Sumbawa Besar weather by month & the best time to visit
Indonesia · beach resort · tropical — wet & dry seasons climate
The best time to visit Sumbawa Besar is August — its sunniest month (Sunshine Score 94/100), with July and June close behind. Sumbawa Besar averages about 2,806 hours of sunshine a year. Daytime highs around 31°C / 88°F and roughly 7 mm of rain in August.
When is the best time to visit Sumbawa Besar?
For sunshine, the best time to visit Sumbawa Besar is August, then July and June. The dullest month is November (57/100, 133 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sumbawa Besar?
Sumbawa Besar gets a lot of sun: around 2,806 hours a year. August (94/100) is noticeably better than November (57). It ranks #15 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 54% of the annual 1,317 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV | Sea |
|---|---|---|---|---|---|---|
| January | 68 | 30° / 86°F | 25° / 77°F | 246 mm | 11 | 31° / 88°F |
| February | 68 | 30° / 86°F | 25° / 77°F | 230 mm | 11 | 31° / 88°F |
| March | 68 | 30° / 86°F | 25° / 77°F | 197 mm | 11 | 31° / 88°F |
| April | 75 | 30° / 86°F | 25° / 77°F | 111 mm | 11 | 31° / 88°F |
| May | 85 | 30° / 86°F | 24° / 75°F | 56 mm | 10 | 30° / 86°F |
| June | 90 | 29° / 84°F | 24° / 75°F | 28 mm | 9 | 29° / 84°F |
| July | 93 | 30° / 86°F | 23° / 73°F | 15 mm | 9 | 29° / 84°F |
| August | 94 | 31° / 88°F | 22° / 72°F | 7 mm | 11 | 29° / 84°F |
| September | 83 | 33° / 91°F | 23° / 73°F | 21 mm | 12 | 29° / 84°F |
| October | 71 | 34° / 93°F | 25° / 77°F | 36 mm | 12 | 30° / 86°F |
| November | 57 | 34° / 93°F | 26° / 79°F | 133 mm | 12 | 31° / 88°F |
| December | 68 | 31° / 88°F | 25° / 77°F | 237 mm | 10 | 30° / 86°F |
Sea temperature in Sumbawa Besar by month
The sea off Sumbawa Besar is warmest in January at around 31°C / 88°F, and coolest in June 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
Sumbawa Besar: questions and answers
What kind of destination is Sumbawa Besar?
Sumbawa Besar 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 Sumbawa Besar get a year?
Sumbawa Besar gets about 2,806 hours of sunshine a year, at its best around August.
When is the best time to visit Sumbawa Besar?
The sunniest time to visit Sumbawa Besar is August, when the Sunshine Score peaks at 94/100 (with July and June close behind). Expect daytime highs around 31°C / 88°F.
What is the least sunny month in Sumbawa Besar?
November is the least sunny month in Sumbawa Besar, scoring 57/100 with about 133 mm of rain.
What is the sea temperature in Sumbawa Besar?
The sea in Sumbawa Besar ranges from about 29°C (June) to 31°C (January). Month-by-month sea temperatures are on this page.
How strong is the sun in Sumbawa Besar?
The typical midday UV index in Sumbawa Besar peaks around 12 (extreme) in September, 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.
Put the Sumbawa Besar sunshine badge on your site
A compact badge showing Sumbawa Besar's sunshine at a glance — free to embed under CC BY 4.0. Paste this wherever you'd like it to appear:
Live preview — this is exactly what your readers see: