Average weather for Tonga in May
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.
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. There are plenty of days with a good chance of precipitation.
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.
In May, there is an average of 160 mm of precipitation, spread over 10 days. The wind speed is around 4 Bft, mostly coming from the Southeast.
Tonga in May |
New York | ||
|---|---|---|---|
 Average temperature |
27°C | 22°C | |
 Max. temperature |
28°C | 28°C | |
| Min. temperature |
27°C | -5°C | |
 Total precipitation |
160 mm | 105 mm | |
| Rainy days |
10 days | 14 days | |
April
Is May a good time to visit Tonga?
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.
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.
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.
Daily Temperature in May in Tonga
This chart shows the average daily high and low temperatures in May for Tonga, in degrees Celsius. The red line represents the highs, and the blue line shows the lows. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, provide the average temperatures for this month.
Daily Precipitation in May in Tonga
The chart below shows the average daily precipitation in May for Tonga, measured in millimeters over the past few years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are listed at the bottom of the chart.
A low average precipitation means that the chance of rain on that day is usually small, while a higher average suggests that it rained more often. But remember, it’s just an average, and every day can be different. Based on historical weather data for May, you can expect about 10 days of precipitation in Tonga.
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.
Temperature in May in Tonga over the years
This chart shows the average temperature in May in Tonga, measured in degrees Celsius, over the past few years.
Total precipitation in May in Tonga over the years
This chart shows the average precipitation in May in Tonga, measured in millimeters over the past years. Precipitation is always measured as water, whether it’s snow or hail.
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.
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.
