Climate Insights for Nissan Island Airport

, Bougainville, Papua New Guinea

Hottest
January
29°C peak
Coldest
August
26°C low
Wettest
July
394mm 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 3781mm 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: 29° 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: 28° Min: 27° 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 January, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 229mm Feb Precipitation: 273mm Mar Precipitation: 308mm Apr Precipitation: 366mm May Precipitation: 340mm Jun Precipitation: 317mm Jul Precipitation: 394mm Aug Precipitation: 383mm Sep Precipitation: 344mm Oct Precipitation: 242mm Nov Precipitation: 260mm Dec Precipitation: 328mm
Precipitation

Nissan Island Airport is a very wet location, receiving approximately 3781mm of precipitation annually, which averages out to around 315mm per month. The wettest month is July, averaging 394mm of rainfall. August and April also tend to see above-average precipitation. The driest month is January, with just 229mm. That's 165mm 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 20km/h 25km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 21km/h Feb Wind Speed: 24km/h Mar Wind Speed: 20km/h Apr Wind Speed: 19km/h May Wind Speed: 20km/h Jun Wind Speed: 20km/h Jul Wind Speed: 24km/h Aug Wind Speed: 24km/h Sep Wind Speed: 24km/h Oct Wind Speed: 20km/h Nov Wind Speed: 19km/h Dec Wind Speed: 19km/h
Wind Speed

Nissan Island Airport is moderately windy, with an average annual wind speed of 21km/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 24km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in April, with average winds dropping to 19km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 5km/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 Nissan Island Airport, which began on March 20, 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 January at around 29°C, while the coldest stretch bottoms out in August near 26°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 845mm across the season with a monthly average of 282mm. Winds are moderate at around 21km/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 829mm across the season with a monthly average of 276mm. Winds are moderate at around 21km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 27 to 29°C. Rainfall is heavy, totalling around 1014mm across the season with a monthly average of 338mm. Winds are moderate at around 19km/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 1093mm across the season with a monthly average of 364mm. Winds are moderate at around 23km/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
21 km/h
229 mm
0 cm
Feb
27 °C
29 °C
24 km/h
273 mm
0 cm
Mar Current
27 °C
29 °C
20 km/h
308 mm
0 cm
Apr
27 °C
28 °C
19 km/h
366 mm
0 cm
May
27 °C
29 °C
20 km/h
340 mm
0 cm
Jun
26 °C
28 °C
20 km/h
317 mm
0 cm
Jul
26 °C
28 °C
24 km/h
394 mm
0 cm
Aug
26 °C
28 °C
24 km/h
383 mm
0 cm
Sep
26 °C
28 °C
24 km/h
344 mm
0 cm
Oct
27 °C
28 °C
20 km/h
242 mm
0 cm
Nov
27 °C
29 °C
19 km/h
260 mm
0 cm
Dec
27 °C
29 °C
19 km/h
328 mm
0 cm
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Metric (°C, km/h)