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
YearHighLowAvgPrecipSnow
2025warmest83°50°66°
202460°35°48°
202368°45°56°
202256°39°47°
202154°36°45°0.1"
202068°32°50°
201951°39°45°0.03"
201860°47°53°
201763°42°52°
201657°23°40°
201566°49°57°
201449°47°48°
201369°34°51°
201257°31°44°
201151°38°44°
201080°50°65°
200968°29°49°
200870°33°51°
200765°39°52°
200664°44°54°1.32"
200544°39°42°0.43"
200473°37°55°
200364°30°47°
200261°35°48°
200160°29°44°
200066°31°48°
199946°37°42°
199855°42°49°
199764°48°56°
1996coldest35°20°27°
199540°34°37°
199465°41°53°
199357°41°49°
199242°37°40°
199155°41°48°4.67"
199072°46°59°
36 years of data from ARLINGTON MUNI AP

Browse Weather History

Weather data provided by NOAA Climate Data Online. Not for critical planning.