Weather on May 10
Longmont, CO
55 Years of Data
Avg High
69°F
Avg Low
40°F
Warmest
1977
67°F avg
Coldest
1979
34°F avg
About This Date
May 10th in Longmont, CO typically brings mild spring weather, with average highs around 69°F and lows near 40°F — a 29°F daily swing. Over 54 years of records, the warmest May 10th was in 1977 (67°F average), while the coldest was 1979 (34°F) — a 33°F range across recorded history. Precipitation has occurred on 33% of recorded May 10th dates, with snow falling 7% of the time (heaviest snowfall: 3.9"). The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.6°F warmer on this date compared to 20-30 years ago.
Planning for May 10th in Longmont, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Cooling Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 77° | 45° | 61° | — | — |
| 2024 | 58° | 43° | 50° | — | — |
| 2023 | 81° | 50° | 65° | 1.45" | — |
| 2022 | 75° | 41° | 58° | — | — |
| 2021 | 53° | 40° | 46° | 0.2" | — |
| 2020 | 64° | 39° | 52° | — | — |
| 2019 | 41° | 33° | 37° | 0.71" | — |
| 2018 | 81° | 49° | 65° | — | — |
| 2017 | 62° | 49° | 55° | 0.71" | — |
| 2016 | 67° | 50° | 58° | — | — |
| 2015 | 44° | 29° | 36° | 1.35" | 3.9" |
| 2014 | 65° | 39° | 52° | 0.05" | — |
| 2013 | 66° | 37° | 52° | — | — |
| 2012 | 82° | 46° | 64° | — | — |
| 2011 | 74° | 45° | 59° | — | — |
| 2010 | 65° | 41° | 53° | — | — |
| 2008 | 69° | 40° | 54° | 0.61" | — |
| 2007 | 77° | 48° | 63° | — | — |
| 2006 | 62° | 32° | 47° | 0.89" | 0.1" |
| 2005 | 76° | 44° | 60° | — | — |
| 2004 | 85° | 46° | 65° | — | — |
| 2003 | 46° | 27° | 36° | 3.43" | 1.4" |
| 2002 | 65° | 27° | 46° | — | — |
| 2001 | 73° | 38° | 55° | — | — |
| 2000 | 75° | 35° | 55° | — | — |
| 1999 | 83° | 33° | 58° | 0.03" | — |
| 1998 | 65° | 38° | 51° | — | — |
| 1997 | 73° | 35° | 54° | — | — |
| 1996 | 67° | 35° | 51° | 0.33" | — |
| 1995 | 62° | 37° | 50° | — | — |
| 1994 | 73° | 38° | 55° | 0.2" | — |
| 1993 | 61° | 32° | 46° | — | — |
| 1992 | 82° | 42° | 62° | 0.05" | — |
| 1991 | 84° | 47° | 65° | — | — |
| 1990 | 59° | 34° | 46° | — | — |
| 1989 | 54° | 41° | 47° | 0.05" | — |
| 1988 | 75° | 37° | 56° | — | — |
| 1987 | 86° | 47° | 66° | — | — |
| 1986 | 72° | 33° | 52° | — | — |
| 1985 | 80° | 54° | 67° | — | — |
| 1984 | 83° | 40° | 61° | — | — |
| 1983 | 84° | 39° | 62° | — | — |
| 1982 | 82° | 45° | 63° | — | — |
| 1981 | 55° | 32° | 44° | 0.2" | — |
| 1980 | 70° | 42° | 56° | — | — |
| 1979coldest | 35° | 32° | 34° | 0.33" | 2" |
| 1978 | 61° | 32° | 46° | — | — |
| 1977warmest | 83° | 51° | 67° | 0.05" | — |
| 1976 | 68° | 44° | 56° | — | — |
| 1975 | 73° | 42° | 58° | — | — |
| 1974 | 80° | 48° | 64° | — | — |
| 1973 | 77° | 40° | 58° | — | — |
| 1972 | 60° | 45° | 52° | — | — |
| 1971 | 61° | 43° | 52° | 0.13" | — |
54 years of data from LONGMONT 2 ESE