Climate Insights for Oksapmin

, Western Province, Papua New Guinea

Hottest
February
28°C peak
Coldest
August
20°C low
Wettest
May
1126mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Oksapmin is warm and mild. The average annual temperature is 23°C and approximately 9302mm of precipitation falls per year. Oksapmin receives a notable amount of rainfall throughout the year, including during its driest month. Oksapmin 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: 28° Average: 24° Min: 21° Feb Max: 28° Average: 24° Min: 21° Mar Max: 28° Average: 24° Min: 21° Apr Max: 27° Average: 24° Min: 21° May Max: 27° Average: 23° Min: 21° Jun Max: 26° Average: 23° Min: 20° Jul Max: 25° Average: 22° Min: 20° Aug Max: 26° Average: 22° Min: 20° Sep Max: 26° Average: 23° Min: 20° Oct Max: 27° Average: 23° Min: 20° Nov Max: 28° Average: 24° Min: 21° Dec Max: 28° Average: 24° Min: 21°
Max
Average
Min

Oksapmin has relatively stable temperatures year-round, staying within a 8°C range. The warmest month is February, when average highs reach 28°C and the mean temperature sits around 24°C. August is the coolest month, with minimum temperatures around 20°C and an average of 22°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm 500mm 550mm 600mm 650mm 700mm 750mm 800mm 850mm 900mm 950mm 1000mm 1050mm 1100mm 1150mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 678mm Feb Precipitation: 428mm Mar Precipitation: 717mm Apr Precipitation: 920mm May Precipitation: 1126mm Jun Precipitation: 819mm Jul Precipitation: 827mm Aug Precipitation: 683mm Sep Precipitation: 862mm Oct Precipitation: 923mm Nov Precipitation: 729mm Dec Precipitation: 592mm
Precipitation

Oksapmin is a very wet location, receiving approximately 9302mm of precipitation annually, which averages out to around 775mm per month. The wettest month is May, averaging 1126mm of rainfall. October and April also tend to see above-average precipitation. The driest month is February, with just 428mm. That's 698mm less than May, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 7km/h Feb Wind Speed: 7km/h Mar Wind Speed: 7km/h Apr Wind Speed: 6km/h May Wind Speed: 7km/h Jun Wind Speed: 7km/h Jul Wind Speed: 8km/h Aug Wind Speed: 8km/h Sep Wind Speed: 8km/h Oct Wind Speed: 7km/h Nov Wind Speed: 7km/h Dec Wind Speed: 7km/h
Wind Speed

Oksapmin is relatively calm, with an average annual wind speed of 7km/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 8km/h, though still comfortable for most outdoor activities. The calmest conditions occur in April, with average winds dropping to 6km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/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 Oksapmin, which began on March 20, 2026. Oksapmin sits near the equator, so the traditional four-season cycle is less pronounced — temperatures remain relatively stable year-round. The warmest period peaks in February at around 28°C, while the coldest stretch bottoms out in August near 20°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 20 to 28°C. Rainfall is heavy, totalling around 2513mm across the season with a monthly average of 838mm. Winds are generally light, averaging 7km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 21 to 28°C. Rainfall is heavy, totalling around 1697mm across the season with a monthly average of 566mm. Winds are generally light, averaging 7km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 21 to 28°C. Rainfall is heavy, totalling around 2763mm across the season with a monthly average of 921mm. Winds are generally light, averaging 7km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 20 to 26°C. Rainfall is heavy, totalling around 2329mm across the season with a monthly average of 776mm. Winds are generally light, averaging 8km/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 Oksapmin 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
21 °C
28 °C
7 km/h
678 mm
0 cm
Feb
21 °C
28 °C
7 km/h
428 mm
0 cm
Mar Current
21 °C
28 °C
7 km/h
717 mm
0 cm
Apr
21 °C
27 °C
6 km/h
920 mm
0 cm
May
21 °C
27 °C
7 km/h
1126 mm
0 cm
Jun
20 °C
26 °C
7 km/h
819 mm
0 cm
Jul
20 °C
25 °C
8 km/h
827 mm
0 cm
Aug
20 °C
26 °C
8 km/h
683 mm
0 cm
Sep
20 °C
26 °C
8 km/h
862 mm
0 cm
Oct
20 °C
27 °C
7 km/h
923 mm
0 cm
Nov
21 °C
28 °C
7 km/h
729 mm
0 cm
Dec
21 °C
28 °C
7 km/h
592 mm
0 cm
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Metric (°C, km/h)