Temperatures 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.
Max and Min Temperatures per Day
This chart shows the daily maximum and minimum temperatures in degrees Celsius for Tonga in May. The red line indicates the max temperatures, and the blue line shows the minimums.
Start of May
The month of May starts in Tonga with hot temperatures, averaging around 28°C during the day and nights close to 23°C. Plenty of days with a chance of precipitation.
Mid-May
By mid-May, the average daytime temperature stays the same at 28°C, with nights close to 23°C. There might be a few showers during this period, but plenty of dry days with sunshine too.
End of May
By the end of May, the average daytime temperature in Tonga will be around 28°C, with nights close to 22°C. There’s a significant chance of many days with precipitation.
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Precipitation in May
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.
The average precipitation chance is 31% per day this month. Though it seems pretty low, the weather’s variable. Some days have higher and others lower precipitation chances, which lowers the average.
Precipitation Chance
This chart shows the daily precipitation chance (in percentages) in May for Tonga. 0% means it never rained on that day in the past 10 years, and 100% means it rained every day. All values in between represent the average chance of precipitation on that day.
Tonga in May |
UK | ||
|---|---|---|---|
 Average Temperature |
27°C | 18°C | |
 High Temp |
28°C | 21°C | |
| Low Temp |
27°C | 15°C | |
 Total Precipitation |
160 mm | 46 mm | |
| Rainy Days |
10 days | 8 days | |
April
Is May a good time to visit Tonga?
After some sun? Then May isn’t the best time to be in Tonga. The temperature is pleasant, but there’s too much chance of rain this month.
Temperature records for Tonga in May
With 30°C, Tonga hit the highest temperature in the last 10 years in May 2017. The lowest daytime temperature in this month was 23°C in 2021. The extreme night temperatures ranged from a low of 15°C to a high of 25°C.
Check out the climate of Tonga for all months and discover the best travel time
The climate of Tonga is based on weather data from Nuku‘alofa. Other locations might have different weather. You can check out all destinations in Tonga for a full picture of the climate.
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Daily Temperature in May in Tonga
This chart shows the average daily temperatures, both day and night, for each day in May in Tonga, measured in degrees Celsius. The red line represents the maximum temperatures, while the blue line shows the minimums. The days of the month are displayed at the bottom of the chart. The data, based on historical observations, gives an overview of the average daily temperatures during this month.
Daily Precipitation in May in Tonga
The chart below shows the average daily precipitation in May for Tonga, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail. The days of the month are shown 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 rain is more likely. But it’s still an average, so each day can be different. Based on historical weather data for May, you can expect around 10 days of rain 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 years.
Total Precipitation in May in Tonga Over the Years
This chart shows the average precipitation in May in Tonga, measured in millimetres over the past years. Precipitation is always measured as water, even if it’s snow or hail.
Daily climate in May for Tonga
Click on a specific day in May for detailed info on the typical 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
Have you been to Tonga in May?
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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.
