The weather in January in Tonga
It's hot in January in Tonga with an average temperature of 30°C. Temperatures this month range from a low of 28°C to a high of 33°C. At night, you can expect temperatures between 23°C and 25°C.
Looking for sun? January 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 January 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 56°C in 2014, Tonga reached the highest temperature in January over the past 10 years. The lowest daytime temperature in this month was 24°C in 2019. The extreme nighttime temperatures ranged from a lowest recorded value of 18°C to a highest value of 28°C.
Rainfall amount
In January, there is an average of 256 mm of precipitation, spread over 23 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in January for Tonga
Click on any day in January 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.
January weather comparison
| Tonga | New York | |
|---|---|---|
| Average temperature | 30°C | 5°C |
| Max. temperature | 33°C | 11°C |
| Min. temperature | 23°C | -5°C |
| Total precipitation | 256 mm | 97 mm |
| Rainy days | 23 days | 12 days |
Start of January
The month of January starts in Tonga with hot temps, averaging around 30°C during the day and nights around 25°C.
Mid January
By mid-January, daytime temps rise to around 31°C, with nights around 25°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of January
By the end of January, the average daytime temperature in Tonga is around 31°C, while nighttime temps are about 25°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 January in Tonga. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in January in Tonga
Temperature in January in Tonga over the years
Precipitation charts
These charts show the average amount of precipitation in January 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 January in Tonga
Total precipitation in January in Tonga over the years
Daily UV index in January in Tonga
This chart shows the average daily UV index in January 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 January in Tonga
Have you been to Tonga in January?
Share your weather experience in January in Tonga.
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.