Climate Insights for Marau Airport

, Guadalcanal Province, Solomon Islands

Hottest
January
28°C peak
Coldest
August
26°C low
Wettest
August
437mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Marau Airport is hot. The average annual temperature is 27°C and approximately 4213mm of precipitation falls per year. Marau Airport receives a notable amount of rainfall throughout the year, including during its driest month. Marau Airport 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: 28° Min: 27° Feb Max: 28° Average: 27° Min: 27° Mar Max: 28° Average: 27° Min: 27° Apr Max: 28° Average: 27° Min: 26° May Max: 28° Average: 27° Min: 26° Jun Max: 28° Average: 27° Min: 26° Jul Max: 27° Average: 27° Min: 26° Aug Max: 27° Average: 26° Min: 26° Sep Max: 27° Average: 26° Min: 26° Oct Max: 28° Average: 27° Min: 26° Nov Max: 28° Average: 27° Min: 26° Dec Max: 28° Average: 27° Min: 26°
Max
Average
Min

Marau Airport has relatively stable temperatures year-round, staying within a 2°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 26°C and an average of 26°C. Daily temperature variation is modest, with an average difference of 2°C between highs and lows.

Precipitation

0mm 50mm 100mm 150mm 200mm 250mm 300mm 350mm 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 375mm Feb Precipitation: 351mm Mar Precipitation: 330mm Apr Precipitation: 285mm May Precipitation: 353mm Jun Precipitation: 344mm Jul Precipitation: 378mm Aug Precipitation: 437mm Sep Precipitation: 332mm Oct Precipitation: 295mm Nov Precipitation: 353mm Dec Precipitation: 380mm
Precipitation

Marau Airport is a very wet location, receiving approximately 4213mm of precipitation annually, which averages out to around 351mm per month. The wettest month is August, averaging 437mm of rainfall. December and July also tend to see above-average precipitation. The driest month is April, with just 285mm. That's 152mm less than August, 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 Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Wind Speed: 20km/h Feb Wind Speed: 23km/h Mar Wind Speed: 18km/h Apr Wind Speed: 19km/h May Wind Speed: 22km/h Jun Wind Speed: 24km/h Jul Wind Speed: 27km/h Aug Wind Speed: 26km/h Sep Wind Speed: 25km/h Oct Wind Speed: 21km/h Nov Wind Speed: 20km/h Dec Wind Speed: 18km/h
Wind Speed

Marau Airport is moderately windy, with an average annual wind speed of 22km/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 27km/h, noticeable enough to affect lighter outdoor activities. The calmest conditions occur in March, with average winds dropping to 18km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 9km/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 26km/h in winter, 22km/h in spring, 20km/h in summer, 19km/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 Marau Airport, which began on March 20, 2026. Marau Airport 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 28°C, while the coldest stretch bottoms out in August near 26°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 980mm across the season with a monthly average of 327mm. Winds are moderate at around 22km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1106mm across the season with a monthly average of 369mm. Winds are moderate at around 20km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 968mm across the season with a monthly average of 323mm. Winds are moderate at around 19km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 1159mm across the season with a monthly average of 386mm. Winds are strong, averaging 26km/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 Marau 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
20 km/h
375 mm
0 cm
Feb
27 °C
28 °C
23 km/h
351 mm
0 cm
Mar Current
27 °C
28 °C
18 km/h
330 mm
0 cm
Apr
26 °C
28 °C
19 km/h
285 mm
0 cm
May
26 °C
28 °C
22 km/h
353 mm
0 cm
Jun
26 °C
28 °C
24 km/h
344 mm
0 cm
Jul
26 °C
27 °C
27 km/h
378 mm
0 cm
Aug
26 °C
27 °C
26 km/h
437 mm
0 cm
Sep
26 °C
27 °C
25 km/h
332 mm
0 cm
Oct
26 °C
28 °C
21 km/h
295 mm
0 cm
Nov
26 °C
28 °C
20 km/h
353 mm
0 cm
Dec
26 °C
28 °C
18 km/h
380 mm
0 cm
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Metric (°C, km/h)