Kagau Island weather by month & the best time to visit
Solomon Islands · beach resort · tropical rainforest climate
The best time to visit Kagau Island is January — its sunniest month (Sunshine Score 64/100), with February and March close behind. Kagau Island averages about 2,201 hours of sunshine a year. Daytime highs around 29°C / 84°F and roughly 295 mm of rain in January.
When is the best time to visit Kagau Island?
For sunshine, the best time to visit Kagau Island is January, then February and March. The dullest month is January (64/100, 295 mm of rain). The full month-by-month picture is in the table below.
How sunny is Kagau Island?
Kagau Island gets a moderate 2,201 hours of sunshine a year. Conditions barely change through the year — only 0 Sunshine Score points separate January from January. It ranks #12 of 20 destinations in Solomon Islands for annual sunshine, below the national median of 2,219 hours. The year's 3,344 mm of rain spreads fairly evenly across the months, with no pronounced dry season.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 64 | 29° / 84°F | 28° / 82°F | 295 mm | 11 | 31° / 88°F |
| February | 64 | 29° / 84°F | 28° / 82°F | 336 mm | 12 | 31° / 88°F |
| March | 64 | 29° / 84°F | 28° / 82°F | 310 mm | 12 | 31° / 88°F |
| April | 64 | 29° / 84°F | 28° / 82°F | 250 mm | 11 | 31° / 88°F |
| May | 64 | 29° / 84°F | 28° / 82°F | 278 mm | 9 | 30° / 86°F |
| June | 64 | 29° / 84°F | 28° / 82°F | 290 mm | 8 | 30° / 86°F |
| July | 64 | 28° / 82°F | 27° / 81°F | 326 mm | 8 | 30° / 86°F |
| August | 64 | 28° / 82°F | 27° / 81°F | 277 mm | 9 | 29° / 84°F |
| September | 64 | 28° / 82°F | 27° / 81°F | 262 mm | 11 | 30° / 86°F |
| October | 64 | 29° / 84°F | 28° / 82°F | 258 mm | 11 | 31° / 88°F |
| November | 64 | 29° / 84°F | 28° / 82°F | 228 mm | 11 | 31° / 88°F |
| December | 64 | 29° / 84°F | 28° / 82°F | 234 mm | 11 | 31° / 88°F |
Sea temperature in Kagau Island by month
The sea off Kagau Island is warmest in January at around 31°C / 88°F, and coolest in August at 29°C / 84°F. The water sits at a comfortable 21°C or warmer roughly all year round. Month-by-month sea-surface temperatures are in the Sea column of the table above.
Nearest destinations
Kagau Island: questions and answers
What kind of destination is Kagau Island?
Kagau Island is a beach resort in Solomon Islands with a tropical rainforest climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Kagau Island get a year?
Kagau Island gets about 2,201 hours of sunshine a year, at its best around January.
When is the best time to visit Kagau Island?
The sunniest time to visit Kagau Island is January, when the Sunshine Score peaks at 64/100 (with February and March close behind). Expect daytime highs around 29°C / 84°F.
What is the least sunny month in Kagau Island?
January is the least sunny month in Kagau Island, scoring 64/100 with about 295 mm of rain.
What is the sea temperature in Kagau Island?
The sea in Kagau Island ranges from about 29°C (August) to 31°C (January). Month-by-month sea temperatures are on this page.
How strong is the sun in Kagau Island?
The typical midday UV index in Kagau Island peaks around 12 (extreme) in February, easing to about 8 (very high) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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