Eua Island weather by month & the best time to visit
Tonga · beach resort · tropical rainforest climate
The best time to visit Eua Island is July — its sunniest month (Sunshine Score 81/100), with August and October close behind. Eua Island averages about 2,602 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 73 mm of rain in July.
When is the best time to visit Eua Island?
For sunshine, the best time to visit Eua Island is July, then August and October. The dullest month is January (67/100, 181 mm of rain). The full month-by-month picture is in the table below.
How sunny is Eua Island?
Eua Island gets a lot of sun: around 2,602 hours a year. Conditions barely change through the year — only 14 Sunshine Score points separate July from January. It ranks #4 of 5 destinations in Tonga for annual sunshine, below the national median of 2,663 hours. The year's 1,456 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 | 67 | 26° / 79°F | 25° / 77°F | 181 mm | 13 | 28° / 82°F |
| February | 67 | 27° / 81°F | 26° / 79°F | 185 mm | 13 | 28° / 82°F |
| March | 67 | 26° / 79°F | 26° / 79°F | 190 mm | 11 | 28° / 82°F |
| April | 67 | 26° / 79°F | 25° / 77°F | 157 mm | 9 | 27° / 81°F |
| May | 74 | 24° / 75°F | 24° / 75°F | 113 mm | 6 | 27° / 81°F |
| June | 76 | 23° / 73°F | 22° / 72°F | 100 mm | 5 | 26° / 79°F |
| July | 81 | 22° / 72°F | 21° / 70°F | 73 mm | 6 | 25° / 77°F |
| August | 79 | 22° / 72°F | 21° / 70°F | 81 mm | 7 | 24° / 75°F |
| September | 78 | 22° / 72°F | 21° / 70°F | 87 mm | 9 | 24° / 75°F |
| October | 79 | 23° / 73°F | 22° / 72°F | 82 mm | 10 | 25° / 77°F |
| November | 75 | 24° / 75°F | 23° / 73°F | 103 mm | 11 | 25° / 77°F |
| December | 75 | 25° / 77°F | 24° / 75°F | 104 mm | 12 | 27° / 81°F |
Sea temperature in Eua Island by month
The sea off Eua Island is warmest in January at around 28°C / 82°F, and coolest in August at 24°C / 75°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
Eua Island: questions and answers
What kind of destination is Eua Island?
Eua Island is a beach resort in Tonga with a tropical rainforest climate — the sea reaches 28°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Eua Island get a year?
Eua Island gets about 2,602 hours of sunshine a year, at its best around July.
When is the best time to visit Eua Island?
The sunniest time to visit Eua Island is July, when the Sunshine Score peaks at 81/100 (with August and October close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Eua Island?
January is the least sunny month in Eua Island, scoring 67/100 with about 181 mm of rain.
What is the sea temperature in Eua Island?
The sea in Eua Island ranges from about 24°C (August) to 28°C (January). Month-by-month sea temperatures are on this page.
How strong is the sun in Eua Island?
The typical midday UV index in Eua Island peaks around 13 (extreme) in January, easing to about 5 (moderate) in June. Month-by-month midday UV values are in the UV column of the table on this page.
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