The best time to visit Tonga is in June.
This is the month when the weather in Tonga is at its best and the number of tourists and prices haven’t peaked yet.
If you are planning to travel to Tonga, read our detailed guide on the best time to visit Tonga weather, price, and tourists-wise.
- About Tonga
- Climate in Tonga
- High and low seasons in Tonga
- Best time to go to Tonga – Conclusion
Tonga is an archipelago comprising 169 islands, 36 of them inhabited. The archipelago is divided into three main groups: Tongatapu, Vava’u, and Ha’apai, with a total area of 750 square kilometers (290 sq mi).
The main island in Tonga is Tongatapu which is home to the capital city of Tonga, Nuku’alofa.
The country is ruled by a constitutional monarchy with an elected parliament. Tonga’s economy relies heavily on agriculture, tourism, and financial assistance from New Zealand.
Tongan culture still reflects strong Samoan and Fijian influences. The languages spoken in Tonga are Tongan and English.
Tonga is also known as “The Friendly Islands“. Its natural beauty, friendly people, and rich culture make it a great vacation destination.
Climate in Tonga
The climate in Tonga is Tropical with two distinctive seasons.
The temperatures in Tonga are high throughout the year and there is high humidity. These are the seasons that decide if the weather is bad or nice.
The bad weather in this tropical paradise is during the Wet Season (also called the Typhoon Season). The rainy season lasts from November to April and is characterized by constant rain, high temperatures, and high humidity.
The nice weather occurs during the Dry Season (also called the Cooler Season). It lasts from May to November. This is when it’s sunny and there is no rainfall most of the time.
Wet season in Tonga
The wet season in Tonga is a time of year when it rains a lot. It falls in the months of November to April.
This time of year spoils the weather in this tropical paradise. The rain falls in heavy, short-lived showers and the ground becomes very wet.
The temperatures are very high which increases humidity.
It rains approx. 170 millimeters (6.7 inches) on average per month during the wet season in Tonga.
The temperatures during the rainy season in Tonga are high and range between 27°C-31°C (80.6°F-87.80°F).
|Wet Season (November to April) – Main characteristics:
|High amount of rainfall
|Tropical storms and cyclones
Dry season in Tonga
The dry season in Tonga lasts from May to October.
This is the period when the weather is nice, sunny, and with little rain.
The dry period offers a lot of sunshine, low precipitation, and lower temperatures, yet still warm, and less humidity.
The average rainfall during the dry season in Tonga is about 100 millimeters (4 inches).
The temperatures during the dry season are a bit cooler than in the wet season and range between 24°C-26°C (75.2°F-78.8°F).
|Dry Season (May to October) – Main characteristics:
|A lot of sunlight and little rainfall
|No tropical storms and cyclones
|A lot of tourists
Average temperature in Tonga by month
Tonga offers warm temperatures during the whole year.
As you can see on the chart below, temperatures are a bit cooler during the dry season and a bit higher during the wet period:
Average rainfall in Tonga by month
There is more rainfall in Tonga during the wet season, from November to April, and much less during the dry season from May to October.
The month with the highest average amount of rainfall is March.
The chart below shows the average rainfall in Tonga by month:
Best time to visit Tonga for the best weather
The best time to travel to Tonga weather-wise is in the dry season, from May to October.
This is when the sky is mostly clear and the weather is warm, sunny, and less humid.
If you would like to maximize the dry season to the full, then you should visit Tonga in June or July. These are the two months with the lowest amount of rainfall in the whole dry season.
High and low seasons in Tonga
To figure out the best time to visit Tonga it’s not enough to determine only the weather. It’s also important to know when the peak and off-peak seasons are to avoid high numbers of tourists.
Peak season in Tonga
The busiest season in Tonga is from July to September.
This is when you will see more tourists on the island and the prices of food, accommodation, and flights are also higher due to demand.
Also, December will see an increased number of people on the island because many Tonga residents come back home for the holiday season.
Off-peak season in Tonga
The off-peak season in Tonga is during the wet season when there is constant rain.
There are very low numbers of tourists and low prices in Tonga during the wet season, from November to April, excluding December.
Shoulder seasons in Tonga
The shoulder seasons in Tonga are May, June, and October.
In May and June, the weather is already nice and sunny, but the tourists haven’t come in masses to the island yet.
October still enjoys good weather, but the tourists have already left the island after the peak season.
Best time to travel to Tonga for fewer tourists
If you want to avoid tourists in Tonga at all costs, then you should visit the island in the wet season, from November to April, excluding December, a holiday season.
However, bear in mind that’s also the worst time to visit Tonga due to the bad, rainy weather.
If you want to enjoy good weather and fewer tourists, you should travel to Tonga during the shoulder seasons, in May, June, and October.
Best time to go to Tonga – Conclusion
The best time to travel to Tonga would depend on your expectations, needs, and budget.
Weather-wise the best time to visit Tonga is during the dry season, from May to October. If you want to maximize the sun, then you should go in June or July.
If you would like to avoid tourists and high prices, then the best time to visit Tonga would be during the wet season, from November to April, excluding December.
If you are looking for optimal experience weather and crowd-wise then you should choose to go to Tonga during the shoulder seasons either in May, June, or October.
Based on these timeframes, the best time to visit Tonga is in June, when the weather is the sunniest, and the number of tourists and prices haven’t peaked yet before the high season.