Weather on June 18
Alamosa, CO
55 Years of Data
Avg High
81°F
Avg Low
41°F
Warmest
2021
70°F avg
Coldest
2023
49°F avg
About This Date
June 18th in Alamosa, CO typically brings warm summer weather, with average highs around 81°F and lows near 41°F — a 40°F daily swing. Over 55 years of records, the warmest June 18th was in 2021 (70°F average), while the coldest was 2023 (49°F) — a 21°F range across recorded history. Rain or other precipitation has occurred on about 18% of June 18th dates historically, with the wettest June 18th recording 1.65" of rain. The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.2°F warmer on this date compared to 20-30 years ago.
Planning for June 18th in Alamosa, CO? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 85° | 40° | 62° | — | — |
| 2024 | 82° | 46° | 64° | — | — |
| 2023coldest | 65° | 33° | 49° | 0.05" | — |
| 2022 | 86° | 53° | 70° | 0.05" | — |
| 2021warmest | 90° | 50° | 70° | — | — |
| 2020 | 83° | 41° | 62° | — | — |
| 2019 | 73° | 43° | 58° | 1.65" | — |
| 2018 | 75° | 49° | 62° | — | — |
| 2017 | 89° | 47° | 68° | — | — |
| 2016 | 84° | 41° | 63° | — | — |
| 2015 | 79° | 45° | 62° | — | — |
| 2014 | 78° | 49° | 63° | — | — |
| 2013 | 81° | 43° | 62° | — | — |
| 2012 | 87° | 39° | 63° | — | — |
| 2011 | 81° | 45° | 63° | — | — |
| 2010 | 81° | 34° | 57° | — | — |
| 2009 | 79° | 37° | 58° | — | — |
| 2008 | 87° | 42° | 65° | — | — |
| 2007 | 82° | 41° | 62° | — | — |
| 2006 | 83° | 36° | 59° | — | — |
| 2005 | 87° | 37° | 62° | — | — |
| 2004 | 83° | 40° | 61° | — | — |
| 2003 | 70° | 41° | 55° | — | — |
| 2002 | 88° | 36° | 62° | — | — |
| 2001 | 87° | 42° | 65° | — | — |
| 2000 | 79° | 44° | 61° | 0.53" | — |
| 1999 | 77° | 38° | 57° | 0.03" | — |
| 1998 | 74° | 28° | 51° | — | — |
| 1997 | 80° | 44° | 62° | — | — |
| 1996 | 83° | 37° | 60° | — | — |
| 1995 | 73° | 39° | 56° | — | — |
| 1994 | 79° | 45° | 62° | 0.1" | — |
| 1993 | 75° | 44° | 60° | — | — |
| 1992 | 83° | 39° | 61° | — | — |
| 1991 | 82° | 40° | 61° | — | — |
| 1990 | 88° | 43° | 65° | — | — |
| 1989 | 90° | 41° | 65° | — | — |
| 1988 | 82° | 42° | 62° | — | — |
| 1987 | 82° | 36° | 59° | — | — |
| 1986 | 79° | 45° | 62° | — | — |
| 1985 | 79° | 43° | 61° | 0.53" | — |
| 1984 | 72° | 38° | 55° | — | — |
| 1983 | 85° | 38° | 61° | — | — |
| 1982 | 73° | 41° | 57° | 0.23" | — |
| 1981 | 82° | 38° | 60° | — | — |
| 1980 | 85° | 42° | 63° | — | — |
| 1979 | 72° | 42° | 57° | — | — |
| 1978 | 85° | 34° | 59° | — | — |
| 1977 | 85° | 43° | 64° | — | — |
| 1976 | 75° | 38° | 56° | — | — |
| 1975 | 75° | 45° | 60° | 0.05" | — |
| 1974 | 83° | 39° | 61° | — | — |
| 1973 | 74° | 45° | 59° | — | — |
| 1972 | 81° | 48° | 64° | — | — |
| 1971 | 81° | 50° | 65° | 0.05" | — |
55 years of data from ALAMOSA 1E