Beach weather in Guam in January

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Jan	Feb Best	Mar Best	Apr Best	May Best	Jun	Jul	Aug	Sep	Oct	Nov	Dec
30° Tan	30° Tan	30° Tan	31° Tan	31° Tan	31° Tan	31° Tan	30° Tan	30° Tan	30° Tan	31° Tan	30° Tan
Sea 28° Swim	Sea 28° Swim	Sea 28° Swim	Sea 28° Swim	Sea 29° Swim	Sea 29° Swim	Sea 29° Swim	Sea 29° Swim	Sea 29° Swim	Sea 30° Swim	Sea 29° Swim	Sea 28° Swim

Visiting Guam in January

30°C (85°F) Air Temperature

28°C (83°F) Sea Temperature

7.2 Hrs of Sun / Day

24.3 Days of Rain

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 Guam. Sea temperatures are a very warm 28°C (83°F). January is an excellent month for swimming in Guam with very comfortable temperatures for bathing all day.

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

Also consider one of our other suggestions for January.

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Can you sunbathe in Guam in January?

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

More about January temperature and sunshine.

Can you swim in Guam in January?

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

More about January sea temperatures.

Is January a good time to holiday in Guam?

Yes, January is a good time for a holiday in Guam.

More about the January temperatures and sunshine.

Is Guam warm in January?

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

The average maximum temperature in Guam 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 Guam 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 Guam in January?

The average day light hours per day in Guam 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.

Temperature in Guam in January

The average maximum temperature in Guam 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 Guam 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 Guam 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 Guam in January

During January the average day light hours are 11.4 per day in Guam. 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 Guam 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 Guam in January

The average sea water temperature in Guam 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 Guam in January

The average total rainfall in Guam 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 Guam in January

The maximum dew point (an indicator of humidity) in Guam 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 Guam 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 Guam 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 Guam in January

The average maximum wind speed in Guam 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 Guam 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 Guam in January is from the East-Northeast.

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