UV index at 12 in Montevideo means extreme risk; limit outdoor time from 10 a.m. to 4 p.m., use shade, protective clothing, SPF 30+ sunscreen, and sunglasses; watch for bright surfaces like water and snow increasing UV exposure.
Read more here about the climate and sun exposure in and around Montevideo.
The UV index in Montevideo can vary depending on the time of year. During the summer months (December to February), the UV index is generally high, ranging from 10 to 12 (very high to extreme). It is important to protect your skin by wearing sunscreen, hats, and sunglasses to prevent sunburn and reduce the risk of skin damage.
Montevideo experiences four distinct seasons. In the summer (December to February), temperatures average around 28-32 °C (82-90 °F) with high humidity. Autumn (March to May) sees milder temperatures around 16-22 °C (61-72 °F), while winter (June to August) can be cold with average temperatures ranging from 9-15 °C (48-59 °F). Spring (September to November) brings pleasant weather with temperatures around 17-23 °C (63-73 °F). Layered clothing is essential during the colder months, while lightweight and breathable clothing is recommended for the warmer months.
Compared to its region, Montevideo enjoys moderate sun exposure. It is important to note that the city is located in the Southern Hemisphere, resulting in opposite seasons compared to North America and Europe. As a coastal city, Montevideo experiences a temperate maritime climate, influenced by the cool South Atlantic Ocean. Visitors should consider sunscreen, UV protection, and comfortable clothing suitable for the specific season to make the most of the weather in this charming capital city of Uruguay.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Montevideo. It's designed to provide you with a better understanding of the yearly weather and sun exposure.