Weather on October 31
Alamosa, CO
55 Years of Data
Avg High
54°F
Avg Low
19°F
Warmest
2016
52°F avg
Coldest
1991
7°F avg
About This Date
October 31st in Alamosa, CO typically brings cool fall weather, with average highs around 54°F and lows near 19°F — a 35°F daily swing. Over 55 years of records, the warmest October 31st was in 2016 (52°F average), while the coldest was 1991 (7°F) — a 45°F range across recorded history. Precipitation has occurred on 20% of recorded October 31st dates, with snow falling 15% of the time (heaviest snowfall: 10.9"). The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.7°F cooler on this date compared to 20-30 years ago.
Planning for October 31st in Alamosa, CO? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.4°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 64° | 17° | 41° | — | — |
| 2024 | 45° | 14° | 29° | 0.05" | 0.3" |
| 2023 | 44° | 8° | 26° | — | — |
| 2022 | 55° | 15° | 35° | — | — |
| 2021 | 66° | 17° | 42° | — | — |
| 2020 | 52° | 20° | 36° | — | — |
| 2019 | 31° | 2° | 16° | 0.08" | 0.5" |
| 2018 | 54° | 27° | 40° | 0.94" | 3.2" |
| 2017 | 61° | 22° | 41° | — | — |
| 2016warmest | 68° | 35° | 52° | — | — |
| 2015 | 47° | 23° | 35° | 0.05" | — |
| 2014 | 66° | 22° | 44° | — | — |
| 2013 | 48° | 13° | 30° | — | — |
| 2012 | 65° | 16° | 40° | — | — |
| 2011 | 63° | 14° | 38° | — | — |
| 2010 | 67° | 20° | 43° | — | — |
| 2009 | 37° | 10° | 24° | — | — |
| 2008 | 68° | 19° | 44° | — | — |
| 2007 | 66° | 21° | 44° | — | — |
| 2006 | 59° | 22° | 40° | — | — |
| 2005 | 53° | 17° | 35° | — | — |
| 2004 | 50° | 12° | 31° | — | — |
| 2003 | 59° | 36° | 47° | — | — |
| 2002 | 56° | 30° | 43° | — | — |
| 2001 | 66° | 27° | 46° | — | — |
| 2000 | 46° | 21° | 34° | — | — |
| 1999 | 61° | 13° | 37° | — | — |
| 1998 | 43° | 32° | 37° | 0.74" | 1.8" |
| 1997 | 65° | 18° | 41° | — | — |
| 1996 | 49° | 19° | 34° | — | — |
| 1995 | 64° | 23° | 44° | — | — |
| 1994 | 54° | 13° | 33° | — | — |
| 1993 | 48° | 3° | 26° | — | — |
| 1992 | 54° | 33° | 43° | — | — |
| 1991coldest | 23° | -9° | 7° | 0.53" | 2" |
| 1990 | 65° | 21° | 43° | — | — |
| 1989 | 53° | 2° | 27° | — | — |
| 1988 | 61° | 18° | 39° | — | — |
| 1987 | 60° | 17° | 39° | — | — |
| 1986 | 58° | 31° | 44° | 0.28" | — |
| 1985 | 54° | 27° | 40° | 1.93" | 6" |
| 1984 | 60° | 28° | 44° | — | — |
| 1983 | 59° | 23° | 41° | — | — |
| 1982 | 60° | 30° | 45° | — | — |
| 1981 | 49° | 20° | 34° | — | — |
| 1980 | 60° | 15° | 38° | — | — |
| 1979 | 38° | 9° | 23° | — | — |
| 1978 | 55° | 29° | 42° | 0.08" | — |
| 1977 | 57° | 11° | 34° | — | — |
| 1976 | 55° | 19° | 37° | — | — |
| 1975 | 44° | 33° | 39° | 1.68" | 0.5" |
| 1974 | 48° | 16° | 32° | — | — |
| 1973 | 56° | 16° | 36° | — | — |
| 1972 | 29° | 18° | 23° | 1.68" | 10.9" |
| 1971 | 50° | 6° | 28° | — | — |
55 years of data from ALAMOSA 1E