Robert Besser
13 May 2025

DUBLIN, Ireland: Ireland recorded its hottest-ever April day as temperatures hit 25.9 degrees Celsius, according to the EU's Copernicus Climate Change Service. The new record was set as Europe experienced its sixth-warmest April on record, with average temperatures 1.01 degrees above the 1991-2020 average.

Despite the rise, April 2025 was 0.91 degrees cooler than the warmest April in 2018. Globally, April 2025 ranked as the second-warmest April on record, 0.07 degrees cooler than April 2024 but 0.70 degrees warmer than April 2016. The global surface air temperature averaged 14.96 degrees, 1.51 degrees above pre-industrial levels from 1850-1900.

Across Europe, temperatures were mostly above average, with the most significant warm anomalies over eastern Europe, western Russia, and Kazakhstan. Norway also recorded notably higher-than-average conditions, while the UK reported its third-warmest April, with daily maximum temperatures 2.8 degrees above the average.

In contrast, Türkiye, parts of Bulgaria, and Romania, as well as the Crimean Peninsula, experienced cooler-than-average temperatures.

Outside Europe, significant temperature increases were recorded in West Central Asia, where the UAE experienced its hottest April on record, with average highs of 42.6 degrees. Pakistan marked its second-warmest April in 65 years, and China recorded its second-warmest April since 1961.

The United States, Mexico, and most of Canada also reported above-average temperatures. In Australia, the southern and western regions experienced warmer-than-average conditions, with Victoria recording its hottest April since 1910.

Meanwhile, cooler-than-average temperatures persisted in parts of southern South America, eastern Canada, the Great Lakes region, and northeastern Greenland.

In Antarctica, temperatures were higher than average across the Antarctic Peninsula and West Antarctica, while East Antarctica remained cooler than usual.