Weather on May 9
Arvada, CO
55 Years of Data
Avg High
65°F
Avg Low
39°F
Warmest
1991
68°F avg
Coldest
1979
30°F avg
About This Date
May 9th in Arvada, CO typically brings mild spring weather, with average highs around 65°F and lows near 39°F — a 26°F daily swing. Over 55 years of records, the warmest May 9th was in 1991 (68°F average), while the coldest was 1979 (30°F) — a 38°F range across recorded history. Precipitation has occurred on 31% of recorded May 9th dates, with snow falling 2% of the time. The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.8°F warmer on this date compared to 20-30 years ago.
Planning for May 9th in Arvada, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.9°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 43° | 55° | — | — |
| 2024 | 56° | 38° | 47° | — | — |
| 2023 | 72° | 42° | 57° | — | — |
| 2022 | 76° | 39° | 57° | — | — |
| 2021 | 77° | 35° | 56° | 1.07" | — |
| 2020 | 63° | 34° | 48° | — | — |
| 2019 | 44° | 32° | 38° | 2.79" | 0.5" |
| 2018 | 76° | 47° | 61° | — | — |
| 2017 | 76° | 46° | 61° | 1.27" | — |
| 2016 | 65° | 32° | 48° | 0.38" | — |
| 2015 | 57° | 45° | 51° | 3.86" | — |
| 2014 | 55° | 35° | 45° | — | — |
| 2013 | 61° | 40° | 50° | 2.79" | — |
| 2012 | 65° | 41° | 53° | — | — |
| 2011 | 64° | 39° | 52° | — | — |
| 2010 | 62° | 35° | 49° | — | — |
| 2009 | 51° | 30° | 41° | — | — |
| 2008 | 60° | 30° | 45° | — | — |
| 2007 | 61° | 35° | 48° | — | — |
| 2006 | 54° | 29° | 41° | — | — |
| 2005 | 67° | 34° | 50° | — | — |
| 2004 | 69° | 47° | 58° | — | — |
| 2003 | 39° | 29° | 34° | — | — |
| 2002 | 60° | 26° | 43° | — | — |
| 2001 | 78° | 53° | 66° | — | — |
| 2000 | 46° | 35° | 41° | 1.83" | — |
| 1999 | 81° | 55° | 68° | — | — |
| 1998 | 61° | 21° | 41° | 0.53" | — |
| 1997 | 62° | 31° | 46° | — | — |
| 1996 | 80° | 46° | 63° | — | — |
| 1995 | 55° | 37° | 46° | 0.2" | — |
| 1994 | 74° | 47° | 60° | — | — |
| 1993 | 61° | 33° | 47° | 0.18" | — |
| 1992 | 79° | 52° | 65° | — | — |
| 1991warmest | 82° | 54° | 68° | — | — |
| 1990 | 52° | 32° | 42° | — | — |
| 1989 | 78° | 46° | 62° | 0.97" | — |
| 1988 | 66° | 36° | 51° | — | — |
| 1987 | 77° | 48° | 63° | — | — |
| 1986 | 44° | 30° | 37° | 0.66" | — |
| 1985 | 83° | 48° | 65° | — | — |
| 1984 | 71° | 35° | 53° | — | — |
| 1983 | 76° | 40° | 58° | — | — |
| 1982 | 75° | 42° | 59° | — | — |
| 1981 | 59° | 33° | 46° | 0.38" | — |
| 1980 | 55° | 39° | 47° | 1.27" | — |
| 1979coldest | 33° | 26° | 30° | 0.61" | — |
| 1978 | 67° | 42° | 54° | — | — |
| 1977 | 83° | 47° | 65° | — | — |
| 1976 | 67° | 42° | 54° | — | — |
| 1975 | 69° | 40° | 54° | — | — |
| 1974 | 78° | 52° | 65° | 0.46" | — |
| 1973 | 77° | 44° | 61° | — | — |
| 1972 | 61° | 44° | 52° | — | — |
| 1971 | 62° | 41° | 52° | 0.28" | — |
55 years of data from WATERTON NORTH COLORADO