Weather on July 3
Longmont, CO
55 Years of Data
About This Date
July 3rd in Longmont, CO typically brings hot summer weather, with average highs around 90°F and lows near 55°F — a 35°F daily swing. Over 55 years of records, the warmest July 3rd was in 1999 (86°F average), while the coldest was 1972 (54°F) — a 32°F range across recorded history. Rain or other precipitation has occurred on about 27% of July 3rd dates historically, with the wettest July 3rd recording 0.58" of rain. The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 1.6°F cooler on this date compared to 20-30 years ago.
Planning for July 3rd in Longmont, CO? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 96° | 58° | 77° | — | — |
| 2024 | 87° | 55° | 71° | — | — |
| 2023 | 90° | 52° | 71° | — | — |
| 2022 | 88° | 61° | 74° | — | — |
| 2021 | 86° | 57° | 72° | 0.05" | — |
| 2020 | 96° | 61° | 78° | — | — |
| 2019 | 85° | 58° | 71° | — | — |
| 2018 | 95° | 58° | 76° | — | — |
| 2017 | 90° | 55° | 72° | — | — |
| 2016 | 88° | 56° | 72° | 0.2" | — |
| 2015 | 84° | 54° | 69° | 0.25" | — |
| 2014 | 86° | 51° | 69° | — | — |
| 2013 | 88° | 51° | 69° | — | — |
| 2012 | 89° | 62° | 76° | 0.43" | — |
| 2011 | 92° | 52° | 72° | 0.03" | — |
| 2010 | 91° | 56° | 73° | 0.08" | — |
| 2009 | 85° | 60° | 72° | 0.03" | — |
| 2008 | 80° | 54° | 67° | — | — |
| 2007 | 96° | 59° | 78° | 0.56" | — |
| 2006 | 83° | 60° | 71° | — | — |
| 2005 | 89° | 56° | 72° | 0.08" | — |
| 2004 | 89° | 51° | 70° | 0.08" | — |
| 2003 | 97° | 58° | 77° | — | — |
| 2002 | 98° | 57° | 78° | — | — |
| 2001 | 101° | 49° | 75° | — | — |
| 2000 | 94° | 53° | 73° | — | — |
| 1999warmest | 98° | 74° | 86° | — | — |
| 1998 | 95° | 57° | 76° | — | — |
| 1997 | 82° | 50° | 66° | — | — |
| 1996 | 98° | 56° | 77° | — | — |
| 1995 | 83° | 54° | 68° | — | — |
| 1994 | 90° | 49° | 69° | — | — |
| 1993 | 96° | 57° | 77° | — | — |
| 1992 | 71° | 44° | 58° | 0.03" | — |
| 1991 | 85° | 57° | 71° | — | — |
| 1990 | 103° | 56° | 79° | — | — |
| 1989 | 96° | 54° | 75° | — | — |
| 1988 | 92° | 52° | 72° | — | — |
| 1987 | 87° | 54° | 70° | — | — |
| 1986 | 95° | 57° | 76° | — | — |
| 1985 | 91° | 53° | 72° | — | — |
| 1984 | 91° | 54° | 72° | 0.23" | — |
| 1983 | 92° | 59° | 75° | — | — |
| 1982 | 86° | 57° | 72° | — | — |
| 1981 | 79° | 58° | 68° | 0.33" | — |
| 1980 | 87° | 55° | 71° | — | — |
| 1979 | 91° | 56° | 73° | — | — |
| 1978 | 96° | 55° | 76° | — | — |
| 1977 | 99° | 59° | 79° | — | — |
| 1976 | 86° | 53° | 70° | 0.56" | — |
| 1975 | 98° | 63° | 80° | — | — |
| 1974 | 98° | 52° | 75° | — | — |
| 1973 | 86° | 56° | 71° | — | — |
| 1972coldest | 64° | 45° | 54° | 0.58" | — |
| 1971 | 89° | 52° | 70° | — | — |
Longmont, CO Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Longmont, CO Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Longmont, CO Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Longmont, CO
Longmont, CO has no months that meet our "pleasant" threshold — every season has tradeoffs.