Climate and monthly weather forecast
Guam National Wildlife Refuge, GU

The best time to visit Guam National Wildlife Refuge

The best months for a swim in Guam National Wildlife Refuge, Guam, are January through December, with a perfect temperature - varying between 77°F (25°C) and 84.2°F (29°C), and scarce rainfall.

Weather in January

The ideal ocean temperature of 82.9°F (28.3°C) makes January in Guam National Wildlife Refuge, Guam, the best time for swimming and other water activities. In Guam National Wildlife Refuge, the average seawater temperature in January is 82.9°F (28.3°C). Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. Weather in January »

Weather in February

An excellent water temperature of 82°F (27.8°C) makes February in Guam National Wildlife Refuge, Guam, a prime for swimming and other water activities. February is the month with the coldest seawater, with an average ocean temperature of 82°F (27.8°C). Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. Weather in February »

Weather in March

The ideal ocean temperature of 82.6°F (28.1°C) makes March in Guam National Wildlife Refuge, Guam, the best time for swimming and other water activities. In Guam National Wildlife Refuge, in March, the average water temperature is 82.6°F (28.1°C). Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. Weather in March »

Weather in April

An excellent water temperature of 82.9°F (28.3°C) makes April in Guam National Wildlife Refuge, Guam, a prime for swimming and other water activities. In April, the average ocean temperature is 82.9°F (28.3°C). Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. Weather in April »

Weather in May

The ideal ocean temperature of 84°F (28.9°C) makes May in Guam National Wildlife Refuge, Guam, the best time for swimming and other water activities. In Guam National Wildlife Refuge, in May, the average water temperature is 84°F (28.9°C). Note: For swimming, diving, and other water activities, temperatures between 77°F (25°C) and 84.2°F (29°C) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable. Weather in May »

Weather in June

The perfect water temperature of 84.7°F (29.3°C) makes June a great period for swimming and other water activities in Guam National Wildlife Refuge, Guam. In June, the average ocean temperature is 84.7°F (29.3°C). Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods. Weather in June »

Weather in July

An excellent water temperature of 85.1°F (29.5°C) makes July in Guam National Wildlife Refuge, Guam, a prime for swimming and other water activities. In Guam National Wildlife Refuge, Guam, the average seawater temperature in July is 85.1°F (29.5°C). Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. Weather in July »

Weather in August

An excellent water temperature of 85.5°F (29.7°C) makes August in Guam National Wildlife Refuge, Guam, a prime for swimming and other water activities. The month with the warmest seawater is August, with an average ocean temperature of 85.5°F (29.7°C). Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. Weather in August »

Weather in September

An excellent water temperature of 85.1°F (29.5°C) makes September in Guam National Wildlife Refuge, Guam, a prime for swimming and other water activities. In Guam National Wildlife Refuge, the average seawater temperature in September is 85.1°F (29.5°C). Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods. Weather in September »

Weather in October

An excellent water temperature of 85.1°F (29.5°C) makes October in Guam National Wildlife Refuge, Guam, a prime for swimming and other water activities. In Guam National Wildlife Refuge, in October, the average water temperature is 85.1°F (29.5°C). Note: For any water activity, surface water temperatures between 77°F (25°C) and 84.2°F (29°C) are considered as excellent and extremely pleasant for lengthened periods. Weather in October »

Weather in November

The ideal ocean temperature of 84.6°F (29.2°C) makes November in Guam National Wildlife Refuge, Guam, the best time for swimming and other water activities. In Guam National Wildlife Refuge, the average water temperature is 84.6°F (29.2°C). Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. Weather in November »

Weather in December

The ideal ocean temperature of 83.1°F (28.4°C) makes December in Guam National Wildlife Refuge, Guam, the best time for swimming and other water activities. In Guam National Wildlife Refuge, the average water temperature is 83.1°F (28.4°C). Note: Water temperature between 77°F (25°C) and 84.2°F (29°C) is regarded as very warm and enjoyable by all. Weather in December »
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FAQ

What month is the ocean coldest in Guam National Wildlife Refuge?

With an average ocean temperature of 82°F (27.8°C), February is the month with the coldest seawater.

When are the longest days in Guam National Wildlife Refuge?

With an average of 12h and 55min of daylight, June has the longest days of the year in Guam National Wildlife Refuge.

When is the ocean warmest in Guam National Wildlife Refuge?

The month with the warmest seawater in Guam National Wildlife Refuge, Guam, is August, with an average ocean temperature of 85.5°F (29.7°C).

What is the month with the shortest days in Guam National Wildlife Refuge?

The month with the shortest days is December, with an average of 11h and 20min of daylight.

Is there Daylight Saving Time (DST) in Guam National Wildlife Refuge?

Guam National Wildlife Refuge, Guam, does not observe Daylight Saving Time (DST). ChST timezone is used over the entire year.

Average sea temperature
Guam National Wildlife Refuge, GU

Average sea temperature - Guam National Wildlife Refuge, GU

The best month for swimming (with the highest average sea temperature) is August (85.4°F).
The coldest month (with the lowest average sea temperature) is February (82°F).

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Average daylight
Guam National Wildlife Refuge, GU

Average daylight - Guam National Wildlife Refuge, GU

The month with the longest days is June (Average daylight: 12h and 55min).
The month with the shortest days is December (Average daylight: 11h and 20min).

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