Luxembourg experienced one of its driest and sunniest March months on record in 2025, with rainfall reaching only 22% of average levels while sunshine hours soared 58% above normal - all accompanied by unseasonably warm temperatures.

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.

Temperatures: Well above seasonal norms

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.

Precipitation: Exceptionally low rainfall

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)

Sunshine: A record-bright month

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.

Wind: Calm and no storms

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.

Snow: Completely absent

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.

Frost: Seven frost days, no ice days

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.

Monthly summary

These combined observations paint March 2025 as a period of remarkable meteorological stability - characterised by exceptional dryness and record sunshine.

Outlook: Sunny start followed by sharp cooldown

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.