Climate Insights for Asirim

West New Britain Province, Papua New Guinea

Hottest
November
28°C peak
Coldest
November
22°C low
Wettest
March
456mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Asirim is warm and mild. The average annual temperature is 24°C and approximately 4440mm of precipitation falls per year. Asirim receives a notable amount of rainfall throughout the year, including during its driest month. Asirim 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: 28° Average: 24° Min: 22° Feb Max: 28° Average: 24° Min: 22° Mar Max: 28° Average: 24° Min: 22° Apr Max: 28° Average: 24° Min: 22° May Max: 28° Average: 24° Min: 22° Jun Max: 27° Average: 24° Min: 22° Jul Max: 27° Average: 24° Min: 22° Aug Max: 27° Average: 24° Min: 22° Sep Max: 28° Average: 24° Min: 22° Oct Max: 28° Average: 24° Min: 22° Nov Max: 28° Average: 24° Min: 22° Dec Max: 28° Average: 24° Min: 22°
Max
Average
Min

Asirim has relatively stable temperatures year-round, staying within a 6°C range. The warmest month is November, when average highs reach 28°C and the mean temperature sits around 24°C. November is the coolest month, with minimum temperatures around 22°C and an average of 24°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: 362mm Feb Precipitation: 325mm Mar Precipitation: 456mm Apr Precipitation: 429mm May Precipitation: 409mm Jun Precipitation: 293mm Jul Precipitation: 381mm Aug Precipitation: 329mm Sep Precipitation: 359mm Oct Precipitation: 352mm Nov Precipitation: 331mm Dec Precipitation: 413mm
Precipitation

Asirim is a very wet location, receiving approximately 4440mm of precipitation annually, which averages out to around 370mm per month. The wettest month is March, averaging 456mm of rainfall. April and December also tend to see above-average precipitation. The driest month is June, with just 293mm. That's 162mm 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 10km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 5km/h Feb Wind Speed: 6km/h Mar Wind Speed: 4km/h Apr Wind Speed: 4km/h May Wind Speed: 5km/h Jun Wind Speed: 6km/h Jul Wind Speed: 7km/h Aug Wind Speed: 8km/h Sep Wind Speed: 7km/h Oct Wind Speed: 5km/h Nov Wind Speed: 4km/h Dec Wind Speed: 4km/h
Wind Speed

Asirim is relatively calm, with an average annual wind speed of 5km/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 4km/h, making it an ideal period for wind-sensitive activities. Wind speeds vary significantly across the year, with a 4km/h difference between the calmest and windiest months. This level of variation is worth factoring into travel plans. Wind tends to be stronger during winter months, driven by seasonal pressure systems. The seasonal averages break down to 7km/h in winter, 5km/h in spring, 5km/h in summer, 4km/h in autumn.

Seasons

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

87 days until Summer

It is currently spring in Asirim, which began on September 23, 2026. Asirim sits near the equator, so the traditional four-season cycle is less pronounced. Temperatures remain relatively stable year-round. The warmest period peaks in November at around 28°C, while the coldest stretch bottoms out in November near 22°C. Summer is next, beginning on December 21, 2026 (87 days from now).

Spring

Temperatures range from 22 to 28°C. Rainfall is heavy, totalling around 1042mm across the season with a monthly average of 347mm. Winds are generally light, averaging 5km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 22 to 28°C. Rainfall is heavy, totalling around 1100mm across the season with a monthly average of 367mm. Winds are generally light, averaging 5km/h. Light, breathable clothing is ideal. Perfect conditions for outdoor activities.

Autumn

Temperatures range from 22 to 28°C. Rainfall is heavy, totalling around 1294mm across the season with a monthly average of 431mm. Winds are generally light, averaging 4km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 22 to 27°C. Rainfall is heavy, totalling around 1003mm across the season with a monthly average of 334mm. Winds are generally light, averaging 7km/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 Asirim 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
22 °C
28 °C
5 km/h
362 mm
0 cm
Feb
22 °C
28 °C
6 km/h
325 mm
0 cm
Mar
22 °C
28 °C
4 km/h
456 mm
0 cm
Apr
22 °C
28 °C
4 km/h
429 mm
0 cm
May
22 °C
28 °C
5 km/h
409 mm
0 cm
Jun
22 °C
27 °C
6 km/h
293 mm
0 cm
Jul
22 °C
27 °C
7 km/h
381 mm
0 cm
Aug
22 °C
27 °C
8 km/h
329 mm
0 cm
Sep Current
22 °C
28 °C
7 km/h
359 mm
0 cm
Oct
22 °C
28 °C
5 km/h
352 mm
0 cm
Nov
22 °C
28 °C
4 km/h
331 mm
0 cm
Dec
22 °C
28 °C
4 km/h
413 mm
0 cm
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Metric (°C, km/h)