Weather on August 30
Longmont, CO
55 Years of Data
Avg High
87°F
Avg Low
52°F
Warmest
2005
78°F avg
Coldest
1974
60°F avg
About This Date
August 30th in Longmont, CO typically brings warm summer weather, with average highs around 87°F and lows near 52°F — a 35°F daily swing. Over 55 years of records, the warmest August 30th was in 2005 (78°F average), while the coldest was 1974 (60°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 13% of August 30th dates historically, with the wettest August 30th recording 3.2" of rain. The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.1°F warmer on this date compared to 20-30 years ago.
Planning for August 30th in Longmont, CO? Stay hydrated and seek shade during peak afternoon hours.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 82° | 58° | 70° | 0.08" | — |
| 2024 | 84° | 52° | 68° | — | — |
| 2023 | 83° | 53° | 68° | — | — |
| 2022 | 87° | 56° | 71° | — | — |
| 2021 | 83° | 54° | 68° | — | — |
| 2020 | 79° | 57° | 68° | 0.05" | — |
| 2019 | 87° | 57° | 72° | — | — |
| 2018 | 89° | 52° | 70° | — | — |
| 2017 | 89° | 54° | 71° | — | — |
| 2016 | 81° | 51° | 66° | 0.08" | — |
| 2015 | 96° | 54° | 75° | — | — |
| 2014 | 87° | 49° | 68° | — | — |
| 2013 | 91° | 64° | 78° | — | — |
| 2012 | 92° | 64° | 78° | — | — |
| 2011 | 92° | 58° | 75° | — | — |
| 2010 | 82° | 62° | 72° | 0.18" | — |
| 2009 | 71° | 56° | 63° | — | — |
| 2008 | 88° | 48° | 68° | — | — |
| 2007 | 86° | 53° | 70° | — | — |
| 2006 | 90° | 51° | 70° | — | — |
| 2005warmest | 96° | 59° | 78° | — | — |
| 2004 | 84° | 48° | 66° | — | — |
| 2003 | 81° | 53° | 67° | 3.2" | — |
| 2002 | 78° | 41° | 60° | 0.08" | — |
| 2001 | 92° | 44° | 68° | — | — |
| 2000 | 85° | 50° | 67° | — | — |
| 1999 | 85° | 46° | 65° | — | — |
| 1998 | 94° | 45° | 69° | — | — |
| 1997 | 95° | 55° | 75° | — | — |
| 1996 | 84° | 49° | 66° | — | — |
| 1995 | 97° | 56° | 76° | — | — |
| 1994 | 93° | 54° | 73° | — | — |
| 1993 | 88° | 47° | 67° | — | — |
| 1992 | — | 45° | — | — | — |
| 1991 | 87° | 53° | 70° | — | — |
| 1990 | 97° | 57° | 77° | — | — |
| 1989 | 88° | 51° | 69° | — | — |
| 1988 | 82° | 46° | 64° | — | — |
| 1987 | 82° | 53° | 68° | — | — |
| 1986 | 90° | 55° | 72° | — | — |
| 1985 | 95° | 55° | 75° | — | — |
| 1984 | 98° | 48° | 73° | — | — |
| 1983 | 87° | 56° | 71° | — | — |
| 1982 | 94° | 54° | 74° | — | — |
| 1981 | 95° | 51° | 73° | — | — |
| 1980 | 87° | 53° | 70° | — | — |
| 1979 | 90° | 52° | 71° | — | — |
| 1978 | 81° | 52° | 66° | 0.81" | — |
| 1977 | 85° | 48° | 66° | — | — |
| 1976 | 88° | 54° | 71° | — | — |
| 1975 | 90° | 48° | 69° | — | — |
| 1974coldest | 74° | 46° | 60° | — | — |
| 1973 | 87° | 51° | 69° | — | — |
| 1972 | 81° | 51° | 66° | — | — |
| 1971 | 83° | 54° | 68° | — | — |
55 years of data from LONGMONT 2 ESE