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December is hot, and sunny but overcast at times with many bright days. December is very rainy with frequent showers and thunderstorms and very few dry days. It is not an optimal time for sunbathing but it is possible on clearer days in San Juan. December is an excellent month for swimming in San Juan with very warm sea temperatures. Consider visiting San Juan in the months of January, February, March, April, for the best beach weather.
The weather in San Juan during December is generally pleasant, with a mix of sunny and partly cloudy days. This makes it a great time for sunbathing and relaxing on the beach. Swimming, snorkeling, and diving are popular activities, as the water is still warm enough to enjoy. However, windsurfing and kitesurfing may be less ideal due to the slightly cooler and calmer winds. Also consider one of our other suggestions for December.
Yes, December is not an optimal time for sunbathing but it is possible on clearer days in San Juan. December is hot with lots of sunshine but some overcast and cloudy skies, still great for sunbathing, and there is very high chance of rain showers.
The average maximum temperature in San Juan in December is 29°C (84°F).
More about December temperature and sunshine.
Yes, December is an excellent month for swimming in San Juan with very warm sea temperatures 28°C (82°F).
More about December sea temperatures.
Yes, December is a good time for a holiday in San Juan.
December is hot and sunny but overcast at times with many bright days. It is very rainy with frequent showers and thunderstorms and very few dry days.
It's a pretty rainy month, however on the days with out rain it's perfect for laying on the beach and enjoying the sunshine.
The average maximum temperature in San Juan in December is 29°C (84°F).
More about the December temperatures and sunshine.
The average minimum temperature in San Juan in December is 23°C (73°F). The minimum temperature is 24°C (75°F) in the previous month and 22°C (72°F) in the next month.
More about the December temperatures and sunshine.
The average day light hours per day in San Juan in December are 11 and there are 7.3 hours of sunshine per day on average during December, making it sunny but overcast at times with many bright days.
More about December sunshine.
Yes, December is an excellent month for swimming in San Juan with very warm sea temperatures 28°C (82°F).
More about December sea temperatures.
Yes, San Juan is hot in December.
The average maximum temperature in San Juan in December is 29°C (84°F). The average maximum temperature is 30°C (86°) in the previous month and 28°C (83°F) in the next month.
The average temperature in San Juan in December is 26°C (79°F). The average temperature ranges is 27°C (81°F) in the previous month and 25°C (78°F) in the next month.
More info about the December temperatures and sunshine.
December is the busiest month for San Juan beaches, with the holiday season in full swing. The weather is warm and sunny, attracting both locals and tourists to the beach. Christmas and New Year's Eve celebrations contribute to the large crowds, making it the most crowded month of the year.
The average maximum temperature in San Juan in December is 29°C (84°F). The average maximum temperature is 30°C (86°F) in the previous month and 28°C (83°F) in the next month.
The average temperature in San Juan in December is 26°C (79°F). The average temperature ranges is 27°C (81°F) in the previous month and 25°C (78°F) in the next month.
The average minimum temperature in San Juan in December is 23°C (73°F). The minimum temperature is 24°C (75°F) in the previous month and 22°C (72°F) in the next month.
The average day light hours per day in San Juan in December are 11 and there are 7.3 hours of sunshine per day on average during December making it sunny but overcast at times with many bright days
The ultraviolet index in San Juan in December is typically 7.5 during December. An ultraviolet index reading of 8 to 10 indicates a very high risk of harm from unprotected sun exposure. Unprotected skin risks burning in less than 15 minutes. Take extra precautions because unprotected skin and eyes will be damaged and can burn quickly. Tanning will be safest before 10am and after 4pm but only with a good application of sun screen. For those with sensitive skin stay in the shade and wear protective clothing, a wide-brimmed hat, and UV-blocking sunglasses. Generously apply broad spectrum SPF 30+ sunscreen every 2 hours, even on cloudy days. Watch out for relections from water that may increase ultraviolet exposure.
The average sea water temperature in San Juan in December is 27.5°C (81.5°F) which is very warm and ideal for relaxing and swimming for the whole day.
The average total rainfall in San Juan in December is 16.2cm (6.4inches) and on average there are 25.3 rainy days in December making it a very wet time to visit the beach.
The maximum dew point (an indicator of humidity) in San Juan in December is 22°C (72°F) which is very humid and quite uncomfortable for most unless you are on a beach. At night you would most likely require a fan. The dew point is 23°C (74°F) in the previous month and 22°C (22°F) in the next month.
The average maximum relative humidity in San Juan in December is typically 88.9%. The maximum relative humidity is 89% in the previous month and 89.7% in the next month.
The average relative humidity in San Juan in December is typically 76.4%. The average relative humidity is 76.2% in the previous month and 76.4% in the next month.
The average maximum wind speed in San Juan in December is typically 30KM/H (18MPH). The average maximum wind speed is 28KM/H (17MPH) in the previous month and 30KM/H (19MPH) in the next month.
The average wind speed in San Juan in December is typically 12KM/H (8MPH). The average wind speed is 10KM/H (6MPH) in the previous month and 13KM/H (8MPH) in the next month.
The average wind direction in San Juan in December is from the East-Northeast.
