The hot Summer months can be brutal to your skin because of heat and humidity: the amount of moisture levels in the air. Our skin has about 70-80% water which helps preserve skin elasticity and healthy cells. Living in low humidity areas can cause dry skin and can worsen skin conditions such as rosacea and psoriasis. High humidity areas are great for people with dry skin, helping the skin stay supple, but not the best for acne-prone skin. Here’s some tips to help protect your skin in hot, humid conditions: 1. Nourish the skin Use the right cleanser and moisturizer for YOUR skin type. High humidity increases oil production causing.