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Tonga

Tonga © pixabay.com
Tonga Sea Temperature
This page provides detailed information about the water temperature in Tonga. All countries, cities and resorts on the coast. The range of sea temperatures for today. We find every spot where you can swim and tell you what the water temperature is there today and throughout the year.
Current Sea Temperature
26.8°C
minimal
27.3°C
average
27.8°C
maximum
Graph of Sea Temperature Changes in Tonga Over the Last 60 Days
The Warmest Places on the Seaside in Tonga Today
The Most Popular Seaside Resorts in Tonga
Seas and Oceans that Border Tonga
Water Temperature in Tonga: General Trends and Swimming Opportunities
Tonga, an archipelago in the South Pacific, is known for its pristine beaches, crystal-clear waters, and vibrant coral reefs. The sea temperature around Tonga remains consistently warm year-round, typically ranging from 26°C (79°F) in the cooler months to 29°C (84°F) during the summer. This tropical climate makes Tonga an ideal destination for swimming, snorkeling, and other water-based activities throughout the year.
The islands offer a range of beautiful beaches with calm, clear waters perfect for swimming. Popular spots such as Ha'atafu Beach and the beaches of the Vava'u group are known for their serene surroundings and gentle, shallow waters, making them ideal for family-friendly swimming. In addition to swimming, Tonga is renowned for its excellent snorkeling and diving opportunities. The coral reefs surrounding the islands are teeming with marine life, providing vibrant underwater ecosystems for snorkelers and divers to explore.
Tonga is also famous for being one of the few places in the world where you can swim with humpback whales during their migration season. Between July and October, visitors can take part in unique whale-watching experiences, either from boats or by swimming in the clear waters with these majestic creatures. In addition to swimming and snorkeling, Tonga offers opportunities for kayaking, paddleboarding, and fishing, making it a perfect destination for water enthusiasts. Whether you are enjoying a peaceful swim, exploring the underwater world, or engaging in other water sports, Tonga provides a stunning backdrop for all kinds of aquatic adventures.
General Information and Geographical Location of Tonga
Original name of the country: Puleʻanga Fakatuʻi ʻo Tonga
Tonga is located in Australia and Oceania. The country is washed by the Pacific Ocean. Tonga is a small country. To determine the temperature of the water in it, we track only five settlements. Link to Google Maps.
Tonga Weather
Tonga has a tropical climate, with warm temperatures and high humidity throughout the year. Average temperatures typically range from 75–86°F (24–30°C), though the northern islands tend to be warmer than the southern ones. The country experiences two main seasons: a hot, wet season from November to April and a cooler, drier season from May to October. The wet season brings heavy rainfall, high humidity, and the possibility of cyclones, while the dry season offers more pleasant conditions with steady trade winds.
Rainfall varies across the islands, with northern Tonga receiving more precipitation than the southern regions. Annual rainfall often exceeds 80 inches (2,000 mm), ensuring lush tropical vegetation. Humidity remains high, frequently above 75%, making the air feel warmer, especially in the rainy months. Despite frequent showers, sunshine is common, particularly during the dry season. The surrounding ocean helps regulate temperatures, and the warm sea waters, averaging around 79–84°F (26–29°C), contribute to the consistently warm climate, making Tonga an inviting destination year-round.
Frequently Asked Questions About Tonga and its Water Temperatures
What is the sea temperature today on the coast of Tonga?
The sea temperature today on the coast of Tonga ranges from from 80°F (26.8°C) in Havelu to 82°F (27.8°C) in Ohonua.
Which seas and oceans border Tonga?
Tonga is bordered only by the Pacific Ocean.
How long is the coastline in Tonga?
According to The World Factbook, the length of Tonga's coastline is 260 miles (419 km), while the World Resources Institute estimates it at 564 miles (909 km).
What is the best time for swimming and beach holidays on the coast of Tonga?
In Tonga, the average monthly water temperature does not drop below 68 degrees Fahrenheit (20 degrees Celsius) in any month of the year.
What is the sea temperature history in Tonga?
Here are the ranges of sea temperatures in Tonga by month based on historical data: in January from 77°F (25°C) to 86°F (30°C), in February from 77°F (25°C) to 86°F (30°C), in March from 77°F (25°C) to 86°F (30°C), in April from 75°F (24°C) to 86°F (30°C), in May from 75°F (24°C) to 86°F (30°C), in June from 73°F (23°C) to 82°F (28°C), in July from 71°F (22°C) to 82°F (28°C), in August from 69°F (21°C) to 82°F (28°C), in September from 69°F (21°C) to 82°F (28°C), in October from 69°F (21°C) to 84°F (29°C), in November from 73°F (23°C) to 84°F (29°C), in December from 75°F (24°C) to 86°F (30°C).