May weather forecast
Funafuti, Tuvalu

Moving into May, Funafuti experiences marginal changes from the previous month. Reduced rainfall, dropping to 236mm (9.29") for the month, leaves more room for a lot of sunshine time despite fewer daylight hours. The sea temperature remains warm and inviting adding charm to the islands of Tuvalu. Lesser rain and higher sunshine is ideal for outdoor activities, and tourists usually enjoy their stay during this period, taking advantage of the favourable weather. UV index remains a concern, so it is advisable to carry sun protection.

Temperature

Funafuti sees its peak of temperatures during January, April, May, October through December, with an average high-temperature of 31°C (87.8°F).

Rainfall

In Funafuti, during May, the rain falls for 19 days and regularly aggregates up to 236mm (9.29") of precipitation. Throughout the year, there are 225 rainfall days, and 3461mm (136.26") of precipitation is accumulated.

Sea temperature

January, April, May, November and December, with an average sea temperature of 29.8°C (85.6°F), are months with the warmest seawater.
Note: For swimming, diving, and similar activities, the water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered delightful, allowing for extended periods of enjoyment without discomfort.

Daylight

In May, the average length of the day is 11h and 44min.
On the first day of May in Funafuti, sunrise is at 06:06 and sunset at 17:54. On the last day of the month, sunrise is at 06:11 and sunset at 17:50 +12.

Sunshine

The average sunshine in May is 19h.

UV index

The average daily maximum UV index in May is 11. A UV Index reading of 11, and higher, represents an excessive health risk from exposure to the Sun's UV radiation for the ordinary person.
Note: The daily high UV index of 11 during May translates into the following recommendations:
Enforce all necessary safety measures, unprotected skin may suffer burns swiftly. Limit direct sun exposure and seek shade between 10 a.m. and 4 p.m., the time of the most intense UV radiation, noting that shade structures may not provide total sun protection. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Even on overcast days, ensure the application and frequent reapplication of sunscreen with at least an SPF 30, especially post swim or outdoor exercise. Be wary! Reflections from sand and water make UV radiation more intense.