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Things to Do in San Diego in December
Real historical weather for San Diego in December: average highs of 19°C and lows of 10°C, with around 31mm of rain (averaged over the last 3 years). San Diego is in United States.
19°C
Average high
10°C
Average low
31mm
Typical rainfall
Real things to do in San Diego in December
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Deluxe Sunset & Day Sail Small Group
★ 5.0(324 reviews)· 2h 30m
From €106

San Diego Harbor Cruise on the Largest Catamaran in San Diego
★ 4.9(47 reviews)· 2h 30m
From €49

San Diego Shore Excursion: San Diego Seal Tour
★ 4.8(186 reviews)· 1h 45m
From €50

San Diego Bay Jet Boat Ride
★ 4.8(434 reviews)· 30 min
From €40

San Diego Seal Tour
★ 4.7(1,327 reviews)· 1h 45m
From €50

San Diego Hop On Hop Off Trolley Tour
★ 4.7(2,767 reviews)· 2 hrs
From €51

San Diego Whale Watching & Dolphin Cruise
★ 4.6(1,719 reviews)· 3 hrs
From €63

San Diego Harbor Cruise
★ 4.5(3,236 reviews)· 2 hrs
From €33

City Cruises San Diego: Scenic 90-Minute Narrated Harbor Tour
★ 4.5(542 reviews)· 1h 30m
From €31

San Diego Harbor Dinner Cruise
★ 4.1(1,304 reviews)· 3 hrs
From €112
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FAQs — San Diego in December
Based on real historical data (averaged over the last 3 years), expect highs around 19°C and lows around 10°C, with roughly 31mm of rain.