Gillette January Weather

Averages and records for weather in Gillette, Wyoming in the month of January.
Typical Gillette January Weather
1991–2020
Average daily high 35.4 °F
Average daily low 14.5 °F
Average monthly precipitation 0.6 inches
Average monthly snow 7.6 inches
Daily chance of precipitation 24.3%
Daily chance of snow 21.0%
Gillette January Weather Records
1902–2024
Highest temperature 67 °F January 23, 1981
Lowest temperature -36 °F January 17, 1930
Highest daily low 42 °F January 2, 1939
Lowest daily high -18 °F January 28, 1951
Hottest average high temperature 45.4 °F 1981
Coldest average high temperature 14.2 °F 1937
Most daily precipitation 0.7 inches January 14, 1943
Most monthly precipitation 2.4 inches 1943
Most daily snow 11.0 inches January 29, 1965
Most monthly snow 25.9 inches 1965
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
January 1 33.9 13.5 51 -28
January 2 33.9 13.5 58 -25
January 3 33.9 13.4 56 -29
January 4 33.9 13.4 51 -26
January 5 34.0 13.5 53 -23
January 6 34.3 13.7 50 -27
January 7 34.5 13.9 61 -21
January 8 34.5 14.0 60 -23
January 9 34.6 14.0 62 -28
January 10 34.6 14.1 54 -25
January 11 34.6 14.0 55 -30
January 12 34.7 14.1 60 -31
January 13 34.8 14.2 58 -35
January 14 35.0 14.3 54 -32
January 15 35.2 14.4 54 -27
January 16 35.4 14.6 57 -26
January 17 35.5 14.8 55 -36
January 18 35.6 14.8 56 -30
January 19 35.6 14.9 56 -34
January 20 35.7 14.9 59 -28
January 21 35.8 15.0 59 -22
January 22 35.9 15.1 64 -22
January 23 35.8 15.1 67 -30
January 24 35.8 15.1 63 -32
January 25 35.8 15.1 54 -24
January 26 35.8 15.1 63 -26
January 27 36.0 15.2 62 -26
January 28 36.0 15.3 58 -27
January 29 36.1 15.2 62 -27
January 30 36.2 15.3 63 -29
January 31 36.4 15.4 62 -31
Weather Station Details
Years Station Coordinates
1902–2024 Gillette 4SE location