Weather on February 18
Alamosa, CO
55 Years of Data
Avg High
42°F
Avg Low
10°F
Warmest
1986
45°F avg
Coldest
2023
3°F avg
About This Date
February 18th in Alamosa, CO typically brings chilly winter weather, with average highs around 42°F and lows near 10°F — a 32°F daily swing. Over 56 years of records, the warmest February 18th was in 1986 (45°F average), while the coldest was 2023 (3°F) — a 42°F range across recorded history. Precipitation has occurred on 20% of recorded February 18th dates, with snow falling 14% of the time (heaviest snowfall: 3.2"). The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
The last decade has been 3.2°F cooler on this date compared to 20-30 years ago.
Planning for February 18th in Alamosa, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.3°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | 39° | 21° | 30° | — | — |
| 2025 | 52° | 23° | 37° | 0.18" | 2" |
| 2024 | 43° | 8° | 25° | 0.13" | 1" |
| 2023coldest | 23° | -17° | 3° | — | — |
| 2022 | 38° | 5° | 21° | — | — |
| 2021 | 36° | 6° | 21° | 0.51" | 3.2" |
| 2020 | 50° | 19° | 35° | — | — |
| 2019 | 30° | 0° | 15° | 0.05" | 0.3" |
| 2018 | 52° | 9° | 30° | — | — |
| 2017 | 48° | 24° | 36° | — | — |
| 2016 | 59° | 24° | 42° | — | — |
| 2015 | 37° | 0° | 19° | — | — |
| 2014 | 51° | 22° | 36° | — | — |
| 2013 | 47° | 11° | 29° | — | — |
| 2012 | 45° | 2° | 23° | — | — |
| 2011 | 46° | 15° | 31° | — | — |
| 2010 | 36° | 0° | 18° | — | — |
| 2009 | 39° | 0° | 20° | — | — |
| 2008 | 34° | -5° | 14° | — | — |
| 2007 | 41° | 5° | 23° | — | — |
| 2006 | 45° | 18° | 31° | — | — |
| 2005 | 37° | 22° | 29° | 0.1" | — |
| 2004 | 41° | 1° | 21° | — | — |
| 2003 | 39° | 23° | 31° | 0.25" | 0.9" |
| 2002 | 43° | 25° | 34° | — | — |
| 2001 | 48° | 19° | 34° | — | — |
| 2000 | 45° | 8° | 26° | — | — |
| 1999 | 46° | 12° | 29° | — | — |
| 1998 | 35° | 22° | 28° | — | — |
| 1997 | 51° | 18° | 34° | — | — |
| 1996 | 51° | 18° | 34° | — | — |
| 1995 | 52° | 9° | 30° | — | — |
| 1994 | 42° | 28° | 35° | 0.08" | — |
| 1993 | 33° | -1° | 16° | — | — |
| 1992 | 28° | -13° | 8° | — | — |
| 1991 | 38° | 6° | 22° | 0.23" | 0.9" |
| 1990 | 47° | 13° | 30° | — | — |
| 1989 | 40° | 2° | 21° | — | — |
| 1988 | 29° | -3° | 13° | — | — |
| 1987 | 35° | 19° | 27° | 0.25" | 1.1" |
| 1986warmest | 60° | 30° | 45° | — | — |
| 1985 | 46° | 22° | 34° | — | — |
| 1984 | 29° | -3° | 13° | — | — |
| 1983 | 51° | 17° | 34° | — | — |
| 1982 | 46° | 13° | 29° | — | — |
| 1981 | 57° | 9° | 33° | — | — |
| 1980 | 55° | 23° | 39° | 0.3" | — |
| 1979 | 30° | -11° | 10° | — | — |
| 1978 | 32° | -1° | 16° | — | — |
| 1977 | 55° | 12° | 34° | — | — |
| 1976 | 48° | 7° | 27° | — | — |
| 1975 | 28° | -2° | 13° | — | — |
| 1974 | 38° | 3° | 20° | — | — |
| 1973 | 32° | -9° | 12° | — | — |
| 1972 | 50° | 14° | 32° | — | — |
| 1971 | 38° | 19° | 28° | 0.08" | 0.9" |
56 years of data from ALAMOSA 1E