Climate Insights for Niuafoʻou Airport

, Niuas, Tonga

Hottest
March
28°C peak
Coldest
August
25°C low
Wettest
February
427mm rain
Best to Visit
Varies throughout year

Climate Overview

The climate in Niuafoʻou Airport is hot. The average annual temperature is 27°C and approximately 2553mm of precipitation falls per year. Niuafoʻou Airport receives a notable amount of rainfall throughout the year, including during its driest month. Niuafoʻou 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: March, January, February. 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: 27° Min: 27° Feb Max: 28° Average: 27° Min: 27° Mar Max: 28° Average: 27° 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: 25° Oct Max: 27° Average: 26° Min: 26° Nov Max: 27° Average: 27° Min: 26° Dec Max: 28° Average: 27° Min: 26°
Max
Average
Min

Niuafoʻou Airport has relatively stable temperatures year-round, staying within a 3°C range. The warmest month is March, when average highs reach 28°C and the mean temperature sits around 27°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 400mm 450mm Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Precipitation: 326mm Feb Precipitation: 427mm Mar Precipitation: 294mm Apr Precipitation: 240mm May Precipitation: 185mm Jun Precipitation: 134mm Jul Precipitation: 105mm Aug Precipitation: 90mm Sep Precipitation: 106mm Oct Precipitation: 179mm Nov Precipitation: 189mm Dec Precipitation: 278mm
Precipitation

Niuafoʻou Airport is a very wet location, receiving approximately 2553mm of precipitation annually, which averages out to around 213mm per month. The wettest month is February, averaging 427mm of rainfall. January and March also tend to see above-average precipitation. The driest month is August, with just 90mm. That's 337mm less than February, 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 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: 25km/h Feb Wind Speed: 28km/h Mar Wind Speed: 23km/h Apr Wind Speed: 27km/h May Wind Speed: 29km/h Jun Wind Speed: 32km/h Jul Wind Speed: 33km/h Aug Wind Speed: 32km/h Sep Wind Speed: 31km/h Oct Wind Speed: 31km/h Nov Wind Speed: 27km/h Dec Wind Speed: 26km/h
Wind Speed

Niuafoʻou Airport is moderately windy, with an average annual wind speed of 29km/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 33km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in March, with average winds dropping to 23km/h, making it an ideal period for wind-sensitive activities. There is moderate seasonal variation in wind speed, with a 10km/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 32km/h in winter, 30km/h in spring, 26km/h in summer, 26km/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 Niuafoʻou Airport, which began on March 20, 2026. Niuafoʻou 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 March 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 25 to 27°C. Rainfall is heavy, totalling around 474mm across the season with a monthly average of 158mm. Winds are strong, averaging 30km/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 1031mm across the season with a monthly average of 344mm. Winds are strong, averaging 26km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 26 to 28°C. Rainfall is heavy, totalling around 719mm across the season with a monthly average of 240mm. Winds are strong, averaging 26km/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 329mm across the season with a monthly average of 110mm. Winds are strong, averaging 32km/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 Niuafoʻou 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
25 km/h
326 mm
0 cm
Feb
27 °C
28 °C
28 km/h
427 mm
0 cm
Mar Current
27 °C
28 °C
23 km/h
294 mm
0 cm
Apr
27 °C
28 °C
27 km/h
240 mm
0 cm
May
26 °C
28 °C
29 km/h
185 mm
0 cm
Jun
26 °C
27 °C
32 km/h
134 mm
0 cm
Jul
26 °C
27 °C
33 km/h
105 mm
0 cm
Aug
25 °C
27 °C
32 km/h
90 mm
0 cm
Sep
25 °C
27 °C
31 km/h
106 mm
0 cm
Oct
26 °C
27 °C
31 km/h
179 mm
0 cm
Nov
26 °C
27 °C
27 km/h
189 mm
0 cm
Dec
26 °C
28 °C
26 km/h
278 mm
0 cm
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Metric (°C, km/h)