April presented itself noticeably mild
April 2025 only brought one phase where it was cooler than the long-term average across Austria for a few days and is recorded as one of the ten warmest April months in measurement history. This was reported by Geosphere Austria on Wednesday. "In the preliminary evaluation, April 2025 is 1.9 degrees above the average of the climate period 1991 to 2020 in Austria's lowlands and 2.0 degrees on the mountains," said climatologist Alexander Orlik.
Summer Days in April
It was only approximately from April 6 to 9 that it was cooler than the long-term average in Austria, it was said. During this period, the lowest temperature of the month was also measured in the lowlands, with minus 8.2 degrees on April 9 in Liebenau in the Mühlviertel in Upper Austria. However, the majority of April was above average warm. Many regions also recorded the first summer day of the year with at least 25 degrees. The temperature hotspot this year was St. Pölten with 28.3 degrees on April 16.
The preliminary evaluation places Austria's lowlands in ninth place among the warmest April months in the 259-year history of measurements, and the mountains in eighth place in the 175-year mountain measurement series, said Orlik. Compared to the climate period 1961 to 1990, April 2025 was 3.4 degrees above the average in the lowlands and 3.6 degrees on the mountains.
Too Dry and Too Wet
The amount of precipitation was approximately in the average range in most of Austria, with deviations of minus 15 to plus 15 percent from the long-term average. It was significantly too dry in the area from Vorarlberg over North Tyrol and large parts of Salzburg to western Upper Austria, with approximately 30 to 85 percent less precipitation than the long-term average.
In some places, it was also significantly too wet, such as in parts of East Tyrol and Northern Burgenland, with 15 to 50 percent more precipitation than the average. In the nationwide evaluation, there was 30 percent less precipitation than the average. However, the nationwide average sunshine duration was seven percent above average.
In April, the snow cover in the high mountains typically reaches the highest values of the winter half-year according to Geosphere. This was also the case this year, although significantly lower snow depths than the long-term average were recorded.
(APA/Red)
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