The temperatures in Sisteron in April are quite cold with temperatures between 6°C and 18°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sisteron 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.
Our weather forecast can give you a great sense of what weather to expect in Sisteron in April 2026.
If you’re planning to visit Sisteron in the near future, we highly recommend that you review the 14 day weather forecast for Sisteron before you arrive.
Temperatures
18° / 6°
Rainy Days
5
Snowy Days
0
Dry Days
26
Rainfall
79
mm
Sun Hours
10.6
Hrs
