Jefferson Island, MT 20 December Weather

Altitude - 1291m | 45°51′4″N,111°56′28″W | map (OSM)

Jefferson Island, MT

°F

11 pmClear13mphS

Sat, December 13, 202511:47 PM (GMT -07:00)

Climatic norm in Jefferson Island, MT Dec 20

4°
17°
29°

minimum
average
maximum

Saturday Dec 20 2025	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	33°	30°	29°	29°	32°	33°	29°	26°
wind	8mph	9mph	8mph	8mph	10mph	10mph	8mph	8mph
pressure in	25.29	25.29	25.32	25.34	25.36	25.34	25.35	25.37

Friday Dec 20 2024	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	26°	26°	27°	30°	39°	44°	37°	32°
wind	8mph	10mph	11mph	10mph	11mph	9mph	7mph	7mph
pressure in	25.67	25.65	25.65	25.69	25.73	25.74	25.71	25.68

Wednesday Dec 20 2023	12 am	3 am	6 am	9 am	12 pm	3 pm	6 pm	9 pm

temperature °F	31°	28°	27°	28°	37°	42°	36°	31°
wind	6mph	5mph	6mph	6mph	5mph	6mph	6mph	6mph
pressure in	25.48	25.48	25.49	25.53	25.56	25.57	25.56	25.57

* Jefferson Island, MT weather for December 20 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 Jefferson Island, MT Weather for December 20, 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 20 for previous years is presented.