Weather on May 16
Longmont, CO
55 Years of Data
Avg High
74°F
Avg Low
44°F
Warmest
1978
72°F avg
Coldest
1986
41°F avg
About This Date
May 16th in Longmont, CO typically brings pleasant spring weather, with average highs around 74°F and lows near 44°F — a 30°F daily swing. Over 54 years of records, the warmest May 16th was in 1978 (72°F average), while the coldest was 1986 (41°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 30% of May 16th dates historically, with the wettest May 16th recording 2.08" of rain. The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.6°F cooler on this date compared to 20-30 years ago.
Planning for May 16th in Longmont, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 68° | 43° | 55° | — | — |
| 2024 | 70° | 47° | 58° | — | — |
| 2023 | 61° | 44° | 52° | — | — |
| 2022 | 79° | 46° | 62° | — | — |
| 2021 | 65° | 50° | 57° | — | — |
| 2020 | 69° | 49° | 59° | 0.46" | — |
| 2019 | 87° | 50° | 69° | — | — |
| 2018 | 77° | 48° | 63° | — | — |
| 2017 | 71° | 49° | 60° | 0.1" | — |
| 2016 | 50° | 41° | 46° | 1.47" | — |
| 2015 | 63° | 38° | 50° | 0.03" | — |
| 2014 | 62° | 41° | 52° | 0.05" | — |
| 2013 | 80° | 51° | 66° | — | — |
| 2012 | 83° | 44° | 63° | — | — |
| 2011 | 62° | 41° | 52° | — | — |
| 2010 | 67° | 35° | 51° | — | — |
| 2008 | 71° | 39° | 55° | — | — |
| 2007 | 72° | 41° | 56° | — | — |
| 2006 | 79° | 40° | 59° | — | — |
| 2005 | 78° | 50° | 64° | — | — |
| 2004 | 69° | 46° | 58° | — | — |
| 2003 | 70° | 52° | 61° | 0.18" | — |
| 2002 | 79° | 40° | 59° | 0.05" | — |
| 2001 | 89° | 50° | 70° | — | — |
| 2000 | 87° | 41° | 64° | — | — |
| 1999 | 74° | 43° | 58° | 0.23" | — |
| 1998 | 75° | 36° | 55° | — | — |
| 1997 | 77° | 40° | 58° | — | — |
| 1996 | 92° | 49° | 70° | — | — |
| 1995 | 85° | 46° | 65° | — | — |
| 1994 | 84° | 43° | 63° | — | — |
| 1993 | 84° | 48° | 66° | 1.17" | — |
| 1992 | 86° | 36° | 61° | — | — |
| 1991 | 67° | 45° | 56° | 0.89" | — |
| 1990 | 71° | 39° | 55° | — | — |
| 1989 | 62° | 43° | 52° | — | — |
| 1988 | 78° | 43° | 60° | — | — |
| 1987 | 86° | 51° | 69° | — | — |
| 1986coldest | 45° | 38° | 41° | 1.75" | — |
| 1985 | 69° | 49° | 59° | 0.38" | — |
| 1984 | 88° | 53° | 70° | — | — |
| 1983 | 68° | 39° | 54° | — | — |
| 1982 | 66° | 40° | 53° | 0.25" | — |
| 1981 | 76° | 41° | 58° | — | — |
| 1980 | 55° | 41° | 48° | 2.08" | — |
| 1979 | 80° | 45° | 62° | — | — |
| 1978warmest | 91° | 54° | 72° | — | — |
| 1977 | 73° | 46° | 60° | — | — |
| 1976 | 50° | 38° | 44° | 0.13" | — |
| 1975 | 85° | 44° | 64° | — | — |
| 1974 | 78° | 40° | 59° | — | — |
| 1973 | 78° | 43° | 60° | — | — |
| 1972 | 84° | 43° | 63° | — | — |
| 1971 | 74° | 43° | 58° | 0.03" | — |
54 years of data from LONGMONT 2 ESE