Climate averages 1991–2020

Sibu weather
in January.

A hot, very wet month: one of the coolest and the 11th driest of the year.

Long-term climate patterns, not a forecast for a particular trip.

Average high 29.2°C Daytime mean, January

Average low 22.9°C Night-time mean, January

Rainfall 312 mm 28 days with ≥1 mm

Daylight 12 h Sunrise to sunset, per day

January is a hot month in Sibu: daytime highs average 29.2°C and nights cool to about 22.9°C. By daytime temperature it is one of the coolest months of the year.

Expect about 312 mm of rain on roughly 28 days, which makes January a very wet month (the 11th driest of the 12 months). Daylight, from sunrise to sunset, lasts about 12 h 00 min on an average January day.

The nearest other city in this atlas is Bintulu (166 km away). In January its highs average 29.1°C, about as warm as Sibu, with 299 mm of rain.

Among the 72 cities listed in Malaysia, Sibu ranks joint 22nd of 72 for the warmest January highs and 70th of 72 for the driest January (rainfall, lowest first). The mean January high of those 72 cities is 28.9°C; Sibu is 0.4°C warmer than that mean.

From January to February, average highs rise by 0.4°C to 29.6°C, and monthly rainfall falls from 312 mm to 243 mm.

The annual picture

January in context

30-year average

Average highAverage low°C

Monthly rainfall

Average total · mm

Averages 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

1991–2020

Monthly climate averages for Sibu, 1991–2020
Month	Average highHigh / low	Average low	Rainfall mm/month	Rain days ≥1 mm/day	Daylight hours/dayDaylight h/day
January, selected	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	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

January in nearby cities

Distance from Sibu

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 limits

How 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.