When we think of sun protection, most of us picture a hot, sunny day at the beach. But did you know that some of the most intense sun exposure occurs in unexpected places like high altitudes, snowy landscapes, or while on the water? If you’re packing for a vacation that involves skiing in the mountains, hiking at high elevations, or lounging on a boat, understanding how to protect your skin is essential for a safe and enjoyable trip.

In this guide, we’ll why sun exposure is more intense in these environments and how you can prepare to keep your skin safe during your travels.

Why Sun Exposure Is More Intense at High Altitudes

Planning a mountain getaway for skiing, snowboarding, or hiking? You might be surprised to learn that sun exposure is much stronger at higher elevations. For every 1,000 feet you climb above sea level, UV radiation increases by approximately 10%. That’s because the atmosphere is thinner at higher altitudes, allowing more UV rays to reach your skin.

This means that even in colder climates, your skin is more vulnerable to sunburn, especially if you’re spending hours outdoors. The snow itself can also reflect up to 80% of UV rays, further intensifying the exposure.

How to Protect Your Skin in High Altitudes:

Broad Spectrum Sunscreen: Make sure to use a broad spectrum sunscreen with at least SPF 30 or higher. Apply it generously to all exposed areas of your skin and reapply every two hours, or more frequently if you’re sweating or wiping your face.
Lip Balm with SPF: Don’t forget about your lips! Use a lip balm that contains SPF to avoid painful sunburns in this sensitive area.
Goggles or Sunglasses: UV rays at high altitudes can also affect your eyes, increasing the risk of cataracts and other eye conditions. Wear goggles or sunglasses that block 100% of UVA and UVB rays.
Cover Up: Wear UPF-rated clothing, including a hat or helmet with a brim to shield your face from the sun. A neck gaiter or scarf can also help protect areas of skin that are often missed, like the neck and ears.

Sun Protection in Snowy Environments

Planning a ski holiday or winter escape? It’s easy to forget about sunscreen when it’s cold, but snowy environments can dramatically increase your sun exposure. Snow is one of the most reflective surfaces for UV rays, which means you’re not just getting hit by direct sunlight—you’re also being exposed to rays bouncing off the snow beneath you. This can double your UV exposure and lead to sunburn or even snow blindness (a painful condition caused by UV damage to the eyes).

How to Stay Sun-Safe in Snow:

Double Up on Sunscreen: Given the extra UV exposure from snow reflection, it’s important to apply sunscreen more liberally and frequently than you would in a beach setting. Focus on commonly missed areas like the nose, chin, and under the eyes.
Use a Moisturizing Sunscreen: Cold, dry air can sap moisture from your skin, so choose a moisturizing sunscreen to keep your skin hydrated while offering UV protection.
Shield Your Eyes: Snow blindness can be avoided by wearing polarized goggles or sunglasses with UV protection, even if it’s overcast. The reflective power of snow makes UV rays potent on cloudy days, too.

Sun Safety on the Water

Whether you’re spending your holiday sailing, fishing, or just relaxing by a lake, it’s important to recognize that water can reflect up to 100% of UV rays, increasing your exposure. Combine that with the fact that many people spend more time outdoors when on water-related vacations, and you have a recipe for significant sun exposure.

How to Protect Your Skin on the Water:

Water-Resistant Sunscreen: Choose a water-resistant sunscreen with SPF 30 or higher and reapply after swimming or sweating. Remember that even if your sunscreen is labeled "waterproof," it’s still essential to reapply frequently to maintain protection.
Seek Shade When Possible: Boats, docks, and beaches often lack natural shade, so consider bringing your own. A wide-brimmed UPF-rated hat or UVE-rated umbrella can offer critical protection when you’re unable to find shelter from the sun.
Long-Sleeve UPF Clothing: To minimize sun exposure, consider wearing long-sleeved shirts and pants made from UPF-rated fabric. These items offer the benefit of full coverage without needing constant sunscreen reapplication.

Extra Tips for Sun Safety During Holiday Travel

Here are a few additional tips to keep in mind as you embark on your vacation:

Check the UV Index: Always check the daily UV index before heading outdoors. This helps you gauge the level of UV radiation and take the necessary precautions to protect your skin.
Don’t Forget About Reflection: Remember that snow, water, and even sand can all reflect UV rays, meaning your exposure is higher than it may appear.
Watch the Clock: Just like at the beach, the sun is strongest between 10 AM and 4 PM, no matter where you are. If possible, plan outdoor activities for the early morning or late afternoon when UV radiation is less intense.
Keep Your Skin Hydrated: Both cold, dry air and long days in the sun can leave your skin feeling dry and damaged. Bring along a hydrating moisturizer and apply it after sun exposure to soothe your skin.

The Bottom Line: Prepare for Sun Protection, No Matter the Climate

Whether you’re skiing down a snowy slope, hiking at high altitudes, or enjoying a water-filled vacation, sun protection is essential. These environments can intensify your exposure to UV rays in ways you might not expect, so it’s crucial to take precautions. Packing sunscreen, wearing UV protective clothing, and staying aware of your sun exposure can make all the difference in keeping your skin healthy during your trip.

Live well under the sun!

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