Cortez December Weather

Averages and records for weather in Cortez, Colorado in the month of December.
Typical Cortez December Weather
1991–2020
Average daily high 43.2 °F
Average daily low 17.1 °F
Average monthly precipitation 0.9 inches
Average monthly snow 6.8 inches
Daily chance of precipitation 23.1%
Daily chance of snow 17.0%
Cortez December Weather Records
1911–2024
Highest temperature 65 °F December 1, 1999
Lowest temperature -22 °F December 8, 1978
Highest daily low 40 °F December 5, 2014
Lowest daily high 10 °F December 27, 1932
Hottest average high temperature 51.8 °F 2017
Coldest average high temperature 33.9 °F 1932
Most daily precipitation 1.2 inches December 11, 1954
Most monthly precipitation 3.6 inches 1951
Most daily snow 14.0 inches December 19, 1951
Most monthly snow 38.5 inches 1967
Note: Daily averages are a moving average which includes 14 days before and after
Day Average (°F) Record (°F)
High Low High Low
December 1 47.8 20.5 65 -10
December 2 47.4 20.2 64 -3
December 3 47.0 19.9 64 0
December 4 46.5 19.7 62 -6
December 5 46.1 19.4 62 -6
December 6 45.7 19.0 63 -10
December 7 45.3 18.8 61 -8
December 8 45.0 18.5 61 -22
December 9 44.7 18.4 60 -20
December 10 44.4 18.3 63 -19
December 11 44.1 18.1 63 -11
December 12 43.8 17.9 60 -16
December 13 43.6 17.6 60 -18
December 14 43.4 17.3 60 -13
December 15 43.2 17.2 61 -13
December 16 43.0 17.0 56 -11
December 17 42.8 16.9 62 -10
December 18 42.7 16.7 58 -2
December 19 42.5 16.5 59 -9
December 20 42.4 16.3 59 -10
December 21 42.3 16.1 60 -15
December 22 42.2 16.0 54 -15
December 23 42.1 15.8 57 -20
December 24 42.0 15.7 59 -13
December 25 42.0 15.6 60 -15
December 26 41.9 15.5 62 -13
December 27 41.9 15.5 58 -8
December 28 41.8 15.4 59 -9
December 29 41.8 15.3 57 -13
December 30 41.8 15.3 60 -19
December 31 41.8 15.3 62 -10
Weather Station Details
Years Station Coordinates
1911–2024 Cortez location