UV Index
UV Index
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Today's UV index in San Salvador, El Salvador 
will be up to 9.1, indicating very high risk of harm from the sun's UV rays for the average person. Check our tips for today to make sure you're safe in the sun.
With a UV index of 9.1 in San Salvador, it's crucial to safeguard your skin from harmful UV rays. Protect yourself by minimizing sun exposure, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours.
Read more here about the climate and sun exposure in and around San Salvador.
The UV index in San Salvador, El Salvador, can reach high levels throughout the year. In the summer months (December to February), the index ranges from 9 to 12 (very high to extreme), which means there is a significant risk of sunburn and skin damage. During the rest of the year, the UV index tends to be slightly lower, ranging from 7 to 10 (high to very high). It is important to take proper sun protection measures like wearing sunscreen, hats, and sunglasses, to avoid the harmful effects of the sun's rays.
San Salvador experiences a tropical climate with two distinct seasons: the dry season and the rainy season. The dry season, which lasts from November to April, is characterized by warm temperatures and very little rainfall. Average temperatures during this period range from 23 °C to 31 °C (73 °F to 88 °F). The rainy season, from May to October, brings higher humidity and frequent afternoon showers. Temperatures remain relatively high, with averages ranging from 24 °C to 29 °C (75 °F to 84 °F). It's important to note that extreme variations can occur due to El Niño or La Niña phenomena.
Compared to other cities in the region, San Salvador has a higher sun exposure due to its location at a lower latitude. This means that the sun's rays are more direct and intense. Additionally, San Salvador is situated at a higher altitude compared to coastal cities, which can further increase UV radiation. It is advisable to take extra precautions when spending time outdoors, especially during the peak hours of sunshine between 10 a.m. and 4 p.m.
The chart above displays the Shortwave Radiation Sum (MJ/m²) for each day of the last year in San Salvador. It's designed to provide you with a better understanding of the yearly weather and sun exposure.