Weather on July 4
Longmont, CO
55 Years of Data
Avg High
90°F
Avg Low
56°F
Warmest
1996
84°F avg
Coldest
1972
51°F avg
About This Date
July 4th in Longmont, CO typically brings hot summer weather, with average highs around 90°F and lows near 56°F — a 34°F daily swing. Over 55 years of records, the warmest July 4th was in 1996 (84°F average), while the coldest was 1972 (51°F) — a 33°F range across recorded history. Rain or other precipitation has occurred on about 25% of July 4th dates historically, with the wettest July 4th recording 0.64" 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 July 4th in Longmont, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 95° | 65° | 80° | — | — |
| 2024 | 92° | 51° | 71° | — | — |
| 2023 | 93° | 56° | 74° | 0.03" | — |
| 2022 | 92° | 58° | 75° | 0.03" | — |
| 2021 | 90° | 59° | 74° | 0.1" | — |
| 2020 | 91° | 61° | 76° | — | — |
| 2019 | 94° | 60° | 77° | — | — |
| 2018 | 94° | 59° | 76° | — | — |
| 2017 | 92° | 55° | 73° | — | — |
| 2016 | 91° | 61° | 76° | 0.03" | — |
| 2015 | 87° | 57° | 72° | 0.46" | — |
| 2014 | 90° | 58° | 74° | 0.03" | — |
| 2013 | 90° | 60° | 75° | 0.15" | — |
| 2012 | 96° | 61° | 78° | — | — |
| 2011 | 98° | 56° | 77° | — | — |
| 2010 | 82° | 59° | 71° | — | — |
| 2009 | 76° | 57° | 66° | 0.13" | — |
| 2008 | 94° | 54° | 74° | — | — |
| 2007 | 87° | 58° | 72° | — | — |
| 2006 | 86° | 54° | 70° | — | — |
| 2005 | 83° | 51° | 67° | — | — |
| 2004 | 90° | 52° | 71° | — | — |
| 2003 | 100° | 60° | 80° | — | — |
| 2002 | 99° | 67° | 83° | 0.13" | — |
| 2001 | 90° | 54° | 72° | — | — |
| 2000 | 93° | 59° | 76° | — | — |
| 1999 | 99° | 67° | 83° | — | — |
| 1998 | 86° | 51° | 69° | — | — |
| 1997 | 71° | 50° | 61° | — | — |
| 1996warmest | 101° | 68° | 84° | — | — |
| 1995 | 79° | 50° | 64° | — | — |
| 1994 | 91° | 52° | 71° | 0.1" | — |
| 1993 | 94° | 45° | 69° | — | — |
| 1992 | 86° | 52° | 69° | — | — |
| 1991 | 85° | 56° | 70° | — | — |
| 1990 | 96° | 55° | 76° | 0.64" | — |
| 1989 | 99° | 57° | 78° | — | — |
| 1988 | 97° | 58° | 77° | — | — |
| 1987 | 88° | 53° | 70° | — | — |
| 1986 | 99° | 61° | 80° | — | — |
| 1985 | 91° | 62° | 77° | — | — |
| 1984 | 89° | 57° | 73° | — | — |
| 1983 | 86° | 50° | 68° | — | — |
| 1982 | 91° | 56° | 73° | — | — |
| 1981 | 83° | 55° | 69° | 0.33" | — |
| 1980 | 90° | 56° | 73° | — | — |
| 1979 | 91° | 61° | 76° | 0.25" | — |
| 1978 | 99° | 51° | 75° | — | — |
| 1977 | 90° | 62° | 76° | — | — |
| 1976 | 82° | 55° | 69° | — | — |
| 1975 | 94° | 56° | 75° | — | — |
| 1974 | 87° | 50° | 69° | — | — |
| 1973 | 98° | 58° | 78° | — | — |
| 1972coldest | 55° | 46° | 51° | 0.1" | — |
| 1971 | 95° | 55° | 75° | — | — |
55 years of data from LONGMONT 2 ESE