Weather on January 21
Tempe, AZ
55 Years of Data
Avg High
69°F
Avg Low
41°F
Warmest
2009
67°F avg
Coldest
1973
42°F avg
About This Date
January 21st in Tempe, AZ typically brings mild winter weather, with average highs around 69°F and lows near 41°F — a 28°F daily swing. Over 56 years of records, the warmest January 21st was in 2009 (67°F average), while the coldest was 1973 (42°F) — a 25°F range across recorded history. Rain or other precipitation has occurred on about 14% of January 21st dates historically, with the wettest January 21st recording 2.24" of rain. The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
The last decade has been 2.8°F cooler on this date compared to 20-30 years ago.
Planning for January 21st in Tempe, AZ? Great weather for outdoor activities.
Warming Trend
0.6°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2026 | — | 44° | — | — | — |
| 2025 | 65° | 35° | 50° | — | — |
| 2024 | 67° | 43° | 55° | 0.05" | — |
| 2023 | 62° | — | — | — | — |
| 2022 | 73° | 36° | 54° | — | — |
| 2021 | 74° | 54° | 64° | 0.05" | — |
| 2020 | — | 52° | — | 0.33" | — |
| 2019 | 69° | 40° | 54° | — | — |
| 2018 | — | 36° | — | — | — |
| 2017 | 61° | 48° | 54° | 1.65" | — |
| 2016 | 72° | 36° | 54° | — | — |
| 2015 | 74° | 48° | 61° | — | — |
| 2014 | 81° | 46° | 63° | — | — |
| 2013 | 80° | 37° | 59° | — | — |
| 2012 | 73° | 37° | 55° | — | — |
| 2011 | 72° | 34° | 53° | — | — |
| 2010 | 63° | 50° | 56° | 2.24" | — |
| 2009warmest | 81° | 54° | 67° | — | — |
| 2008 | 66° | 30° | 48° | — | — |
| 2007 | 51° | 35° | 43° | 0.36" | — |
| 2006 | 68° | 29° | 48° | — | — |
| 2005 | 72° | 58° | 65° | — | — |
| 2004 | 66° | 51° | 59° | — | — |
| 2003 | 69° | 46° | 58° | 0.2" | — |
| 2002 | 67° | 33° | 50° | — | — |
| 2001 | 72° | 41° | 56° | — | — |
| 2000 | 76° | 52° | 64° | — | — |
| 1999 | 72° | 57° | 64° | — | — |
| 1998 | 66° | 47° | 56° | — | — |
| 1997 | 70° | 40° | 55° | — | — |
| 1996 | 66° | 35° | 51° | — | — |
| 1995 | 64° | 41° | 53° | — | — |
| 1994 | 79° | 34° | 56° | — | — |
| 1993 | 68° | 40° | 54° | — | — |
| 1992 | 63° | 42° | 52° | — | — |
| 1991 | 67° | 45° | 56° | — | — |
| 1990 | 70° | 39° | 54° | — | — |
| 1989 | 73° | 54° | 63° | — | — |
| 1988 | 57° | 33° | 45° | — | — |
| 1987 | 61° | 35° | 48° | — | — |
| 1986 | 76° | 44° | 60° | — | — |
| 1985 | 72° | 44° | 58° | — | — |
| 1984 | 67° | 37° | 52° | — | — |
| 1983 | 59° | 33° | 46° | — | — |
| 1982 | 65° | 37° | 51° | — | — |
| 1981 | 68° | 35° | 52° | — | — |
| 1980 | 64° | 45° | 54° | — | — |
| 1979 | 59° | 36° | 47° | — | — |
| 1978 | 60° | 34° | 47° | 0.08" | — |
| 1977 | 78° | 44° | 61° | — | — |
| 1976 | 73° | 41° | 57° | — | — |
| 1975 | 76° | 37° | 56° | — | — |
| 1974 | 74° | 52° | 63° | — | — |
| 1973coldest | 58° | 26° | 42° | — | — |
| 1972 | 71° | 32° | 52° | — | — |
| 1971 | 83° | 44° | 63° | — | — |
56 years of data from TEMPE ASU