Weather on December 21
Rio Rancho, NM
55 Years of Data
About This Date
December 21st in Rio Rancho, NM typically brings chilly winter weather, with average highs around 49°F and lows near 23°F — a 26°F daily swing. Over 44 years of records, the warmest December 21st was in 2001 (54°F average), while the coldest was 1999 (22°F) — a 32°F range across recorded history. Precipitation has occurred on 18% of recorded December 21st dates, with snow falling 7% of the time (heaviest snowfall: 1.8"). The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.9°F warmer on this date compared to 20-30 years ago.
Planning for December 21st in Rio Rancho, NM? Bring layers as temperatures can vary throughout the day.
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 67° | 36° | 51° | — | — |
| 2024 | 59° | 25° | 42° | — | — |
| 2023 | 47° | 33° | 40° | 0.13" | — |
| 2022 | 47° | 21° | 34° | — | — |
| 2021 | 55° | 23° | 39° | — | — |
| 2020 | 53° | 24° | 39° | — | — |
| 2019 | 52° | 21° | 36° | — | — |
| 2018 | 58° | 26° | 42° | — | — |
| 2017 | 57° | 25° | 41° | — | — |
| 2016 | 48° | 19° | 34° | — | — |
| 2015 | 53° | 32° | 43° | — | — |
| 2014 | 47° | 24° | 35° | — | — |
| 2013 | 55° | 28° | 42° | 0.25" | — |
| 2012 | 41° | 15° | 28° | — | — |
| 2011 | 39° | 25° | 32° | — | — |
| 2010 | 57° | 42° | 50° | — | — |
| 2009 | 51° | 23° | 37° | — | — |
| 2008 | 49° | 25° | 37° | — | — |
| 2007 | 52° | 33° | 42° | — | — |
| 2006 | 33° | 14° | 24° | 0.13" | 1" |
| 2005 | 57° | 20° | 38° | — | — |
| 2004 | 56° | 23° | 39° | — | — |
| 2003 | 56° | 18° | 37° | — | — |
| 2002 | 45° | 18° | 31° | — | — |
| 2001warmest | 60° | 49° | 54° | 0.66" | — |
| 2000 | 50° | 21° | 36° | — | — |
| 1999coldest | 32° | 12° | 22° | — | — |
| 1998 | 40° | 26° | 33° | — | — |
| 1997 | 33° | 28° | 31° | 0.46" | 1.8" |
| 1996 | 50° | 27° | 38° | — | — |
| 1995 | 42° | 14° | 28° | — | — |
| 1994 | 56° | 17° | 36° | — | — |
| 1993 | 39° | 12° | 26° | — | — |
| 1992 | 42° | 12° | 27° | — | — |
| 1991 | 43° | 33° | 38° | 0.1" | — |
| 1990 | 31° | 22° | 26° | 0.25" | 1" |
| 1989 | 50° | 11° | 30° | — | — |
| 1988 | 41° | 16° | 28° | — | — |
| 1987 | 45° | 18° | 31° | — | — |
| 1986 | 44° | 31° | 37° | 0.08" | — |
| 1985 | 56° | 17° | 36° | — | — |
| 1984 | 44° | 19° | 32° | — | — |
| 1983 | 51° | 27° | 39° | — | — |
| 1982 | 52° | 22° | 37° | — | — |
Rio Rancho, NM Temperature Range by Month
Average monthly highs and lows. The shaded band shows the typical daily temperature range.
Rio Rancho, NM Monthly Precipitation
Average rainfall and snowfall per month, in inches.
Rio Rancho, NM 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 Rio Rancho, NM
Rio Rancho, NM has no months that meet our "pleasant" threshold — every season has tradeoffs.