75C above pre-industrial levels. The European Centre for Medium-Range Weather Forecasts, supported by 35 states, reported an average temperature of 13.2C (55.8F) for the month, marking an extraordinary high. Climate scientist Zeke Hausfather expressed astonishment at this new peak, considering expectations that the cooling influence of La Niña would temper temperatures after the scorching years of 2023 and 2024.
The persistence of record-breaking warmth is evident, even as the year began, defying anticipations of a cooling trend. December, the month preceding this historic January, ranked as the second-warmest on record globally, both on land and in the ocean, according to the US National Centers for Environmental Information. Despite the presence of a weak La Niña in the equatorial Pacific, areas such as the Caribbean Sea, the Indian Ocean, and segments of the Pacific Ocean continue to witness unprecedented levels of warmth.
December witnessed record high temperatures engulfing 6.6% of the Earth's surface, underscoring the rampant global warming trend. This record-breaking trend not only highlights the consistent rise in temperatures but also accentuates the acceleration of this alarming trajectory. Recent research spearheaded by James Hansen, renowned for his groundbreaking work on climate change, suggests that governments worldwide have underestimated the speed at which warming is escalating. This acceleration not only exacerbates natural climate cycles but also serves to intensify the frequency and severity of extreme weather events, reinforcing the urgent need for decisive action to combat climate change on a global scale.