Weather on May 30
Longmont, CO
55 Years of Data
Avg High
76°F
Avg Low
46°F
Warmest
2003
80°F avg
Coldest
1975
43°F avg
About This Date
May 30th in Longmont, CO typically brings pleasant spring weather, with average highs around 76°F and lows near 46°F — a 30°F daily swing. Over 54 years of records, the warmest May 30th was in 2003 (80°F average), while the coldest was 1975 (43°F) — a 37°F range across recorded history. Rain or other precipitation has occurred on about 39% of May 30th dates historically, with the wettest May 30th recording 3.43" of rain. The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.0°F cooler on this date compared to 20-30 years ago.
Planning for May 30th in Longmont, CO? Great weather for outdoor activities. Consider bringing rain gear or an umbrella.
Warming Trend
0.7°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 69° | 45° | 57° | — | — |
| 2024 | 85° | 51° | 68° | — | — |
| 2023 | 84° | 52° | 68° | — | — |
| 2022 | 74° | 44° | 59° | 0.41" | — |
| 2021 | 69° | 54° | 61° | 0.28" | — |
| 2020 | 89° | 57° | 73° | 0.08" | — |
| 2019 | 73° | 37° | 55° | — | — |
| 2018 | 75° | 49° | 62° | — | — |
| 2017 | 74° | 42° | 58° | — | — |
| 2016 | 78° | 44° | 61° | — | — |
| 2015 | 73° | 44° | 59° | — | — |
| 2014 | 75° | 55° | 65° | 1.6" | — |
| 2013 | 70° | 44° | 57° | — | — |
| 2012 | 86° | 46° | 66° | — | — |
| 2011 | 69° | 50° | 60° | — | — |
| 2010 | 70° | 43° | 56° | 0.25" | — |
| 2008 | 78° | 48° | 63° | — | — |
| 2007 | 68° | 39° | 54° | — | — |
| 2006 | 69° | 42° | 56° | 0.23" | — |
| 2005 | 53° | 47° | 50° | 1.27" | — |
| 2004 | 71° | 40° | 55° | 0.05" | — |
| 2003warmest | 100° | 59° | 80° | — | — |
| 2002 | 87° | 47° | 67° | — | — |
| 2001 | 81° | 44° | 62° | — | — |
| 2000 | 96° | 54° | 75° | — | — |
| 1999 | 83° | 59° | 71° | — | — |
| 1998 | 90° | 47° | 68° | — | — |
| 1997 | 66° | 44° | 55° | 0.13" | — |
| 1996 | 72° | 46° | 59° | — | — |
| 1995 | 56° | 44° | 50° | 0.89" | — |
| 1994 | 89° | 45° | 67° | — | — |
| 1993 | 79° | 49° | 64° | 0.13" | — |
| 1992 | 69° | 39° | 54° | — | — |
| 1991 | 76° | 45° | 60° | 0.05" | — |
| 1990 | 64° | 42° | 53° | 3.43" | — |
| 1989 | 93° | 49° | 71° | 0.03" | — |
| 1988 | 88° | 46° | 67° | — | — |
| 1987 | 76° | 45° | 60° | 0.03" | — |
| 1986 | 72° | 43° | 57° | — | — |
| 1985 | 75° | 55° | 65° | — | — |
| 1984 | 83° | 46° | 64° | — | — |
| 1983 | 72° | 40° | 56° | 0.76" | — |
| 1982 | 76° | 45° | 60° | 0.38" | — |
| 1981 | 61° | 46° | 53° | — | — |
| 1980 | 73° | 39° | 56° | — | — |
| 1979 | 72° | 43° | 57° | 0.64" | — |
| 1978 | 80° | 49° | 64° | — | — |
| 1977 | 74° | 50° | 62° | — | — |
| 1976 | 88° | 48° | 68° | — | — |
| 1975coldest | 52° | 35° | 43° | 1.12" | — |
| 1974 | 90° | 49° | 69° | — | — |
| 1973 | 60° | 39° | 50° | 1.78" | — |
| 1972 | 68° | 40° | 54° | — | — |
| 1971 | 81° | 47° | 64° | 0.25" | — |
54 years of data from LONGMONT 2 ESE