UV Index
UV Index
Today's UV index in Anchorage, United States 
will be up to 3.7, indicating a moderate 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 reaching up to 3.7 in Anchorage, stay shaded during midday when the sun is strongest; wear protective clothing, a wide-brimmed hat, UV-blocking sunglasses; apply SPF 30+ sunscreen every 2 hours, even on cloudy days; and be cautious of heightened UV on bright surfaces.
Anchorage's UV index varies throughout the year, peaking around 6 in the summer months and dropping to near 0 in winter, reflecting the low sun angle and limited daylight during colder seasons. The city experiences cold, snowy winters and mild summers. Snow often covers the ground from late fall to early spring, while summer brings longer days and temperatures ranging from cool to mildly warm. Transitional seasons, like spring and fall, are brief and can be unpredictable with fluctuating temperatures and occasional rain or snow.
Compared to the rest of Alaska and neighboring Canadian provinces, Anchorage has relatively moderate temperatures due to its coastal location. It is warmer and less extreme than the interior regions of Alaska, which face colder winters and hotter summers. When compared to neighboring U.S. states further south, Anchorage is much colder year-round and receives more snowfall during winter months.
See the UV index hour by hour for Anchorage, along with the temperature and how cloudy it is. If the UV level is higher than moderate, it's best to avoid direct sunlight.