Tonga

Tonga Weather in August

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

Thinking about venturing to 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 Tonga in August

August in Tonga generally has warm temperatures, with precipitation levels ranging from moderate to high.

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.

For a closer look at conditions across Tonga, refer to the map below.

Precipitation

In August, precipitation varies across different areas. From moderate rainfall in Toula with an average of 87 mm (3.4 in) to high rainfall in Kanokupolu with 119 mm (4.7 in).

Explore Tonga by month

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

Best Places to Visit in Tonga in August

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

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 Tonga

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

Temperature range in Tonga (August)

Precipitation variation in Tonga (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
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

Neiafu

In August Neiafu generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Min temperature
24°C (75°F)
23°C (73°F)
24°C (75°F)
Monthly rainfall
69 mm (2.7 in)
87 mm (3.4 in)
104 mm (4.1 in)
Monthly rainy days
17 days
18 days
15 days
Weather conditions

Utungake

In August Utungake generally has high temperatures with maximum daytime temperatures around 26°C (79°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
26°C (79°F)
26°C (79°F)
26°C (79°F)
Min temperature
24°C (75°F)
23°C (73°F)
24°C (75°F)
Monthly rainfall
70 mm (2.8 in)
87 mm (3.4 in)
104 mm (4.1 in)
Monthly rainy days
17 days
18 days
15 days
Weather conditions

Lotofoa

In August Lotofoa generally has high temperatures with maximum daytime temperatures around 25°C (77°F), minimum nighttime temperatures around 23°C (73°F) and moderate monthly rainfall. So on average the conditions are perfect that month.

July
August
September
Max temperature
25°C (77°F)
25°C (77°F)
25°C (77°F)
Min temperature
23°C (73°F)
23°C (73°F)
23°C (73°F)
Monthly rainfall
79 mm (3.1 in)
98 mm (3.9 in)
98 mm (3.9 in)
Monthly rainy days
17 days
18 days
15 days
Weather conditions

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
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

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

City Weather Day temp Night temp Rainfall
Nuku‘alofa 24°C (75°F) 22°C (72°F) 118 mm (4.6 in)
Neiafu 26°C (79°F) 23°C (73°F) 87 mm (3.4 in)
Utungake 26°C (79°F) 23°C (73°F) 87 mm (3.4 in)
Lotofoa 25°C (77°F) 23°C (73°F) 98 mm (3.9 in)
Kanokupolu 24°C (75°F) 22°C (72°F) 119 mm (4.7 in)
Uoleva Island 25°C (77°F) 22°C (72°F) 99 mm (3.9 in)

Tonga weather in August: frequently asked questions

What is the weather like in Tonga in August?

In August, 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 Tonga in August?

Nuku‘alofa averages a daytime maximum of 24°C (75°F) in August, with overnight lows close to 22°C (72°F).

Does Tonga get a lot of rain in August?

Tonga sees substantial rainfall in August. Nuku‘alofa typically averages about 118 mm (4.6 in), a mix of wet and dry days, but bring an umbrella.

Is August a Good Time to Visit Tonga?

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

On average, the best time to visit Tonga is in April, May, June, July, August, September, October, November and December with generally pleasant weather in Nuku‘alofa. On the other hand, the weather in January, February and March tend to be unpleasant.

Interested in more climate information?

We have much more information about the climate in Tonga.

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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