The climate of Tonga

What is the climate like in Tonga?

The climate of Tonga has an average yearly temperature of 28°C. Throughout the year, the average monthly temperature can drop to 25°C and rise to 30°C.

Annually, about 2157 mm of rain falls. This gives a good overview of how much rain to expect in Tonga.

The best time to visit Tonga is May to December. Although it often rains during this period, it rains less than in other months. The temperatures are also good for visiting Tonga.

The hurricane season in Tonga lasts from early November to late April.

• Average yearly temperature: 28°C
• Highest temperature: 30°C in January, February and March
• Lowest temperature: 25°C in July and August
• Rainfall: 2157 mm per year, averaging 180 mm by month
• Driest months: 101 mm in September, 114 mm in October and 119 mm in July
• Wettest months: 311 mm in March, 289 mm in February and 256 mm in January

Climate table Tonga

The climate table for Tonga shows the average temperatures, rainfall, and UV index by month.

	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Daytime temperature (°C)	30	30	30	29	27	26	25	25	26	27	28	29
Nighttime temperature (°C)	25	25	24	23	22	21	20	20	20	21	22	23
Rainfall (mm)	256	289	311	247	160	144	119	138	101	114	122	156
UV Index	0	0	0	0	0	0	0	0	0	0	0	0
Hurricane season Tonga
Best month

Temperature by month in Tonga

This graph shows the average high temperatures in degrees Celsius for each month in Tonga

Rainfall by month in Tonga

This graph shows the average monthly rainfall in millimeters in Tonga.

UV index by month in Tonga

This graph shows the average UV index by month in Tonga.

Yearly temperature in Tonga

This graph shows the average yearly temperature in Tonga, measured in degrees Celsius.

Yearly total rainfall in Tonga

This graph shows the average yearly rainfall in millimeters in Tonga.