UV Index
UV Index
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Today's UV index in Boise, United States 
will be up to 3.7, indicating a moderate 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 a UV index reaching up to 3.7 in Boise, 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.
Boise, Idaho's weather is characterized by a high UV index, often reaching extreme levels during the summer months, especially in July and August. This is due to the city's proximity to the Rocky Mountains and its high elevation.
The city experiences four distinct seasons, with warm summers and cold winters. Spring and fall are mild, with moderate temperatures and precipitation. Boise's weather is influenced by its inland location, which makes it different from the coastal climate of the Pacific Northwest region.
Compared to neighboring countries, Boise's weather is similar to that of the Canadian province of British Columbia, with cold winters and mild summers. However, Boise's climate is drier than British Columbia's, with less precipitation throughout the year. This makes Boise's weather distinct from the surrounding region.