Weather on December 21

Tracy, CA

55 Years of Data

Avg High
54°F
Avg Low
37°F
Warmest
2014
61°F avg
Coldest
1985
35°F avg

About This Date

December 21st in Tracy, CA typically brings cool winter weather, with average highs around 54°F and lows near 37°F. Over 55 years of records, the warmest December 21st was in 2014 (61°F average), while the coldest was 1985 (35°F) — a 26°F range across recorded history. Rain or other precipitation has occurred on about 38% of December 21st dates historically, with the wettest December 21st recording 2.97" of rain. Temperatures on this date have remained relatively stable over the past several decades.

Temperatures on this date have remained relatively stable over the past several decades.

Planning for December 21st in Tracy, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Warming Trend
0.8°F per decade on this date
YearHighLowAvgPrecipSnow
202560°49°54°0.76"
202453°47°50°0.13"
202356°45°50°1.3"
202252°32°42°
202146°38°42°
202058°28°43°
201954°42°48°0.03"
201855°49°52°0.05"
201756°34°45°
201657°28°43°
201558°45°51°0.33"
2014warmest66°56°61°
201361°33°47°
201251°30°41°
201152°26°39°
201060°38°49°0.03"
200961°44°52°0.28"
200849°38°43°0.2"
200756°38°47°0.05"
200644°37°41°0.43"
200562°49°55°
200458°37°47°
200355°49°52°0.28"
200256°45°50°0.25"
200153°32°43°0.81"
200060°29°44°
199966°29°47°
199854°26°40°
199750°34°42°0.08"
199645°41°43°2.97"
199546°36°41°
199450°43°46°
199338°33°35°
199254°29°41°
199155°30°43°
199020°
198941°34°37°
198852°39°45°0.13"
198756°26°41°
198646°34°40°
1985coldest40°30°35°
198450°36°43°
198351°38°44°
198261°45°53°0.51"
198165°49°57°0.1"
198057°39°48°
197949°41°45°0.33"
197851°31°41°
197756°34°45°
197660°30°45°
197561°33°47°
197447°42°44°
197348°42°45°0.58"
197256°51°53°
197142°30°36°
55 years of data from TRACY CARBONA

Browse Weather History

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

December 21st Weather in Tracy, CA - 55 Years of History