Summit Valley, MT 18 December Weather

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

Summit Valley, MT

°F

3 amClear14mphSW

Sun, December 14, 20253:49 AM (GMT -07:00)

Climatic norm in Summit Valley, MT Dec 18

4°
17°
29°

minimum
average
maximum

Thursday Dec 18 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	22°	19°	18°	19°	25°	29°	28°	32°
wind	12mph	10mph	8mph	8mph	10mph	12mph	11mph	13mph
pressure in	24.94	24.95	24.96	24.95	24.91	24.83	24.74	24.68

Wednesday Dec 18 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	29°	28°	32°	34°	37°	41°	36°	31°
wind	14mph	17mph	19mph	21mph	23mph	28mph	28mph	19mph
pressure in	25.16	25.12	25.12	25.06	25.02	25.02	25.09	25.16

Monday Dec 18 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	27°	26°	25°	25°	36°	40°	36°	33°
wind	10mph	8mph	8mph	7mph	8mph	8mph	10mph	12mph
pressure in	25.11	25.07	25.02	24.96	24.95	24.91	24.88	24.85

* Summit Valley, MT weather for December 18 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 18, 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 18 for previous years is presented.