Climate Insights for Misima Island Airport

, Milne Bay Province, Papua New Guinea

Hottest
January
28°C peak
Coldest
August
25°C low
Wettest
April
303mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Misima Island Airport is hot. The average annual temperature is 27°C and approximately 2786mm of precipitation falls per year. Misima Island Airport receives a notable amount of rainfall throughout the year, including during its driest month. Misima Island Airport is in the Southern Hemisphere. The seasons are reversed — summer runs from December to February, while winter falls between June and August. The summer months are: January, December, March. The coldest months are August, September, July, when temperatures can drop to 25°C.

Temperature

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

Misima Island Airport has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is January, when average highs reach 28°C and the mean temperature sits around 28°C. August is the coolest month, with minimum temperatures around 25°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 1°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 290mm Feb Precipitation: 276mm Mar Precipitation: 269mm Apr Precipitation: 303mm May Precipitation: 274mm Jun Precipitation: 196mm Jul Precipitation: 165mm Aug Precipitation: 184mm Sep Precipitation: 215mm Oct Precipitation: 185mm Nov Precipitation: 245mm Dec Precipitation: 184mm
Precipitation

Misima Island Airport is a very wet location, receiving approximately 2786mm of precipitation annually, which averages out to around 232mm per month. The wettest month is April, averaging 303mm of rainfall. January and February also tend to see above-average precipitation. The driest month is July, with just 165mm. That's 137mm less than April, 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 15km/h 20km/h 25km/h 30km/h 35km/h Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 24km/h Feb Wind Speed: 26km/h Mar Wind Speed: 21km/h Apr Wind Speed: 23km/h May Wind Speed: 30km/h Jun Wind Speed: 33km/h Jul Wind Speed: 35km/h Aug Wind Speed: 34km/h Sep Wind Speed: 34km/h Oct Wind Speed: 27km/h Nov Wind Speed: 24km/h Dec Wind Speed: 21km/h
Wind Speed

Misima Island Airport is moderately windy, with an average annual wind speed of 28km/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 35km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in March, with average winds dropping to 21km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 14km/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 34km/h in winter, 28km/h in spring, 23km/h in summer, 25km/h in autumn.

Seasons

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

89 days until Winter

It is currently autumn in Misima Island Airport, which began on March 20, 2026. Misima Island Airport is in the Southern Hemisphere, where the seasons are reversed — spring starts in September, summer in December, autumn in March, and winter in June. The warmest period peaks in January at around 28°C, while the coldest stretch bottoms out in August near 25°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 645mm across the season with a monthly average of 215mm. Winds are strong, averaging 28km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 27 to 28°C. Rainfall is heavy, totalling around 750mm across the season with a monthly average of 250mm. Winds are moderate at around 23km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 845mm across the season with a monthly average of 282mm. Winds are moderate at around 25km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 25 to 27°C. Rainfall is heavy, totalling around 546mm across the season with a monthly average of 182mm. Winds are strong, averaging 34km/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 Misima Island Airport 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
27 °C
28 °C
24 km/h
290 mm
0 cm
Feb
27 °C
28 °C
26 km/h
276 mm
0 cm
Mar Current
27 °C
28 °C
21 km/h
269 mm
0 cm
Apr
27 °C
28 °C
23 km/h
303 mm
0 cm
May
26 °C
28 °C
30 km/h
274 mm
0 cm
Jun
26 °C
27 °C
33 km/h
196 mm
0 cm
Jul
26 °C
27 °C
35 km/h
165 mm
0 cm
Aug
25 °C
27 °C
34 km/h
184 mm
0 cm
Sep
26 °C
27 °C
34 km/h
215 mm
0 cm
Oct
26 °C
27 °C
27 km/h
185 mm
0 cm
Nov
26 °C
28 °C
24 km/h
245 mm
0 cm
Dec
27 °C
28 °C
21 km/h
184 mm
0 cm
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Metric (°C, km/h)