Last updated: July 2, 2025
Understanding the UV Index in Glendive, Montana, is crucial for protecting your skin and maintaining overall health. With peak UV levels reaching 10 during the summer months, residents and visitors alike should be aware of the risks associated with sun exposure, including painful sunburns and long-term skin damage. Glendive's semi-arid climate (BSk) features plenty of sunshine, elevating UV exposure, particularly around midday when the index is at its highest. By staying informed about daily UV levels, you can take proactive measures to safeguard your skin while enjoying the great outdoors.
As the sun rises, the UV Index starts its ascent, with a gentle 1 at 07:00. By 08:00, it begins to climb, reaching 2, signaling a reminder to take care. The real intensity kicks in at 10:00, where the index peaks at 6, escalating to a scorching 9 by noon. The hottest moment arrives at 13:00, showcasing a dramatic 10—a level that demands serious sun protection. Although the UV level begins to drop after this peak, it remains notable; at 14:00, it settles at 9, then declines gently, hitting 3 by 17:00. As daylight fades towards the evening, it tapers off to 2 at 18:00 and finally returns to a safe 1 by 19:00. It's a vivid reminder of the sun's power throughout the day!
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 1 | low | 45 min |
08:00 | 2 | low | 45 min |
09:00 | 4 | moderate | 30 min |
10:00 | 6 | high | 25 min |
11:00 | 8 | very high | 15 min |
12:00 | 9 | very high | 15 min |
13:00 | 10 | very high | 15 min |
14:00 | 9 | very high | 15 min |
15:00 | 7 | high | 25 min |
16:00 | 5 | moderate | 30 min |
17:00 | 3 | moderate | 30 min |
18:00 | 2 | low | 45 min |
19:00 | 1 | low | 45 min |
Throughout the year, the UV Index experiences significant fluctuations, with high-risk months typically occurring from April to September. During this period, levels reach their peak—10 in June and July, indicating a very high exposure category with a burn time of only 15 minutes. This highlights the importance of taking precautions, such as wearing sunscreen, protective clothing, and seeking shade during peak sun hours. Conversely, the winter months of January, February, and December exhibit low to moderate UV levels (Index 2-4), allowing residents and visitors to enjoy outdoor activities with minimal risk. As UV exposure increases from March onward, it is crucial for everyone to stay informed and adapt their sun protection strategies accordingly.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Glendive | 2 | 4 | 5 | 9 | 8 | 10 | 10 | 9 | 8 | 5 | 3 | 2 |
Chicago UVI | 3 | 4 | 6 | 8 | 9 | 10 | 10 | 9 | 8 | 6 | 4 | 2 |
Brooklyn UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
New York City UVI | 3 | 5 | 6 | 8 | 10 | 10 | 9 | 9 | 8 | 6 | 4 | 2 |
Los Angeles UVI | 4 | 6 | 8 | 9 | 10 | 11 | 11 | 10 | 10 | 7 | 5 | 4 |
Houston UVI | 5 | 8 | 9 | 11 | 11 | 12 | 12 | 11 | 10 | 9 | 7 | 5 |