UV Index
UV Index
Today's UV index in Brighton, United Kingdom 
will be up to 5.4, indicating a moderate level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-10
With a UV index reaching up to 5.4 in Brighton, 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.
Brighton’s UV index is usually low to moderate, ranging from about 1 in winter to around 5 or 6 in summer, which means the sun’s rays are not very strong compared to hotter places. The weather in Brighton changes with the seasons: winters are cool and damp, springs become mild with occasional rain, summers are warm but not too hot, and autumns bring cooler temperatures and more rain. Compared to the wider United Kingdom, Brighton is often sunnier and milder because it's on the south coast. Its climate is cooler and wetter than southern European countries but warmer and less rainy than northern parts of the UK.
See the UV index hour by hour for Brighton, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.