Tongatapu Island Weather in August

Average temperatures, rainfall, sunshine and the best places to visit in Tongatapu Island, Tonga in August.

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Nuku‘alofa Kanokupolu Ha‘avakatolo

Thinking about venturing to Tongatapu Island, Tonga this August and curious about the weather conditions to expect? This page holds all the key information you seek, responding to your question:

What to Expect in Tongatapu Island in August

Tongatapu Island, Tonga is a region in Tonga. August in Tongatapu Island generally has warm temperatures, with high precipitation.

Temperatures

You can expect warm maximum daytime temperatures of around 24°C (75°F) and nighttime temperatures around 22°C (72°F) in Nuku‘alofa. During this period, Nuku‘alofa experiences its coolest temperatures annually.

To learn more about the conditions in specific areas of Tongatapu Island, Tonga, check out the map below.

Precipitation

August is a rainy month with an average rainfall of around 118 mm (4.6 in) in Nuku‘alofa.

Explore Tongatapu Island by month

Pick a month to see the average temperature, rainfall and sunshine in Tongatapu Island — and find the best time to visit. (based on Nuku‘alofa)

January28°C (82°F) February28°C (82°F) March28°C (82°F) April28°C (82°F) May26°C (79°F) June25°C (77°F) This monthJuly24°C (75°F) August24°C (75°F) September24°C (75°F) October25°C (77°F) November26°C (79°F) December27°C (81°F)
Best Time to Visit Tongatapu Island →

Best Places to Visit in Tongatapu Island in August

Click on a destination dot for more details. Toggle the map to compare temperatures or precipitation across Tongatapu Island.

Conditions Temperatures Precipitation
perfect weather
pleasant
tolerable
unpleasant
poor

Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

Popular Destinations in Tongatapu Island

What is the weather like in August for some of the most popular destinations in Tongatapu Island, Tonga?

Temperature range in Tongatapu Island (August)

Precipitation variation in Tongatapu Island (August)

Nuku‘alofa

In August Nuku‘alofa generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 22°C (72°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Min temperature
22°C (72°F)
22°C (72°F)
22°C (72°F)
Monthly rainfall
104 mm (4.1 in)
118 mm (4.6 in)
115 mm (4.5 in)
Monthly rainy days
17 days
18 days
15 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Nuku‘alofa →

Kanokupolu

In August Kanokupolu generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 22°C (72°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Min temperature
22°C (72°F)
22°C (72°F)
22°C (72°F)
Monthly rainfall
102 mm (4 in)
119 mm (4.7 in)
115 mm (4.5 in)
Monthly rainy days
17 days
18 days
15 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Kanokupolu →

Ha‘avakatolo

In August Ha‘avakatolo generally has high temperatures with maximum daytime temperatures around 24°C (75°F), minimum nighttime temperatures around 22°C (72°F) and high monthly rainfall. So on average the conditions are pleasant that month.

« July
August
September »
July
August
September
Max temperature
24°C (75°F)
24°C (75°F)
24°C (75°F)
Min temperature
22°C (72°F)
22°C (72°F)
22°C (72°F)
Monthly rainfall
102 mm (4 in)
119 mm (4.7 in)
115 mm (4.5 in)
Monthly rainy days
17 days
18 days
15 days
Weather conditions
pleasant
pleasant
pleasant
Climate in Ha‘avakatolo →

Is your destination not in the list? Have a look at all destinations in Tongatapu Island, in Tonga.

In our records: Tonga August extremes

Notable August records observed across cities in Tonga in our climate database (1976 – 2026). Historic readings can vary in quality, so treat these as illustrative.

  • Based on our data, the coldest August night in Tonga dropped to 11°C (52°F) in Utungake on August 6, 2005.
  • In our records, the coldest August daytime high in Tonga was 14°C (57°F) in Utungake on August 28, 2003.

Popular cities in August

Day & night temperatures, rainfall and average weather in Tongatapu Island in August.

City Weather Day temp Night temp Rainfall
Nuku‘alofa 24°C (75°F) 22°C (72°F) 118 mm (4.6 in)
Kanokupolu 24°C (75°F) 22°C (72°F) 119 mm (4.7 in)
Ha‘avakatolo 24°C (75°F) 22°C (72°F) 119 mm (4.7 in)

Tongatapu Island weather in August: frequently asked questions

What is the weather like in Tongatapu Island, Tonga in August?

In August, Tongatapu Island, Tonga generally has pleasant weather conditions. Nuku‘alofa sees daytime temperatures near 24°C (75°F), with nights cooling to roughly 22°C (72°F).

What is the average temperature in Tongatapu Island, Tonga in August?

Daytime temperatures in Nuku‘alofa peak at roughly 24°C (75°F) in August, dropping to about 22°C (72°F) overnight.

Does Tongatapu Island, Tonga get a lot of rain in August?

Yes, August tends to be a wetter month in Tongatapu Island, Tonga. Average rainfall in Nuku‘alofa sits around 118 mm (4.6 in).

Is August a Good Time to Visit Tongatapu Island, Tonga?

We consider August to be one of the best times to travel to Tongatapu Island, Tonga. Typically, the climate in Nuku‘alofa is pleasant. It's worth noting that weather conditions might differ depending on the location you visit.

Generally speaking, April, May, June, July, August, September, October, November and December provide pleasant weather in Nuku‘alofa. On the other hand, the months of January, February and March tend to have unpleasant weather conditions.

Interested in more climate information?

We have much more information about the climate in Tongatapu Island.

Weather and climate has detailed information for every country in the world. Are you going to Tonga? Get detailed historical weather averages for many cities in Tonga.

Not sure yet where to go? We now have a tool which recommends destinations that suit your ideal travel conditions. Find out where to go with our weather planner.

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