Climate Insights for Nissan Island Airport

, Bougainville, Papua New Guinea

Hottest
February
29°C peak
Coldest
August
26°C low
Wettest
July
424mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Nissan Island Airport is hot. The average annual temperature is 28°C and approximately 4221mm of precipitation falls per year. Nissan Island Airport receives a notable amount of rainfall throughout the year, including during its driest month. Nissan Island 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: 29° Average: 28° Min: 27° Feb Max: 29° Average: 28° Min: 27° Mar Max: 29° Average: 28° Min: 27° Apr Max: 28° Average: 28° Min: 27° May Max: 28° Average: 28° Min: 27° Jun Max: 28° Average: 27° Min: 26° Jul Max: 28° Average: 27° Min: 26° Aug Max: 28° Average: 27° Min: 26° Sep Max: 28° Average: 27° Min: 26° Oct Max: 28° Average: 27° Min: 26° Nov Max: 29° Average: 28° Min: 27° Dec Max: 29° Average: 28° Min: 27°
Max
Average
Min

Nissan Island Airport has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is February, when average highs reach 29°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 26°C and an average of 27°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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 279mm Feb Precipitation: 278mm Mar Precipitation: 358mm Apr Precipitation: 403mm May Precipitation: 260mm Jun Precipitation: 384mm Jul Precipitation: 424mm Aug Precipitation: 400mm Sep Precipitation: 381mm Oct Precipitation: 325mm Nov Precipitation: 341mm Dec Precipitation: 388mm
Precipitation

Nissan Island Airport is a very wet location, receiving approximately 4221mm of precipitation annually, which averages out to around 352mm per month. The wettest month is July, averaging 424mm of rainfall. April and August also tend to see above-average precipitation. The driest month is May, with just 260mm. That's 164mm 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 4km/h Feb Wind Speed: 5km/h Mar Wind Speed: 4km/h Apr Wind Speed: 3km/h May Wind Speed: 4km/h Jun Wind Speed: 4km/h Jul Wind Speed: 5km/h Aug Wind Speed: 4km/h Sep Wind Speed: 5km/h Oct Wind Speed: 4km/h Nov Wind Speed: 4km/h Dec Wind Speed: 4km/h
Wind Speed

Nissan Island Airport is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is February, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 3km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 2km/h gap between the calmest and windiest months.

Seasons

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

84 days until Spring

It is currently winter in Nissan Island Airport, which began on June 21, 2026. Nissan Island 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 29°C, while the coldest stretch bottoms out in August near 26°C. Spring is next, beginning on September 23, 2026 — 84 days from now.

Spring

Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 1048mm across the season with a monthly average of 349mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 945mm across the season with a monthly average of 315mm. Winds are generally light, averaging 4km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 1021mm across the season with a monthly average of 340mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1207mm across the season with a monthly average of 402mm. Winds are generally light, averaging 4km/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 Nissan Island 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
27 °C
29 °C
4 km/h
279 mm
0 cm
Feb
27 °C
29 °C
5 km/h
278 mm
0 cm
Mar
27 °C
29 °C
4 km/h
358 mm
0 cm
Apr
27 °C
28 °C
3 km/h
403 mm
0 cm
May
27 °C
28 °C
4 km/h
260 mm
0 cm
Jun
26 °C
28 °C
4 km/h
384 mm
0 cm
Jul Current
26 °C
28 °C
5 km/h
424 mm
0 cm
Aug
26 °C
28 °C
4 km/h
400 mm
0 cm
Sep
26 °C
28 °C
5 km/h
381 mm
0 cm
Oct
26 °C
28 °C
4 km/h
325 mm
0 cm
Nov
27 °C
29 °C
4 km/h
341 mm
0 cm
Dec
27 °C
29 °C
4 km/h
388 mm
0 cm
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