Today, the UV index suggests low sun danger (0-2) in Raleigh, reaching up to 2.5. 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 Raleigh.
In Raleigh, the UV index is an important factor to consider when planning outdoor activities. During the summer months, the UV index can reach high levels, often reaching 9 or 10, which is considered very high. This means there is a high risk of sunburn and skin damage, so it is crucial to wear sunscreen, protective clothing, and seek shade when necessary.
Raleigh experiences four distinct seasons throughout the year. Spring (March to May) brings mild temperatures, with average highs ranging from 19 °C (67 °F) to 25 °C (77 °F). Summers (June to August) are hot and humid, with temperatures often exceeding 32 °C (90 °F). Autumn (September to November) has pleasant temperatures, averaging from 18 °C (64 °F) to 24 °C (75 °F), and it is a great time to enjoy outdoor activities. Winters (December to February) can be cool, with average temperatures ranging from 6 °C (43 °F) to 12 °C (54 °F), but occasional cold spells, with temperatures dropping below freezing, are not uncommon.
Compared to its region, Raleigh tends to have more sunny days throughout the year. The city experiences an average of 213 sunny days annually, while the United States average is 205. This means residents and visitors in Raleigh are exposed to ample sunlight. It is important to be aware of the UV index and take precautions to protect oneself from the sun's harmful rays, especially during the summer months, when the sun is particularly strong.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Raleigh. It's designed to provide you with a better understanding of the yearly weather and sun exposure.