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UV Index in Nuku'alofa

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Today's UV index in Nuku'alofa, Tonga Tonga will be up to 6.2, indicating a high level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.


Today's tips

With Nuku'alofa's UV index reaching 6.2, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours between 10 a.m. and 4 p.m., when UV rays are strongest.

Nuku'alofa's UV Index

The UV index in Nuku'alofa, Tonga is often very high due to its tropical location near the equator. It can reach extreme levels during peak sunlight hours, so it's typically quite intense.

Weather Seasons

UV index

Nuku'alofa has two main seasons: a wet season from November to April and a dry season from May to October. The wet season is warm and humid with regular rainfall, while the dry season is cooler and less humid.

Nuku'alofa's Climate

Compared to its region and neighboring countries, Nuku'alofa's weather is generally similar, being tropical and monsoonal. However, Tonga's islands offer more protection from strong winds than some other Pacific islands, leading to slightly milder conditions.

Annual Sun Radiation

The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Nuku'alofa. It's designed to provide you with a better understanding of the yearly weather and sun exposure.


* This page's content about the UV index in Nuku'alofa (Tonga) is for educational and informational purposes only. The developers and data providers are not liable for the accuracy, reliability, or availability of the information. The information is not a substitute for professional medical advice, and the developers and data providers are not medical professionals. Seek advice from a qualified health provider for any medical concerns, and do not disregard medical advice or delay seeking it based on the information provided on this site.