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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 30°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 58% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day. It is not an optimal time for sunbathing but it is possible on clearer days in Guam.
December has total rainfall of 8.6cm (3.4inches) making it a bit rainy but with only light showers. There are 26.4 days with some rainfall so there are very few dry days to enjoy the beach.
Sea temperatures are a very warm 28°C (83°F). December is an excellent month for swimming in Guam 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.
Consider visiting Guam in the months of February, March, April, May, 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 Guam.
December has average maximum temperatures of 30°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 58% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day. December has total rainfall of 8.6cm (3.4inches) making it a bit rainy but with only light showers. There are 26.4 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 Guam with very warm sea temperatures 28°C (83°F).
More about December sea temperatures.
Yes, December is a good time for a holiday in Guam.
December has average maximum temperatures of 30°C (87°F) which is very hot and perfect for sunbathing on clear days. The sunshine percentage is 58% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day. December has total rainfall of 8.6cm (3.4inches) making it a bit rainy but with only light showers. There are 26.4 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 Guam. Sea temperatures are a very warm 28°C (83°F). December is an excellent month for swimming in Guam with very comfortable temperatures for bathing all day.
More about the December temperatures and sunshine.
Yes, Guam is very hot and perfect for sunbathing on clear days in December.
The average maximum temperature in Guam in December is 30°C (87°F). The average maximum temperature is 31°C (88°) in the previous month and 30°C (85°F) in the next month.
The average temperature in Guam in December is 28°C (82°F). The average temperature is 28°C (83°F) in the previous month and 27°C (81°F) in the next month.
More info about the December temperatures and sunshine.
The average day light hours per day in Guam in December are 11.3. The sunshine percentage is 58% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day.
More about December sunshine.
The weather in December is marginally cooler than the previous month and temperatures continue to drop slightly into January. The average maximum temperature in Guam in December is 30°C (87°F). The average maximum temperature is 31°C (88°F) in the previous month and 30°C (85°F) in the next month.
The average temperature in Guam in December is 28°C (82°F). The average temperature is 28°C (83°F) in the previous month and 27°C (81°F) in the next month.
The average minimum temperature in Guam in December is 25°C (77°F). The minimum temperature is 26°C (78°F) in the previous month and 24°C (76°F) in the next month.
The days in December are slightly shorter than the previous month. December has slightly less hours of sunshine than the previous month. During December the average day light hours are 11.3 per day in Guam. The sunshine percentage is 58% making it quite sunny but with occasional periods of cloudy and overcast skies. There are 6.6 hours of sunshine per day.
The ultraviolet index in Guam in December is typically 9.5 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 Guam in December is 28.4°C (83.1°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 slightly drier than the previous month. December has a couple of less days of rain than the previous month and rainy days continue to drop into January. The average total rainfall in Guam in December is 8.6cm (3.4inches) and on average there are 26.4 rainy days in December making it a very wet time to visit the beach.
The maximum dew point (an indicator of humidity) in Guam in December is 24°C (76°F) which is very uncomfortable and fairly oppressive unless you are on a beach. At night you would most likely require airconditioning. The dew point is 25°C (77°F) in the previous month and 24°C (24°F) in the next month.
The average maximum relative humidity in Guam in December is typically 90.1%. The maximum relative humidity is 91.2% in the previous month and 90.1% in the next month.
The average relative humidity in Guam in December is typically 78%. The average relative humidity is 79.6% in the previous month and 77.8% in the next month.
The average maximum wind speed in Guam in December is typically 29KM/H (18MPH). The average maximum wind speed is 29KM/H (18MPH) in the previous month and 31KM/H (19MPH) in the next month.
The average wind speed in Guam in December is typically 17KM/H (11MPH). The average wind speed is 16KM/H (10MPH) in the previous month and 18KM/H (11MPH) in the next month.
The average wind direction in Guam 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.
