Summer Golf: Hydration, Sun Protection, and Playing Your Best in the Heat

Summer heat can ruin your round and risk your health. Learn essential hydration strategies, sun protection tips, and techniques for peak heat performance.

By Marcus Bell, PGA Teaching Professional 2026-05-28

Summer brings the best golf weather of the year — long days, firm fairways, and fast greens. But it also brings heat, humidity, and UV exposure that can wreck your round and, more importantly, your health. Playing smart in the summer heat is the difference between your best golf and a miserable slog.

Hydration: The Most Important Part of Summer Golf

Dehydration doesn't just make you feel bad — it directly impacts your golf performance. Studies show that even mild dehydration (2% body weight loss) reduces concentration, coordination, and decision-making. On a golf course, that translates to more missed putts, poorer club selection, and worse course management on the back nine.

How Much Should You Drink?

• Before the round — Drink 16-20 ounces of water in the hour before your tee time. Starting hydrated is easier than catching up.
• During the round — Drink at least 4-6 ounces every hole (about half a standard water bottle every 3 holes). In extreme heat, increase to 8 ounces per hole.
• After the round — Drink 20-24 ounces for every pound of body weight lost during the round. Weigh yourself before and after to calibrate.

Water vs. Sports Drinks

For rounds under 3 hours in moderate heat, water is sufficient. For longer rounds in high heat and humidity, alternate between water and an electrolyte drink. Sodium, potassium, and magnesium losses from sweat need to be replaced — water alone doesn't do this.

Avoid: Alcohol on the course (dehydrates you further), energy drinks (too much caffeine causes jitters), and soda (sugar and carbonation cause stomach discomfort in heat).

Sun Protection for Golfers

Golfers spend 4-5 hours in direct sunlight per round. Over a season, that's significant UV exposure. Skin cancer is the most common cancer in the United States, and outdoor athletes are at elevated risk.

Sunscreen Strategy

• Use SPF 30 or higher — Apply 30 minutes before your round to allow it to absorb.
• Reapply every 2 hours — Sweat and towel use remove sunscreen faster than you think. The turn is a good reminder to reapply.
• Don't forget ears, neck, and hands — These areas get constant exposure and are commonly missed.
• Use sport-specific sunscreen — It's formulated to resist sweat and won't sting your eyes or make your grip slippery.

Clothing and Accessories

• Wide-brimmed hat — Covers ears and neck. Superior to a standard baseball cap for sun protection.
• UV-protective clothing — UPF-rated shirts and pants provide reliable protection without the need for sunscreen on covered areas.
• Quality sunglasses — Polarized lenses reduce glare and protect your eyes. Look for UV400 or 100% UV protection.

Playing Your Best in the Heat

Beyond staying safe, there are strategic adjustments that help you perform better in summer conditions:

Course Management in Heat

• Club down off the tee — The ball flies farther in hot air (it's less dense). Your driver may carry 5-10 yards longer than in spring.
• Expect firmer greens — Summer greens are typically harder and faster. Land approach shots short of the pin and let them release.
• Play early or late — Tee times before 8 AM or after 4 PM avoid peak heat. Temperatures can differ by 15-20 degrees between noon and early morning.

Physical Management

• Use a cooling towel — Wet it at the turn and drape it on your neck. The evaporative cooling effect is significant.
• Walk in the shade — When choosing between two paths, take the shaded one. Small choices add up over 18 holes.
• Slow down between shots — Save your energy for the actual swing. There's no prize for speed-walking between shots.

FAQ: Summer Golf Safety

What are the signs of heat exhaustion on the course?

Dizziness, nausea, excessive sweating, headache, and muscle cramps are warning signs. If you experience these, stop playing immediately, get to shade, drink water, and cool down. Heat exhaustion can escalate to heat stroke, which is a medical emergency.

Is it safe to play golf in extreme heat?

When heat index exceeds 105°F, the risk outweighs the reward. Consider rescheduling or playing 9 holes instead of 18. No round of golf is worth a trip to the hospital.

Nutrition on the Course

What you eat during a round matters more in summer than any other season. Heat suppresses appetite, so many golfers skip eating and crash on the back nine. Plan your nutrition like you plan your shots:

• Bring portable snacks — Trail mix, granola bars, bananas, and beef jerky provide sustained energy without weighing you down.
• Eat small amounts every 3-4 holes — Grazing is better than a heavy meal at the turn. Your blood sugar stays stable and your focus stays sharp.
• Avoid heavy, greasy food at the turn — A hot dog and chips might taste great, but the digestive effort in heat will make holes 10-14 miserable. Go light — a turkey sandwich or fruit cup is a better choice.

Proper nutrition combined with consistent hydration keeps your energy levels stable throughout the round. The back nine is where most golfers fall apart in summer — and nutrition is usually the difference between a strong finish and a fade.

Track Your Summer Performance

Summer rounds often produce your best scores of the year thanks to better conditions and more consistent play. Track them with Flighting to see how your summer performance compares to the rest of the season. Your milestones don't take a break — neither should you.

Join Flighting to track your rounds and unlock rewards.