Weather on August 21
Rio Rancho, NM
55 Years of Data
Avg High
91°F
Avg Low
60°F
Warmest
2024
86°F avg
Coldest
2022
64°F avg
About This Date
August 21st in Rio Rancho, NM typically brings hot summer weather, with average highs around 91°F and lows near 60°F — a 31°F daily swing. Over 43 years of records, the warmest August 21st was in 2024 (86°F average), while the coldest was 2022 (64°F) — a 22°F range across recorded history. Rain or other precipitation has occurred on about 23% of August 21st dates historically, with the wettest August 21st recording 0.64" of rain. The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
The last decade has been 3.6°F warmer on this date compared to 20-30 years ago.
Planning for August 21st in Rio Rancho, NM? Stay hydrated and seek shade during peak afternoon hours.
Warming Trend
1.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 98° | 67° | 82° | — | — |
| 2024warmest | 103° | 69° | 86° | — | — |
| 2023 | 98° | 69° | 84° | — | — |
| 2022coldest | 68° | 61° | 64° | 0.18" | — |
| 2021 | 88° | 63° | 75° | — | — |
| 2020 | 104° | 67° | 85° | — | — |
| 2019 | 100° | 64° | 82° | — | — |
| 2018 | 90° | 64° | 77° | — | — |
| 2017 | 77° | 59° | 68° | — | — |
| 2016 | 89° | 60° | 75° | — | — |
| 2015 | 96° | 61° | 78° | — | — |
| 2014 | 90° | 64° | 77° | — | — |
| 2013 | 95° | 63° | 79° | — | — |
| 2012 | 87° | 64° | 76° | — | — |
| 2011 | 94° | 65° | 79° | 0.08" | — |
| 2010 | 94° | 57° | 75° | — | — |
| 2009 | 95° | 59° | 77° | — | — |
| 2008 | 95° | 59° | 77° | — | — |
| 2007 | 99° | 50° | 74° | — | — |
| 2006 | 84° | 61° | 72° | — | — |
| 2005 | 88° | 54° | 71° | — | — |
| 2004 | 85° | 55° | 70° | 0.38" | — |
| 2003 | 96° | 56° | 76° | — | — |
| 2002 | 93° | 57° | 75° | 0.64" | — |
| 2001 | 95° | 59° | 77° | 0.2" | — |
| 2000 | 96° | 66° | 81° | — | — |
| 1999 | 89° | 57° | 73° | — | — |
| 1998 | 84° | 65° | 74° | — | — |
| 1997 | 92° | 57° | 74° | — | — |
| 1996 | 83° | 60° | 71° | — | — |
| 1995 | 91° | 61° | 76° | — | — |
| 1994 | 85° | 56° | 70° | 0.25" | — |
| 1993 | 87° | 61° | 74° | 0.1" | — |
| 1992 | 90° | 57° | 73° | 0.23" | — |
| 1991 | 90° | 55° | 72° | — | — |
| 1990 | 83° | 55° | 69° | — | — |
| 1989 | 87° | 54° | 70° | 0.05" | — |
| 1988 | 87° | 57° | 72° | — | — |
| 1987 | 90° | 57° | 73° | — | — |
| 1986 | 92° | 62° | 77° | — | — |
| 1985 | 87° | 55° | 71° | 0.36" | — |
| 1984 | 91° | 60° | 76° | — | — |
| 1983 | 93° | 59° | 76° | — | — |
43 years of data from RIO RANCHO #2