Flagstaff January Weather

Averages and records for weather in Flagstaff, Arizona in the month of January.
Typical Flagstaff January Weather
1991–2020
Average daily high 43.4 °F
Average daily low 17.7 °F
Average monthly precipitation 2.1 inches
Average monthly snow 20.9 inches
Daily chance of precipitation 22.5%
Daily chance of snow 19.9%
Flagstaff January Weather Records
1893–2024
Highest temperature 66 °F January 30, 1971
Lowest temperature -30 °F January 22, 1937
Highest daily low 41 °F January 2, 1997
Lowest daily high 5 °F January 12, 1963
Hottest average high temperature 52.0 °F 1986
Coldest average high temperature 28.2 °F 1937
Most daily precipitation 3.4 inches January 21, 2010
Most monthly precipitation 12.2 inches 1895
Most daily snow 28.0 inches January 16, 1895
Most monthly snow 126.0 inches 1895
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 42.3 16.6 61 -19
January 2 42.4 16.6 59 -13
January 3 42.4 16.6 60 -19
January 4 42.4 16.6 64 -22
January 5 42.5 16.6 59 -20
January 6 42.6 16.6 65 -9
January 7 42.7 16.7 64 -19
January 8 42.8 16.7 64 -12
January 9 42.9 16.8 65 -9
January 10 43.0 17.0 65 -15
January 11 43.1 17.2 63 -17
January 12 43.1 17.3 59 -20
January 13 43.2 17.4 59 -7
January 14 43.2 17.5 65 -15
January 15 43.3 17.6 65 -12
January 16 43.4 17.7 60 -6
January 17 43.6 17.7 62 -13
January 18 43.6 17.7 64 -8
January 19 43.7 17.7 62 -13
January 20 43.7 17.6 61 -10
January 21 43.8 17.7 58 -24
January 22 43.9 17.8 62 -30
January 23 44.0 17.8 61 -15
January 24 44.0 17.8 61 -15
January 25 44.1 17.9 61 -22
January 26 44.2 17.9 60 -15
January 27 44.3 17.9 61 -13
January 28 44.3 18.0 63 -10
January 29 44.4 18.1 60 -12
January 30 44.5 18.2 66 -19
January 31 44.7 18.3 63 -16
Weather Station Details
Years Station Coordinates
1893–2024 Flagstaff Pulliam Airport location