Weather on May 15
Arvada, CO
55 Years of Data
Avg High
69°F
Avg Low
42°F
Warmest
1978
72°F avg
Coldest
1983
35°F avg
About This Date
May 15th in Arvada, CO typically brings mild spring weather, with average highs around 69°F and lows near 42°F — a 27°F daily swing. Over 55 years of records, the warmest May 15th was in 1978 (72°F average), while the coldest was 1983 (35°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 20% of May 15th dates historically, with the wettest May 15th recording 1.57" of rain. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for May 15th in Arvada, CO? Great weather for outdoor activities.
Cooling Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 33° | 51° | — | — |
| 2024 | 76° | 46° | 61° | 0.03" | — |
| 2023 | 60° | 47° | 53° | 0.64" | — |
| 2022 | 80° | 46° | 63° | — | — |
| 2021 | 67° | 42° | 54° | — | — |
| 2020 | 74° | 48° | 61° | — | — |
| 2019 | 78° | 50° | 64° | — | — |
| 2018 | 66° | 43° | 54° | 0.25" | — |
| 2017 | 84° | 48° | 66° | — | — |
| 2016 | 52° | 41° | 46° | — | — |
| 2015 | 74° | 47° | 60° | — | — |
| 2014 | 55° | 34° | 44° | — | — |
| 2013 | 85° | 58° | 71° | — | — |
| 2012 | 75° | 43° | 59° | — | — |
| 2011 | 42° | 28° | 35° | — | — |
| 2010 | 50° | 32° | 41° | — | — |
| 2009 | 63° | 35° | 49° | — | — |
| 2008 | 47° | 30° | 38° | — | — |
| 2007 | 51° | 34° | 42° | — | — |
| 2006 | 59° | 33° | 46° | — | — |
| 2005 | 65° | 34° | 49° | — | — |
| 2004 | 57° | 34° | 45° | — | — |
| 2003 | 60° | 39° | 50° | — | — |
| 2002 | 76° | 48° | 62° | — | — |
| 2001 | 80° | 52° | 66° | — | — |
| 2000 | 67° | 44° | 55° | — | — |
| 1999 | 71° | 40° | 55° | — | — |
| 1998 | 74° | 37° | 55° | — | — |
| 1997 | 69° | 37° | 53° | 0.3" | — |
| 1996 | 90° | 48° | 69° | — | — |
| 1995 | 65° | 35° | 50° | — | — |
| 1994 | 73° | 44° | 59° | — | — |
| 1993 | 78° | 47° | 62° | — | — |
| 1992 | 76° | 50° | 63° | — | — |
| 1991 | 82° | 52° | 67° | — | — |
| 1990 | 68° | 33° | 51° | 0.05" | — |
| 1989 | 52° | 37° | 44° | 1.57" | — |
| 1988 | 84° | 54° | 69° | — | — |
| 1987 | 78° | 49° | 63° | — | — |
| 1986 | 73° | 37° | 55° | — | — |
| 1985 | 67° | 36° | 51° | — | — |
| 1984 | 77° | 45° | 61° | 0.15" | — |
| 1983coldest | 40° | 30° | 35° | 0.1" | — |
| 1982 | 55° | 37° | 46° | — | — |
| 1981 | 73° | 42° | 58° | — | — |
| 1980 | 59° | 42° | 51° | 1.5" | — |
| 1979 | 79° | 47° | 63° | — | — |
| 1978warmest | 90° | 54° | 72° | — | — |
| 1977 | 74° | 43° | 58° | 0.08" | — |
| 1976 | 82° | 42° | 62° | 0.15" | — |
| 1975 | 81° | 41° | 61° | — | — |
| 1974 | 77° | 35° | 56° | — | — |
| 1973 | 75° | 38° | 56° | — | — |
| 1972 | 81° | 47° | 64° | — | — |
| 1971 | 68° | 49° | 58° | — | — |
55 years of data from WATERTON NORTH COLORADO