From a meteorological standpoint, March 2025 in Luxembourg stood out for its exceptional dryness, above-average temperatures, and abundant sunshine – marking a significant departure from typical seasonal patterns.
The month averaged 7.3°C, 1.6°C higher than the long-term March average of 5.7°C. Temperatures peaked at 20.0°C on 21 March, nearing the record 23.5°C set in March 2021. The lowest recorded temperature was -3.3°C on 18 March, a typical value for late winter.
March 2025 was remarkably dry, with just 13 mm of rainfall – only 22% of the expected 57 mm average. Notably, only three days saw rainfall exceeding 1 mm (compared to the usual 11) and nearly half the month’s total precipitation fell on 22 March (7 mm in 24 hours)
The country basked in 222.8 hours of sunshine, surpassing the norm (137.1 hours) by 58%. This places March 2025 among the sunniest March months since records began.
March 2025 saw notably light wind activity across Luxembourg, with the strongest gust reaching just 53.6 km/h on 30 March - well below the 75 km/h threshold that defines a storm day.
There was no snowfall whatsoever, an exceptionally rare occurrence for March in Luxembourg. Despite technically still being winter season, not a single snowflake was recorded at any official monitoring station during the entire month.
Temperatures dipped below freezing on seven occasions, though the month saw no ice days where temperatures remain sub-zero throughout the entire day. The coldest reading of -3.3°C on 18 March represented the most significant frost event.
These combined observations paint March 2025 as a period of remarkable meteorological stability - characterised by exceptional dryness and record sunshine.
The first days of April will continue under the influence of a North Sea high-pressure system, bringing sustained dry and sunny conditions to Luxembourg. Thursday and Friday will see abundant sunshine with daytime highs potentially reaching 17-20°C under mostly clear skies.
A significant weather change arrives Saturday night as cold northeasterly winds establish across the region. While Saturday daytime will still offer pleasant 15-20°C temperatures with only scattered clouds, Sunday will mark a dramatic cooldown. Daytime temperatures are expected to plummet to around 9°C, with morning lows potentially touching freezing point. The dry conditions will persist, though brisk northeasterly winds will make the cold particularly noticeable.
