Climate Insights for Belaga

Belaga, Sarawak, Malaysia

Hottest
August
31°C peak
Coldest
September
21°C low
Wettest
January
410mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Belaga is hot. The average annual temperature is 25°C and approximately 3822mm of precipitation falls per year. Belaga receives a notable amount of rainfall throughout the year, including during its driest month. Belaga sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 30° Average: 25° Min: 22° Feb Max: 30° Average: 25° Min: 22° Mar Max: 30° Average: 25° Min: 22° Apr Max: 30° Average: 25° Min: 22° May Max: 30° Average: 26° Min: 22° Jun Max: 30° Average: 25° Min: 22° Jul Max: 30° Average: 25° Min: 22° Aug Max: 31° Average: 25° Min: 22° Sep Max: 30° Average: 25° Min: 21° Oct Max: 30° Average: 25° Min: 22° Nov Max: 30° Average: 25° Min: 22° Dec Max: 30° Average: 25° Min: 22°
Max
Average
Min

Belaga has relatively stable temperatures year-round, staying within a 10°C range. The warmest month is August, when average highs reach 31°C and the mean temperature sits around 25°C. September is the coolest month, with minimum temperatures around 21°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 410mm Feb Precipitation: 358mm Mar Precipitation: 314mm Apr Precipitation: 336mm May Precipitation: 330mm Jun Precipitation: 281mm Jul Precipitation: 235mm Aug Precipitation: 201mm Sep Precipitation: 294mm Oct Precipitation: 328mm Nov Precipitation: 379mm Dec Precipitation: 358mm
Precipitation

Belaga is a very wet location, receiving approximately 3822mm of precipitation annually, which averages out to around 319mm per month. The wettest month is January, averaging 410mm of rainfall. November and February also tend to see above-average precipitation. The driest month is August, with just 201mm. That's 209mm less than January, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 1km/h Feb Wind Speed: 1km/h Mar Wind Speed: 1km/h Apr Wind Speed: 1km/h May Wind Speed: 1km/h Jun Wind Speed: 1km/h Jul Wind Speed: 1km/h Aug Wind Speed: 1km/h Sep Wind Speed: 1km/h Oct Wind Speed: 1km/h Nov Wind Speed: 1km/h Dec Wind Speed: 1km/h
Wind Speed

Belaga is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in May, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

Seasons

Winter
Dec 21
Spring
Mar 20
Summer
Jun 21
Autumn
Sep 23

92 days until Autumn

It is currently summer in Belaga, which began on June 21, 2026. Belaga sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in August at around 31°C, while the coldest stretch bottoms out in September near 21°C. Autumn is next, beginning on September 23, 2026 — 92 days from now.

Spring

Temperatures range from 22 to 30°C. Rainfall is heavy, totalling around 980mm across the season with a monthly average of 327mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 22 to 31°C. Rainfall is heavy, totalling around 716mm across the season with a monthly average of 239mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 21 to 30°C. Rainfall is heavy, totalling around 1001mm across the season with a monthly average of 334mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 22 to 30°C. Rainfall is heavy, totalling around 1125mm across the season with a monthly average of 375mm. Winds are generally light, averaging 1km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Monthly Climate Data

The table below shows monthly climate averages for Belaga based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.

Month
Min Temperature
Max Temperature
Wind Speed
Precipitation
Snow
Jan
22 °C
30 °C
1 km/h
410 mm
0 cm
Feb
22 °C
30 °C
1 km/h
358 mm
0 cm
Mar
22 °C
30 °C
1 km/h
314 mm
0 cm
Apr
22 °C
30 °C
1 km/h
336 mm
0 cm
May
22 °C
30 °C
1 km/h
330 mm
0 cm
Jun Current
22 °C
30 °C
1 km/h
281 mm
0 cm
Jul
22 °C
30 °C
1 km/h
235 mm
0 cm
Aug
22 °C
31 °C
1 km/h
201 mm
0 cm
Sep
21 °C
30 °C
1 km/h
294 mm
0 cm
Oct
22 °C
30 °C
1 km/h
328 mm
0 cm
Nov
22 °C
30 °C
1 km/h
379 mm
0 cm
Dec
22 °C
30 °C
1 km/h
358 mm
0 cm
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