Weather on February 18
Alamosa, CO
55 Years of Data
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.
| 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" |
Alamosa, CO Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Alamosa, CO Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Alamosa, CO Daily Temperature Calendar
Average daily high temperature for every day of the year. Each cell is the climatological mean for that calendar day across 55 years of NOAA data.
Best Time to Visit Alamosa, CO
Alamosa, CO has no months that meet our "pleasant" threshold — every season has tradeoffs.