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Tonga weather in May 2025
Expect 26°C daytime maximum temperatures in the shade with on average -9999 hours of sunshine per day in Tonga in May. Check more long-term weather averages for Tonga in May before you book your next holiday to Tonga in 2025/2026.
- 2626°C max day temperature
- 99 days with some rainfall
- 2121°C min night temperature
- 1111 hours of daylight per day
- MModerate heat & humidity
- 102102 mm of monthly rainfall
- 77 (High) UV index
- 2626°C sea temperature
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Recommended for Tonga
The May weather guide for Tonga (Nuku'alofa) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Top Tonga destinations
Below are average maximum temperatures at popular countries, regions and places in Tonga in May. Select a holiday destination to see more weather parameters.
All Tonga destinations
Metric (°C / mm) | Imperial (°F / inches)
How hot is it in Tonga in May?
Daytime temperatures usually reach 26°C in Nuku'alofa, Tonga in May with moderate heat and humidity, falling to 21°C at night.
How warm is the sea around Tonga in May?
The average sea temperature around Nuku'alofa, Tonga in May is 26°C.
Does it rain in Tonga in May?
There are usually 9 days with some rain in Nuku'alofa, Tonga in May and the average monthly rainfall is 102mm.
Tonga May sunrise & sunset times
Browse the sunrise and sunset times for Tonga in May 2025. Select a month to view Tonga sunrise and sunset times for the next 12 months. The Tonga sunrise and sunset times shown below are for Nuku'alofa.
JanFebMarAprMayJunJulAugSepOctNovDec
Date | Sunrise times | Sunset times |
---|---|---|
Thursday, 1st May 2025 | 06:58 | 18:18 |
Friday, 16th May 2025 | 07:04 | 18:10 |
Saturday, 31st May 2025 | 07:10 | 18:07 |
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