Tonga weather, climate and best time to visit

Best time to visit Tonga

The best time to visit in Tonga is in January and March until December, when you will have a pleasant or warm temperature and limited till mediocre rainfall. The highest average temperature in in Tonga is 28°C in February and the lowest is 23°C in July.

If you want to know what the average temperature is in in Tonga or when most precipitation (rain or snow) falls, you can find a quick overview below. This way, you are well prepared. Our average monthly climate data is based on data from the past 30 years.

Average weather Tonga by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Temperature (°C) 27 28 27 26 25 24 23 23 23 24 25 26
Precipitation (mm) 115 168 120 61 53 64 39 49 55 35 34 64
Climate data from city: Nuku‘alofa

Travel and stay Tonga

Looking to book a flight to Tonga? Hop on one of these airlines.

14 day weather forecast Tonga

The weather for in Tonga will be 26° till 27° degrees in the next 14 days with every day chance of light rain showers or even quite a bit of rain.

The weather forecast for Tonga is based on the weather conditions in the city of Nuku‘alofa.

Weather forecast this week

Thursday 2 Dec Water Precip Chance Wind UV
26°
25°
27° 2.6 mm 45% 9 m/s 3
Friday 3 Dec Water Precip Chance Wind UV
26°
25°
27° 1.0 mm 25% 8 m/s 2
Saturday 4 Dec Water Precip Chance Wind UV
26°
25°
27° 1.6 mm 35% 7 m/s 3
Sunday 5 Dec Water Precip Chance Wind UV
26°
26°
27° 0.9 mm 25% 7 m/s 1
Monday 6 Dec Water Precip Chance Wind UV
26°
26°
27° 1.2 mm 30% 8 m/s 2
Tuesday 7 Dec Water Precip Chance Wind UV
26°
25°
27° 0.3 mm 10% 6 m/s 3
Wednesday 8 Dec Water Precip Chance Wind UV
26°
25°
27° 0.7 mm 20% 5 m/s 3

Weather forecast next week

Thursday 9 Dec Water Precip Chance Wind UV
25°
23°
27° 12.6 mm 80% 4 m/s 3
Friday 10 Dec Water Precip Chance Wind UV
26°
25°
27° 2.2 mm 40% 4 m/s 3
Saturday 11 Dec Water Precip Chance Wind UV
27°
26°
27° 3.1 mm 50% 4 m/s 3
Sunday 12 Dec Water Precip Chance Wind UV
27°
26°
27° 3.8 mm 55% 3 m/s 4
Monday 13 Dec Water Precip Chance Wind UV
27°
26°
27° 0.6 mm 15% 3 m/s 4
Tuesday 14 Dec Water Precip Chance Wind UV
27°
26°
27° 0.3 mm 10% 5 m/s 4
Wednesday 15 Dec Water Precip Chance Wind UV
27°
27°
27° 1.1 mm 25% 5 m/s 4

Climate Tonga

The average annual temperature for Tonga is 25° degrees and there is about 857 mm of rain in a year. It is dry for 128 days a year with an average humidity of 78% and an UV-index of 6.

Climate table of Tonga

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Day temp. (°C) 27 28 27 26 25 24 23 23 23 24 25 26
Night temp. (°C) 26 27 27 26 25 24 22 22 22 23 24 25
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Precipitation (mm) 115 168 120 61 53 64 39 49 55 35 34 64
Days with rain 22 22 21 13 11 11 13 13 13 12 12 15
Dry days 9 6 10 17 20 19 18 18 17 19 18 16
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Sun hours per day 7 8 8 8 8 7 7 7 7 7 9 9
Wind force (Bft) 4 4 4 4 4 4 4 4 4 4 4 4
UV-index 7 7 7 6 6 6 6 6 6 6 6 6
Climate data from city: Nuku‘alofa

Tonga weather by month

What is the average weather like in a given month for Tonga? Let's find out! Click on a month to check all the monthly averages for sunshine, temperature highs and lows, percentage chance of rain per day, snowfall accumulation and number of rainy days.

Weather experiences Tonga

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Frequently asked questions

Where is Tonga?

Tonga lies in a straight line about 2,427 km from New Zealand (Wellington → Nuku‘alofa).

How long is the flight to Tonga?

The flight time from Auckland Airport to Tonga is approximately 3 h. 10 min.

What are the largest airports in Tonga?

These are the largest airports in Tonga:

How many inhabitants are there in Tonga?

Tonga has approximately 103,252 inhabitants.

How big is Tonga?

The area of Tonga is around 748 km². It is 358x smaller than New Zealand.

What is the capital of Tonga?

The capital of Tonga is Nuku‘alofa.

What is the currency of Tonga?

In Tonga the Tongan paʻanga (TOP) is used to pay.

Exchange rates on 2 December 2021

  • 1 Tongan paʻanga = 1.59 New Zealand dollar
  • 1 New Zealand dollar = 0.63 Tongan paʻanga
  • 10 Tongan paʻanga = 15.87 New Zealand dollar
  • 10 New Zealand dollar = 6.30 Tongan paʻanga
  • 100 Tongan paʻanga = 158.74 New Zealand dollar
  • 100 New Zealand dollar = 63.00 Tongan paʻanga

What is the area code of Tonga?

The area code to call Tonga is +676.