Climate Insights for Ialibu

, Southern Highlands Province, Papua New Guinea

Hottest
December
22°C peak
Coldest
August
13°C low
Wettest
April
652mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Ialibu is temperate. The average annual temperature is 16°C and approximately 5901mm of precipitation falls per year. Ialibu receives a notable amount of rainfall throughout the year, including during its driest month. Ialibu 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: 22° Average: 17° Min: 13° Feb Max: 22° Average: 17° Min: 13° Mar Max: 22° Average: 17° Min: 13° Apr Max: 22° Average: 17° Min: 14° May Max: 21° Average: 17° Min: 14° Jun Max: 21° Average: 16° Min: 13° Jul Max: 20° Average: 16° Min: 13° Aug Max: 20° Average: 16° Min: 13° Sep Max: 21° Average: 16° Min: 13° Oct Max: 21° Average: 16° Min: 13° Nov Max: 22° Average: 17° Min: 13° Dec Max: 22° Average: 17° Min: 13°
Max
Average
Min

Ialibu has relatively stable temperatures year-round, staying within a 9°C range. December is the warmest month, though highs remain moderate at 22°C with a mean of 17°C. August is the coolest month, with minimum temperatures around 13°C and an average of 16°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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 580mm Feb Precipitation: 471mm Mar Precipitation: 623mm Apr Precipitation: 652mm May Precipitation: 565mm Jun Precipitation: 347mm Jul Precipitation: 317mm Aug Precipitation: 344mm Sep Precipitation: 442mm Oct Precipitation: 575mm Nov Precipitation: 401mm Dec Precipitation: 585mm
Precipitation

Ialibu is a very wet location, receiving approximately 5901mm of precipitation annually, which averages out to around 492mm per month. The wettest month is April, averaging 652mm of rainfall. March and December also tend to see above-average precipitation. The driest month is July, with just 317mm. That's 335mm less than April, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 9km/h Mar Wind Speed: 9km/h Apr Wind Speed: 8km/h May Wind Speed: 8km/h Jun Wind Speed: 8km/h Jul Wind Speed: 9km/h Aug Wind Speed: 9km/h Sep Wind Speed: 9km/h Oct Wind Speed: 9km/h Nov Wind Speed: 9km/h Dec Wind Speed: 9km/h
Wind Speed

Ialibu is relatively calm, with an average annual wind speed of 9km/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 9km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1km/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 Ialibu, which began on March 20, 2026. Ialibu 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 22°C, while the coldest stretch bottoms out in August near 13°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 13 to 22°C. Rainfall is heavy, totalling around 1417mm across the season with a monthly average of 472mm. Winds are generally light, averaging 9km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 13 to 22°C. Rainfall is heavy, totalling around 1636mm across the season with a monthly average of 545mm. Winds are generally light, averaging 9km/h. Comfortable clothing with a light layer for cooler evenings is all you need.

Autumn

Temperatures range from 13 to 22°C. Rainfall is heavy, totalling around 1840mm across the season with a monthly average of 613mm. Winds are generally light, averaging 8km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 13 to 21°C. Rainfall is heavy, totalling around 1008mm across the season with a monthly average of 336mm. Winds are generally light, averaging 9km/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 Ialibu 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
22 °C
9 km/h
580 mm
0 cm
Feb
13 °C
22 °C
9 km/h
471 mm
0 cm
Mar Current
13 °C
22 °C
9 km/h
623 mm
0 cm
Apr
14 °C
22 °C
8 km/h
652 mm
0 cm
May
14 °C
21 °C
8 km/h
565 mm
0 cm
Jun
13 °C
21 °C
8 km/h
347 mm
0 cm
Jul
13 °C
20 °C
9 km/h
317 mm
0 cm
Aug
13 °C
20 °C
9 km/h
344 mm
0 cm
Sep
13 °C
21 °C
9 km/h
442 mm
0 cm
Oct
13 °C
21 °C
9 km/h
575 mm
0 cm
Nov
13 °C
22 °C
9 km/h
401 mm
0 cm
Dec
13 °C
22 °C
9 km/h
585 mm
0 cm
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Metric (°C, km/h)