Summit Valley, MT 21 December Weather

Altitude - 1469m | 45°46′12″N,111°53′35″W | map (OSM)

Summit Valley, MT

°F

1 amClear13mphSW

Sun, December 14, 20251:53 AM (GMT -07:00)

Climatic norm in Summit Valley, MT Dec 21

4°
17°
29°

minimum
average
maximum

Sunday Dec 21 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	24°	23°	22°	23°	28°	30°	26°	24°
wind	9mph	10mph	9mph	9mph	10mph	10mph	9mph	8mph
pressure in	24.82	24.82	24.83	24.84	24.85	24.84	24.82	24.82

Saturday Dec 21 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	33°	32°	31°	33°	41°	42°	38°	35°
wind	10mph	9mph	10mph	9mph	7mph	8mph	12mph	13mph
pressure in	25.10	25.07	25.04	25.05	25.05	25.01	24.95	24.94

Thursday Dec 21 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	34°	30°	28°	29°	38°	43°	36°	34°
wind	9mph	8mph	9mph	9mph	9mph	9mph	10mph	10mph
pressure in	25.08	25.05	25.07	25.10	25.13	25.14	25.11	25.11

* Summit Valley, MT weather for December 21 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 Valley, MT Weather for December 21, 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 21 for previous years is presented.