Climate averages 1991–2020
Bern weather
in April.
A cool, wet month: the 7th warmest and the joint 6th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
April is a cool month in Bern: daytime highs average 12.5°C and nights cool to about 2.7°C. By daytime temperature it is the 7th warmest of the 12 months.
Expect about 90 mm of rain on roughly 14 days, which makes April a wet month (the joint 6th 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 Luzern (66 km away). In April its highs average 13.8°C, 1.3°C warmer than Bern, with 135 mm of rain.
Among the 8 cities listed in Switzerland, Bern ranks 7th of 8 for the warmest April highs and joint 2nd of 8 for the driest April (rainfall, lowest first). The mean April high of those 8 cities is 13.6°C; Bern is 1.1°C cooler than that mean.
From April to May, average highs rise by 3.8°C to 16.3°C, and monthly rainfall rises from 90 mm to 117 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
Bern climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 3.8°C-3.3°C | -3.3°C | 80 | 12.8 | 9.09 h |
| February | 4.9°C-3.3°C | -3.3°C | 73 | 11.7 | 10.310 h |
| March | 8.8°C-0.2°C | -0.2°C | 84 | 13.3 | 11.912 h |
| April, selected | 12.5°C2.7°C | 2.7°C | 90 | 13.6 | 13.614 h |
| May | 16.3°C7.0°C | 7.0°C | 117 | 15.4 | 15.015 h |
| June | 19.8°C10.8°C | 10.8°C | 106 | 14.7 | 15.816 h |
| July | 21.8°C12.9°C | 12.9°C | 104 | 13.5 | 15.515 h |
| August | 21.8°C13.1°C | 13.1°C | 101 | 13.3 | 14.214 h |
| September | 17.7°C9.6°C | 9.6°C | 88 | 11.8 | 12.613 h |
| October | 13.9°C5.8°C | 5.8°C | 84 | 11.9 | 10.911 h |
| November | 8.1°C1.0°C | 1.0°C | 90 | 12.6 | 9.49 h |
| December | 4.4°C-2.1°C | -2.1°C | 93 | 13.5 | 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
- Luzern in AprilSwitzerland · 66 kmHigh 13.8°C · Low 3.9°C · 135 mm rain
- Basel in AprilSwitzerland · 69 kmHigh 15.0°C · Low 4.6°C · 90 mm rain
- Lausanne in AprilSwitzerland · 79 kmHigh 13.1°C · Low 5.5°C · 90 mm rain
- Mulhouse in AprilFrance · 90 kmHigh 14.7°C · Low 5.0°C · 68 mm rain
- Zürich in AprilSwitzerland · 95 kmHigh 14.1°C · Low 4.2°C · 106 mm rain
- Besançon in AprilFrance · 113 kmHigh 14.9°C · Low 5.7°C · 88 mm rain
- Winterthur in AprilSwitzerland · 115 kmHigh 13.8°C · Low 4.0°C · 85 mm rain
- Freiburg in AprilGermany · 120 kmHigh 15.1°C · Low 5.6°C · 74 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 Bern) is explained once on the Bern year overview and on the Sources, method and limits page.