Climate Insights for Bialla Airport

, West New Britain Province, Papua New Guinea

Hottest
November
28°C peak
Coldest
February
25°C low
Wettest
July
668mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Bialla Airport is hot. The average annual temperature is 26°C and approximately 6285mm of precipitation falls per year. Bialla Airport receives a notable amount of rainfall throughout the year, including during its driest month. Bialla Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 27° Average: 26° Min: 25° Feb Max: 27° Average: 26° Min: 25° Mar Max: 27° Average: 26° Min: 25° Apr Max: 27° Average: 26° Min: 26° May Max: 28° Average: 27° Min: 26° Jun Max: 27° Average: 26° Min: 26° Jul Max: 27° Average: 26° Min: 25° Aug Max: 27° Average: 26° Min: 25° Sep Max: 27° Average: 26° Min: 25° Oct Max: 28° Average: 27° Min: 26° Nov Max: 28° Average: 27° Min: 26° Dec Max: 27° Average: 26° Min: 26°
Max
Average
Min

Bialla Airport has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is November, when average highs reach 28°C and the mean temperature sits around 27°C. February is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm 600mm 650mm 700mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 579mm Feb Precipitation: 582mm Mar Precipitation: 609mm Apr Precipitation: 451mm May Precipitation: 516mm Jun Precipitation: 549mm Jul Precipitation: 668mm Aug Precipitation: 595mm Sep Precipitation: 526mm Oct Precipitation: 417mm Nov Precipitation: 315mm Dec Precipitation: 477mm
Precipitation

Bialla Airport is a very wet location, receiving approximately 6285mm of precipitation annually, which averages out to around 524mm per month. The wettest month is July, averaging 668mm of rainfall. March and August also tend to see above-average precipitation. The driest month is November, with just 315mm. That's 353mm less than July, 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 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 11km/h Feb Wind Speed: 11km/h Mar Wind Speed: 11km/h Apr Wind Speed: 11km/h May Wind Speed: 11km/h Jun Wind Speed: 11km/h Jul Wind Speed: 10km/h Aug Wind Speed: 11km/h Sep Wind Speed: 12km/h Oct Wind Speed: 12km/h Nov Wind Speed: 11km/h Dec Wind Speed: 11km/h
Wind Speed

Bialla Airport is relatively calm, with an average annual wind speed of 11km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 12km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 10km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.

Seasons

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

89 days until Winter

It is currently autumn in Bialla Airport, which began on March 20, 2026. Bialla Airport sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in November at around 28°C, while the coldest stretch bottoms out in February near 25°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 1258mm across the season with a monthly average of 419mm. Winds are generally light, averaging 12km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 25 to 27°C. Rainfall is heavy, totalling around 1639mm across the season with a monthly average of 546mm. Winds are generally light, averaging 11km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 1576mm across the season with a monthly average of 525mm. Winds are generally light, averaging 11km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 25 to 27°C. Rainfall is heavy, totalling around 1812mm across the season with a monthly average of 604mm. Winds are generally light, averaging 11km/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 Bialla Airport 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
25 °C
27 °C
11 km/h
579 mm
0 cm
Feb
25 °C
27 °C
11 km/h
582 mm
0 cm
Mar Current
25 °C
27 °C
11 km/h
609 mm
0 cm
Apr
26 °C
27 °C
11 km/h
451 mm
0 cm
May
26 °C
28 °C
11 km/h
516 mm
0 cm
Jun
26 °C
27 °C
11 km/h
549 mm
0 cm
Jul
25 °C
27 °C
10 km/h
668 mm
0 cm
Aug
25 °C
27 °C
11 km/h
595 mm
0 cm
Sep
25 °C
27 °C
12 km/h
526 mm
0 cm
Oct
26 °C
28 °C
12 km/h
417 mm
0 cm
Nov
26 °C
28 °C
11 km/h
315 mm
0 cm
Dec
26 °C
27 °C
11 km/h
477 mm
0 cm
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Metric (°C, km/h)