Weather on May 15
Greeley, CO
55 Years of Data
Avg High
75°F
Avg Low
45°F
Warmest
1996
72°F avg
Coldest
2011
45°F avg
About This Date
May 15th in Greeley, CO typically brings pleasant spring weather, with average highs around 75°F and lows near 45°F — a 30°F daily swing. Over 55 years of records, the warmest May 15th was in 1996 (72°F average), while the coldest was 2011 (45°F) — a 27°F range across recorded history. Rain or other precipitation has occurred on about 36% of May 15th dates historically, with the wettest May 15th recording 2.21" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.
Planning for May 15th in Greeley, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 71° | 41° | 56° | 2.21" | — |
| 2024 | 80° | 47° | 63° | 0.3" | — |
| 2023 | 63° | 50° | 56° | 0.13" | — |
| 2022 | 78° | 52° | 65° | — | — |
| 2021 | 72° | 50° | 61° | 0.28" | — |
| 2020 | 69° | 50° | 60° | — | — |
| 2019 | 89° | 46° | 68° | — | — |
| 2018 | 77° | 43° | 60° | — | — |
| 2017 | 80° | 51° | 66° | — | — |
| 2016 | 56° | 41° | 48° | — | — |
| 2015 | 75° | 49° | 62° | 0.2" | — |
| 2014 | 63° | 44° | 53° | 0.13" | — |
| 2013 | 88° | 54° | 71° | — | — |
| 2012 | 83° | 43° | 63° | — | — |
| 2011coldest | 52° | 39° | 45° | — | — |
| 2010 | 65° | 42° | 53° | 0.25" | — |
| 2009 | 81° | 50° | 65° | — | — |
| 2008 | 65° | 42° | 53° | 0.18" | — |
| 2007 | 66° | 48° | 57° | 1.73" | — |
| 2006 | 79° | 38° | 58° | — | — |
| 2005 | 81° | 43° | 62° | — | — |
| 2004 | 71° | 43° | 57° | — | — |
| 2003 | 69° | 48° | 59° | — | — |
| 2002 | 81° | 46° | 63° | 0.25" | — |
| 2001 | 86° | 52° | 69° | — | — |
| 2000 | 86° | 43° | 64° | — | — |
| 1999 | 75° | 44° | 60° | — | — |
| 1998 | 73° | 45° | 59° | — | — |
| 1997 | 79° | 44° | 61° | 0.08" | — |
| 1996warmest | 90° | 54° | 72° | — | — |
| 1995 | 85° | 42° | 63° | — | — |
| 1994 | 83° | 44° | 63° | — | — |
| 1993 | 79° | 49° | 64° | 0.38" | — |
| 1992 | 86° | 46° | 66° | — | — |
| 1991 | 65° | 47° | 56° | 0.43" | — |
| 1990 | 71° | 45° | 58° | 0.05" | — |
| 1989 | 62° | 40° | 51° | 0.2" | — |
| 1988 | 79° | 47° | 63° | — | — |
| 1987 | 84° | 52° | 68° | — | — |
| 1986 | 66° | 44° | 55° | 1.14" | — |
| 1985 | 73° | 36° | 54° | — | — |
| 1984 | 88° | 53° | 70° | — | — |
| 1983 | 56° | 36° | 46° | 0.1" | — |
| 1982 | 66° | 38° | 52° | — | — |
| 1981 | 76° | 43° | 59° | — | — |
| 1980 | 53° | 47° | 50° | 1.75" | — |
| 1979 | 82° | 46° | 64° | — | — |
| 1978 | 91° | 50° | 71° | — | — |
| 1977 | 73° | 45° | 59° | 0.43" | — |
| 1976 | 85° | 42° | 63° | 0.23" | — |
| 1975 | 83° | 46° | 64° | — | — |
| 1974 | 74° | 41° | 57° | — | — |
| 1973 | 80° | 37° | 59° | — | — |
| 1972 | 83° | 41° | 62° | — | — |
| 1971 | 76° | 45° | 60° | — | — |
55 years of data from GREELEY UNC