Kwajalein
Marshall Islands
Long-term weather forecast
Long-term weather forecast

May weather forecast and climate
Kwajalein, Marshall Islands

The last month of the spring, May, is another hot month in Kwajalein, Marshall Islands, with average temperature varying between 25°C (77°F) and 30°C (86°F).

Temperature

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

Rainfall

In May, in Kwajalein, the rain falls for 17 days. Throughout May, 229mm (9") of precipitation is accumulated. Throughout the year, in Kwajalein, there are 224 rainfall days, and 2605mm (102.6") of precipitation is accumulated.

Sea temperature

January through May and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Kwajalein.
Note: 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.

Daylight

The average length of the day in Kwajalein is 12.5h.

Sunshine

In Kwajalein, the average sunshine is 17h.

UV index

February through October, with an average maximum UV index of 12, are months with the highest UV index. A UV Index value of 11, and more, symbolizes an extreme health hazard from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 12 interpret into the following advice:
Take all required precautions, as unprotected skin and eyes can burn in minutes. The Sun's UV radiation is most powerful between 10 a.m. and 4 p.m. To the extent possible, limit exposure to the direct sun during these hours. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. A broad-spectrum sunscreen of SPF 30+ should be liberally applied and re-applied every two hours, and immediately after an outdoor workout or a swim. Beware! The reflection of water and sand dramatically increases exposure to the UV rays.

What is the coldest month in Kwajalein?

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

What is the temperature in May in Kwajalein?

The average high-temperature, in May, in Kwajalein, Marshall Islands, is 30°C (86°F), while the average low-temperature is 25°C (77°F).

How much does it rain in Kwajalein in May?

In May, the rain falls for 17 days. Throughout May, 229mm (9") of precipitation is accumulated.

What are the months with the coldest sea water in Kwajalein?

January through May and December, with an average sea temperature of 28°C (82.4°F), are months with the coldest seawater in Kwajalein.

How warm is the water in May in Kwajalein?

In May, the average sea temperature in Kwajalein is 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.

How many hours of daylight does Kwajalein have in May?

In May, the average length of the day in Kwajalein, Marshall Islands, is 12.5h.

How long on average sun shines in May in Kwajalein?

In Kwajalein, Marshall Islands, the average sunshine in May is 17h.

When is the highest UV index in Kwajalein?

February through October, with an average maximum UV index of 12, are months with the highest UV index.

What is the UV index reading in May in Kwajalein?

In May, the average daily maximum UV index is 12. A UV Index of 11, and more, symbolizes an excessive health risk from the exposure to the Sun's UV rays.
Average temperature in May - Kwajalein, Marshall Islands
  • Average high temperature in May: 30°C

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).

  • Average low temperature in May: 25°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 in May - Kwajalein, Marshall Islands
  • Average rainfall in May: 229mm

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

Average rainfall days in May - Kwajalein, Marshall Islands
  • Average rainfall days in May: 17 days

The month with the highest number of rainy days is January (21 days).
The month with the lowest number of rainy days is June (16 days).

Average sea temperature in May - Kwajalein, Marshall Islands
  • Average sea temperature in May: 28°C

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 in May / Average sunshine in May - Kwajalein, Marshall Islands
  • Average daylight in May: 12.5h

Months with the longest days are June and July (Average daylight: 12.6h).
The month with shortest days is December (Average daylight: 11.6h).

  • Average sunshine in May: 17h

The month with most sunshine is January (Average sunshine: 21h).
The month with least sunshine is June (Average sunshine: 16h).

Average UV index in May - Kwajalein, Marshall Islands
  • Average UV index in May: 12

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).