Click on a day for an hourly weather forecast
The weather in Sisteron in January is very cold with temperatures between 0°C and 8°C, warm clothes are a must.
You can expect about 3 to 8 days of rain in Sisteron during the month of January. It’s a good idea to bring along your umbrella so that you don’t get caught in poor weather.
Please note that Sisteron can expect a few days of snow in January.
Our weather forecast can give you a great sense of what weather to expect in Sisteron in January 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.
| Month | Temperatures | Rainy Days | Dry Days | Snowy Days | Rainfall | Weather | More details |
|---|---|---|---|---|---|---|---|
| January | 8° / 0° | 5 | 24 | 2 | 69 mm | Bad | Sisteron in January |
| February | 10° / 1° | 5 | 21 | 2 | 59 mm | Bad | Sisteron in February |
| March | 14° / 3° | 4 | 26 | 1 | 61 mm | Good | Sisteron in March |
| April | 18° / 6° | 5 | 26 | 0 | 79 mm | Good | Sisteron in April |
| May | 22° / 9° | 5 | 26 | 0 | 75 mm | Good | Sisteron in May |
| June | 27° / 13° | 4 | 26 | 0 | 48 mm | Perfect | Sisteron in June |
| July | 30° / 15° | 3 | 28 | 0 | 38 mm | Good | Sisteron in July |
| August | 30° / 15° | 3 | 28 | 0 | 47 mm | Good | Sisteron in August |
| September | 25° / 12° | 3 | 27 | 0 | 49 mm | Perfect | Sisteron in September |
| October | 19° / 8° | 4 | 27 | 0 | 99 mm | Good | Sisteron in October |
| November | 13° / 4° | 6 | 24 | 0 | 144 mm | Ok | Sisteron in November |
| December | 9° / 2° | 5 | 25 | 1 | 68 mm | Ok | Sisteron in December |