Neiafu Weather in August
Neiafu in August sees high temperatures, with highs around 26°C (79°F) and overnight lows of 23°C (73°F). Rainfall is fairly high at around 87 mm (3.4 in) on average, so pack waterproofs just in case.
Rainfall in Neiafu in August
Analyzing past climate data, one can expect approximately 18 days of rain, averaging 87 mm (3.4 in). Expect plenty of grey, overcast days rather than intense storms. The rain rarely amounts to much on any given day.
Temperature in Neiafu in August
Weather in Neiafu is at its perfect in August. Highs reach 26°C (79°F), while nights settle around 23°C (73°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. With lows around 23°C (73°F), the nights are warm enough that a sheet is usually all you need for bedding. On average, it features the lowest temperatures of the year but it is still a warm month.
Average water temperature in August
With water at 25°C (77°F), you can expect warm, pleasant conditions for any water activity. There's no adjustment period — it feels comfortable straight away.If your ideal day consists of dry skies and pleasant temperatures, June, July and August typically offer the best circumstances for Neiafu.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Tonga, check out our Neiafu's climate page.
Neiafu Temperature in August
Min Temperature
23°C (73°F)
Max Temperature
26°C (79°F)
Water Temperature
25°C (77°F) *
Chance of Rain
59%
Precipitation
87 mm (3.4 in)
Rainy days
18 days
Humidity
70% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Neiafu typically stay consistent throughout August, with daily highs averaging around 26°C (79°F). Nights are warm, with lows around 21°C (70°F).
Average temperatures in August
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in August
Historical weather for Neiafu in August
Browse day-by-day weather records for Neiafu spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Neiafu historical weather extremes in August
Based on weather observations in Neiafu between 2002 and 2025, these are the recorded extremes during August.
- The warmest day in August was on August 29, 2025, with a maximum of 30°C (86°F).
- On August 28, 2003, Neiafu saw its coldest August day with temperatures maxing out at 14°C (57°F).
- The coldest night in August in Neiafu was on August 6, 2005, with a minimum of 11°C (52°F).
Best Places in Tonga in August
Find out more about the weather in Tonga and which places have the best travel conditions in this month. See all of Tonga in August →
perfect weather
pleasant
tolerable
unpleasant
poor
What to Wear in Neiafu in August
Warm weather calls for comfortable, breathable clothing in August. Cotton t-shirts, shorts, light dresses, and sandals are perfect. You might still want a light layer for evenings or air-conditioned places (for example buses). High rain levels are expected, so pack waterproof gear and an umbrella or poncho. The water temperature sits at about 25°C (77°F), making it perfect for swimming and water activities. Don't forget to pack your favorite swimwear and perhaps some snorkel gear.What To Do in Neiafu in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Tonga, check out our Neiafu's climate page.
Temperature Rainfall Humidity Water Temp
See the full Neiafu climate overview or explore weather in Tonga.
