Last updated: June 2, 2025
Understanding the UV Index is crucial for residents and visitors of Quwaysina, Egypt, where the sun's intensity can vary dramatically throughout the day. With its hot desert climate, Quwaysina experiences high UV levels, especially between late morning and early afternoon. Being aware of these levels is vital for preventing sunburn and promoting skin health, as prolonged exposure can lead to long-term damage. With peak UV readings reaching as high as 11, it's essential to take precautions during outdoor activities to protect your skin from harmful radiation. Stay informed and enjoy the sunny days safely!
The UV Index throughout the day presents a dynamic picture of sun exposure. As early as 7:00 AM, the index starts at a mild 2, ramping up to a moderate 4 by 8:00 AM. The sun's intensity peaks around 11:00 AM and 12:00 PM with a striking 11, marking the height of caution for outdoor activities. As we move into the afternoon, the index gradually declines, dropping to 8 by 2:00 PM and further to 5 by 3:00 PM. The evening brings relief, with the UV Index decreasing to a 1 by 5:00 PM and finally hitting 0 by 7:00 PM. It’s clear that the midday hours pose the greatest risk, so sun safety measures are essential during those peak times.
Time | UVI | Category | Time to Burn |
---|---|---|---|
07:00 | 2 | low | 45 min |
08:00 | 4 | moderate | 30 min |
09:00 | 7 | high | 25 min |
10:00 | 9 | very high | 15 min |
11:00 | 11 | extreme | 10 min |
12:00 | 11 | extreme | 10 min |
13:00 | 10 | very high | 15 min |
14:00 | 8 | very high | 15 min |
15:00 | 5 | moderate | 30 min |
16:00 | 3 | moderate | 30 min |
17:00 | 1 | low | 45 min |
18:00 | 1 | low | 45 min |
19:00 | 0 | low | 45 min |
Seasonal UV changes indicate a significant rise in UV Index levels from January through May, peaking at 11 (extreme) during the summer months of May to July. The high-risk months for UV exposure are March through October, with particularly hazardous levels from May to July, where burn times drop to just 10 minutes. Visitors and residents are advised to take precautions during these peak months, such as wearing protective clothing, applying sunscreen regularly, and seeking shade during peak sunlight hours. Between November and February, UV levels decrease significantly, allowing for safer outdoor activities, although caution is still warranted on sunny days with moderate levels in January and November.
UV Risk Categories
Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Port Said UVI | 4 | 6 | 9 | 10 | 11 | 11 | 11 | 10 | 9 | 8 | 5 | 4 |
Alexandria UVI | 4 | 6 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 8 | 5 | 4 |
Quwaysina | 5 | 6 | 9 | 10 | 11 | 11 | 11 | 10 | 10 | 8 | 5 | 4 |
Giza UVI | 5 | 7 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 8 | 6 | 5 |
Cairo UVI | 5 | 7 | 9 | 10 | 11 | 11 | 11 | 11 | 10 | 8 | 6 | 5 |
Suez UVI | 5 | 7 | 9 | 10 | 12 | 12 | 12 | 11 | 10 | 9 | 6 | 5 |