The weather in December in Tonga
It's warm in December in Tonga with an average temperature of 29°C. Temperatures this month range from a low of 29°C to a high of 30°C. At night, you can expect temperatures between 22°C and 25°C.
Looking for sun? December isn’t a good month to be in Tonga. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in December for Tonga. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 41°C in 2020, Tonga reached the highest temperature in December over the past 10 years. The lowest daytime temperature in this month was 24°C in 2017. The extreme nighttime temperatures ranged from a lowest recorded value of 18°C to a highest value of 26°C.
Rainfall amount
In December, there is an average of 156 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in December for Tonga
Click on any day in December to get detailed info about the usual weather on that day in Tonga. Check out the historical temperatures and precipitation over the past 10 years on this day.
December weather comparison
| Tonga | New York | |
|---|---|---|
| Average temperature | 29°C | 9°C |
| Max. temperature | 30°C | 12°C |
| Min. temperature | 22°C | -5°C |
| Total precipitation | 156 mm | 133 mm |
| Rainy days | 17 days | 17 days |
Start of December
The month of December starts in Tonga with hot temps, averaging around 30°C during the day and nights around 24°C.
Mid December
By mid-December, daytime temps stay steady at around 30°C, with nights around 24°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of December
By the end of December, the average daytime temperature in Tonga is around 30°C, while nighttime temps are about 24°C. There’s a significant chance of many days with precipitation.
Find affordable vacations to Tonga
Check out the climate of Tonga for all months and discover the best travel time
The climate in Tonga is based on weather data from Nuku‘alofa. Other spots might have different weather. You can check out all destinations in Tonga to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in December in Tonga. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in December in Tonga
Temperature in December in Tonga over the years
Precipitation charts
These charts show the average amount of precipitation in December in Tonga. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in December in Tonga
Total precipitation in December in Tonga over the years
Daily UV index in December in Tonga
This chart shows the average daily UV index in December in Tonga, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in December in Tonga
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Average weather in Tonga by month
Click on a month below to see detailed weather info for Tonga. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.