Climate Insights for April River Airport

, East Sepik Province, Papua New Guinea

Hottest
December
28°C peak
Coldest
July
20°C low
Wettest
March
582mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in April River Airport is warm and mild. The average annual temperature is 23°C and approximately 5105mm 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: 28° Average: 24° Min: 21° Feb Max: 28° Average: 23° Min: 21° Mar Max: 27° Average: 23° Min: 21° Apr Max: 27° Average: 23° Min: 21° May Max: 28° Average: 23° Min: 20° Jun Max: 27° Average: 23° Min: 20° Jul Max: 27° Average: 23° Min: 20° Aug Max: 27° Average: 23° Min: 20° Sep Max: 27° Average: 23° Min: 20° Oct Max: 27° Average: 23° Min: 20° Nov Max: 28° Average: 23° Min: 20° Dec Max: 28° 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 28°C and the mean temperature sits around 24°C. July is the coolest month, with minimum temperatures around 20°C and an average of 23°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: 505mm Feb Precipitation: 573mm Mar Precipitation: 582mm Apr Precipitation: 496mm May Precipitation: 294mm Jun Precipitation: 317mm Jul Precipitation: 280mm Aug Precipitation: 344mm Sep Precipitation: 386mm Oct Precipitation: 444mm Nov Precipitation: 445mm Dec Precipitation: 440mm
Precipitation

April River Airport is a very wet location, receiving approximately 5105mm of precipitation annually, which averages out to around 425mm per month. The wettest month is March, averaging 582mm of rainfall. February and January also tend to see above-average precipitation. The driest month is July, with just 280mm. That's 302mm less than March, 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: 1km/h Feb Wind Speed: 1km/h Mar Wind Speed: 1km/h Apr Wind Speed: 1km/h May Wind Speed: 1km/h Jun Wind Speed: 1km/h Jul Wind Speed: 1km/h Aug Wind Speed: 1km/h Sep Wind Speed: 1km/h Oct Wind Speed: 1km/h Nov Wind Speed: 1km/h Dec Wind Speed: 1km/h
Wind Speed

April River Airport is relatively calm, with an average annual wind speed of 1km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is January, averaging 1km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 1km/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

93 days until Spring

It is currently winter in April River Airport, which began on June 21, 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 28°C, while the coldest stretch bottoms out in July near 20°C. Spring is next, beginning on September 23, 2026 — 93 days from now.

Spring

Temperatures range from 20 to 28°C. Rainfall is heavy, totalling around 1275mm across the season with a monthly average of 425mm. Winds are generally light, averaging 1km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 21 to 28°C. Rainfall is heavy, totalling around 1517mm across the season with a monthly average of 506mm. Winds are generally light, averaging 1km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 20 to 28°C. Rainfall is heavy, totalling around 1373mm across the season with a monthly average of 458mm. Winds are generally light, averaging 1km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 20 to 27°C. Rainfall is heavy, totalling around 940mm across the season with a monthly average of 313mm. Winds are generally light, averaging 1km/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
28 °C
1 km/h
505 mm
0 cm
Feb
21 °C
28 °C
1 km/h
573 mm
0 cm
Mar
21 °C
27 °C
1 km/h
582 mm
0 cm
Apr
21 °C
27 °C
1 km/h
496 mm
0 cm
May
20 °C
28 °C
1 km/h
294 mm
0 cm
Jun Current
20 °C
27 °C
1 km/h
317 mm
0 cm
Jul
20 °C
27 °C
1 km/h
280 mm
0 cm
Aug
20 °C
27 °C
1 km/h
344 mm
0 cm
Sep
20 °C
27 °C
1 km/h
386 mm
0 cm
Oct
20 °C
27 °C
1 km/h
444 mm
0 cm
Nov
20 °C
28 °C
1 km/h
445 mm
0 cm
Dec
21 °C
28 °C
1 km/h
440 mm
0 cm
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