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.
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- Sun hours / year
- 2,998
- Sunniest month
- August
- Peak score
- 95/100
- Rain / year
- 1,270 mm
- Midday UV at peak
- 13 (extreme)
- Sea at warmest
- 31°C / 88°F
- Population
- 36k
- Elevation
- 5 m
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.
See Waingapu-Sumba Island on the interactive sunshine globe →
Nearby places for sunshine
- Labuan Bajo, Manggarai Barat Indonesia · 140 km · best in Aug · 3,056 h sun/yr
- Bima Indonesia · 218 km · best in Aug · 2,771 h sun/yr
- Kupang Indonesia · 373 km · best in Aug · 3,118 h sun/yr
- Mataram (Pujut, Lombok Tengah) Indonesia · 453 km · best in Aug · 2,768 h sun/yr
- Makassar Indonesia · 517 km · best in Aug · 2,575 h sun/yr
- Denpasar Indonesia · 573 km · best in Aug · 2,777 h sun/yr
Nearest destinations
- Tambolaka Indonesia · 120 km · 2,922 h sun/yr · best in Aug
- Ruteng Indonesia · 121 km · 2,814 h sun/yr · best in Aug
- Ende Indonesia · 175 km · 2,880 h sun/yr · best in Aug
- Maumere Indonesia · 241 km · 3,003 h sun/yr · best in Aug
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