High temperatures create a real risk of overexposure to UV (ultraviolet) radiation.
Dr Debra Jaliman, a dermatologist, told HealthCentral: "When your body gets too much sun, its immune system reacts."
An immune reaction would result in the affected area of skin turning red and becoming sore.
There are other, less tell-tale signs of sun poisoning to be aware of that might not be that obvious.
According to WebMD, another key sign of sun poisoning is a headache.
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Additional signs of sun poisoning can include:
Dermatologist Stephanie Gardner verified sun poisoning is the term used to describe "a severe case of sunburn".
It can take only 15 minutes for unprotected skin to develop a sunburn, but the discomfort may not shop up till a few hours later.
If you do get a sunburn, Gardner confirmed the best piece of advice is to "get out of the sun".
It can be helpful to apply a cool compress, or to take a cool (not cold) shower or bath.
Any pain can be relieved with ibuprofen and skin can be soothes with aloe gel or moisturiser.
"Completely cover sunburned areas when going outside," Gardner certified.
There are times, however, when "immediate medical care" is needed if you have sun poisoning.
Any blistering of the skin that covers a large area, or is very painful, should be looked at.
This is also true of facial swelling, fever and chills, an upset stomach, faintness, and signs of dehydration.
The NHS provides sun safety tips, such as: