Weather on December 20
Arlington, TX
55 Years of Data
Avg High
60°F
Avg Low
38°F
Warmest
2025
66°F avg
Coldest
1996
27°F avg
About This Date
December 20th in Arlington, TX typically brings mild winter weather, with average highs around 60°F and lows near 38°F. Over 36 years of records, the warmest December 20th was in 2025 (66°F average), while the coldest was 1996 (27°F) — a 39°F range across recorded history. Rain or other precipitation has occurred on about 14% of December 20th dates historically, with the wettest December 20th recording 4.67" of rain. The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
The last decade has been 4.4°F warmer on this date compared to 20-30 years ago.
Planning for December 20th in Arlington, TX? Great weather for outdoor activities.
Warming Trend
1.8°F per decade on this date
| Year | High | Low | Avg | Precip | Snow |
|---|---|---|---|---|---|
| 2025warmest | 83° | 50° | 66° | — | — |
| 2024 | 60° | 35° | 48° | — | — |
| 2023 | 68° | 45° | 56° | — | — |
| 2022 | 56° | 39° | 47° | — | — |
| 2021 | 54° | 36° | 45° | 0.1" | — |
| 2020 | 68° | 32° | 50° | — | — |
| 2019 | 51° | 39° | 45° | 0.03" | — |
| 2018 | 60° | 47° | 53° | — | — |
| 2017 | 63° | 42° | 52° | — | — |
| 2016 | 57° | 23° | 40° | — | — |
| 2015 | 66° | 49° | 57° | — | — |
| 2014 | 49° | 47° | 48° | — | — |
| 2013 | 69° | 34° | 51° | — | — |
| 2012 | 57° | 31° | 44° | — | — |
| 2011 | 51° | 38° | 44° | — | — |
| 2010 | 80° | 50° | 65° | — | — |
| 2009 | 68° | 29° | 49° | — | — |
| 2008 | 70° | 33° | 51° | — | — |
| 2007 | 65° | 39° | 52° | — | — |
| 2006 | 64° | 44° | 54° | 1.32" | — |
| 2005 | 44° | 39° | 42° | 0.43" | — |
| 2004 | 73° | 37° | 55° | — | — |
| 2003 | 64° | 30° | 47° | — | — |
| 2002 | 61° | 35° | 48° | — | — |
| 2001 | 60° | 29° | 44° | — | — |
| 2000 | 66° | 31° | 48° | — | — |
| 1999 | 46° | 37° | 42° | — | — |
| 1998 | 55° | 42° | 49° | — | — |
| 1997 | 64° | 48° | 56° | — | — |
| 1996coldest | 35° | 20° | 27° | — | — |
| 1995 | 40° | 34° | 37° | — | — |
| 1994 | 65° | 41° | 53° | — | — |
| 1993 | 57° | 41° | 49° | — | — |
| 1992 | 42° | 37° | 40° | — | — |
| 1991 | 55° | 41° | 48° | 4.67" | — |
| 1990 | 72° | 46° | 59° | — | — |
36 years of data from ARLINGTON MUNI AP