As of 01:21 MDT

Longmont, CO weather in May

77°

Longmont, Sunday, 9 August, 01:21

Overcast. Feels like 75°. High 97°, low 67°.

Pressure29.85 inHg

Wind3 mph W

Humidity27%

Visibility6.2 mi

Dew point40°

See detailed hourly forecast

In May, Longmont, CO averages a high of 67.5° and a low of 42.1°. About 3.6 inches of precipitation fall over the month (12 wet days). The record high is 90.5° (2000) and the record low 10° (2013). Normals are computed over the last 60 years.

Day	High	Low	Chance of precip.	Record high	Record low
1	60.6°	35.6°	38%	82.2° (2021)	14.7° (1989)
2	61.2°	36°	40%	78.3° (1981)	10° (2013)
3	63.9°	36.9°	33%	79.5° (2012)	16° (2013)
4	65.1°	37.9°	28%	84.9° (2000)	23.5° (1979)
5	65.8°	39.4°	35%	86.4° (2000)	29.8° (2013)
6	65.3°	40.3°	42%	82.6° (2004)	21.4° (1982)
7	64.9°	41°	40%	83.8° (1963)	27.5° (1978)
8	64.4°	39.7°	42%	82.2° (1963)	28.9° (1978)
9	64.9°	39.7°	45%	82.4° (1962)	23.4° (1978)
10	65.1°	40.3°	35%	83.8° (2018)	26.8° (1978)
11	64°	39.7°	42%	85.1° (2022)	14.2° (1979)
12	64.4°	39.6°	40%	85.5° (1962)	26.2° (1999)
13	66.7°	39.6°	28%	84.2° (2007)	16.9° (2014)
14	67.6°	41°	37%	82.8° (2013)	19.8° (2014)
15	68.7°	42.6°	38%	83.1° (1978)	31.6° (1967)
16	68.9°	43.2°	40%	84.9° (1996)	32.9° (2011)
17	68.7°	43.3°	38%	84.4° (1964)	28.4° (1968)
18	70.3°	43.2°	42%	85.1° (1996)	30° (1995)
19	69.3°	44.1°	38%	86.4° (2009)	31.6° (1971)
20	68.2°	44.2°	47%	87.8° (2005)	27.3° (2017)
21	69.8°	44.1°	30%	86.7° (2005)	29.7° (2022)
22	69.1°	45°	45%	90° (2012)	30.4° (2022)
23	68.7°	44.6°	38%	86.7° (2000)	33.6° (1983)
24	68.9°	44.4°	42%	84.4° (1964)	31.6° (2019)
25	69.3°	44.4°	47%	87.1° (1964)	36.5° (2019)
26	70.3°	45.1°	40%	88.3° (2006)	36° (1965)
27	71.6°	45.7°	32%	90° (2006)	39.2° (1965)
28	72.3°	46°	42%	88° (2000)	34.9° (1965)
29	71.8°	46.6°	42%	90.5° (2000)	36° (1992)
30	70.5°	47.1°	45%	86.7° (2002)	35.2° (1975)
31	70.7°	46.4°	48%	89.1° (2002)	35.6° (1973)