UV Index
UV Index
Today's UV index in Suwanee, United States 
will be up to 9.1, indicating a very high level of sun exposure for the average person. Check our tips for today to make sure you're safe in the sun.
Last checked: 2025-05-10
With a UV index of 9.1 in Suwanee, 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.
The UV index in Suwanee, United States, varies throughout the year, typically ranging from low levels in winter to high levels during summer months, peaking around midday. UV radiation is strongest from late spring to early fall.
Suwanee experiences four distinct seasons: hot and humid summers with temperatures often above 85°F (29°C), mild springs and autumns, and cool winters where temperatures can drop below freezing. Rainfall is fairly evenly distributed year-round, with occasional thunderstorms in summer.
Compared to the wider southeastern United States, Suwanee's weather is similar but slightly cooler in winter due to its northern Georgia location. Neighboring states like Alabama and South Carolina have comparable patterns, though coastal areas tend to be warmer and more humid year-round.
See the UV index hour by hour for Suwanee, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.