Sibu weather by month & the best time to visit
Malaysia · regional city · tropical rainforest climate

The best time to visit Sibu is January — its sunniest month (Sunshine Score 63/100), with February and March close behind. Sibu averages about 1,953 hours of sunshine a year. Daytime highs around 28°C / 82°F and roughly 489 mm of rain in January.
When is the best time to visit Sibu?
For sunshine, the best time to visit Sibu is January, then February and March. The dullest month is January (63/100, 489 mm of rain). The full month-by-month picture is in the table below.
How sunny is Sibu?
Sibu gets a moderate 1,953 hours of sunshine a year. Conditions barely change through the year — only 0 Sunshine Score points separate January from January. It ranks #33 of 34 destinations in Malaysia for annual sunshine, below the national median of 2,210 hours. The year's 3,685 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 |
|---|---|---|---|---|---|
| January | 63 | 28° / 82°F | 23° / 73°F | 489 mm | 9 |
| February | 63 | 28° / 82°F | 23° / 73°F | 351 mm | 10 |
| March | 63 | 29° / 84°F | 23° / 73°F | 314 mm | 11 |
| April | 63 | 29° / 84°F | 24° / 75°F | 286 mm | 10 |
| May | 63 | 29° / 84°F | 24° / 75°F | 237 mm | 9 |
| June | 63 | 29° / 84°F | 24° / 75°F | 224 mm | 9 |
| July | 63 | 29° / 84°F | 23° / 73°F | 202 mm | 9 |
| August | 63 | 29° / 84°F | 23° / 73°F | 242 mm | 9 |
| September | 63 | 29° / 84°F | 23° / 73°F | 242 mm | 9 |
| October | 63 | 28° / 82°F | 23° / 73°F | 281 mm | 9 |
| November | 63 | 28° / 82°F | 23° / 73°F | 388 mm | 9 |
| December | 63 | 28° / 82°F | 23° / 73°F | 429 mm | 9 |
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Sibu: questions and answers
What kind of destination is Sibu?
Sibu is a regional city in Malaysia with a tropical rainforest climate.
How many hours of sunshine does Sibu get a year?
Sibu gets about 1,953 hours of sunshine a year, at its best around January.
When is the best time to visit Sibu?
The sunniest time to visit Sibu is January, when the Sunshine Score peaks at 63/100 (with February and March close behind). Expect daytime highs around 28°C / 82°F.
What is the least sunny month in Sibu?
January is the least sunny month in Sibu, scoring 63/100 with about 489 mm of rain.
How strong is the sun in Sibu?
The typical midday UV index in Sibu peaks around 11 (extreme) in March, easing to about 9 (very high) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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