Weather on December 17

Santa Clara, CA

55 Years of Data

Avg High
59°F
Avg Low
41°F
Warmest
2025
61°F avg
Coldest
1971
43°F avg

About This Date

December 17th in Santa Clara, CA typically brings cool winter weather, with average highs around 59°F and lows near 41°F. Over 55 years of records, the warmest December 17th was in 2025 (61°F average), while the coldest was 1971 (43°F) — a 18°F range across recorded history. Rain or other precipitation has occurred on about 33% of December 17th dates historically, with the wettest December 17th recording 1.91" 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 17th in Santa Clara, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

Warming Trend
0.4°F per decade on this date
YearHighLowAvgPrecipSnow
2025warmest71°51°61°0.03"
202461°46°53°
202362°47°54°0.43"
202259°36°47°
202156°37°46°
202057°45°51°0.43"
201961°40°50°
201862°48°55°1.04"
201768°46°57°
201654°33°43°
201560°37°49°
201458°45°51°0.56"
201365°40°52°
201258°47°52°0.38"
201162°35°49°
201059°48°54°0.69"
200962°47°54°
200852°34°43°
200759°48°54°0.08"
200653°37°45°
200557°42°50°0.86"
200463°37°50°
200359°39°49°
200253°44°49°1.07"
200161°37°49°0.13"
200063°42°52°
199963°35°49°
199869°44°57°
199761°46°53°
199664°40°52°
199556°38°47°
199459°39°49°
199350°36°43°
199254°48°51°0.51"
199160°41°51°0.1"
199057°35°46°
198956°35°45°
198855°40°47°
198755°39°47°
198665°41°53°
198561°35°48°
198454°36°45°
198361°52°56°0.25"
198259°50°55°0.33"
198161°41°51°
198065°41°53°
197962°36°49°
197858°48°53°0.25"
197756°49°52°1.91"
197660°33°47°
197562°35°49°
197457°42°50°
197362°46°54°
197259°42°51°0.51"
1971coldest56°30°43°
55 years of data from SANTA CLARA UNIV

Browse Weather History

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

December 17th Weather in Santa Clara, CA - 55 Years of History