Sumner, MT 15 December Weather

Altitude - 913m | 48°46′48″N,108°6′14″W | map (OSM)

Sumner, MT

-2

°F

4:30 pmCloudy15mphSE

Sat, December 13, 20255:11 PM (GMT -07:00)

Monday Dec 15 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	34°	31°	29°	32°	39°	43°	43°	43°
wind	14mph	10mph	7mph	7mph	11mph	18mph	21mph	23mph
pressure in	26.78	26.77	26.76	26.74	26.68	26.61	26.51	26.43

Sunday Dec 15 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	21°	22°	23°	27°	33°	33°	30°	26°
wind	3mph	3mph	6mph	10mph	17mph	19mph	17mph	14mph
pressure in	26.53	26.53	26.55	26.59	26.64	26.66	26.71	26.78

Friday Dec 15 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	26°	23°	21°	24°	32°	34°	25°	23°
wind	7mph	5mph	3mph	2mph	5mph	6mph	7mph	11mph
pressure in	27.05	27.07	27.10	27.16	27.18	27.15	27.09	27.04

* Sumner, MT weather for December 15 is prepared on the basis of GFS data and is intended for personal use in the "as is" (as is) format. You can see on this page Sumner, MT Weather for December 15, as well as compare air temperature with the climate norm for this date. Perhaps you will be interested - for comparison, the actual weather on December 15 for previous years is presented.