Climate averages 1991–2020
Sibu weather
in May.
A hot, very wet month: one of the warmest and the 4th driest of the year.
Long-term climate patterns, not a forecast for a particular trip.
May is a hot month in Sibu: daytime highs average 30.5°C and nights cool to about 23.9°C. By daytime temperature it is one of the warmest months of the year.
Expect about 218 mm of rain on roughly 26 days, which makes May a very wet month (the 4th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 13 min on an average May day.
The nearest other city in this atlas is Bintulu (166 km away). In May its highs average 30.7°C, about as warm as Sibu, with 183 mm of rain.
Among the 72 cities listed in Malaysia, Sibu ranks joint 9th of 72 for the warmest May highs and joint 45th of 72 for the driest May (rainfall, lowest first). The mean May high of those 72 cities is 30.1°C; Sibu is 0.5°C warmer than that mean.
From May to June, average highs fall by 0.2°C to 30.4°C, and monthly rainfall falls from 218 mm to 177 mm.
The annual picture
May in context
Monthly rainfall
Average total · mmAverages from hourly ERA5 reanalysis data. Actual weather varies from year to year. How these numbers are calculated
Every month, side by side
Sibu climate table
| Month | Average highHigh / low | Average low | Rainfall mm/month | Rain days ≥1 mm/day | Daylight hours/dayDaylight h/day |
|---|---|---|---|---|---|
| January | 29.2°C22.9°C | 22.9°C | 312 | 27.8 | 12.012 h |
| February | 29.6°C23.0°C | 23.0°C | 243 | 24.1 | 12.012 h |
| March | 30.2°C23.3°C | 23.3°C | 227 | 26.0 | 12.112 h |
| April | 30.5°C23.6°C | 23.6°C | 230 | 26.8 | 12.212 h |
| May, selected | 30.5°C23.9°C | 23.9°C | 218 | 25.8 | 12.212 h |
| June | 30.4°C23.7°C | 23.7°C | 177 | 21.2 | 12.312 h |
| July | 30.3°C23.5°C | 23.5°C | 174 | 20.7 | 12.212 h |
| August | 30.5°C23.5°C | 23.5°C | 192 | 21.2 | 12.212 h |
| September | 30.3°C23.4°C | 23.4°C | 242 | 24.6 | 12.112 h |
| October | 29.9°C23.3°C | 23.3°C | 280 | 28.0 | 12.112 h |
| November | 29.5°C23.2°C | 23.2°C | 307 | 28.7 | 12.012 h |
| December | 29.2°C23.0°C | 23.0°C | 344 | 29.0 | 12.012 h |
Rainfall is the average of the 30 separate monthly totals. A rain day is a local calendar day with at least 1 mm of precipitation. Daylight is the calculated sunrise-to-sunset length, not measured sunshine.
Compare places
May in nearby cities
- Bintulu in MayMalaysia · 166 kmHigh 30.7°C · Low 24.2°C · 183 mm rain
- Kuching in MayMalaysia · 185 kmHigh 30.3°C · Low 24.5°C · 245 mm rain
- Sintang in MayIndonesia · 251 kmHigh 30.2°C · Low 23.9°C · 243 mm rain
- Miri in MayMalaysia · 336 kmHigh 29.6°C · Low 25.3°C · 159 mm rain
- Marudi in MayMalaysia · 348 kmHigh 31.1°C · Low 23.9°C · 238 mm rain
- Singkawang in MayIndonesia · 351 kmHigh 29.6°C · Low 24.8°C · 221 mm rain
- Pontianak in MayIndonesia · 379 kmHigh 30.1°C · Low 24.2°C · 225 mm rain
- Bandar Seri Begawan in MayBrunei · 451 kmHigh 30.5°C · Low 24.9°C · 148 mm rain
Read the numbers correctly
Climate, not a promise.
These patterns help compare months. They cannot tell you the weather on a specific day of your trip.
Sources, method and limitsHow these numbers are made (what the highs, lows and rain days mean, the sources and the model cell used for Sibu) is explained once on the Sibu year overview and on the Sources, method and limits page.