UV Index
UV Index
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Today's UV index in Dundalk, Ireland 
will be up to 0.5, indicating low 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.
Today, the UV index suggests low sun danger (0-2) in Dundalk, reaching up to 0.5. Remember sunglasses and SPF 30+ on sunny days, and be cautious around reflective surfaces like sand, water, and snow for increased UV exposure.
Read more here about the climate and sun exposure in and around Dundalk.
The UV Index in Dundalk, Ireland can vary throughout the year. In summer (June-August), it can reach high levels, ranging from 6 to 8, indicating a moderate to high risk of sunburn. It is important to protect your skin by wearing sunscreen, sunglasses, and a hat when outdoors. In winter (December-February), the UV Index is generally low, typically ranging from 0 to 2, meaning a low risk of sunburn. However, it is still advisable to apply sunscreen to exposed areas.
Dundalk experiences four distinct seasons: spring, summer, autumn, and winter. Spring (March-May) brings mild temperatures, with average highs of around 10-15 °C (50-59 °F) and increasing daylight hours. Summer (June-August) is the warmest season, with average highs of 17-21 °C (63-70 °F) and longer days. Autumn (September-November) brings cooler temperatures, with average highs around 13-17 °C (55-63 °F) and the changing colors of foliage. Winter (December-February) is the coldest season, with average highs of 6-9 °C (43-48 °F) and shorter days.
Compared to other regions in Ireland, Dundalk generally experiences similar weather patterns due to its location on the east coast. However, its proximity to the Irish Sea can moderate temperatures, leading to slightly milder winters and cooler summers compared to inland areas. The amount of sun exposure in Dundalk is influenced by the prevailing weather systems, but on average, it receives approximately 1,500 hours of sunshine per year. Remember to be mindful of UV radiation and protect your skin all year round.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Dundalk. It's designed to provide you with a better understanding of the yearly weather and sun exposure.