Sunshine Map

Nuku'alofa weather by month & the best time to visit

🇹🇴 Tonga · beach resort · tropical rainforest climate

The best time to visit Nuku'alofa is July — its sunniest month (Sunshine Score 82/100), with August and September close behind. Nuku'alofa averages about 2,598 hours of sunshine a year. Daytime highs around 23°C / 73°F and roughly 67 mm of rain in July.

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Sun hours / year
2,598
Sunniest month
July
Peak score
82/100
Rain / year
1,518 mm
Midday UV at peak
13 (extreme)
Sea at warmest
28°C / 82°F
Population
22k
Elevation
31 m
Nuku'alofa, Tonga
Nuku'alofa — photo via Wikimedia Commons

When is the best time to visit Nuku'alofa?

For sunshine, the best time to visit Nuku'alofa is July, then August and September. The dullest month is January (67/100, 197 mm of rain). The full month-by-month picture is in the table below.

How sunny is Nuku'alofa?

Nuku'alofa gets a lot of sun: around 2,598 hours a year. Conditions barely change through the year — only 15 Sunshine Score points separate July from January. It ranks #5 of 5 destinations in Tonga for annual sunshine, below the national median of 2,663 hours. The year's 1,518 mm of rain spreads fairly evenly across the months, with no pronounced dry season.

Sunshine Score by month

January: 67February: 67March: 67April: 67May: 74June: 76July: 8282August: 79September: 79October: 78November: 74December: 73JFMAMJJASOND
MonthScoreDay highNight lowRainUVSea
January67 27° / 81°F26° / 79°F 197 mm1328° / 82°F
February67 27° / 81°F26° / 79°F 197 mm1228° / 82°F
March67 27° / 81°F26° / 79°F 197 mm1128° / 82°F
April67 26° / 79°F26° / 79°F 170 mm827° / 81°F
May74 25° / 77°F24° / 75°F 112 mm627° / 81°F
June76 24° / 75°F23° / 73°F 100 mm526° / 79°F
July82 23° / 73°F22° / 72°F 67 mm624° / 75°F
August79 23° / 73°F22° / 72°F 81 mm724° / 75°F
September79 23° / 73°F22° / 72°F 83 mm824° / 75°F
October78 24° / 75°F23° / 73°F 88 mm1025° / 77°F
November74 25° / 77°F24° / 75°F 111 mm1126° / 79°F
December73 26° / 79°F25° / 77°F 115 mm1227° / 81°F

Sea temperature in Nuku'alofa by month

The sea off Nuku'alofa is warmest in January at around 28°C / 82°F, and coolest in July 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.

See Nuku'alofa on the interactive sunshine globe →

Nearby places for sunshine

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