UV Index
UV Index
Today's UV index in Dublin, Ireland 
will be up to 5.6, 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: 2025-05-31
With a UV index reaching up to 5.6 in Dublin, 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.
Dublin's UV index is generally low, ranging from 0 to 5, with the highest levels in late spring and early summer. The sun's rays are not very strong compared to many other places.
Dublin has mild, wet weather all year. Winters are cool but not too cold, and summers are mild with some rain. Rain can fall anytime, so the sky is often cloudy or gray.
Compared to the rest of Ireland, Dublin is slightly sunnier and less rainy. Neighboring countries like the UK have similar weather, but inland areas often have more extreme temperatures and less rain.
See the UV index hour by hour for Dublin, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.