Quick Answer
Sun protection during the winter in deserts is crucial, as the sun's rays can be just as intense, if not more so, due to the low angle of the sun and the dry air that allows it to penetrate deeper.
Desert Sun’s Deceptive Nature
The winter sun in deserts may seem less intense due to the lower temperatures, but this is an illusion. The sun’s rays can be as much as 30% stronger at an angle, causing increased UV radiation and heat. In areas like Death Valley, the sun’s rays can still reach temperatures of 120°F (49°C) on a cloudy day.
Preventing Skin Damage and Sunburn
To prevent skin damage and sunburn, it’s essential to use a broad-spectrum sunscreen with a high SPF (at least 30) and apply it liberally every two hours. In addition to sunscreen, wear protective clothing, including a wide-brimmed hat, long-sleeved shirt, and pants. Don’t forget to protect your eyes with sunglasses that block 99-100% of UVA and UVB rays.
Staying Safe in the Desert Heat
When venturing out into the desert during winter, it’s crucial to stay hydrated by drinking at least one gallon of water per person per day. Avoid strenuous activities during the peak sun hours (10am-4pm) and take regular breaks in shaded areas. Monitor your body temperature and watch for signs of heat exhaustion, such as headaches, nausea, and fatigue.
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