The temperatures in Calw in April are quite cold with temperatures between 5°C and 16°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Calw during the month of April. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Calw can expect a few days of snow in April.
Our weather forecast can give you a great sense of what weather to expect in Calw in April 2026.
If you’re planning to visit Calw in the near future, we highly recommend that you review the 14 day weather forecast for Calw before you arrive.
Temperatures
16° / 5°
Rainy Days
5
Snowy Days
2
Dry Days
23
Rainfall
48
mm
Sun Hours
9.7
Hrs
