Weather on December 18

Santa Clarita, CA

55 Years of Data

Avg High
64°F
Avg Low
42°F
Warmest
2025
69°F avg
Coldest
2016
38°F avg

About This Date

December 18th in Santa Clarita, CA typically brings mild winter weather, with average highs around 64°F and lows near 42°F. Over 51 years of records, the warmest December 18th was in 2025 (69°F average), while the coldest was 2016 (38°F) — a 31°F range across recorded history. Rain or other precipitation has occurred on about 6% of December 18th dates historically, with the wettest December 18th recording 1.09" 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 Santa Clarita, CA? Great weather for outdoor activities.

Warming Trend
1.0°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest82°55°69°
202476°61°68°
202365°51°58°
202263°39°51°
202161°46°53°
202062°45°53°
201959°37°48°
201869°45°57°
201771°49°60°
2016coldest42°33°38°
201567°42°54°
201462°40°51°
201372°52°62°
201254°40°47°
201164°42°53°
201054°51°52°
200973°53°63°
200853°33°43°
200754°46°50°
200651°37°44°
200558°46°52°
200472°51°61°
200371°53°62°
200254°37°45°
200171°44°58°
200064°53°59°
199979°51°65°
199859°47°53°
199754°45°49°
199658°58°58°
199564°36°50°
199470°35°52°
199353°33°43°0.51"
199248°33°41°
199164°47°55°
199059°30°45°
198968°27°47°
198755°33°44°
198670°37°53°
198571°46°59°
198364°34°49°
198268°24°46°
198079°34°56°
197855°43°49°1.09"
197753°48°51°1.09"
197673°31°52°
197571°34°52°
197471°38°54°
197374°34°54°
197265°41°53°
197164°38°51°
51 years of data from SAUGUS CALIFORNIA

Browse Weather History

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