Weather on December 15
Allen, TX
55 Years of Data
Avg High
59°F
Avg Low
36°F
Warmest
2021
74°F avg
Coldest
2008
29°F avg
About This Date
December 15th in Allen, TX typically brings cool winter weather, with average highs around 59°F and lows near 36°F. Over 55 years of records, the warmest December 15th was in 2021 (74°F average), while the coldest was 2008 (29°F) — a 45°F range across recorded history. Rain or other precipitation has occurred on about 29% of December 15th dates historically, with the wettest December 15th recording 2.74" of rain. The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
The last decade has been 2.5°F warmer on this date compared to 20-30 years ago.
Planning for December 15th in Allen, TX? Bring layers as temperatures can vary throughout the day.
Warming Trend
0.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 50° | 22° | 36° | — | — |
| 2024 | 75° | 40° | 57° | 0.03" | — |
| 2023 | 57° | 45° | 51° | 1.63" | — |
| 2022 | 54° | 35° | 44° | — | — |
| 2021warmest | 80° | 68° | 74° | — | — |
| 2020 | 39° | 35° | 37° | 0.05" | — |
| 2019 | 71° | 43° | 57° | — | — |
| 2018 | 59° | 37° | 48° | — | — |
| 2017 | 54° | 27° | 41° | — | — |
| 2016 | 44° | 32° | 38° | — | — |
| 2015 | 67° | 46° | 56° | — | — |
| 2014 | 66° | 47° | 56° | — | — |
| 2013 | 59° | 24° | 42° | — | — |
| 2012 | 71° | 47° | 59° | 0.03" | — |
| 2011 | 60° | 43° | 51° | 0.79" | — |
| 2010 | 74° | 45° | 59° | — | — |
| 2009 | 44° | 27° | 36° | — | — |
| 2008coldest | 35° | 22° | 29° | 0.03" | — |
| 2007 | 43° | 32° | 37° | 0.79" | — |
| 2006 | 73° | 46° | 60° | — | — |
| 2005 | 54° | 33° | 43° | — | — |
| 2004 | 48° | 15° | 32° | — | — |
| 2003 | 68° | 45° | 56° | — | — |
| 2002 | 70° | 36° | 53° | — | — |
| 2001 | 55° | 41° | 48° | 1.35" | — |
| 2000 | 38° | 34° | 36° | — | — |
| 1999 | 65° | 30° | 47° | — | — |
| 1998 | 61° | 31° | 46° | — | — |
| 1997 | 63° | 26° | 44° | — | — |
| 1996 | 69° | 38° | 53° | — | — |
| 1995 | 76° | 59° | 67° | — | — |
| 1994 | 49° | 42° | 45° | 0.38" | — |
| 1993 | 49° | 30° | 39° | — | — |
| 1992 | 50° | 33° | 42° | 2.74" | — |
| 1991 | 55° | 30° | 43° | — | — |
| 1990 | 61° | 53° | 57° | — | — |
| 1989 | 57° | 21° | 39° | — | — |
| 1988 | 59° | 41° | 50° | — | — |
| 1987 | 41° | 25° | 33° | 0.13" | — |
| 1986 | 52° | 45° | 48° | 1.37" | — |
| 1985 | 51° | 25° | 38° | — | — |
| 1984 | 70° | 47° | 58° | 0.97" | — |
| 1983 | 49° | 29° | 39° | — | — |
| 1982 | 63° | 37° | 50° | — | — |
| 1981 | 56° | 30° | 43° | 0.05" | — |
| 1980 | 66° | 45° | 55° | — | — |
| 1979 | 55° | 29° | 42° | — | — |
| 1978 | 66° | 31° | 48° | — | — |
| 1977 | 69° | 38° | 53° | — | — |
| 1976 | 62° | 33° | 48° | — | — |
| 1975 | 74° | 33° | 53° | — | — |
| 1974 | 56° | 29° | 42° | — | — |
| 1973 | 58° | 35° | 46° | — | — |
| 1972 | 41° | 27° | 34° | 0.56" | — |
| 1971 | 72° | 43° | 57° | 1.4" | — |
55 years of data from MCKINNEY MUNI AP