When you think about the summer months, you probably immediately imagine swimming in the pool or trips to the beach. As fun as those activities might be, they require a lot of time out in the hot sun.

The sun can certainly be pleasurable, but potentially problematic UVA and UVB rays can create serious sunburns if you spend too much time outside. You may not want to spend whole days in the sun, but that doesn’t mean you won’t be spending any time out at all.

Use this guide to help you learn more about how you can avoid serious sunburns in the summer months.

Avoid the Hottest Hours

Some times of day may not feel any hotter than others, but at certain times of day, UVA and UVB rays will be more powerful and likely to burn you. Between 11am and 3pm are generally the worst times to be outside, so if you can avoid them, that is definitely your best bet.

Try going out to the beach in the morning or prepare for a late afternoon arrival. Plan indoor activities or see the sights in the area while you’re traveling so you can be indoors at least part of the time.

Apply Sunscreen Regularly

Sunscreen obviously works to block the harmful rays of the sun. Even if you buy the best SPF 30 sunscreen on the market though, you can’t just apply it once and forget about it if you’re going to be outside for an entire day.

To avoid a sunburn, you’ll have to apply about once every 60 to 90 minutes when you’re in the sun. After swimming and sweating, reapplying sunscreen can also be helpful for blocking as much sun as possible.

Wear Protective Clothing

Protective clothing can be a major help when you’re trying to spend time in the sun without a sunburn. While long sleeved shirts in lightweight materials like linen are better than t-shirts and tank tops, you can invest in clothing that actually blocks UVA and UVB rays from getting to your skin.

For the most part, protective clothing is widely available online, in sporting goods stores and near beach areas. You’ll also need to apply sunscreen on parts of skin that are exposed to the sun, especially on longer days outside.