Climate Insights for Aiambak Airport

, Western Province, Papua New Guinea

Hottest
February
31°C peak
Coldest
August
23°C low
Wettest
March
431mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Aiambak Airport is hot. The average annual temperature is 27°C and approximately 2786mm of precipitation falls per year. Aiambak Airport receives a notable amount of rainfall throughout the year, including during its driest month. Aiambak Airport 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: 31° Average: 27° Min: 25° Feb Max: 31° Average: 27° Min: 25° Mar Max: 31° Average: 27° Min: 25° Apr Max: 31° Average: 27° Min: 25° May Max: 30° Average: 27° Min: 25° Jun Max: 29° Average: 26° Min: 24° Jul Max: 28° Average: 25° Min: 23° Aug Max: 28° Average: 25° Min: 23° Sep Max: 29° Average: 26° Min: 24° Oct Max: 30° Average: 27° Min: 24° Nov Max: 31° Average: 27° Min: 25° Dec Max: 31° Average: 28° Min: 25°
Max
Average
Min

Aiambak Airport has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is February, when average highs reach 31°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 23°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 5°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: 332mm Feb Precipitation: 335mm Mar Precipitation: 431mm Apr Precipitation: 337mm May Precipitation: 216mm Jun Precipitation: 134mm Jul Precipitation: 90mm Aug Precipitation: 73mm Sep Precipitation: 115mm Oct Precipitation: 175mm Nov Precipitation: 220mm Dec Precipitation: 329mm
Precipitation

Aiambak Airport is a very wet location, receiving approximately 2786mm of precipitation annually, which averages out to around 232mm per month. The wettest month is March, averaging 431mm of rainfall. April and February also tend to see above-average precipitation. The driest month is August, with just 73mm. That's 358mm less than March, the wettest month. Rainfall is heavily concentrated in certain months, creating a distinct wet and dry season. Visitors should plan around these patterns, as the difference between peak and low months is dramatic.

Wind

0km/h 5km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 2km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 2km/h May Wind Speed: 2km/h Jun Wind Speed: 3km/h Jul Wind Speed: 3km/h Aug Wind Speed: 3km/h Sep Wind Speed: 3km/h Oct Wind Speed: 2km/h Nov Wind Speed: 2km/h Dec Wind Speed: 1km/h
Wind Speed

Aiambak Airport is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 3km/h, though still comfortable for most outdoor activities. The calmest conditions occur in December, with average winds dropping to 1km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 2km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans.

Seasons

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

93 days until Spring

It is currently winter in Aiambak Airport, which began on June 21, 2026. Aiambak 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 February at around 31°C, while the coldest stretch bottoms out in August near 23°C. Spring is next, beginning on September 23, 2026 — 93 days from now.

Spring

Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 510mm across the season with a monthly average of 170mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 25 to 31°C. Rainfall is heavy, totalling around 997mm across the season with a monthly average of 332mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 25 to 31°C. Rainfall is heavy, totalling around 984mm across the season with a monthly average of 328mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 23 to 29°C. Precipitation is moderate at around 296mm for the season, averaging 99mm per month. Winds are generally light, averaging 3km/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 Aiambak 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
31 °C
2 km/h
332 mm
0 cm
Feb
25 °C
31 °C
2 km/h
335 mm
0 cm
Mar
25 °C
31 °C
2 km/h
431 mm
0 cm
Apr
25 °C
31 °C
2 km/h
337 mm
0 cm
May
25 °C
30 °C
2 km/h
216 mm
0 cm
Jun Current
24 °C
29 °C
3 km/h
134 mm
0 cm
Jul
23 °C
28 °C
3 km/h
90 mm
0 cm
Aug
23 °C
28 °C
3 km/h
73 mm
0 cm
Sep
24 °C
29 °C
3 km/h
115 mm
0 cm
Oct
24 °C
30 °C
2 km/h
175 mm
0 cm
Nov
25 °C
31 °C
2 km/h
220 mm
0 cm
Dec
25 °C
31 °C
1 km/h
329 mm
0 cm
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