Weather on June 11
Longmont, CO
55 Years of Data
Avg High
82°F
Avg Low
50°F
Warmest
1973
78°F avg
Coldest
1975
43°F avg
About This Date
June 11th in Longmont, CO typically brings warm summer weather, with average highs around 82°F and lows near 50°F — a 32°F daily swing. Over 55 years of records, the warmest June 11th was in 1973 (78°F average), while the coldest was 1975 (43°F) — a 35°F range across recorded history. Rain or other precipitation has occurred on about 18% of June 11th dates historically, with the wettest June 11th recording 2.57" of rain. The last decade has been 7.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 7.6°F warmer on this date compared to 20-30 years ago.
Planning for June 11th in Longmont, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 93° | 53° | 73° | — | — |
| 2024 | 84° | 57° | 71° | — | — |
| 2023 | 74° | 52° | 63° | — | — |
| 2022 | 94° | 58° | 76° | — | — |
| 2021 | 92° | 53° | 72° | — | — |
| 2020 | 81° | 49° | 65° | — | — |
| 2019 | 81° | 47° | 64° | — | — |
| 2018 | 96° | 60° | 78° | — | — |
| 2017 | 81° | 58° | 69° | — | — |
| 2016 | 92° | 55° | 73° | — | — |
| 2015 | 72° | 54° | 63° | 0.51" | — |
| 2014 | 84° | 57° | 71° | 0.05" | — |
| 2013 | 98° | 58° | 78° | — | — |
| 2012 | 78° | 50° | 64° | — | — |
| 2011 | 77° | 46° | 62° | — | — |
| 2010 | 72° | 56° | 64° | 2.57" | — |
| 2009 | 70° | 48° | 59° | 0.05" | — |
| 2008 | 87° | 44° | 66° | — | — |
| 2007 | 87° | 53° | 70° | — | — |
| 2006 | 91° | 52° | 71° | — | — |
| 2005 | 70° | 39° | 54° | — | — |
| 2004 | 81° | 53° | 67° | — | — |
| 2003 | 82° | 50° | 66° | — | — |
| 2002 | 78° | 44° | 61° | — | — |
| 2001 | 97° | 48° | 72° | — | — |
| 2000 | 86° | 43° | 64° | — | — |
| 1999 | 72° | 38° | 55° | 0.03" | — |
| 1998 | 73° | 42° | 58° | 0.03" | — |
| 1997 | 74° | 47° | 60° | 0.08" | — |
| 1996 | 92° | 51° | 71° | — | — |
| 1995 | 57° | 42° | 50° | — | — |
| 1994 | 82° | 46° | 64° | — | — |
| 1993 | 80° | 50° | 65° | — | — |
| 1992 | 80° | 48° | 64° | — | — |
| 1991 | 77° | 49° | 63° | 0.41" | — |
| 1990 | 91° | 53° | 72° | — | — |
| 1989 | 75° | 49° | 62° | — | — |
| 1988 | 89° | 53° | 71° | — | — |
| 1987 | 82° | 50° | 66° | — | — |
| 1986 | 78° | 42° | 60° | — | — |
| 1985 | 67° | 49° | 58° | — | — |
| 1984 | 69° | 44° | 57° | — | — |
| 1983 | 83° | 49° | 66° | — | — |
| 1982 | 80° | 52° | 66° | — | — |
| 1981 | 85° | 56° | 70° | — | — |
| 1980 | 88° | 59° | 73° | — | — |
| 1979 | 74° | 46° | 60° | — | — |
| 1978 | 94° | 50° | 72° | — | — |
| 1977 | 90° | 57° | 73° | 0.18" | — |
| 1976 | 93° | 51° | 72° | — | — |
| 1975coldest | 53° | 34° | 43° | 0.79" | — |
| 1974 | 77° | 49° | 63° | — | — |
| 1973warmest | 99° | 57° | 78° | — | — |
| 1972 | 84° | 59° | 72° | — | — |
| 1971 | 79° | 44° | 61° | — | — |
55 years of data from LONGMONT 2 ESE