Waingapu-Sumba Island weather by month & the best time to visit
Indonesia · beach resort · tropical — wet & dry seasons climate
The best time to visit Waingapu-Sumba Island is August — its sunniest month (Sunshine Score 95/100), with July and June close behind. Waingapu-Sumba Island averages about 2,998 hours of sunshine a year. Daytime highs around 31°C / 88°F and roughly 10 mm of rain in August.
When is the best time to visit Waingapu-Sumba Island?
For sunshine, the best time to visit Waingapu-Sumba Island is August, then July and June. The dullest month is November (63/100, 97 mm of rain). The full month-by-month picture is in the table below.
How sunny is Waingapu-Sumba Island?
Waingapu-Sumba Island gets a lot of sun: around 2,998 hours a year. August (95/100) is noticeably better than November (63). It ranks #7 of 119 destinations in Indonesia for annual sunshine, above the national median of 2,183 hours. Rain has a clear season: the wettest stretch, around January, carries about 52% of the annual 1,270 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 69 | 30° / 86°F | 26° / 79°F | 236 mm | 12 | 30° / 86°F |
| February | 69 | 30° / 86°F | 26° / 79°F | 203 mm | 13 | 30° / 86°F |
| March | 69 | 30° / 86°F | 26° / 79°F | 204 mm | 12 | 30° / 86°F |
| April | 74 | 31° / 88°F | 26° / 79°F | 124 mm | 11 | 30° / 86°F |
| May | 86 | 30° / 86°F | 25° / 77°F | 60 mm | 10 | 28° / 82°F |
| June | 91 | 29° / 84°F | 24° / 75°F | 32 mm | 9 | 28° / 82°F |
| July | 94 | 30° / 86°F | 23° / 73°F | 17 mm | 9 | 27° / 81°F |
| August | 95 | 31° / 88°F | 23° / 73°F | 10 mm | 11 | 27° / 81°F |
| September | 84 | 33° / 91°F | 25° / 77°F | 21 mm | 12 | 28° / 82°F |
| October | 72 | 34° / 93°F | 26° / 79°F | 39 mm | 13 | 29° / 84°F |
| November | 63 | 34° / 93°F | 27° / 81°F | 97 mm | 12 | 31° / 88°F |
| December | 69 | 31° / 88°F | 27° / 81°F | 227 mm | 12 | 30° / 86°F |
Sea temperature in Waingapu-Sumba Island by month
The sea off Waingapu-Sumba Island is warmest in November at around 31°C / 88°F, and coolest in July at 27°C / 81°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
Waingapu-Sumba Island: questions and answers
What kind of destination is Waingapu-Sumba Island?
Waingapu-Sumba Island is a beach resort in Indonesia with a tropical — wet & dry seasons climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Waingapu-Sumba Island get a year?
Waingapu-Sumba Island gets about 2,998 hours of sunshine a year, at its best around August.
When is the best time to visit Waingapu-Sumba Island?
The sunniest time to visit Waingapu-Sumba Island is August, when the Sunshine Score peaks at 95/100 (with July and June close behind). Expect daytime highs around 31°C / 88°F.
What is the least sunny month in Waingapu-Sumba Island?
November is the least sunny month in Waingapu-Sumba Island, scoring 63/100 with about 97 mm of rain.
What is the sea temperature in Waingapu-Sumba Island?
The sea in Waingapu-Sumba Island ranges from about 27°C (July) to 31°C (November). Month-by-month sea temperatures are on this page.
How strong is the sun in Waingapu-Sumba Island?
The typical midday UV index in Waingapu-Sumba Island peaks around 13 (extreme) in February, easing to about 9 (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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