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27°
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26°
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28°
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The weather in December is marginally cooler than the previous month and temperatures continue to drop slightly into January. December has average maximum temperatures of 29°C (84°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 66% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright. It is not an optimal time for sunbathing but it is possible on clearer days in San Juan.
December has total rainfall of 16.2cm (6.4inches) making it quite rainy but with only light tropical showers. There are 25.3 days with some rainfall so there are very few dry days to enjoy the beach.
Sea temperatures are a very warm 28°C (82°F). December is an excellent month for swimming in San Juan with very comfortable temperatures for bathing all day. The sea temperature in December is marginally cooler than the previous month and temperatures continue to drop slightly into January.
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. Consider visiting San Juan in the months of January, February, March, April, for the best beach weather. 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 has average maximum temperatures of 29°C (84°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 66% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright. December has total rainfall of 16.2cm (6.4inches) making it quite rainy but with only light tropical showers. There are 25.3 days with some rainfall so there are very few dry days to enjoy the beach.
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 has average maximum temperatures of 29°C (84°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 66% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright. December has total rainfall of 16.2cm (6.4inches) making it quite rainy but with only light tropical showers. There are 25.3 days with some rainfall so there are very few dry days to enjoy the beach. It is not an optimal time for sunbathing but it is possible on clearer days in San Juan. Sea temperatures are a very warm 28°C (82°F). December is an excellent month for swimming in San Juan with very comfortable temperatures for bathing all day.
More about the December temperatures and sunshine.
Yes, San Juan is very warm and perfect for sunbathing on clear days 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 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.
The average day light hours per day in San Juan in December are 11. The sunshine percentage is 66% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright.
More about December 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 weather in December is marginally cooler than the previous month and temperatures continue to drop slightly into January. 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 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 days in December are slightly shorter than the previous month. During December the average day light hours are 11 per day in San Juan. The sunshine percentage is 66% making it sunny but overcast at times. The hours of sunshine per day are 7.3hrs making the days quite long and bright.
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 sea temperature in December is marginally cooler than the previous month and temperatures continue to drop slightly into January.
December weather is much drier than the previous month and rainfall continues to drop into January. December has a few more days of rain than the previous month. 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.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
Beaches recommended for you today, this weekend, in the next 2 weeks or in any month of the year.
