Today, the UV index suggests low sun danger (0-2) in Bern, reaching up to 1.3. 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 Bern.
In Bern, Switzerland, the UV index ranges from low to moderate throughout the year. During the summer months, the UV index usually reaches its peak, ranging from 5 to 7 (moderate to high). It is advisable to wear sunscreen, protective clothing, and sunglasses to minimize the risk of UV radiation.
Bern experiences four distinct seasons. Spring (March to May) brings mild temperatures around 10-15 °C (50-59 °F), occasional showers, and blossoming landscapes. Summer (June to August) is warm and pleasant, with temperatures ranging from 20-25 °C (68-77 °F). Autumn (September to November) brings cooler weather around 10-15 °C (50-59 °F) and colorful foliage. Winter (December to February) is cold, with temperatures averaging around 0-5 °C (32-41 °F) and occasional snowfall.
Compared to its region, Bern is partly shielded by the Swiss Alps, resulting in less sun exposure than some surrounding areas. However, the city still enjoys a good amount of sunshine throughout the year. On average, Bern receives around 1,700 hours of sunshine annually, contributing to its pleasant weather conditions.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Bern. It's designed to provide you with a better understanding of the yearly weather and sun exposure.