Weather on July 23
Longmont, CO
55 Years of Data
About This Date
July 23rd in Longmont, CO typically brings warm summer weather, with average highs around 89°F and lows near 58°F — a 31°F daily swing. Over 55 years of records, the warmest July 23rd was in 1982 (81°F average), while the coldest was 1990 (61°F) — a 20°F range across recorded history. Rain or other precipitation has occurred on about 33% of July 23rd dates historically, with the wettest July 23rd recording 1.85" of rain. The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.3°F warmer on this date compared to 20-30 years ago.
Planning for July 23rd in Longmont, CO? Stay hydrated and seek shade during peak afternoon hours. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 91° | 62° | 77° | — | — |
| 2024 | 84° | 56° | 70° | — | — |
| 2023 | 90° | 57° | 73° | — | — |
| 2022 | 98° | 65° | 81° | — | — |
| 2021 | 95° | 64° | 80° | — | — |
| 2020 | 91° | 61° | 76° | 0.2" | — |
| 2019 | 81° | 60° | 70° | — | — |
| 2018 | 92° | 65° | 78° | 0.08" | — |
| 2017 | 91° | 57° | 74° | — | — |
| 2016 | 95° | 62° | 79° | 0.41" | — |
| 2015 | 92° | 54° | 73° | — | — |
| 2014 | 91° | 60° | 76° | — | — |
| 2013 | 93° | 59° | 76° | — | — |
| 2012 | 94° | 62° | 78° | — | — |
| 2011 | 94° | 59° | 76° | — | — |
| 2010 | 94° | 56° | 75° | — | — |
| 2009 | 90° | 54° | 72° | — | — |
| 2008 | 94° | 68° | 81° | — | — |
| 2007 | 95° | 63° | 79° | — | — |
| 2006 | 93° | 57° | 75° | — | — |
| 2005 | 99° | 63° | 81° | 0.13" | — |
| 2004 | 78° | 56° | 67° | 1.85" | — |
| 2003 | 90° | 60° | 75° | — | — |
| 2002 | 84° | 52° | 68° | — | — |
| 2001 | 97° | 54° | 75° | — | — |
| 2000 | 89° | 59° | 74° | — | — |
| 1999 | 92° | 51° | 71° | 0.05" | — |
| 1998 | 81° | 56° | 68° | 0.25" | — |
| 1997 | 96° | 57° | 77° | — | — |
| 1996 | 85° | 53° | 69° | — | — |
| 1995 | 89° | 51° | 70° | 0.05" | — |
| 1994 | 90° | 59° | 74° | — | — |
| 1993 | 87° | 51° | 69° | — | — |
| 1992 | 82° | 52° | 67° | 0.13" | — |
| 1991 | 82° | 55° | 69° | 1.75" | — |
| 1990coldest | 71° | 50° | 61° | 0.08" | — |
| 1989 | 88° | 55° | 71° | — | — |
| 1988 | 91° | 68° | 80° | 0.03" | — |
| 1987 | 94° | 55° | 74° | — | — |
| 1986 | 88° | 56° | 72° | 0.13" | — |
| 1985 | 84° | 59° | 72° | 0.28" | — |
| 1984 | 92° | 59° | 75° | — | — |
| 1983 | 80° | 60° | 70° | — | — |
| 1982warmest | 102° | 60° | 81° | — | — |
| 1981 | 88° | 61° | 74° | — | — |
| 1980 | 94° | 60° | 77° | — | — |
| 1979 | 89° | 58° | 73° | — | — |
| 1978 | 77° | 51° | 64° | — | — |
| 1977 | 88° | 59° | 73° | — | — |
| 1976 | 90° | 56° | 73° | 0.66" | — |
| 1975 | 90° | 58° | 74° | — | — |
| 1974 | 80° | 53° | 67° | 0.15" | — |
| 1973 | 78° | 48° | 63° | 0.23" | — |
| 1972 | 96° | 54° | 75° | — | — |
| 1971 | 83° | 54° | 68° | 0.79" | — |
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.