The mistake I made for years was dressing for the temperature instead of for the sun. A vest top in thirty degrees feels right for about forty minutes, and then you spend the back nine with burnt shoulders wishing you had worn a sleeve.
What actually works is the opposite of what feels right: light colours, woven fabric with air moving through it, and more coverage rather than less. A sun hoodie is thinner than a t shirt and cooler in direct sun, which is the single most useful thing to know here. Everything below assumes a walking round with no shade. The modest edit takes the coverage further and the UV protection list handles the sun protection side specifically.
The pieces that matter in heat are the shirt and the hat, and neither is the place to save money. Our guide to the best golf apparel covers what holds up over a season.
A white sun hoodie over a navy skort. It sounds wrong in thirty degrees and it is the coolest thing you can wear, because the fabric is thinner than a t shirt and the sun never touches skin.
A pale blue woven sun shirt with white shorts. Woven fabric moves air where jersey traps it, which is the difference you feel at the twelfth hole rather than the second.
A sleeveless polo with a pleated skort, for a course with real shade. Sleeveless is the right call under trees and the wrong call on an open links, and knowing which is the whole skill.
A white polo, white skort and a proper wide brim hat. The hat does more than any garment here, because it shades the face, ears and the back of the neck at once.
Detachable sun sleeves under a sleeveless top. Sleeves you can remove at the turn are the most flexible thing in a hot weather bag, and they cost less than a shirt.
A light grey polo with white capris. Grey heathers hide sweat far better than a flat pale solid, which matters more in July than any fabric claim on the tag.
A pale yellow sun shirt with navy shorts. Yellow reflects rather than absorbs, and it is visible from three fairways away, which is useful in a busy Saturday field.
A white golf dress with a full length inner short. Dresses are the coolest thing in the category because nothing sits at the waist, provided the liner does not ride.
A striped long sleeve sun shirt over a skort. Coverage without heat is the combination people assume is impossible, and it is simply a question of fabric weight.
A pink sleeveless polo with a white skort. Reliable, light and easy, and the outfit I see most on the women who play at eight in the morning to beat the heat.
A beige sun shirt with a longer skort. Full leg coverage sounds hot and is not, because a thin woven skort shades the thigh instead of letting it burn.
A pale blue polo with a cooling towel over the neck between shots. The towel is the cheapest heat management there is and works better than any shirt technology.
A white sleeveless dress with separate sun sleeves. Everything comes off independently, so the outfit adapts between an exposed front nine and a shaded back nine.
Khaki shorts with a white sun shirt. The most practical hot weather outfit here: khaki hides everything a dry course throws at it and white keeps the torso cool.
A lilac polo with white trousers. Trousers in heat make sense on a course with insects or thorny rough, and a thin white pair is barely warmer than a skort.
A coral sun shirt with beige shorts. Coral is warm enough to flatter and pale enough not to absorb heat, which is a narrow band most bright colours miss.
White top, white skort, white visor. The most classic hot weather look in golf and still the most effective one, because everything reflects and nothing traps.
A navy skort with a white sleeveless top. Dark below is fine because your legs are moving; dark above is what cooks you. That is the rule worth remembering.
A turquoise polo with white shorts. Turquoise holds its colour in strong light where pastels wash out completely, which is why it photographs so well at midday.
A pale green sun shirt with a white skort. Green against green works when the shades are clearly different, and pale green is the easiest version to get right.
Sun hoodie, long skort, wide brim hat and sunglasses. The complete answer for a treeless links in August, and nothing about it is uncomfortable once you have worn it once.