Weather on June 1
Longmont, CO
55 Years of Data
Avg High
76°F
Avg Low
46°F
Warmest
2020
73°F avg
Coldest
1983
47°F avg
About This Date
June 1st in Longmont, CO typically brings pleasant summer weather, with average highs around 76°F and lows near 46°F — a 30°F daily swing. Over 55 years of records, the warmest June 1st was in 2020 (73°F average), while the coldest was 1983 (47°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 36% of June 1st dates historically, with the wettest June 1st recording 2.69" of rain. Temperatures on this date have remained relatively stable over the past several decades.
Temperatures on this date have remained relatively stable over the past several decades.
Planning for June 1st in Longmont, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 79° | 54° | 66° | — | — |
| 2024 | 72° | 49° | 60° | — | — |
| 2023 | 79° | 52° | 65° | 0.23" | — |
| 2022 | 62° | 42° | 52° | 2.08" | — |
| 2021 | 63° | 41° | 52° | 0.08" | — |
| 2020warmest | 91° | 56° | 73° | — | — |
| 2019 | 81° | 38° | 59° | 0.03" | — |
| 2018 | 92° | 52° | 72° | — | — |
| 2017 | 79° | 47° | 63° | 0.03" | — |
| 2016 | 72° | 48° | 60° | 2.69" | — |
| 2015 | 81° | 52° | 66° | 0.03" | — |
| 2014 | 82° | 53° | 68° | — | — |
| 2013 | 72° | 42° | 57° | — | — |
| 2012 | 81° | 47° | 64° | — | — |
| 2011 | 77° | 47° | 62° | — | — |
| 2010 | 77° | 49° | 63° | — | — |
| 2009 | 73° | 54° | 63° | 0.03" | — |
| 2008 | 80° | 47° | 63° | — | — |
| 2007 | 65° | 44° | 54° | — | — |
| 2006 | 82° | 45° | 63° | 0.05" | — |
| 2005 | 80° | 45° | 62° | — | — |
| 2004 | 77° | 43° | 60° | — | — |
| 2003 | 77° | 47° | 62° | — | — |
| 2002 | 95° | 49° | 72° | — | — |
| 2001 | 80° | 41° | 61° | — | — |
| 2000 | 80° | 44° | 62° | — | — |
| 1999 | 70° | 38° | 54° | — | — |
| 1998 | 81° | 46° | 63° | — | — |
| 1997 | 85° | 52° | 68° | — | — |
| 1996 | 78° | 49° | 63° | 0.15" | — |
| 1995 | 71° | 41° | 56° | 0.18" | — |
| 1994 | 78° | 48° | 63° | 0.13" | — |
| 1993 | 84° | 51° | 68° | — | — |
| 1992 | 63° | 42° | 52° | 1.19" | — |
| 1991 | 74° | 53° | 63° | 0.51" | — |
| 1990 | 75° | 44° | 60° | — | — |
| 1989 | 63° | 44° | 53° | 0.91" | — |
| 1988 | 68° | 38° | 53° | — | — |
| 1987 | 84° | 52° | 68° | — | — |
| 1986 | 75° | 53° | 64° | 0.36" | — |
| 1985 | 78° | 48° | 63° | — | — |
| 1984 | 85° | 54° | 69° | — | — |
| 1983coldest | 55° | 39° | 47° | 0.15" | — |
| 1982 | 64° | 45° | 54° | — | — |
| 1981 | 78° | 45° | 61° | 0.03" | — |
| 1980 | 83° | 44° | 63° | — | — |
| 1979 | 60° | 38° | 49° | — | — |
| 1978 | 61° | 41° | 51° | 0.76" | — |
| 1977 | 83° | 51° | 67° | — | — |
| 1976 | 80° | 46° | 63° | — | — |
| 1975 | 64° | 42° | 53° | 0.03" | — |
| 1974 | 74° | 43° | 58° | — | — |
| 1973 | 81° | 46° | 63° | — | — |
| 1972 | 87° | 50° | 69° | — | — |
| 1971 | 74° | 46° | 60° | — | — |
55 years of data from LONGMONT 2 ESE