Weather on December 30

San Francisco, CA

55 Years of Data

Avg High
57°F
Avg Low
46°F
Warmest
1996
61°F avg
Coldest
1978
45°F avg

About This Date

December 30th in San Francisco, CA typically brings cool winter weather, with average highs around 57°F and lows near 46°F. Over 55 years of records, the warmest December 30th was in 1996 (61°F average), while the coldest was 1978 (45°F) — a 16°F range across recorded history. Rain or other precipitation has occurred on about 42% of December 30th dates historically, with the wettest December 30th recording 5.51" of rain. The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.

The last decade has been 2.3°F cooler on this date compared to 20-30 years ago.

Planning for December 30th in San Francisco, CA? Bring layers as temperatures can vary throughout the day. Consider bringing rain gear or an umbrella.

YearHighLowAvgPrecipSnow
202554°43°48°
202458°46°52°
202360°50°55°0.38"
202261°52°56°2.06"
202153°42°48°
202054°43°48°0.08"
201960°47°53°0.03"
201859°46°53°
201759°48°54°
201660°46°53°
201548°41°45°0.08"
201453°45°49°
201361°46°53°
201253°43°48°
201156°50°53°0.05"
201052°42°47°
200957°46°52°0.03"
200858°45°51°
200752°46°49°0.03"
200653°38°45°
200563°51°57°2.08"
200457°49°53°1.52"
200355°46°51°
200255°48°52°0.2"
200157°53°55°2.84"
200062°44°53°
199961°45°53°
199860°44°52°0.03"
199764°49°56°
1996warmest64°57°61°0.38"
199560°55°58°0.05"
199455°38°46°
199364°47°55°
199255°42°49°0.15"
199157°48°53°
199054°36°45°
198965°46°55°
198850°41°46°0.36"
198753°40°46°
198655°45°50°
198557°49°53°0.91"
198452°42°47°
198359°52°55°1.07"
198259°42°51°
198155°50°53°0.13"
198052°45°48°
197962°52°57°0.91"
1978coldest52°38°45°
197756°51°53°0.23"
197651°48°50°5.51"
197555°46°51°
197454°43°48°
197358°47°52°
197258°44°51°
197150°44°47°
55 years of data from SAN FRANCISCO DWTN

Browse Weather History

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

December 30th Weather in San Francisco, CA - 55 Years of History