Sibu Jaya in Winter
In winter (December, January and February), Sibu Jaya sees average daytime highs around 30°C and overnight lows near 23°C, with 845 mm of rain over about 80 wet days across the season. It is the coldest season of the year and the wettest season of the year.
Across winter, daytime highs hold fairly steady around 30°C. The sky is clear or mostly clear about 0% of the time across winter, and the air most often feels oppressive.
Winter is Sibu Jaya's 2nd-best season to visit on our travel score. Sibu Jaya has little temperature swing across the year, so its calendar seasons blur — the season framing matters less here than for a place with four distinct seasons. For the whole year in context, see Sibu Jaya's year-round climate.
- Avg daytime high
- 30°C
- coldest season of the year
- Avg overnight low
- 23°C
- Rainfall
- 845 mm
- 80 wet days
- Avg wind
- 5 km/h
- Travel score
- 2.8
- 2nd-best season
- Months
- Dec · Jan · Feb
Temperature in Sibu Jaya in Winter
Across winter, daytime highs hold fairly steady around 30°C.
A typical winter day in Sibu Jaya reaches about 30°C and drops to 23°C overnight. The warmest of the three months is December, the coolest January.
How winter really feels in Sibu Jaya
Once humidity and wind are folded in, winter brings about 90 days that feel above 32°C and 0 that feel at or below 0°C.
The story in winter is heat — humidity pushes the afternoon "feels like" well above the raw temperature.
Sibu Jaya weather by month
How the three winter months (December, January and February) compare with the rest of the year — the season's months are highlighted.
| Month | High / Low (°C) | Rainfall (mm) | Wet days | Daylight (hours) | Travel score |
|---|---|---|---|---|---|
| Jan | 30° / 23° | 299 | 27.5 | 11.9 | 2.8 |
| Feb | 30° / 23° | 229 | 23.4 | 11.9 | 2.9 |
| Mar | 31° / 24° | 218 | 25.9 | 12 | 2.7 |
| Apr | 31° / 24° | 226 | 26.6 | 12 | 2.5 |
| May | 31° / 24° | 211 | 25.6 | 12.1 | 2.7 |
| Jun | 31° / 24° | 170 | 21.1 | 12.1 | 3.1 |
| Jul | 31° / 24° | 172 | 20.7 | 12.1 | 3.2 |
| Aug | 31° / 24° | 185 | 21.5 | 12.1 | 3.0 |
| Sep | 31° / 23° | 234 | 24.4 | 12 | 2.8 |
| Oct | 31° / 23° | 263 | 27.7 | 12 | 2.6 |
| Nov | 30° / 23° | 288 | 28.5 | 11.9 | 2.5 |
| Dec | 30° / 23° | 317 | 28.7 | 11.9 | 2.6 |
Cloud cover in Winter
The sky is clear or mostly clear about 0% of the time across winter.
Chance of precipitation in Winter
Sibu Jaya gets around 845 mm of rain over 80 wet days across winter. The line is the day-by-day chance of measurable precipitation.
Humidity in Winter
Most of winter feels oppressive — the stacked bands show each day's mix of comfort levels, read off the dew point.
Wind in Winter
Winds average 5 km/h across winter.
Sunrise & sunset in Winter
Daylight runs from about 11 h 54 min in early December to 12 hours by late February. The lit band spans sunrise to sunset each day.
Solar energy in Winter
Average shortwave solar energy reaching the ground each day across winter, about 4.0 kWh/m².
Is winter a good time to visit Sibu Jaya?
Our two travel scores rate winter for general sightseeing and for beach or pool weather — 0 (poor) to 10 (ideal), averaged across the three months.
winter is a weaker month for outdoor sightseeing in Sibu Jaya.
What to pack for Sibu Jaya in Winter
From winter's temperature range, rain chance, sun and wind — what's worth putting in the bag.
In winter, Sibu Jaya sees daytime highs around 30°C and nights near 23°C. Pack light clothes and rain gear. About 80 days see rain.
UV index in Sibu Jaya in Winter
Clear-sky midday UV across winter averages around 13 (very high — sun protection essential). The full-year curve, shaded by WHO exposure level, is below.
Under clear skies, the midday UV index in Sibu Jaya peaks around March 14 at about 15 (extreme) — sunscreen, a hat and midday shade are essential. It bottoms out near July 14 at about 11 (extreme).
The index reaches 3 or more — the level where the WHO recommends sun protection — every month of the year.
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| UV index (midday) | 13 | 15 | 15 | 15 | 14 | 12 | 11 | 13 | 13 | 14 | 11 | 11 |
| Level | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme | Extreme |
| UV index (midday) | Level | |
|---|---|---|
| Jan | 13 | Extreme |
| Feb | 15 | Extreme |
| Mar | 15 | Extreme |
| Apr | 15 | Extreme |
| May | 14 | Extreme |
| Jun | 12 | Extreme |
| Jul | 11 | Extreme |
| Aug | 13 | Extreme |
| Sep | 13 | Extreme |
| Oct | 14 | Extreme |
| Nov | 11 | Extreme |
| Dec | 11 | Extreme |
Air quality in Sibu Jaya in Winter
Average fine-particle pollution (PM2.5) through the year — so you can see where winter falls, not just the annual average.
Air quality in Sibu Jaya is worst in September — around 26 µg/m³ PM2.5 (moderate), about 2.4× the cleanest month (December, 11 µg/m³).
Modeled monthly averages (CAMS reanalysis, 2015–2024).
| Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| PM2.5 (µg/m³) | 12 | 12 | 13 | 14 | 13 | 14 | 16 | 22 | 26 | 17 | 11 | 11 |
| Level | Good | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Moderate | Good | Good |
| PM2.5 (µg/m³) | Level | |
|---|---|---|
| Jan | 12 | Good |
| Feb | 12 | Moderate |
| Mar | 13 | Moderate |
| Apr | 14 | Moderate |
| May | 13 | Moderate |
| Jun | 14 | Moderate |
| Jul | 16 | Moderate |
| Aug | 22 | Moderate |
| Sep | 26 | Moderate |
| Oct | 17 | Moderate |
| Nov | 11 | Good |
| Dec | 11 | Good |
Where is Sibu Jaya?
Sibu Jaya sits at 2.2°N, 112.0°E, 68 m above sea level, in Malaysia. The nearest listed city is Sibu, 18 km away.
Topography around Sibu Jaya
How much the land rises and falls, and what covers it, within 3, 16 and 80 km of Sibu Jaya.
Within 3 km, the terrain around Sibu Jaya has only modest variations in elevation — a maximum elevation change of 47 m around an average of 23 m above sea level; within 16 km, only modest variations in elevation — a maximum elevation change of 223 m; within 80 km, large variations in elevation — a maximum elevation change of 971 m.
The land around Sibu Jaya is covered by trees (75%) within 3 km, trees (90%) within 16 km, and trees (90%) within 80 km.
Malaysia travel facts
- Travel advisory
- Level 1
- Exercise Normal Precautions
- Power plugs
- Type C / G / M
- 230 V · 50 Hz
- Prices
- ≈ 32% of US
- price level, 2025
- GDP per capita
- $13,125
- 2025
- Happiness
- 6.0 / 10
- World Happiness, 2025
- Safe drinking water
- 95%
- of population, 2024
- Homicide rate
- 0.7
- per 100k, 2023
- Road deaths
- 22.5
- per 100k/yr, 2019
- Income group
- Upper middle
- World Bank
- English
- High
- EF EPI 581
- Religion
Sources: World Bank, US State Department, World Happiness Report, WHO/UNICEF, EF EPI, CIA World Factbook.
Data sources
Temperature, precipitation, cloud, humidity, wind and solar figures are a 1991–2020 climatology for Sibu Jaya (2.2403°, 111.9714°, elevation 68 m), computed from hourly ERA5 reanalysis — contains modified Copernicus Climate Change Service information. Sun figures are astronomical calculations, not observations. City data © GeoNames, CC BY 4.0. Map outlines from Natural Earth (public domain); interactive map © Google.