Climate Insights for Kolonga

, Tongatapu, Tonga

Hottest
February
27°C peak
Coldest
August
22°C low
Wettest
March
337mm rain
Best to Visit
July, August, September
Mild temps & low rain

Climate Overview

The climate in Kolonga is warm and mild. The average annual temperature is 24°C and approximately 1995mm of precipitation falls per year. Kolonga receives a notable amount of rainfall throughout the year, including during its driest month. Kolonga 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: February, March, January. The coldest months are August, September, July, when temperatures can drop to 22°C.

Temperature

10° 15° 20° 25° 30° Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Jan Max: 27° Average: 26° Min: 26° Feb Max: 27° Average: 27° Min: 26° Mar Max: 27° Average: 26° Min: 26° Apr Max: 26° Average: 26° Min: 25° May Max: 25° Average: 24° Min: 24° Jun Max: 24° Average: 24° Min: 23° Jul Max: 23° Average: 23° Min: 22° Aug Max: 23° Average: 22° Min: 22° Sep Max: 23° Average: 23° Min: 22° Oct Max: 24° Average: 23° Min: 23° Nov Max: 25° Average: 24° Min: 24° Dec Max: 26° Average: 25° Min: 25°
Max
Average
Min

Kolonga has relatively stable temperatures year-round, staying within a 5°C range. The warmest month is February, when average highs reach 27°C and the mean temperature sits around 27°C. August is the coolest month, with minimum temperatures around 22°C and an average of 22°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: 265mm Feb Precipitation: 286mm Mar Precipitation: 337mm Apr Precipitation: 167mm May Precipitation: 137mm Jun Precipitation: 109mm Jul Precipitation: 80mm Aug Precipitation: 95mm Sep Precipitation: 98mm Oct Precipitation: 151mm Nov Precipitation: 108mm Dec Precipitation: 163mm
Precipitation

Kolonga is a fairly wet location, receiving approximately 1995mm of precipitation annually, which averages out to around 166mm per month. The wettest month is March, averaging 337mm of rainfall. February and January also tend to see above-average precipitation. The driest month is July, with just 80mm. That's 257mm less than March, 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: 28km/h Feb Wind Speed: 31km/h Mar Wind Speed: 28km/h Apr Wind Speed: 31km/h May Wind Speed: 31km/h Jun Wind Speed: 30km/h Jul Wind Speed: 31km/h Aug Wind Speed: 31km/h Sep Wind Speed: 30km/h Oct Wind Speed: 31km/h Nov Wind Speed: 28km/h Dec Wind Speed: 29km/h
Wind Speed

Kolonga is moderately windy, with an average annual wind speed of 30km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is May, averaging 31km/h, which can feel quite blustery and may affect outdoor activities. The calmest conditions occur in January, with average winds dropping to 28km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 3km/h between the calmest and windiest months.

Seasons

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

89 days until Winter

It is currently autumn in Kolonga, which began on March 20, 2026. Kolonga 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 February at around 27°C, while the coldest stretch bottoms out in August near 22°C. Winter is next, beginning on June 21, 2026 — 89 days from now.

Spring

Temperatures range from 22 to 25°C. Rainfall is heavy, totalling around 356mm across the season with a monthly average of 119mm. Winds are strong, averaging 30km/h. An umbrella or waterproof jacket is advisable as spring showers are frequent.

Summer

Temperatures range from 25 to 27°C. Rainfall is heavy, totalling around 714mm across the season with a monthly average of 238mm. Winds are strong, averaging 29km/h. Light, breathable clothing is ideal — perfect conditions for outdoor activities.

Autumn

Temperatures range from 24 to 27°C. Rainfall is heavy, totalling around 641mm across the season with a monthly average of 214mm. Winds are strong, averaging 30km/h. A waterproof jacket and sturdy footwear are recommended as rain becomes more frequent.

Winter

Temperatures range from 22 to 24°C. Precipitation is moderate at around 284mm for the season, averaging 95mm per month. Winds are strong, averaging 31km/h. A light jacket or sweater is usually sufficient, though cooler evenings may call for an extra layer.

Best Time to Visit

Jan 26°
Feb 27°
Mar 26°
Apr 26°
May 24°
Jun 24°
Jul 23°
Aug 22°
Sep 23°
Oct 23°
Nov 24°
Dec 25°

The best time to visit Kolonga is during July, August and September, when the weather is most comfortable for travellers. During these months, average temperatures hover around 23°C with modest rainfall averaging 91mm per month. By contrast, February can be uncomfortably hot with temperatures reaching 27°C. Despite being the best months overall, some rain is still likely — pack a waterproof layer and plan a mix of indoor and outdoor activities.

Monthly Climate Data

The table below shows monthly climate averages for Kolonga 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
26 °C
27 °C
28 km/h
265 mm
0 cm
Feb
26 °C
27 °C
31 km/h
286 mm
0 cm
Mar Current
26 °C
27 °C
28 km/h
337 mm
0 cm
Apr
25 °C
26 °C
31 km/h
167 mm
0 cm
May
24 °C
25 °C
31 km/h
137 mm
0 cm
Jun
23 °C
24 °C
30 km/h
109 mm
0 cm
Jul
22 °C
23 °C
31 km/h
80 mm
0 cm
Aug
22 °C
23 °C
31 km/h
95 mm
0 cm
Sep
22 °C
23 °C
30 km/h
98 mm
0 cm
Oct
23 °C
24 °C
31 km/h
151 mm
0 cm
Nov
24 °C
25 °C
28 km/h
108 mm
0 cm
Dec
25 °C
26 °C
29 km/h
163 mm
0 cm
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Metric (°C, km/h)