Climate Insights for Gusap Airport

Morobe Province, Papua New Guinea

Hottest
December
27°C peak
Coldest
August
16°C low
Wettest
March
297mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Gusap Airport is warm and mild. The average annual temperature is 20°C and approximately 2636mm of precipitation falls per year. Gusap Airport receives a notable amount of rainfall throughout the year, including during its driest month. Gusap Airport sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

0° 5° 10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 27° Average: 21° Min: 18° Feb Max: 26° Average: 21° Min: 18° Mar Max: 26° Average: 21° Min: 18° Apr Max: 26° Average: 21° Min: 17° May Max: 25° Average: 21° Min: 17° Jun Max: 24° Average: 20° Min: 16° Jul Max: 24° Average: 19° Min: 16° Aug Max: 24° Average: 20° Min: 16° Sep Max: 25° Average: 20° Min: 16° Oct Max: 26° Average: 21° Min: 17° Nov Max: 26° Average: 21° Min: 17° Dec Max: 27° Average: 21° Min: 17°
Max
Average
Min

Gusap Airport sees moderate temperature variation throughout the year, ranging from 16°C to 27°C. The warmest month is December, when average highs reach 27°C and the mean temperature sits around 21°C. August is the coolest month, with minimum temperatures around 16°C and an average of 20°C. On average, daily temperatures fluctuate by about 9°C between overnight lows and afternoon highs.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 278mm Feb Precipitation: 291mm Mar Precipitation: 297mm Apr Precipitation: 257mm May Precipitation: 196mm Jun Precipitation: 154mm Jul Precipitation: 173mm Aug Precipitation: 151mm Sep Precipitation: 184mm Oct Precipitation: 185mm Nov Precipitation: 207mm Dec Precipitation: 264mm
Precipitation

Gusap Airport is a very wet location, receiving approximately 2636mm of precipitation annually, which averages out to around 220mm per month. The wettest month is March, averaging 297mm of rainfall. February and January also tend to see above-average precipitation. The driest month is August, with just 151mm. That's 146mm 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: 3km/h Feb Wind Speed: 3km/h Mar Wind Speed: 3km/h Apr Wind Speed: 3km/h May Wind Speed: 3km/h Jun Wind Speed: 4km/h Jul Wind Speed: 5km/h Aug Wind Speed: 5km/h Sep Wind Speed: 4km/h Oct Wind Speed: 3km/h Nov Wind Speed: 3km/h Dec Wind Speed: 3km/h
Wind Speed

Gusap 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 July, averaging 5km/h, though still comfortable for most outdoor activities. The calmest conditions occur in March, 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

87 days until Summer

It is currently spring in Gusap Airport, which began on September 23, 2026. Gusap 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 27°C, while the coldest stretch bottoms out in August near 16°C. Summer is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 16 to 26°C. Rainfall is heavy, totalling around 576mm across the season with a monthly average of 192mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 17 to 27°C. Rainfall is heavy, totalling around 833mm across the season with a monthly average of 278mm. Winds are generally light, averaging 3km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 17 to 26°C. Rainfall is heavy, totalling around 749mm across the season with a monthly average of 250mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 16 to 24°C. Rainfall is heavy, totalling around 478mm across the season with a monthly average of 159mm. 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 Gusap 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
18 °C
27 °C
3 km/h
278 mm
0 cm
Feb
18 °C
26 °C
3 km/h
291 mm
0 cm
Mar
18 °C
26 °C
3 km/h
297 mm
0 cm
Apr
17 °C
26 °C
3 km/h
257 mm
0 cm
May
17 °C
25 °C
3 km/h
196 mm
0 cm
Jun
16 °C
24 °C
4 km/h
154 mm
0 cm
Jul
16 °C
24 °C
5 km/h
173 mm
0 cm
Aug
16 °C
24 °C
5 km/h
151 mm
0 cm
Sep Current
16 °C
25 °C
4 km/h
184 mm
0 cm
Oct
17 °C
26 °C
3 km/h
185 mm
0 cm
Nov
17 °C
26 °C
3 km/h
207 mm
0 cm
Dec
17 °C
27 °C
3 km/h
264 mm
0 cm
Airpult

Get accurate weather forecasts worldwide with real-time updates and severe weather alerts. Covering 6M+ locations with precise, reliable weather data.

© 2026 Samuenti GmbH. All rights reserved.

gb English
Metric (°C, km/h)