UV Index
UV Index
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Today's UV index in Norfolk, United States 
will be up to 5, indicating a moderate 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.
With a UV index reaching up to 5 in Norfolk, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
The UV index in Norfolk, USA, averages 6 in the summer, which is considered high. In winter, the UV index is much lower, usually around 2.
Norfolk has four distinct seasons. Spring brings mild temperatures and blooming flowers, while summer is typically warm and humid. Autumn sees falling leaves and cooler weather, and winters can be chilly with some snowfall.
Norfolk's weather is milder than many parts of the United States. It's warmer than the northern states in winter, and cooler than the southern states in summer. Compared to neighbouring countries, Norfolk's weather is more stable and predictable than Canada, but less extreme than regions in Mexico or the Caribbean.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Norfolk. It's designed to provide you with a better understanding of the yearly weather and sun exposure.