You can expect about 3 to 8 days of rain in Grisons 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.

Let it snow! You can expect Grisons to be covered in white during the month of December. Be sure to bundle up when you venture outside, or take the opportunity to enjoy hot cocoa by the fire for warmth this month.

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

If you’re planning to visit Grisons in the near future, we highly recommend that you review the 14 day weather forecast for Grisons before you arrive.

Temperatures

-6° / -15°

Rainy Days

Snowy Days

Dry Days

Rainfall

157

Sun Hours

9.4

Hrs

Sun	Mon	Tue	Wed	Thu	Fri	Sat
	1 -3° /-9°	2 -3° /-11°	3 -6° /-13°	4 -5° /-12°	5 -3° /-11°	6 -3° /-11°
7 -4° /-12°	8 -5° /-12°	9 -5° /-12°	10 -6° /-12°	11 -5° /-12°	12 -5° /-13°	13 -4° /-11°
14 -3° /-12°	15 -4° /-10°	16 -3° /-7°	17 -2° /-5°	18 -3° /-4°	19 -1° /-7°	20 -1° /-6°
21 0° /-3°	22 -2° /-5°	23 -2° /-5°	24 -3° /-5°	25 -5° /-10°	26 -5° /-11°	27 -5° /-12°
28 -3° /-11°	29 -5° /-11°	30 -3° /-9°	31 -2° /-8°

Explore the weather in Grisons in other months

Grisons annual weather

Month	Temperatures	Rainy Days	Dry Days	Snowy Days	Rainfall	Weather	More details
January	-6° / -16°	7	7	19	124 mm	Awful	Grisons in January
February	-5° / -15°	5	5	20	145 mm	Awful	Grisons in February
March	0° / -11°	10	4	21	156 mm	Awful	Grisons in March
April	4° / -6°	14	4	15	235 mm	Awful	Grisons in April
May	9° / -1°	21	5	7	303 mm	Awful	Grisons in May
June	14° / 3°	21	9	0	313 mm	Ok	Grisons in June
July	17° / 5°	21	10	0	316 mm	Ok	Grisons in July
August	16° / 5°	19	12	0	301 mm	Ok	Grisons in August
September	12° / 2°	15	14	2	220 mm	Awful	Grisons in September
October	5° / -4°	8	16	6	227 mm	Awful	Grisons in October
November	-1° / -9°	9	10	13	251 mm	Awful	Grisons in November
December	-6° / -15°	7	8	18	157 mm	Awful	Grisons in December