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Belfast UV Index Today

Day Summary

The UV index in Belfast, United Kingdom Flag of United Kingdom will reach a high of 5.2 today. This means a moderate level of sun exposure. See our tips below to stay safe!

Last checked: 2025-08-04

Hourly Forecast Chart

Today's Safety Tips

The sun is a bit strong. Find some shade during midday. Wear a hat, sunglasses, and use SPF 30+ sunscreen if you'll be outside for a while.

Belfast's UV Index

Belfast's UV index is usually low to moderate, ranging from about 1 in winter to 5 or 6 in summer, due to its northern location and often cloudy skies. This means the sun's rays are not very strong most of the year.

Weather Seasons

UV index

Belfast has cool, wet winters with temperatures around 0-8°C and mild summers, averaging 15-20°C. Rain is common year-round, with the wettest months typically from October to January. Snow can happen in winter but is not heavy.

Belfast's Climate

Compared to other parts of the UK, Belfast is cooler and wetter than much of England but milder than inland Scotland. It is windier and rainier than Dublin, Ireland, which lies just across the Irish Sea and has slightly warmer temperatures.

Hourly UV Index Trend

See the UV index hour by hour for Belfast. When the level is high, it's smart to find some shade.

Disclaimer

* The information on this page about the UV index in Belfast is for educational purposes only. It is not a substitute for professional medical advice. Always consult a doctor for any health concerns.