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UV Index in Hamilton, NZ

UV index


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Today's UV index in Hamilton, New Zealand New Zealand will be up to 10.3, indicating very high risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.


Today's tips

With a UV index of 10.3 in Hamilton, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.

Hamilton Weather

Read more here about the climate and sun exposure in and around Hamilton.

UV Index in Hamilton

The UV index in Hamilton typically ranges from low to extreme throughout the year. In summer (December to February), when the sun is at its highest position, the UV index can reach extreme levels of 11 or more, which means high risk of sunburn. It is important to protect yourself by wearing sunscreen, hats, and sunglasses to reduce the risk of sun damage.

Weather Seasons

UV index

Hamilton experiences four distinct seasons, with varying temperatures and weather conditions. In summer, temperatures range from 20 °C (68 °F) to 30 °C (86 °F), accompanied by occasional rain showers and sunny days. Autumn (March to May) brings cooler temperatures, averaging around 15 °C (59 °F) to 25 °C (77 °F), with more frequent rainfall. Winters (June to August) are usually mild, ranging from 10 °C (50 °F) to 15 °C (59 °F), with occasional frosts and some rainfall. Spring (September to November) sees temperatures gradually rising, ranging from 15 °C (59 °F) to 25 °C (77 °F), with moderate rainfall.

Hamilton's Climate

Compared to the surrounding region, Hamilton enjoys relatively higher sun exposure due to its inland location. Nearby coastal areas experience slightly cooler and windier conditions, while inland areas may have more extreme temperatures and less wind. Regardless of the location, it is crucial to be mindful of sun exposure and take necessary precautions to protect yourself from harmful UV rays throughout the year.

Annual Sun Radiation

The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Hamilton. 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 Hamilton (New Zealand) 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.