Climate averages 1991–2020
Luzern weather
in April.
A cool, wet month: the 7th warmest and the 7th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Luzern: daytime highs average 13.8°C and nights cool to about 3.9°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 135 mm of rain on roughly 15 days, which makes April a wet month (the 7th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 13 h 34 min on an average April day.
The nearest other city in this atlas is Zürich (40 km away). In April its highs average 14.1°C, about as warm as Luzern, with 106 mm of rain.
Among the 8 cities listed in Switzerland, Luzern ranks joint 4th of 8 for the warmest April highs and 8th of 8 for the driest April (rainfall, lowest first). The mean April high of those 8 cities is 13.6°C; Luzern is 0.2°C warmer than that mean.
From April to May, average highs rise by 4.1°C to 17.9°C, and monthly rainfall rises from 135 mm to 188 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
Luzern climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 4.6°C-0.9°C | -0.9°C | 117 | 13.7 | 9.09 h |
| February | 5.7°C-1.2°C | -1.2°C | 112 | 12.8 | 10.210 h |
| March | 9.7°C1.2°C | 1.2°C | 126 | 15.1 | 11.912 h |
| April, selected | 13.8°C3.9°C | 3.9°C | 135 | 15.2 | 13.614 h |
| May | 17.9°C8.1°C | 8.1°C | 188 | 18.4 | 15.015 h |
| June | 21.2°C12.1°C | 12.1°C | 200 | 18.6 | 15.816 h |
| July | 23.1°C14.5°C | 14.5°C | 212 | 18.5 | 15.515 h |
| August | 23.0°C15.2°C | 15.2°C | 211 | 17.7 | 14.214 h |
| September | 18.9°C11.6°C | 11.6°C | 166 | 15.3 | 12.613 h |
| October | 14.9°C7.9°C | 7.9°C | 130 | 13.6 | 10.911 h |
| November | 9.0°C3.2°C | 3.2°C | 134 | 14.1 | 9.49 h |
| December | 5.3°C0.0°C | 0.0°C | 131 | 14.3 | 8.69 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
- Zürich in AprilSwitzerland · 40 kmHigh 14.1°C · Low 4.2°C · 106 mm rain
- Winterthur in AprilSwitzerland · 60 kmHigh 13.8°C · Low 4.0°C · 85 mm rain
- Bern in AprilSwitzerland · 66 kmHigh 12.5°C · Low 2.7°C · 90 mm rain
- Basel in AprilSwitzerland · 79 kmHigh 15.0°C · Low 4.6°C · 90 mm rain
- Sankt Gallen in AprilSwitzerland · 91 kmHigh 12.0°C · Low 2.1°C · 102 mm rain
- Vaduz in AprilLiechtenstein · 93 kmHigh 13.6°C · Low 3.4°C · 126 mm rain
- Konstanz in AprilGermany · 94 kmHigh 13.6°C · Low 6.3°C · 80 mm rain
- Mulhouse in AprilFrance · 107 kmHigh 14.7°C · Low 5.0°C · 68 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 Luzern) is explained once on the Luzern year overview and on the Sources, method and limits page.