Swimming in Tonga in july 2025 Sea temperature by city in july
Do you want to go to the beach in Tonga in july 2025? Is it the right month to go for pleasant temperatures and staying in the water for a long time? The answer is on this page with the sea temperatures in july in Tonga by city and our opinion on the chances of enjoying pleasant sea conditions.
Sea temperature in Tonga in july 2025
Here, find the average sea temperature in Tonga in july in several coastal cities.
77°F
min: 75°F / max: 79°F
79°F
min: 76°F / max: 81°F
77°F
min: 75°F / max: 79°F
79°F
min: 77°F / max: 82°F
Where should you go swimming in Tonga in the month of july?
Swimming in Tonga in july is ideal (in the best case scenario)
In july in Tonga swimming conditions vary by city. Details below:
In july in Vavaʻu island, swimming conditions are perfect! With water reaching a maximum of 82°F and an average of 79°F, going in the water (and staying there!) feels great.
As for Nukuʻalofa, Haʻapai islands (Lifuka and Foa) and Tongatapu Island, swimming is pleasant in july. The sea water is 77°F on average (min: 75°F/max: 79°F) so you can easily spend time in the water.
Where to go swimming in Tonga in july: the map of sea temperatures
ideal swimming 
pleasant swimming 
cool swimming 
cold swimming 
freezing swimmingWater temperature and seasonal norms in july
Nukuʻalofa
| July | |||
| Average sea temperature | 77°F | ||
| Minimum sea temperature | 75°F | ||
| Maximum sea temperature | 79°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 76°F | ||
| Minimum outside temperature | 74°F | ||
| Precipitation | 5.2in | ||
| Number of days of precipitation | 5 jour(s) (16%) | ||
| Cloud cover | 48% | ||
| Our opinion | pleasant swimming |
More information on swimming in Nukuʻalofa in july
Haʻapai islands (Lifuka and Foa)
| July | |||
| Average sea temperature | 79°F | ||
| Minimum sea temperature | 76°F | ||
| Maximum sea temperature | 81°F | ||
| Average outside temperature | 76°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 76°F | ||
| Precipitation | 3.7in | ||
| Number of days of precipitation | 4 jour(s) (13%) | ||
| Cloud cover | 48% | ||
| Our opinion | pleasant swimming |
More information on swimming in Haʻapai islands (Lifuka / Foa) in july
Tongatapu Island
| July | |||
| Average sea temperature | 77°F | ||
| Minimum sea temperature | 75°F | ||
| Maximum sea temperature | 79°F | ||
| Average outside temperature | 74°F | ||
| Maximum outside temperature | 76°F | ||
| Minimum outside temperature | 74°F | ||
| Precipitation | 5.2in | ||
| Number of days of precipitation | 5 jour(s) (16%) | ||
| Cloud cover | 48% | ||
| Our opinion | pleasant swimming |
More information on swimming in Tongatapu Island in july
Vavaʻu island
| July | |||
| Average sea temperature | 79°F | ||
| Minimum sea temperature | 77°F | ||
| Maximum sea temperature | 82°F | ||
| Average outside temperature | 77°F | ||
| Maximum outside temperature | 77°F | ||
| Minimum outside temperature | 77°F | ||
| Precipitation | 3.6in | ||
| Number of days of precipitation | 4 jour(s) (13%) | ||
| Cloud cover | 50% | ||
| Our opinion | ideal swimming |
More information on swimming in Vavaʻu island in july
List of coastal cities in Tonga
| Nukuʻalofa in july | pleasant swimming |
| Haʻapai islands (Lifuka and Foa) in july | pleasant swimming |
| Tongatapu Island in july | pleasant swimming |
| Vavaʻu island in july | ideal swimming |