You can expect about 3 to 8 days of rain in Sisteron during the month of December. 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 December.

Our weather forecast can give you a great sense of what weather to expect in Sisteron in December 2025.

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

9° / 2°

Rainy Days

Snowy Days

Dry Days

Rainfall

Sun Hours

9.7

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1 9° /2°	2 8° /2°	3 6° /1°	4 6° /1°	5 7° /1°	6 8° /1°
7 8° /1°	8 7° /2°	9 7° /3°	10 8° /2°	11 8° /2°	12 8° /2°	13 8° /2°
14 8° /2°	15 8° /3°	16 7° /2°	17 9° /1°	18 13° /6°	19 11° /6°	20 11° /8°
21 13° /8°	22 10° /6°	23 10° /5°	24 9° /5°	25 7° /5°	26 8° /6°	27 9° /5°
28 9° /4°	29 7° /6°	30 7° /4°	31 6° /2°

Explore the weather in Sisteron in other months

Sisteron annual weather

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