Weather on December 17
Plano, TX
55 Years of Data
Avg High
58°F
Avg Low
34°F
Warmest
2006
70°F avg
Coldest
1979
27°F avg
About This Date
December 17th in Plano, TX typically brings cool winter weather, with average highs around 58°F and lows near 34°F. Over 55 years of records, the warmest December 17th was in 2006 (70°F average), while the coldest was 1979 (27°F) — a 43°F range across recorded history. Rain or other precipitation has occurred on about 20% of December 17th dates historically, with the wettest December 17th recording 1.02" of rain. The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
The last decade has been 5.3°F warmer on this date compared to 20-30 years ago.
Planning for December 17th in Plano, TX? Bring layers as temperatures can vary throughout the day.
Warming Trend
1.5°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025 | 62° | 53° | 58° | 0.18" | — |
| 2024 | 74° | 53° | 63° | 0.05" | — |
| 2023 | 68° | 35° | 52° | 0.03" | — |
| 2022 | 51° | 27° | 39° | — | — |
| 2021 | 76° | 60° | 68° | — | — |
| 2020 | 59° | 27° | 43° | 0.03" | — |
| 2019 | 49° | 31° | 40° | — | — |
| 2018 | 66° | 35° | 51° | — | — |
| 2017 | 50° | 42° | 46° | 0.1" | — |
| 2016 | 72° | 21° | 46° | — | — |
| 2015 | 57° | 30° | 44° | — | — |
| 2014 | 44° | 36° | 40° | 0.99" | — |
| 2013 | 70° | 33° | 51° | — | — |
| 2012 | 60° | 41° | 51° | — | — |
| 2011 | 58° | 30° | 44° | — | — |
| 2010 | 51° | 37° | 44° | — | — |
| 2009 | 54° | 37° | 45° | — | — |
| 2008 | 44° | 31° | 37° | 0.18" | — |
| 2007 | 53° | 24° | 39° | — | — |
| 2006warmest | 77° | 62° | 70° | — | — |
| 2005 | 48° | 41° | 45° | — | — |
| 2004 | 60° | 26° | 43° | — | — |
| 2003 | 64° | 21° | 43° | — | — |
| 2002 | 67° | 51° | 59° | — | — |
| 2001 | 57° | 37° | 47° | 0.05" | — |
| 2000 | 49° | 20° | 34° | — | — |
| 1999 | 60° | 35° | 48° | — | — |
| 1998 | 65° | 35° | 50° | — | — |
| 1997 | 63° | 35° | 49° | — | — |
| 1996 | 45° | 26° | 35° | — | — |
| 1995 | 55° | 50° | 53° | — | — |
| 1994 | 61° | 31° | 46° | — | — |
| 1993 | 56° | 46° | 51° | — | — |
| 1992 | 49° | 29° | 39° | — | — |
| 1991 | 63° | 32° | 47° | — | — |
| 1990 | 68° | 45° | 56° | 1.02" | — |
| 1989 | 33° | 22° | 27° | — | — |
| 1988 | 54° | 33° | 43° | — | — |
| 1987 | 42° | 24° | 33° | — | — |
| 1986 | 53° | 47° | 50° | 0.25" | — |
| 1985 | 61° | 26° | 43° | — | — |
| 1984 | 69° | 47° | 58° | — | — |
| 1983 | 35° | 19° | 27° | — | — |
| 1982 | 66° | 37° | 52° | — | — |
| 1981 | 63° | 28° | 45° | — | — |
| 1980 | 67° | 37° | 52° | — | — |
| 1979coldest | 38° | 17° | 27° | — | — |
| 1978 | 55° | 25° | 40° | — | — |
| 1977 | 72° | 45° | 58° | — | — |
| 1976 | 70° | 31° | 50° | — | — |
| 1975 | 48° | 26° | 37° | — | — |
| 1974 | 62° | 27° | 44° | — | — |
| 1973 | 58° | 25° | 41° | — | — |
| 1972 | 47° | 21° | 34° | — | — |
| 1971 | 57° | 46° | 52° | 0.03" | — |
55 years of data from RICHARDSON