Climate averages 1991–2020
Basel weather
in March.
A cool, moderately wet month: the 8th warmest and the 3rd driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
March is a cool month in Basel: daytime highs average 11.1°C and nights cool to about 1.4°C. By daytime temperature it is the 8th warmest of the 12 months.
Expect about 83 mm of rain on roughly 14 days, which makes March a moderately wet month (the 3rd driest of the 12 months). Daylight, from sunrise to sunset, lasts about 11 h 52 min on an average March day.
The nearest other city in this atlas is Mulhouse (28 km away). In March its highs average 10.7°C, about as warm as Basel, with 71 mm of rain.
Among the 8 cities listed in Switzerland, Basel ranks 1st of 8 for the warmest March highs and 2nd of 8 for the driest March (rainfall, lowest first). The mean March high of those 8 cities is 9.8°C; Basel is 1.4°C warmer than that mean.
From March to April, average highs rise by 3.9°C to 15.0°C, and monthly rainfall rises from 83 mm to 90 mm.
The annual picture
March 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
Basel climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 5.4°C-1.7°C | -1.7°C | 80 | 13.5 | 8.99 h |
| February | 6.9°C-1.5°C | -1.5°C | 73 | 11.7 | 10.210 h |
| March, selected | 11.1°C1.4°C | 1.4°C | 83 | 13.5 | 11.912 h |
| April | 15.0°C4.6°C | 4.6°C | 90 | 14.1 | 13.614 h |
| May | 18.7°C8.9°C | 8.9°C | 129 | 16.8 | 15.115 h |
| June | 22.3°C12.7°C | 12.7°C | 118 | 15.8 | 15.916 h |
| July | 24.5°C14.8°C | 14.8°C | 121 | 15.4 | 15.616 h |
| August | 24.5°C14.9°C | 14.9°C | 125 | 15.1 | 14.314 h |
| September | 20.1°C10.8°C | 10.8°C | 95 | 12.6 | 12.613 h |
| October | 15.4°C6.7°C | 6.7°C | 97 | 13.2 | 10.911 h |
| November | 9.4°C2.1°C | 2.1°C | 94 | 13.0 | 9.49 h |
| December | 5.8°C-0.8°C | -0.8°C | 101 | 14.1 | 8.59 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
March in nearby cities
- Mulhouse in MarchFrance · 28 kmHigh 10.7°C · Low 1.7°C · 71 mm rain
- Freiburg in MarchGermany · 53 kmHigh 10.7°C · Low 2.1°C · 83 mm rain
- Bern in MarchSwitzerland · 69 kmHigh 8.8°C · Low -0.2°C · 84 mm rain
- Zürich in MarchSwitzerland · 76 kmHigh 10.3°C · Low 1.1°C · 98 mm rain
- Luzern in MarchSwitzerland · 79 kmHigh 9.7°C · Low 1.2°C · 126 mm rain
- Winterthur in MarchSwitzerland · 87 kmHigh 9.9°C · Low 0.8°C · 82 mm rain
- Villingen-Schwenningen in MarchGermany · 89 kmHigh 7.5°C · Low -0.8°C · 87 mm rain
- Strasbourg in MarchFrance · 115 kmHigh 10.9°C · Low 2.1°C · 70 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 Basel) is explained once on the Basel year overview and on the Sources, method and limits page.