| Month | High | Low | Rain | Wet days | Score |
|---|---|---|---|---|---|
| January | 30.3° | 23.7° | 484.8mm | 20.7 | 57 |
| February | 30.4° | 23.8° | 312.9mm | 16 | 56 |
| March | 31.4° | 24.4° | 243.4mm | 16.3 | 52 |
| April | 31.8° | 24.3° | 266.9mm | 17.5 | 51 |
| May | 32.2° | 24.5° | 242.4mm | 14.9 | 49 |
| June | 31.9° | 24.1° | 260mm | 16.2 | 50 |
| July | 32.2° | 24° | 267.8mm | 15.7 | 49 |
| August | 31.9° | 24° | 307.8mm | 16.5 | 50 |
| September | 31.6° | 23.9° | 285.4mm | 16.9 | 52 |
| October | 31.3° | 23.8° | 369.8mm | 19.5 | 53 |
| November | 31° | 23.6° | 401.5mm | 21.7 | 54 |
| December | 31° | 23.6° | 458.5mm | 22.5 | 54 |
January in Bintulu averages a daily high of 30.3°C with nights around 23.7°C. Expect roughly 20.7 wet days totalling 484.8mm. Generally workable, with some weather to plan around.
February in Bintulu averages a daily high of 30.4°C with nights around 23.8°C. Expect roughly 16 wet days totalling 312.9mm. Generally workable, with some weather to plan around.
March in Bintulu averages a daily high of 31.4°C with nights around 24.4°C. Expect roughly 16.3 wet days totalling 243.4mm. Demanding conditions — pack for it and plan indoor options.
April in Bintulu averages a daily high of 31.8°C with nights around 24.3°C. Expect roughly 17.5 wet days totalling 266.9mm. Demanding conditions — pack for it and plan indoor options.
May in Bintulu averages a daily high of 32.2°C with nights around 24.5°C. Expect roughly 14.9 wet days totalling 242.4mm. Demanding conditions — pack for it and plan indoor options.
June in Bintulu averages a daily high of 31.9°C with nights around 24.1°C. Expect roughly 16.2 wet days totalling 260mm. Demanding conditions — pack for it and plan indoor options.
July in Bintulu averages a daily high of 32.2°C with nights around 24°C. Expect roughly 15.7 wet days totalling 267.8mm. Demanding conditions — pack for it and plan indoor options.
August in Bintulu averages a daily high of 31.9°C with nights around 24°C. Expect roughly 16.5 wet days totalling 307.8mm. Demanding conditions — pack for it and plan indoor options.
September in Bintulu averages a daily high of 31.6°C with nights around 23.9°C. Expect roughly 16.9 wet days totalling 285.4mm. Demanding conditions — pack for it and plan indoor options.
October in Bintulu averages a daily high of 31.3°C with nights around 23.8°C. Expect roughly 19.5 wet days totalling 369.8mm. Demanding conditions — pack for it and plan indoor options.
November in Bintulu averages a daily high of 31°C with nights around 23.6°C. Expect roughly 21.7 wet days totalling 401.5mm. Demanding conditions — pack for it and plan indoor options.
December in Bintulu averages a daily high of 31°C with nights around 23.6°C. Expect roughly 22.5 wet days totalling 458.5mm. Demanding conditions — pack for it and plan indoor options.
Each month scores out of 100. It starts at 100 and loses points for daytime highs outside a 20–27°C band, for wet days, and for nights below 2°C. Nothing else is weighted in — no crowd data, no prices, no opinion. Bintulu peaks at 57.
Based on 30 years of records, Any time of year scores highest for comfort in Bintulu, balancing daytime temperature against rainfall.
May is the warmest, averaging a daily high of 32.2°C.
January is the wettest, averaging 484.8mm of rain across roughly 20.7 wet days.
January is the coolest month, with average daily highs around 30.3°C.