Weather on October 20
Alamosa, CO
55 Years of Data
Avg High
62°F
Avg Low
22°F
Warmest
1979
55°F avg
Coldest
1984
31°F avg
About This Date
October 20th in Alamosa, CO typically brings mild fall weather, with average highs around 62°F and lows near 22°F — a 40°F daily swing. Over 55 years of records, the warmest October 20th was in 1979 (55°F average), while the coldest was 1984 (31°F) — a 24°F range across recorded history. Precipitation has occurred on 13% of recorded October 20th dates, with snow falling 2% of the time. The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 1.4°F warmer on this date compared to 20-30 years ago.
Planning for October 20th in Alamosa, CO? Great weather for outdoor activities.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 72° | 23° | 47° | — | — |
| 2024 | 47° | 34° | 40° | 0.69" | — |
| 2023 | 76° | 26° | 51° | — | — |
| 2022 | 69° | 21° | 45° | — | — |
| 2021 | 56° | 16° | 36° | — | — |
| 2020 | 73° | 26° | 50° | — | — |
| 2019 | 60° | 18° | 39° | — | — |
| 2018 | 60° | 20° | 40° | — | — |
| 2017 | 70° | 27° | 48° | — | — |
| 2016 | 64° | 15° | 40° | — | — |
| 2015 | 64° | 32° | 48° | 0.05" | — |
| 2014 | 68° | 36° | 52° | — | — |
| 2013 | 55° | 16° | 35° | — | — |
| 2012 | 69° | 19° | 44° | — | — |
| 2011 | 64° | 16° | 40° | — | — |
| 2010 | 63° | 18° | 40° | — | — |
| 2009 | 69° | 28° | 49° | — | — |
| 2008 | 69° | 27° | 48° | — | — |
| 2007 | 64° | 11° | 37° | — | — |
| 2006 | 52° | 16° | 34° | — | — |
| 2005 | 62° | 26° | 44° | — | — |
| 2004 | 63° | 34° | 48° | — | — |
| 2003 | 75° | 21° | 48° | — | — |
| 2002 | 60° | 24° | 42° | — | — |
| 2001 | 68° | 18° | 43° | — | — |
| 2000 | 65° | 19° | 42° | — | — |
| 1999 | 60° | 17° | 39° | — | — |
| 1998 | 43° | 31° | 37° | 0.38" | — |
| 1997 | 60° | 28° | 44° | 0.05" | — |
| 1996 | 48° | 22° | 35° | — | — |
| 1995 | 62° | 12° | 37° | — | — |
| 1994 | 56° | 20° | 38° | — | — |
| 1993 | 56° | 16° | 36° | — | — |
| 1992 | 69° | 22° | 45° | — | — |
| 1991 | 69° | 27° | 48° | — | — |
| 1990 | 37° | 27° | 32° | 0.38" | — |
| 1989 | 60° | 10° | 35° | — | — |
| 1988 | 70° | 21° | 45° | — | — |
| 1987 | 62° | 11° | 36° | — | — |
| 1986 | 47° | 32° | 39° | 1.32" | 0.2" |
| 1985 | 60° | 25° | 42° | — | — |
| 1984coldest | 42° | 20° | 31° | — | — |
| 1983 | 54° | 29° | 41° | — | — |
| 1982 | 60° | 25° | 42° | — | — |
| 1981 | 65° | 16° | 40° | — | — |
| 1980 | 58° | 13° | 35° | — | — |
| 1979warmest | 64° | 46° | 55° | — | — |
| 1978 | 67° | 22° | 44° | — | — |
| 1977 | 67° | 27° | 47° | — | — |
| 1976 | 55° | 9° | 32° | — | — |
| 1975 | 69° | 19° | 44° | — | — |
| 1974 | 69° | 30° | 50° | — | — |
| 1973 | 70° | 24° | 47° | — | — |
| 1972 | 57° | 34° | 45° | 0.13" | — |
| 1971 | 58° | 15° | 36° | — | — |
55 years of data from ALAMOSA 1E