Waisai weather by month & the best time to visit
Indonesia · beach resort · tropical rainforest climate
The best time to visit Waisai is January — its sunniest month (Sunshine Score 65/100), with February and March close behind. Waisai averages about 2,375 hours of sunshine a year. Daytime highs around 29°C / 84°F and roughly 162 mm of rain in January.
When is the best time to visit Waisai?
For sunshine, the best time to visit Waisai is January, then February and March. The dullest month is January (65/100, 162 mm of rain). The full month-by-month picture is in the table below.
How sunny is Waisai?
Waisai gets a moderate 2,375 hours of sunshine a year. Conditions barely change through the year — only 0 Sunshine Score points separate January from January. It ranks #42 of 119 destinations in Indonesia for annual sunshine, above the national median of 2,183 hours. The year's 2,675 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 | 65 | 29° / 84°F | 27° / 81°F | 162 mm | 11 | 30° / 86°F |
| February | 65 | 29° / 84°F | 27° / 81°F | 168 mm | 11 | 30° / 86°F |
| March | 65 | 29° / 84°F | 27° / 81°F | 205 mm | 12 | 30° / 86°F |
| April | 65 | 29° / 84°F | 27° / 81°F | 214 mm | 11 | 31° / 88°F |
| May | 65 | 29° / 84°F | 27° / 81°F | 268 mm | 10 | 31° / 88°F |
| June | 65 | 28° / 82°F | 27° / 81°F | 330 mm | 9 | 30° / 86°F |
| July | 65 | 28° / 82°F | 26° / 79°F | 321 mm | 9 | 30° / 86°F |
| August | 65 | 28° / 82°F | 26° / 79°F | 238 mm | 10 | 30° / 86°F |
| September | 65 | 28° / 82°F | 26° / 79°F | 239 mm | 11 | 30° / 86°F |
| October | 65 | 29° / 84°F | 27° / 81°F | 170 mm | 11 | 31° / 88°F |
| November | 65 | 29° / 84°F | 27° / 81°F | 177 mm | 10 | 31° / 88°F |
| December | 65 | 29° / 84°F | 27° / 81°F | 183 mm | 10 | 31° / 88°F |
Sea temperature in Waisai by month
The sea off Waisai is warmest in April at around 31°C / 88°F, and coolest in January at 30°C / 86°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
Waisai: questions and answers
What kind of destination is Waisai?
Waisai is a beach resort in Indonesia with a tropical rainforest climate — the sea reaches 31°C at its warmest and is swimmable (21°C+) year-round.
How many hours of sunshine does Waisai get a year?
Waisai gets about 2,375 hours of sunshine a year, at its best around January.
When is the best time to visit Waisai?
The sunniest time to visit Waisai is January, when the Sunshine Score peaks at 65/100 (with February and March close behind). Expect daytime highs around 29°C / 84°F.
What is the least sunny month in Waisai?
January is the least sunny month in Waisai, scoring 65/100 with about 162 mm of rain.
What is the sea temperature in Waisai?
The sea in Waisai ranges from about 30°C (January) to 31°C (April). Month-by-month sea temperatures are on this page.
How strong is the sun in Waisai?
The typical midday UV index in Waisai peaks around 12 (extreme) in March, 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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