Today, the UV index suggests low sun danger (0-2) in Riga, reaching up to 0.4. 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 Riga.
The UV index in Riga usually ranges from low to moderate throughout the year. In summer, it can reach levels of 5-6 (moderate), while in winter, it drops to around 1-2 (low). This means that in summer, it is advisable to protect your skin with sunscreen, especially during the peak hours of UV radiation from 10 AM to 4 PM.
Riga experiences four distinct weather seasons. Spring (March to May) is mild with temperatures ranging from 5 °C to 15 °C (41 °F to 59 °F) and occasional rain showers. Summer (June to August) brings warm temperatures averaging around 20 °C to 25 °C (68 °F to 77 °F), with occasional heatwaves reaching up to 30 °C (86 °F). Autumn (September to November) is characterized by cooler temperatures ranging from 5 °C to 15 °C (41 °F to 59 °F) and increasing rainfall. Winter (December to February) in Riga is cold, with temperatures ranging from -5 °C to 0 °C (23 °F to 32 °F) and occasional snowfall.
Compared to its region, Riga has a slightly shorter period of sun exposure due to its higher latitude. For example, during summer solstice, Riga experiences around 17 hours of daylight, while cities closer to the equator may have up to 12-14 hours of daylight. However, Riga still receives a fair amount of sunlight, with an average of about 1,600 hours of sunshine per year. It is important to take this into account when planning outdoor activities and dressing appropriately.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Riga. It's designed to provide you with a better understanding of the yearly weather and sun exposure.