Today, the UV index suggests low sun danger (0-2) in Oulu, reaching up to 0.1. 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 Oulu.
The UV index in Oulu, Finland, typically ranges from low to moderate throughout the year. During summer months (June-August), when the sun is at its strongest, the UV index can reach up to 6 (moderate), requiring some protection for skin and eyes. In other seasons, like winter (December-February), the UV index remains low, usually around 0-1, due to the limited sunlight.
Oulu experiences distinct seasons: summer, fall, winter, and spring. Summers, from June to August, are mild with average temperatures around 16-19 °C (61-66 °F). Fall (September-November) brings cooler temperatures, ranging from 4-10 °C (39-50 °F), along with colorful foliage. Winters (December-February) are cold, with temperatures dropping to -10 to -20 °C (14-4 °F), and are characterized by snowfall. Spring (March-May) is a transition period with increasing temperatures, ranging from 0-6 °C (32-43 °F).
Compared to its region, Oulu experiences relatively low sun exposure, particularly during winter months when daylight hours are limited. This is due to its northerly location. Oulu is situated on the same latitude as cities like Anchorage (Alaska) and Reykjavik (Iceland), resulting in shorter days during winter and longer days during summer. It is important to adjust outdoor activities accordingly, and during summer, sun protection is recommended to prevent UV-related skin damage.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Oulu. It's designed to provide you with a better understanding of the yearly weather and sun exposure.