Weather & Climate in Kampong Mata Mata, Brunei

Temperature, precipitation, air quality, natural hazards, and monthly weather data.

Kampong Mata Mata has a warm climate with an average annual temperature of 81°F (27°C). Winters average 80°F in January while summers reach 81°F in July / relatively mild seasonal variation. The area gets 91 sunny days per year, below the national average of 205. Annual precipitation totals 146.1 inches (wetter than the 38-inch national average). Air quality is rated Good with a median AQI of 3 / among the cleanest air in the country. 94% of days have good air quality. The city sits at an elevation of 69 feet.

Temperature

80°F Jan (27°C) 81°F Jul (27°C)

Annual Average	81.2°F
	50% above US avg
January Average	80°F (27°C)
July Average	81°F (27°C)
Sunny Days	91 days/yr

Geography

Elevation	69 ft (21 m)
Area	52.9 sq mi (137.1 km²)
Population Density	135/sq mi
Coordinates	4.9000°N, 114.9000°W
Timezone	Asia/Brunei

Precipitation & Snow

Annual Rainfall 146.1"

284% above US avg

Snowfall 0.0"

Wettest Month (Nov) 15.79"

Driest Month (Mar) 7.91"

Air Quality

AQI Median	3.0
Rating	Good
Good Days %	94.4%

Earthquake History

2 earthquakes (M2.5+) recorded within 150 km since 1990. Strongest on record: M5.2.

Feb 22, 1992	68 km N of Tutong, Brunei	M5.2	69 km	40 km
Jun 30, 2005	63 km SSE of Lawas, Malaysia	M4.5	102 km	25 km

Source: USGS Earthquake Catalog (M2.5+, 1990–2025). Sorted by magnitude.

Monthly Weather

Month	Avg Temperature	Precipitation	Summary
January	80°F (27°C)	14.8 in	Coldest
February	80°F (27°C)	8.9 in
March	81°F (27°C)	7.9 in	Driest
April	82°F (28°C)	10.5 in	Warmest
May	82°F (28°C)	12.2 in
June	82°F (28°C)	10.5 in
July	81°F (27°C)	10.5 in
August	82°F (28°C)	11.1 in
September	81°F (27°C)	13.6 in
October	81°F (27°C)	15.0 in
November	81°F (27°C)	15.8 in	Wettest
December	81°F (27°C)	15.4 in

Kampong Mata Mata has a seasonal temperature swing of 2°F / from 80°F in January to 82°F in April. Total annual precipitation is 146.1 inches, with November being the wettest month (15.8") and March the driest (7.9").

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