The weather in May in Tonga
It's warm in May in Tonga with an average temperature of 27°C. Temperatures this month range from a low of 27°C to a high of 28°C. At night, you can expect temperatures between 20°C and 23°C.
Looking for sun? May 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 May 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 30°C in 2017, Tonga reached the highest temperature in May over the past 10 years. The lowest daytime temperature in this month was 23°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 15°C to a highest value of 25°C.
Rainfall amount
In May, there is an average of 160 mm of precipitation, spread over 17 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Daily weather in May for Tonga
Click on any day in May 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.
May weather comparison
| Tonga | New York | |
|---|---|---|
| Average temperature | 27°C | 22°C |
| Max. temperature | 28°C | 28°C |
| Min. temperature | 20°C | -5°C |
| Total precipitation | 160 mm | 105 mm |
| Rainy days | 17 days | 14 days |
Start of May
The month of May starts in Tonga with hot temps, averaging around 28°C during the day and nights around 23°C.
Mid May
By mid-May, daytime temps stay steady at around 28°C, with nights around 23°C. There’s a chance of some showers during this time, but plenty of dry and sunny days too.
End of May
By the end of May, the average daytime temperature in Tonga is around 28°C, while nighttime temps are about 22°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 May in Tonga. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in May in Tonga
Temperature in May in Tonga over the years
Precipitation charts
These charts show the average amount of precipitation in May 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 May in Tonga
Total precipitation in May in Tonga over the years
Daily UV index in May in Tonga
This chart shows the average daily UV index in May 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 May 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.