As of 03:38 MDT

Longmont, CO weather in January

70°

Longmont, Sunday, 9 August, 03:38

Partly cloudy. Feels like 68°. High 97°, low 69°.

Pressure29.85 inHg

Wind1 mph SW

Humidity37%

Visibility6.2 mi

Dew point42°

See detailed hourly forecast

In January, Longmont, CO averages a high of 38.5° and a low of 16.4°. About 0.8 inches of precipitation fall over the month (5 wet days). The record high is 63.1° (2009) and the record low -36.8° (1963). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	34.2°	13.1°	23%	60.4° (1997)	-12.5° (1979)
2	36.1°	12.7°	17%	61.9° (1997)	-9.4° (1979)
3	35.2°	14.4°	17%	54.9° (2003)	-13.4° (1974)
4	35.2°	14.2°	10%	55.8° (1987)	-20.7° (1972)
5	35.2°	14.2°	15%	55.2° (2001)	-17.1° (1971)
6	35.1°	14.4°	18%	59.2° (2006)	-16.6° (1971)
7	36°	14°	13%	61.9° (2006)	-11° (1971)
8	37.8°	15.1°	18%	60.6° (2003)	-16.1° (2010)
9	36°	16.5°	12%	56.8° (2018)	-16.2° (1962)
10	38.7°	15.6°	13%	55.9° (1990)	-34.1° (1962)
11	38.5°	16.9°	18%	57.6° (2000)	-14.8° (1963)
12	38.3°	16°	20%	57.9° (1996)	-36.8° (1963)
13	38.8°	15.4°	7%	58.8° (1996)	-15° (1963)
14	39.4°	17.2°	10%	58.8° (2023)	-14.1° (2024)
15	40.3°	17.1°	13%	59.2° (1995)	-19.8° (2024)
16	37.9°	17.8°	23%	56.5° (2009)	-27.8° (2024)
17	39.6°	17.4°	8%	58.5° (2000)	-6.2° (1987)
18	40.3°	17.4°	18%	57° (2009)	-12.6° (1984)
19	39.9°	18.5°	23%	61° (2018)	-20.9° (1963)
20	39.2°	17.6°	17%	63° (2005)	-14.3° (1984)
21	39.9°	16.5°	18%	63.1° (2009)	-11.6° (1962)
22	39.4°	17.1°	17%	61.7° (2009)	-12.8° (1962)
23	40.6°	16.9°	15%	58.8° (2005)	-15.5° (1963)
24	40.5°	18.3°	12%	61.3° (1970)	-3.3° (1969)
25	39.6°	19°	22%	56.7° (2005)	3.9° (1990)
26	40.1°	17.6°	17%	61.3° (1975)	-4.9° (1996)
27	39.9°	17.6°	23%	62.2° (2003)	-18.9° (1963)
28	40.6°	17.1°	18%	59.5° (2011)	-7.1° (1963)
29	39.4°	17.8°	23%	58.6° (1976)	-5.3° (2023)
30	40.8°	16.9°	15%	59.4° (1986)	-13.5° (2023)
31	40.1°	17.2°	20%	61.7° (2003)	-15.9° (1985)