Weather in Tumon Bay, Guam in January

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Visiting Tumon Bay, Guam in January

January has average maximum temperatures of 30°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright. January has total rainfall of 10.3cm (4.1inches) making it quite rainy but with only light tropical showers. There are 24.3 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 Tumon Bay. Sea temperatures are a very warm 28°C (83°F). January is an excellent month for swimming in Tumon Bay with very comfortable temperatures for bathing all day.

Consider visiting Tumon Bay in the months of February, March, April, May, for the best beach weather.

The weather in January is mostly sunny with occasional rain showers, making it a great time for sunbathing and swimming at Tumon Bay. The calm waters and good visibility make it an ideal time for snorkeling and diving, while the gentle winds can be suitable for beginner windsurfers and kitesurfers. Also consider one of our other suggestions for January.

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Can you sunbathe in Tumon Bay in January?

Yes, January is not an optimal time for sunbathing but it is possible on clearer days in Tumon Bay.

January has average maximum temperatures of 30°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright. January has total rainfall of 10.3cm (4.1inches) making it quite rainy but with only light tropical showers. There are 24.3 days with some rainfall so there are very few dry days to enjoy the beach.

More about January temperature and sunshine.

Can you swim in Tumon Bay in January?

Yes, January is an excellent month for swimming in Tumon Bay with very warm sea temperatures 28°C (83°F).

More about January sea temperatures.

Is January a good time to holiday in Tumon Bay?

Yes, January is a good time for a holiday in Tumon Bay.

January has average maximum temperatures of 30°C (85°F) which is very warm and perfect for sunbathing on clear days. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright. January has total rainfall of 10.3cm (4.1inches) making it quite rainy but with only light tropical showers. There are 24.3 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 Tumon Bay. Sea temperatures are a very warm 28°C (83°F). January is an excellent month for swimming in Tumon Bay with very comfortable temperatures for bathing all day.

More about the January temperatures and sunshine.

Is Tumon Bay warm in January?

Yes, Tumon Bay is very warm and perfect for sunbathing on clear days in January.

The average maximum temperature in Tumon Bay in January is 30°C (85°F). The average maximum temperature is 30°C (87°) in the previous month and 30°C (85°F) in the next month.

The average temperature in Tumon Bay in January is 27°C (81°F). The average temperature is 28°C (82°F) in the previous month and 27°C (81°F) in the next month.

More info about the January temperatures and sunshine.

How sunny is Tumon Bay in January?

The average day light hours per day in Tumon Bay in January are 11.4. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright.

More about January sunshine.

Crowds in Tumon Bay in January

January is a popular time for tourists to visit Tumon Bay, as it is the beginning of the dry season and offers comfortable temperatures. The beach can be quite crowded, especially during the New Year's holiday.

Temperature in Tumon Bay in January

The average maximum temperature in Tumon Bay in January is 30°C (85°F). The average maximum temperature is 30°C (87°F) in the previous month and 30°C (85°F) in the next month.

The average temperature in Tumon Bay in January is 27°C (81°F). The average temperature is 28°C (82°F) in the previous month and 27°C (81°F) in the next month.

The average minimum temperature in Tumon Bay in January is 24°C (76°F). The minimum temperature is 25°C (77°F) in the previous month and 24°C (76°F) in the next month.

Sunshine in Tumon Bay in January

During January the average day light hours are 11.4 per day in Tumon Bay. The sunshine percentage is 63% making it sunny but overcast at times. The hours of sunshine per day are 7.2hrs making the days quite long and bright.

The ultraviolet index in Tumon Bay in January is typically 10.4 during January. 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.

Sea Temperature in Tumon Bay in January

The average sea water temperature in Tumon Bay in January is 28.2°C (82.8°F) which is very warm and ideal for relaxing and swimming for the whole day.

Rainfall in Tumon Bay in January

The average total rainfall in Tumon Bay in January is 10.3cm (4.1inches) and on average there are 24.3 rainy days in January making it a very wet time to visit the beach.

Humidity in Tumon Bay in January

The maximum dew point (an indicator of humidity) in Tumon Bay in January is 24°C (74°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 24°C (76°F) in the previous month and 23°C (23°F) in the next month.

The average maximum relative humidity in Tumon Bay in January is typically 90.1%. The maximum relative humidity is 90.1% in the previous month and 88.8% in the next month.

The average relative humidity in Tumon Bay in January is typically 77.8%. The average relative humidity is 78% in the previous month and 76.4% in the next month.

Wind Speed in Tumon Bay in January

The average maximum wind speed in Tumon Bay in January is typically 31KM/H (19MPH). 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 Tumon Bay in January is typically 18KM/H (11MPH). The average wind speed is 17KM/H (11MPH) in the previous month and 18KM/H (11MPH) in the next month.

The average wind direction in Tumon Bay in January is from the East-Northeast.

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Suggested Beaches in January

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