UV index at 13.5 in Asunción 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 Asunción.
The UV index in Asunción, Paraguay, can be quite high, especially during the summer months. It often reaches levels between 10 and 12 (very high to extreme), which can cause sunburn in a short amount of time. It is important to protect your skin by wearing sunscreen, sunglasses, and a hat when spending time outdoors.
Asunción experiences two main seasons: a hot and humid summer and a mild winter. During the summer, which lasts from December to February, temperatures can soar to an average high of 35 °C (95 °F) and occasionally even higher. The humidity levels are also high, making it feel even hotter. Winter, on the other hand, occurs from June to August and brings milder temperatures, with average highs around 21 °C (70 °F).
Compared to other cities in the region, Asunción generally receives more sun exposure. With over 2,500 hours of sunshine per year, it surpasses some neighboring capitals. This abundant sunshine makes it necessary to take precautions against sunburn and heat-related illnesses. It is advised to stay hydrated, seek shade during the hottest hours, and to dress accordingly to protect your skin from the sun's harmful rays.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in Asunción. It's designed to provide you with a better understanding of the yearly weather and sun exposure.