UV Index
UV Index
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Today's UV index in Brooklyn, United States 
will be up to 7.3, indicating a high level of sun exposure for the average person. Check the annual sun radiation in the city and our tips for today to make sure you're safe in the sun.
With Brooklyn's UV index reaching 7.3, protect your skin from harm by staying in shade, wearing protective clothing, and applying SPF 30+ sunscreen every 2 hours between 10 a.m. and 4 p.m., when UV rays are strongest.
The UV index in Brooklyn varies throughout the year, peaking in the summer months. In July, the UV index can reach as high as 9, indicating a very high risk of UV radiation exposure. In the winter, the UV index is much lower, often ranging from 1 to 3.
Brooklyn experiences four distinct seasons, each with its own unique weather patterns. Spring brings mild temperatures and blooming flowers, while summer is warm and humid with occasional thunderstorms. Autumn sees falling leaves and crisp air, and winter is cold with possible snowfall.
Compared to its region and neighboring countries, Brooklyn's weather is relatively mild. Winters are not as harsh as those in northern states or Canada, and summers are cooler than in southern states or Mexico. However, the city can still experience extreme weather conditions, such as hurricanes and heatwaves.
The chart below displays the average Shortwave Radiation Sum (MJ/m²) for each month of the last year in Brooklyn. It's designed to provide you with a better understanding of the yearly weather and sun exposure.