Monthly weather forecast and climate
Kwajalein, Marshall Islands

What is the coldest month in Kwajalein?

The coldest months in Kwajalein, Marshall Islands, are January through May and December, with an average high-temperature of 30°C (86°F).

How many days does it rain in Kwajalein?

Throughout the year, in Kwajalein, Marshall Islands, there are 224 rainfall days, and 2605mm (102.6") of precipitation is accumulated.

What months are the sea coldest in Kwajalein?

Months with the coldest seawater are January through May and December, with an average sea temperature of 28°C (82.4°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

What is the driest month in Kwajalein?

The month with the least rainfall is February when the rain falls for 19 days and typically collects 123mm (4.8") of precipitation.

What is the warmest month in Kwajalein?

Warmest months in Kwajalein are June through November, with an average high-temperature of 31°C (87.8°F).

When is the sea warmest in Kwajalein?

June through November, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater. For swimming, diving, and other water activities, temperatures between 25°C (77°F) and 29°C (84.2°F) are perceived as very enjoyable and pleasurable for prolonged periods without feeling uncomfortable.

What is the rainiest month in Kwajalein?

The month with the most rainfall is October when the rain falls for 19 days and typically aggregates up to 282mm (11.1") of precipitation.
Average temperature - Kwajalein, Marshall Islands

Warmest months (with the highest average high temperature) are June, July, August, September, October and November (31°C).
Months with the lowest average high temperature are January, February, March, April, May and December (30°C).

Months with the highest average low temperature are January, February, March, April, May, June, July, August, September, October, November and December (25°C).
Coldest months (with the lowest average low temperature) are January, February, March, April, May, June, July, August, September, October, November and December (25°C).

Average rainfall - Kwajalein, Marshall Islands

The wettest month (with the highest rainfall) is October (282mm).
The driest month (with the lowest rainfall) is February (123mm).

Average rainfall days - Kwajalein, Marshall Islands
Average sea temperature - Kwajalein, Marshall Islands

Best months for swimming (with the highest average sea temperature) are June, July, August, September, October and November (29°C).
Coldest months (with the lowest average sea temperature) are January, February, March, April, May and December (28°C).

Average daylight / Average sunshine - Kwajalein, Marshall Islands
Average UV index - Kwajalein, Marshall Islands

Months with the highest UV index are February, March, April, May, June, July, August, September and October (UV index 12).
The month with the lowest UV index is December (UV index 10).

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