Summit, MT 15 December Weather

Altitude - 2272m | 45°13′8″N,111°55′52″W | map (OSM)

Summit, MT

°F

12 amFair19mphS

Sun, December 14, 202512:36 AM (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°	33°	34°	36°	45°	46°	42°	42°
wind	9mph	10mph	9mph	10mph	12mph	13mph	12mph	13mph
pressure in	22.77	22.77	22.77	22.78	22.83	22.80	22.76	22.74

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

temperature °F	31°	29°	29°	28°	29°	30°	24°	21°
wind	6mph	8mph	12mph	14mph	14mph	13mph	9mph	7mph
pressure in	22.45	22.44	22.50	22.60	22.65	22.69	22.68	22.70

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

temperature °F	27°	25°	22°	23°	35°	37°	31°	28°
wind	11mph	5mph	6mph	7mph	6mph	7mph	7mph	8mph
pressure in	22.87	22.87	22.86	22.88	22.97	22.95	22.91	22.87

* Summit, 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 Summit, 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.