As of 20:25 MDT

Northglenn, CO weather in December

88°

Northglenn, Saturday, 8 August, 20:25

Overcast. Feels like 84°. High 96°, low 66°.

Pressure29.74 inHg

Wind6 mph SW

Humidity18%

Visibility6.2 mi

Dew point37°

See detailed hourly forecast

In December, Northglenn, CO averages a high of 39.6° and a low of 15.9°. About 0.9 inches of precipitation fall over the month (5 wet days). The record high is 72.3° (2025) and the record low -23.1° (1990). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	42.4°	18.1°	10%	71.1° (2021)	-2.6° (1985)
2	43.2°	19°	13%	66.2° (2021)	-5.3° (2004)
3	42.1°	18.9°	17%	64.9° (2017)	-7.8° (1978)
4	43.5°	18°	8%	62.6° (1998)	-3.6° (2009)
5	42.3°	17.4°	13%	65.7° (2012)	-15.5° (1972)
6	39.4°	17.4°	17%	58.3° (2023)	-19.3° (1972)
7	39.9°	17.8°	22%	59.2° (1965)	-9.4° (2013)
8	40.1°	17.2°	22%	59.7° (2020)	-22.2° (1978)
9	40.5°	15.8°	17%	60.1° (1981)	-16.8° (1978)
10	41.2°	15.8°	12%	61.2° (1990)	-18.2° (1972)
11	41.4°	17.2°	15%	64.6° (2025)	-12.1° (1972)
12	41.2°	16.9°	12%	65.1° (2017)	-19.1° (1961)
13	40.6°	16.9°	17%	62.8° (2025)	-12.5° (1961)
14	40.3°	17.1°	18%	62.8° (2021)	-8.1° (1972)
15	40.1°	16.3°	17%	60.8° (2025)	-12.8° (2008)
16	39.9°	15.8°	12%	64.4° (2025)	-4° (1960)
17	40.1°	16.9°	12%	66° (1980)	-6° (2016)
18	39°	16.2°	20%	56.3° (2013)	-16.4° (2016)
19	39.9°	16.3°	20%	68.5° (2025)	-7.2° (2016)
20	39.6°	16°	13%	59.2° (1981)	-8.9° (1973)
21	39.2°	15.4°	18%	60.1° (2025)	-18.9° (1990)
22	37.4°	14.5°	23%	72.3° (2025)	-23.1° (1990)
23	36.9°	14.2°	18%	64.2° (1964)	-17.9° (2022)
24	36.7°	12.4°	22%	66.2° (2025)	-20.2° (1983)
25	38.3°	14.2°	18%	69.3° (2025)	-14.3° (1983)
26	38.8°	14.4°	12%	63.5° (2025)	-15° (1962)
27	38.3°	14.9°	17%	65.5° (1980)	-11.2° (2015)
28	37.6°	14.5°	22%	56.7° (1999)	-10.8° (2015)
29	36.7°	13.3°	10%	58.3° (2017)	-13.5° (1983)
30	37°	12.9°	17%	60.6° (1980)	-9.9° (2015)
31	34.9°	12°	18%	57.2° (2005)	-17.9° (2014)