Climate averages 1991–2020
Vienna weather
in April.
A mild, moderately wet month: the 6th warmest and the 5th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a mild month in Vienna: daytime highs average 15.7°C and nights cool to about 5.4°C. By daytime temperature it is the 6th warmest of the 12 months.
Expect about 45 mm of rain on roughly 9 days, which makes April a moderately wet month (the 5th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 38 min on an average April day.
The nearest other city in this atlas is Bratislava (55 km away). In April its highs average 16.0°C, about as warm as Vienna, with 44 mm of rain.
Among the 6 cities listed in Austria, Vienna ranks 1st of 6 for the warmest April highs and 1st of 6 for the driest April (rainfall, lowest first). The mean April high of those 6 cities is 14.5°C; Vienna is 1.1°C warmer than that mean.
From April to May, average highs rise by 4.3°C to 19.9°C, and monthly rainfall rises from 45 mm to 72 mm.
The annual picture
April in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Vienna climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.1°C-2.9°C | -2.9°C | 35 | 8.3 | 8.89 h |
| February | 5.5°C-2.2°C | -2.2°C | 32 | 7.6 | 10.210 h |
| March | 10.1°C0.9°C | 0.9°C | 47 | 9.8 | 11.912 h |
| April, selected | 15.7°C5.4°C | 5.4°C | 45 | 9.0 | 13.614 h |
| May | 19.9°C10.3°C | 10.3°C | 72 | 11.9 | 15.215 h |
| June | 23.7°C14.2°C | 14.2°C | 76 | 11.8 | 16.016 h |
| July | 25.8°C16.3°C | 16.3°C | 79 | 12.3 | 15.616 h |
| August | 25.7°C16.0°C | 16.0°C | 71 | 10.1 | 14.314 h |
| September | 20.3°C11.8°C | 11.8°C | 71 | 9.4 | 12.613 h |
| October | 14.7°C7.1°C | 7.1°C | 47 | 8.7 | 10.911 h |
| November | 8.7°C2.7°C | 2.7°C | 43 | 9.1 | 9.39 h |
| December | 3.8°C-1.7°C | -1.7°C | 38 | 8.8 | 8.48 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
April in nearby cities
- Bratislava in AprilSlovakia · 55 kmHigh 16.0°C · Low 5.6°C · 44 mm rain
- Szombathely in AprilHungary · 110 kmHigh 15.9°C · Low 5.6°C · 47 mm rain
- Győr in AprilHungary · 111 kmHigh 16.4°C · Low 6.4°C · 41 mm rain
- Brno in AprilCzechia · 111 kmHigh 14.8°C · Low 4.7°C · 40 mm rain
- Nitra in AprilSlovakia · 127 kmHigh 16.1°C · Low 5.5°C · 41 mm rain
- Graz in AprilAustria · 145 kmHigh 15.0°C · Low 3.6°C · 54 mm rain
- Zlín in AprilCzechia · 148 kmHigh 14.4°C · Low 4.4°C · 52 mm rain
- Linz in AprilAustria · 155 kmHigh 15.1°C · Low 4.9°C · 55 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Vienna) is explained once on the Vienna year overview and on the Sources, method and limits page.