Climate Insights for Minj Airport

, Western Highlands Province, Papua New Guinea

Hottest
December
21°C peak
Coldest
August
11°C low
Wettest
March
701mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Minj Airport is temperate. The average annual temperature is 16°C and approximately 6233mm of precipitation falls per year. Minj Airport receives a notable amount of rainfall throughout the year, including during its driest month. Minj 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: 21° Average: 16° Min: 13° Feb Max: 21° Average: 16° Min: 13° Mar Max: 21° Average: 16° Min: 13° Apr Max: 21° Average: 16° Min: 13° May Max: 21° Average: 16° Min: 12° Jun Max: 20° Average: 15° Min: 12° Jul Max: 19° Average: 15° Min: 12° Aug Max: 20° Average: 15° Min: 11° Sep Max: 20° Average: 15° Min: 12° Oct Max: 21° Average: 15° Min: 12° Nov Max: 21° Average: 16° Min: 12° Dec Max: 21° Average: 16° Min: 13°
Max
Average
Min

Minj Airport has relatively stable temperatures year-round, staying within a 10°C range. December is the warmest month, though highs remain moderate at 21°C with a mean of 16°C. August is the coolest month, with minimum temperatures around 11°C and an average of 15°C. Daily temperature variation is modest, with an average difference of 8°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm 600mm 650mm 700mm 750mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 642mm Feb Precipitation: 582mm Mar Precipitation: 701mm Apr Precipitation: 560mm May Precipitation: 492mm Jun Precipitation: 349mm Jul Precipitation: 331mm Aug Precipitation: 375mm Sep Precipitation: 481mm Oct Precipitation: 560mm Nov Precipitation: 537mm Dec Precipitation: 621mm
Precipitation

Minj Airport is a very wet location, receiving approximately 6233mm of precipitation annually, which averages out to around 519mm per month. The wettest month is March, averaging 701mm of rainfall. January and December also tend to see above-average precipitation. The driest month is July, with just 331mm. That's 370mm 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: 5km/h Feb Wind Speed: 5km/h Mar Wind Speed: 5km/h Apr Wind Speed: 5km/h May Wind Speed: 5km/h Jun Wind Speed: 5km/h Jul Wind Speed: 5km/h Aug Wind Speed: 5km/h Sep Wind Speed: 5km/h Oct Wind Speed: 5km/h Nov Wind Speed: 5km/h Dec Wind Speed: 5km/h
Wind Speed

Minj Airport is relatively calm, with an average annual wind speed of 5km/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 June, with average winds dropping to 5km/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

89 days until Winter

It is currently autumn in Minj Airport, which began on March 20, 2026. Minj 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 21°C, while the coldest stretch bottoms out in August near 11°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 12 to 21°C. Rainfall is heavy, totalling around 1579mm across the season with a monthly average of 526mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 13 to 21°C. Rainfall is heavy, totalling around 1845mm across the season with a monthly average of 615mm. Winds are generally light, averaging 5km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 12 to 21°C. Rainfall is heavy, totalling around 1753mm across the season with a monthly average of 584mm. Winds are generally light, averaging 5km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 11 to 20°C. Rainfall is heavy, totalling around 1056mm across the season with a monthly average of 352mm. Winds are generally light, averaging 5km/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 Minj 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
13 °C
21 °C
5 km/h
642 mm
0 cm
Feb
13 °C
21 °C
5 km/h
582 mm
0 cm
Mar Current
13 °C
21 °C
5 km/h
701 mm
0 cm
Apr
13 °C
21 °C
5 km/h
560 mm
0 cm
May
12 °C
21 °C
5 km/h
492 mm
0 cm
Jun
12 °C
20 °C
5 km/h
349 mm
0 cm
Jul
12 °C
19 °C
5 km/h
331 mm
0 cm
Aug
11 °C
20 °C
5 km/h
375 mm
0 cm
Sep
12 °C
20 °C
5 km/h
481 mm
0 cm
Oct
12 °C
21 °C
5 km/h
560 mm
0 cm
Nov
12 °C
21 °C
5 km/h
537 mm
0 cm
Dec
13 °C
21 °C
5 km/h
621 mm
0 cm
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Metric (°C, km/h)