Climate Insights for Wapolu

, Milne Bay Province, Papua New Guinea

Hottest
February
28°C peak
Coldest
August
24°C low
Wettest
March
580mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Wapolu is hot. The average annual temperature is 26°C and approximately 4181mm of precipitation falls per year. Wapolu receives a notable amount of rainfall throughout the year, including during its driest month. Wapolu 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: 27° Min: 25° Feb Max: 28° Average: 27° Min: 25° Mar Max: 28° Average: 26° Min: 25° Apr Max: 28° Average: 26° Min: 25° May Max: 27° Average: 26° Min: 25° Jun Max: 26° Average: 25° Min: 24° Jul Max: 26° Average: 25° Min: 24° Aug Max: 26° Average: 25° Min: 24° Sep Max: 26° Average: 25° Min: 24° Oct Max: 27° Average: 26° Min: 25° Nov Max: 28° Average: 26° Min: 25° Dec Max: 28° Average: 27° Min: 25°
Max
Average
Min

Wapolu has relatively stable temperatures year-round, staying within a 4°C range. The warmest month is February, when average highs reach 28°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 24°C and an average of 25°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 450mm 500mm 550mm 600mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 374mm Feb Precipitation: 359mm Mar Precipitation: 580mm Apr Precipitation: 382mm May Precipitation: 290mm Jun Precipitation: 298mm Jul Precipitation: 294mm Aug Precipitation: 248mm Sep Precipitation: 442mm Oct Precipitation: 274mm Nov Precipitation: 298mm Dec Precipitation: 343mm
Precipitation

Wapolu is a very wet location, receiving approximately 4181mm of precipitation annually, which averages out to around 348mm per month. The wettest month is March, averaging 580mm of rainfall. September and April also tend to see above-average precipitation. The driest month is August, with just 248mm. That's 332mm 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: 2km/h Feb Wind Speed: 2km/h Mar Wind Speed: 2km/h Apr Wind Speed: 3km/h May Wind Speed: 4km/h Jun Wind Speed: 6km/h Jul Wind Speed: 6km/h Aug Wind Speed: 5km/h Sep Wind Speed: 5km/h Oct Wind Speed: 4km/h Nov Wind Speed: 3km/h Dec Wind Speed: 2km/h
Wind Speed

Wapolu is relatively calm, with an average annual wind speed of 4km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is July, averaging 6km/h, though still comfortable for most outdoor activities. The calmest conditions occur in January, with average winds dropping to 2km/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 6km/h in winter, 4km/h in spring, 2km/h in summer, 3km/h in autumn.

Seasons

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

91 days until Spring

It is currently winter in Wapolu, which began on June 21, 2026. Wapolu 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 24°C. Spring is next, beginning on September 23, 2026 — 91 days from now.

Spring

Temperatures range from 24 to 28°C. Rainfall is heavy, totalling around 1014mm across the season with a monthly average of 338mm. Winds are generally light, averaging 4km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 1076mm across the season with a monthly average of 359mm. Winds are generally light, averaging 2km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 25 to 28°C. Rainfall is heavy, totalling around 1252mm across the season with a monthly average of 417mm. Winds are generally light, averaging 3km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 24 to 26°C. Rainfall is heavy, totalling around 840mm across the season with a monthly average of 280mm. Winds are generally light, averaging 6km/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 Wapolu 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
25 °C
28 °C
2 km/h
374 mm
0 cm
Feb
25 °C
28 °C
2 km/h
359 mm
0 cm
Mar
25 °C
28 °C
2 km/h
580 mm
0 cm
Apr
25 °C
28 °C
3 km/h
382 mm
0 cm
May
25 °C
27 °C
4 km/h
290 mm
0 cm
Jun Current
24 °C
26 °C
6 km/h
298 mm
0 cm
Jul
24 °C
26 °C
6 km/h
294 mm
0 cm
Aug
24 °C
26 °C
5 km/h
248 mm
0 cm
Sep
24 °C
26 °C
5 km/h
442 mm
0 cm
Oct
25 °C
27 °C
4 km/h
274 mm
0 cm
Nov
25 °C
28 °C
3 km/h
298 mm
0 cm
Dec
25 °C
28 °C
2 km/h
343 mm
0 cm
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