As of 06:10 MDT

Fort Collins, CO weather in December

70°

Fort Collins, Sunday, 9 August, 06:10

Partly cloudy. Feels like 68°. High 95°, low 70°.

Pressure29.97 inHg

Wind2 mph W

Humidity36%

Visibility6.2 mi

Dew point42°

See detailed hourly forecast

In December, Fort Collins, CO averages a high of 39.3° and a low of 17.9°. About 0.8 inches of precipitation fall over the month (5 wet days). The record high is 67.3° (2021) and the record low -22.7° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	41.9°	21.2°	13%	67.3° (2021)	-2.7° (1985)
2	42.8°	21.6°	13%	64.9° (2021)	-4.4° (1985)
3	41.9°	21.2°	13%	59° (2010)	-3.1° (2006)
4	42.8°	20.5°	10%	60.4° (1989)	0.1° (2009)
5	41.7°	20.5°	15%	64° (2012)	-11.2° (1972)
6	39°	19.6°	17%	57.4° (1991)	-11° (1972)
7	40.1°	20.1°	15%	58.1° (1965)	-4.9° (2013)
8	39.6°	19.6°	20%	57.2° (1970)	-16.4° (1978)
9	40.3°	18.3°	17%	59.4° (1975)	-6.5° (2009)
10	41.4°	19.4°	8%	60.4° (1990)	-6.9° (1972)
11	41.5°	19°	13%	62.2° (2025)	-14.1° (1972)
12	39.9°	18.9°	13%	57.9° (2014)	-11° (1985)
13	39.9°	19.4°	18%	58.5° (2010)	-11.6° (1961)
14	39.7°	18.5°	13%	56.3° (1969)	-12.8° (1972)
15	39.6°	18°	12%	58.8° (1962)	-8.5° (2008)
16	39.4°	18.7°	15%	63.1° (2025)	-1.1° (1971)
17	39.9°	18.3°	17%	63.3° (1980)	-8.7° (1964)
18	38.7°	17.8°	13%	56.3° (2013)	-9.2° (2016)
19	38.8°	17.4°	15%	64.8° (2025)	-6° (2016)
20	39°	17.6°	15%	56.7° (1981)	-8.7° (1990)
21	38.8°	17.1°	18%	57.7° (1994)	-20° (1990)
22	37.2°	16.7°	18%	65.7° (2025)	-22.7° (1990)
23	37°	16.5°	18%	61° (1964)	-20.7° (1990)
24	37.2°	14.5°	20%	65.7° (2025)	-17.3° (1998)
25	38.3°	16°	23%	67.1° (2025)	-11.4° (1983)
26	38.7°	16.2°	10%	58.6° (2025)	-10.1° (1982)
27	38.3°	15.4°	13%	62.1° (1980)	-13.7° (2015)
28	38.1°	16.3°	13%	57.9° (1999)	-9.6° (2015)
29	36.3°	14.5°	15%	54.9° (2011)	-15.2° (1983)
30	36.3°	13.6°	17%	61.3° (1980)	-11° (1982)
31	34.7°	13.1°	17%	55.6° (1996)	-20.6° (2014)