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Things to Do in San Juan in December
Real historical weather for San Juan in December: average highs of 34°C and lows of 20°C, with around 8mm of rain (averaged over the last 3 years). San Juan is in Argentina.
34°C
Average high
20°C
Average low
8mm
Typical rainfall
Real things to do in San Juan in December
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Private Transfer-TO or FROM: SJUAirport,Cruise,Hotels Puerto Rico
★ 4.9(311 reviews)· 2h 10m
From €30

San Juan Catamaran Sunset Sail with Drinks Included
★ 4.9(674 reviews)· 2 hrs
From €106

Discovering Puerto Rico: Lifestyle, Art, and Cultural Tour
★ 4.9(344 reviews)· 5 hrs
From €67

Small-Group El Yunque Waterslide & transportation w/ Photos
★ 4.9(3,693 reviews)· 6 hrs
From €39

The Ultimate Self-Guided Hidden Gems Tour in Puerto Rico
★ 4.9(15 reviews)· 4 days
From €4

SJU Airport to San Juan area or return
★ 4.9(598 reviews)· 20 min
From €33

Old San Juan and El Morro Castle Walking Tour
★ 4.9(710 reviews)· 2h 30m
From €48

Old San Juan Walking Tour
★ 4.8(2,492 reviews)· 2h 15m
From €35

Jet Ski Tour through San Juan Bay (21 years old to rent)
★ 4.8(693 reviews)· 1h 20m
From €151

Old San Juan Historical Walk, Shopping, and Dining w/ Transport
★ 4.7(483 reviews)· 5 hrs
From €31
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FAQs — San Juan in December
Based on real historical data (averaged over the last 3 years), expect highs around 34°C and lows around 20°C, with roughly 8mm of rain.