Climate Insights for Iboki

, Gulf Province, Papua New Guinea

Hottest
December
31°C peak
Coldest
August
23°C low
Wettest
March
476mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Iboki is hot. The average annual temperature is 26°C and approximately 4329mm of precipitation falls per year. Iboki receives a notable amount of rainfall throughout the year, including during its driest month. Iboki sits near the equator, so seasonal temperature differences are minimal throughout the year.

Temperature

10° 20° 30° 40° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 31° Average: 27° Min: 24° Feb Max: 31° Average: 27° Min: 24° Mar Max: 30° Average: 27° Min: 24° Apr Max: 30° Average: 26° Min: 24° May Max: 30° Average: 26° Min: 24° Jun Max: 29° Average: 26° Min: 24° Jul Max: 28° Average: 25° Min: 23° Aug Max: 28° Average: 25° Min: 23° Sep Max: 28° Average: 25° Min: 23° Oct Max: 29° Average: 26° Min: 24° Nov Max: 30° Average: 27° Min: 24° Dec Max: 31° Average: 27° Min: 24°
Max
Average
Min

Iboki has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is December, when average highs reach 31°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 23°C and an average of 25°C. Daily temperature variation is modest, with an average difference of 6°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 425mm Feb Precipitation: 284mm Mar Precipitation: 476mm Apr Precipitation: 436mm May Precipitation: 326mm Jun Precipitation: 329mm Jul Precipitation: 332mm Aug Precipitation: 375mm Sep Precipitation: 386mm Oct Precipitation: 378mm Nov Precipitation: 289mm Dec Precipitation: 292mm
Precipitation

Iboki is a very wet location, receiving approximately 4329mm of precipitation annually, which averages out to around 361mm per month. The wettest month is March, averaging 476mm of rainfall. April and January also tend to see above-average precipitation. The driest month is February, with just 284mm. That's 191mm 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: 2km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 1km/h May Wind Speed: 2km/h Jun Wind Speed: 2km/h Jul Wind Speed: 2km/h Aug Wind Speed: 2km/h Sep Wind Speed: 2km/h Oct Wind Speed: 2km/h Nov Wind Speed: 2km/h Dec Wind Speed: 2km/h
Wind Speed

Iboki is relatively calm, with an average annual wind speed of 2km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is August, averaging 2km/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. There is moderate seasonal variation in wind speed, with a 1km/h gap between the calmest and windiest months.

Seasons

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

92 days until Spring

It is currently winter in Iboki, which began on June 21, 2026. Iboki 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 31°C, while the coldest stretch bottoms out in August near 23°C. Spring is next, beginning on September 23, 2026 — 92 days from now.

Spring

Temperatures range from 23 to 30°C. Rainfall is heavy, totalling around 1053mm across the season with a monthly average of 351mm. Winds are generally light, averaging 2km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 24 to 31°C. Rainfall is heavy, totalling around 1002mm across the season with a monthly average of 334mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 24 to 30°C. Rainfall is heavy, totalling around 1238mm across the season with a monthly average of 413mm. Winds are generally light, averaging 2km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 23 to 29°C. Rainfall is heavy, totalling around 1036mm across the season with a monthly average of 345mm. Winds are generally light, averaging 2km/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 Iboki 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
24 °C
31 °C
2 km/h
425 mm
0 cm
Feb
24 °C
31 °C
2 km/h
284 mm
0 cm
Mar
24 °C
30 °C
2 km/h
476 mm
0 cm
Apr
24 °C
30 °C
1 km/h
436 mm
0 cm
May
24 °C
30 °C
2 km/h
326 mm
0 cm
Jun Current
24 °C
29 °C
2 km/h
329 mm
0 cm
Jul
23 °C
28 °C
2 km/h
332 mm
0 cm
Aug
23 °C
28 °C
2 km/h
375 mm
0 cm
Sep
23 °C
28 °C
2 km/h
386 mm
0 cm
Oct
24 °C
29 °C
2 km/h
378 mm
0 cm
Nov
24 °C
30 °C
2 km/h
289 mm
0 cm
Dec
24 °C
31 °C
2 km/h
292 mm
0 cm
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