Climate Insights for April River Airport

, East Sepik Province, Papua New Guinea

Hottest
December
29°C peak
Coldest
August
21°C low
Wettest
February
598mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in April River Airport is warm and mild. The average annual temperature is 24°C and approximately 4860mm of precipitation falls per year. April River Airport receives a notable amount of rainfall throughout the year, including during its driest month. April River 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: 24° Min: 21° Feb Max: 28° Average: 24° Min: 21° Mar Max: 28° Average: 24° Min: 21° Apr Max: 28° Average: 24° Min: 21° May Max: 28° Average: 24° Min: 21° Jun Max: 28° Average: 24° Min: 21° Jul Max: 28° Average: 23° Min: 21° Aug Max: 28° Average: 24° Min: 21° Sep Max: 28° Average: 24° Min: 21° Oct Max: 28° Average: 24° Min: 21° Nov Max: 29° Average: 24° Min: 21° Dec Max: 29° Average: 24° Min: 21°
Max
Average
Min

April River Airport has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is December, when average highs reach 29°C and the mean temperature sits around 24°C. August is the coolest month, with minimum temperatures around 21°C and an average of 24°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm 600mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 556mm Feb Precipitation: 598mm Mar Precipitation: 577mm Apr Precipitation: 482mm May Precipitation: 268mm Jun Precipitation: 249mm Jul Precipitation: 234mm Aug Precipitation: 274mm Sep Precipitation: 332mm Oct Precipitation: 378mm Nov Precipitation: 405mm Dec Precipitation: 508mm
Precipitation

April River Airport is a very wet location, receiving approximately 4860mm of precipitation annually, which averages out to around 405mm per month. The wettest month is February, averaging 598mm of rainfall. March and January also tend to see above-average precipitation. The driest month is July, with just 234mm. That's 364mm less than February, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Wind

0km/h 5km/h 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 6km/h Feb Wind Speed: 6km/h Mar Wind Speed: 6km/h Apr Wind Speed: 6km/h May Wind Speed: 6km/h Jun Wind Speed: 6km/h Jul Wind Speed: 6km/h Aug Wind Speed: 6km/h Sep Wind Speed: 6km/h Oct Wind Speed: 6km/h Nov Wind Speed: 6km/h Dec Wind Speed: 6km/h
Wind Speed

April River Airport is relatively calm, with an average annual wind speed of 6km/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 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in June, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 0km/h between the calmest and windiest months.

Seasons

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

90 days until Winter

It is currently autumn in April River Airport, which began on March 20, 2026. April River 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 December at around 29°C, while the coldest stretch bottoms out in August near 21°C. Winter is next, beginning on June 21, 2026 — 90 days from now.

Spring

Temperatures range from 21 to 29°C. Rainfall is heavy, totalling around 1114mm across the season with a monthly average of 371mm. Winds are generally light, averaging 6km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 21 to 29°C. Rainfall is heavy, totalling around 1662mm across the season with a monthly average of 554mm. Winds are generally light, averaging 6km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 21 to 28°C. Rainfall is heavy, totalling around 1326mm across the season with a monthly average of 442mm. Winds are generally light, averaging 6km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 21 to 28°C. Rainfall is heavy, totalling around 757mm across the season with a monthly average of 252mm. Winds are generally light, averaging 6km/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 April River 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
21 °C
29 °C
6 km/h
556 mm
0 cm
Feb
21 °C
28 °C
6 km/h
598 mm
0 cm
Mar Current
21 °C
28 °C
6 km/h
577 mm
0 cm
Apr
21 °C
28 °C
6 km/h
482 mm
0 cm
May
21 °C
28 °C
6 km/h
268 mm
0 cm
Jun
21 °C
28 °C
6 km/h
249 mm
0 cm
Jul
21 °C
28 °C
6 km/h
234 mm
0 cm
Aug
21 °C
28 °C
6 km/h
274 mm
0 cm
Sep
21 °C
28 °C
6 km/h
332 mm
0 cm
Oct
21 °C
28 °C
6 km/h
378 mm
0 cm
Nov
21 °C
29 °C
6 km/h
405 mm
0 cm
Dec
21 °C
29 °C
6 km/h
508 mm
0 cm
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Metric (°C, km/h)