UV Index
UV Index
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Today's UV index in Nouméa, New Caledonia 
will be up to 12.8, indicating extreme 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.
UV index at 12.8 in Nouméa means extreme risk; limit outdoor time from 10 a.m. to 4 p.m., use shade, protective clothing, SPF 30+ sunscreen, and sunglasses; watch for bright surfaces like water and snow increasing UV exposure.
Read more here about the climate and sun exposure in and around Nouméa.
The UV index in Nouméa, New Caledonia, can reach high levels throughout the year. During the summer months, from December to February, the UV index averages around 11 (extreme), which is considered very high and poses a significant risk of sunburn. Even in the cooler months of May to July, the UV index can still reach 10 (very high), so it's important to protect your skin with sunscreen, hats, and clothing.
Nouméa experiences two main seasons: a hot and humid summer and a cooler, drier winter. From November to March, the city is in its summer season, with average temperatures ranging from 26 °C to 30 °C (79 °F to 86 °F). These months also bring frequent rainfall, thunderstorms, and cyclones. From April to October, the city transitions to its winter season, characterized by milder temperatures ranging from 18 °C to 23 °C (64 °F to 73 °F), lower humidity, and less rainfall.
Compared to other places in the region, Nouméa enjoys a relatively mild climate and ample sunshine. The city's sun exposure is especially notable during the summer months, when the UV index reaches extreme levels. However, due to its location in the southwest Pacific, Nouméa is occasionally affected by tropical cyclones during the summer season. Nonetheless, visitors and residents can generally expect pleasant weather throughout most of the year, with warm summers and mild winters.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Nouméa. It's designed to provide you with a better understanding of the yearly weather and sun exposure.