Weather on June 21
Arvada, CO
55 Years of Data
Avg High
83°F
Avg Low
53°F
Warmest
2017
80°F avg
Coldest
2004
41°F avg
About This Date
June 21st in Arvada, CO typically brings warm summer weather, with average highs around 83°F and lows near 53°F — a 30°F daily swing. Over 55 years of records, the warmest June 21st was in 2017 (80°F average), while the coldest was 2004 (41°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 15% of June 21st dates historically, with the wettest June 21st recording 1.4" of rain. The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.7°F warmer on this date compared to 20-30 years ago.
Planning for June 21st in Arvada, CO? Stay hydrated and seek shade during peak afternoon hours.
Cooling Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 100° | 56° | 78° | — | — |
| 2024 | 90° | 61° | 75° | 0.15" | — |
| 2023 | 87° | 53° | 70° | — | — |
| 2022 | 90° | 50° | 70° | — | — |
| 2021 | 81° | 49° | 65° | 1.02" | — |
| 2020 | 85° | 43° | 64° | — | — |
| 2019 | 83° | 50° | 66° | 0.03" | — |
| 2018 | 76° | 51° | 63° | — | — |
| 2017warmest | 95° | 65° | 80° | — | — |
| 2016 | 76° | 56° | 66° | 1.4" | — |
| 2015 | 87° | 56° | 71° | — | — |
| 2014 | 85° | 58° | 71° | — | — |
| 2013 | 90° | 60° | 75° | — | — |
| 2012 | 74° | 52° | 63° | — | — |
| 2011 | 67° | 41° | 54° | — | — |
| 2010 | 73° | 47° | 60° | — | — |
| 2009 | 72° | 45° | 58° | — | — |
| 2008 | 74° | 42° | 58° | — | — |
| 2007 | 80° | 57° | 69° | — | — |
| 2006 | 66° | 48° | 57° | — | — |
| 2005 | 78° | 53° | 66° | — | — |
| 2004coldest | 48° | 34° | 41° | — | — |
| 2003 | 75° | 42° | 59° | — | — |
| 2002 | 84° | 61° | 72° | 0.2" | — |
| 2001 | 75° | 51° | 63° | — | — |
| 2000 | 84° | 42° | 63° | — | — |
| 1999 | 88° | 59° | 73° | — | — |
| 1998 | 81° | 53° | 67° | — | — |
| 1997 | 93° | 56° | 74° | — | — |
| 1996 | 88° | 56° | 72° | — | — |
| 1995 | 90° | 50° | 70° | — | — |
| 1994 | 85° | 55° | 70° | 0.28" | — |
| 1993 | 84° | 52° | 68° | 0.08" | — |
| 1992 | 79° | 58° | 68° | — | — |
| 1991 | 91° | 55° | 73° | — | — |
| 1990 | 87° | 54° | 70° | — | — |
| 1989 | 93° | 45° | 69° | — | — |
| 1988 | 92° | 65° | 78° | — | — |
| 1987 | 81° | 53° | 67° | 0.2" | — |
| 1986 | 84° | 53° | 69° | — | — |
| 1985 | 93° | 58° | 75° | — | — |
| 1984 | 84° | 53° | 69° | — | — |
| 1983 | 90° | 50° | 70° | — | — |
| 1982 | 79° | 50° | 64° | — | — |
| 1981 | 94° | 61° | 77° | — | — |
| 1980 | 85° | 54° | 69° | — | — |
| 1979 | 88° | 56° | 72° | — | — |
| 1978 | 90° | 58° | 74° | — | — |
| 1977 | 78° | 58° | 68° | — | — |
| 1976 | 90° | 58° | 74° | — | — |
| 1975 | 81° | 50° | 65° | — | — |
| 1974 | 91° | 63° | 77° | — | — |
| 1973 | 79° | 49° | 64° | — | — |
| 1972 | 84° | 50° | 67° | — | — |
| 1971 | 91° | 63° | 77° | — | — |
55 years of data from WATERTON NORTH COLORADO