April weather forecast
Kwajalein, Marshall Islands

In line with the preceding months, April’s weather maintains the recurring theme of warm temperatures and significant rainfall. The rise from 140mm (5.51") in March to 198mm (7.8") in April indicates an increase in precipitation. Consequently, the weather during April on Kwajalein, Marshall Islands, tends to be wetter. Despite the increased rains, the high temperatures persist, enhancing the tropical environment. The UV index shows no signs of letting up, reminding all of the importance of adequate sun protection.

Temperature

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

Rainfall

In Kwajalein, Marshall Islands, in April, it is raining for 18 days, with typically 198mm (7.8") of accumulated precipitation. Throughout the year, in Kwajalein, there are 224 rainfall days, and 2605mm (102.56") of precipitation is accumulated.

Sea temperature

The months with the coldest seawater are January through May and December, with an average sea temperature of 28°C (82.4°F).
Note: With water temperature from 25°C (77°F) to 29°C (84.2°F), all water activities are comfortable and delightful, devoid of discomfort even for lengthened periods.

Daylight

In Kwajalein, the average length of the day in April is 12h and 19min.
On the first day of April, sunrise is at 06:46 and sunset at 18:59. On the last day of the month, sunrise is at 06:33 and sunset at 18:59 +12.

Sunshine

In April, the average sunshine is 18h.

UV index

The months with the highest UV index are February through October, with an average maximum UV index of 12. A UV Index estimate of 11, and higher, represents an excessive health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily high UV index of 12 during April translates into the following recommendations:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. Seek shade and limit direct sun exposure between 10 a.m. and 4 p.m., the peak period for UV radiation. Keep in mind that shade structures like parasols or canopies do not offer complete sun protection. To cut down UV radiation exposure by about half, sport a wide-brim hat. Applying and reapplying a broad-spectrum sunscreen with a minimum SPF 30 after every two hours, outdoor workout, or swim is recommended. Be wary! Reflections from sand and water make UV radiation more intense.