Weather on December 18

Modesto, CA

55 Years of Data

Avg High
54°F
Avg Low
38°F
Warmest
1991
55°F avg
Coldest
1985
36°F avg

About This Date

December 18th in Modesto, CA typically brings cool winter weather, with average highs around 54°F and lows near 38°F. Over 55 years of records, the warmest December 18th was in 1991 (55°F average), while the coldest was 1985 (36°F) — a 19°F range across recorded history. Rain or other precipitation has occurred on about 24% of December 18th dates historically, with the wettest December 18th recording 1.68" 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 18th in Modesto, CA? Bring layers as temperatures can vary throughout the day.

Warming Trend
0.6°F per decade on this date
YearHighLowAvgPrecipSnow
202555°47°51°
202452°49°50°
202357°47°52°1.68"
202243°34°38°
202146°33°40°
202054°35°44°
201961°42°51°0.03"
201862°38°50°
201763°33°48°
201650°31°41°
201560°33°47°0.13"
201461°47°54°0.13"
201365°44°54°
201253°40°46°
201150°30°40°
201058°53°55°0.13"
200952°44°48°
200852°29°40°
200757°45°51°1.35"
200651°32°42°
200558°48°53°1.4"
200445°38°41°
200359°36°47°
200256°35°45°
200155°38°46°
200051°32°42°
199958°33°45°
199864°36°50°
199758°43°50°
199648°41°45°
199549°44°46°0.76"
199454°43°48°
199350°34°42°
199250°35°43°
1991warmest63°47°55°
199057°35°46°
198948°31°39°
198853°38°45°0.03"
198753°33°43°
198652°45°48°
1985coldest42°31°36°
198450°34°42°0.2"
198351°42°47°
198258°39°48°
198154°45°49°1.14"
198063°40°51°
197946°34°40°
197849°42°45°0.71"
197754°37°45°
197663°31°47°
197558°30°44°
197447°38°42°
197355°39°47°
197253°43°48°0.08"
197151°28°40°
55 years of data from MODESTO AP

Browse Weather History

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

December 18th Weather in Modesto, CA - 55 Years of History