Climate Insights for Iboki

Gulf Province, Papua New Guinea

Hottest
January
30°C peak
Coldest
August
24°C low
Wettest
March
356mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Iboki is hot. The average annual temperature is 27°C and approximately 2429mm 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

0° 5° 10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 30° Average: 28° Min: 26° Feb Max: 30° Average: 28° Min: 26° Mar Max: 29° Average: 27° Min: 26° Apr Max: 29° Average: 27° Min: 26° May Max: 29° Average: 27° Min: 26° Jun Max: 28° Average: 26° Min: 25° Jul Max: 28° Average: 26° Min: 25° Aug Max: 27° Average: 26° Min: 24° Sep Max: 28° Average: 26° Min: 25° Oct Max: 29° Average: 27° Min: 25° Nov Max: 29° Average: 27° Min: 26° Dec Max: 30° Average: 28° Min: 26°
Max
Average
Min

Iboki has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is January, when average highs reach 30°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 24°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 3°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 320mm Feb Precipitation: 280mm Mar Precipitation: 356mm Apr Precipitation: 275mm May Precipitation: 193mm Jun Precipitation: 132mm Jul Precipitation: 114mm Aug Precipitation: 107mm Sep Precipitation: 117mm Oct Precipitation: 148mm Nov Precipitation: 154mm Dec Precipitation: 233mm
Precipitation

Iboki is a very wet location, receiving approximately 2429mm of precipitation annually, which averages out to around 202mm per month. The wettest month is March, averaging 356mm of rainfall. January and February also tend to see above-average precipitation. The driest month is August, with just 107mm. That's 249mm less than March, the wettest month. Precipitation varies noticeably between seasons, with the first half (January to June) of the year generally seeing more rainfall.

Wind

0km/h 5km/h 10km/h 15km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 9km/h Feb Wind Speed: 10km/h Mar Wind Speed: 9km/h Apr Wind Speed: 8km/h May Wind Speed: 9km/h Jun Wind Speed: 11km/h Jul Wind Speed: 12km/h Aug Wind Speed: 14km/h Sep Wind Speed: 13km/h Oct Wind Speed: 10km/h Nov Wind Speed: 9km/h Dec Wind Speed: 8km/h
Wind Speed

Iboki is relatively calm, with an average annual wind speed of 10km/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 14km/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. There is moderate seasonal variation in wind speed, with a 6km/h gap between the calmest and windiest months. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 12km/h in winter, 11km/h in spring, 9km/h in summer, 9km/h in autumn.

Seasons

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

86 days until Summer

It is currently spring in Iboki, which began on September 23, 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 January at around 30°C, while the coldest stretch bottoms out in August near 24°C. Summer is next, beginning on December 21, 2026 (86 days from now).

Spring

Temperatures range from 25 to 29°C. Rainfall is heavy, totalling around 419mm across the season with a monthly average of 140mm. Winds are generally light, averaging 11km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 26 to 30°C. Rainfall is heavy, totalling around 833mm across the season with a monthly average of 278mm. Winds are generally light, averaging 9km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 29°C. Rainfall is heavy, totalling around 824mm across the season with a monthly average of 275mm. Winds are generally light, averaging 9km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 24 to 28°C. Rainfall is heavy, totalling around 353mm across the season with a monthly average of 118mm. Winds are generally light, averaging 12km/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
26 °C
30 °C
9 km/h
320 mm
0 cm
Feb
26 °C
30 °C
10 km/h
280 mm
0 cm
Mar
26 °C
29 °C
9 km/h
356 mm
0 cm
Apr
26 °C
29 °C
8 km/h
275 mm
0 cm
May
26 °C
29 °C
9 km/h
193 mm
0 cm
Jun
25 °C
28 °C
11 km/h
132 mm
0 cm
Jul
25 °C
28 °C
12 km/h
114 mm
0 cm
Aug
24 °C
27 °C
14 km/h
107 mm
0 cm
Sep Current
25 °C
28 °C
13 km/h
117 mm
0 cm
Oct
25 °C
29 °C
10 km/h
148 mm
0 cm
Nov
26 °C
29 °C
9 km/h
154 mm
0 cm
Dec
26 °C
30 °C
8 km/h
233 mm
0 cm
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Metric (°C, km/h)