Summer headaches can be caused by more than just heat. Let’s learn about the actual causes of that pain.
Did you know? A study showed that every 5°C rise in temperature increases the risk of headaches by 7.5%. (Source) With India’s hot summers, we cannot afford to ignore this. It is essential to know the causes if you suffer from headaches in the summer season, so you can receive the help and care you need.
This guide will explain the top 7 headache reasons in summer you shouldn’t ignore. So read to the end.
Why Summer Triggers More Headaches Than Other Seasons?
It is a perfect storm of the three factors: Heat, dehydration, and lots of sun. Knowing the top reasons, especially during the summertime, can help you avoid even more serious issues like migraine causes death, although it is rare.
Most Common Headache Reasons You Face During Summer
Let’s break down the 7 main causes of headaches during summer and how you can handle them better.
1. Dehydration

Dehydration leads to headache because of the heat.
What causes it:
- Excessive sweating.
- Not hydrating properly.
- Unbalance of electrolytes.
Symptoms:
- Throbbing pain.
- Dry mouth.
- Dizziness.
Quick tip: Drink 2.5 to 3 litres of water a day. You can also add ORS or lemon water to your water intake.
2. Sunlight Migraine

Sunlight migraine is frequent for light-sensitive individuals.
The Real Fact: The American Migraine Foundation states, 80% of migraine sufferers are light sensitive.
Triggers:
- Sudden exposure to bright light
- Working outside
- Sensitivity to reflected light from surfaces
Solutions:
Wear hats and/or carry umbrellas
Wear UV-protected sunglasses
Also Read
Brain Tumor vs. Migraine: How to Tell the Difference
3. Heatstroke Headache

A headache due to hot weather could be a sign of heat stroke.
Symptoms include:
- Headache with nausea
- Red face and skin
- High body temperature
What to do:
Seek medical help if it gets worse
Get to a cool place now
Drink fluids and rest
4. Excessive Screen Time Indoors

Ironically, to avoid the heat, many people will stay glued to their phones or laptops.
The results can be:
- Eye strain
- Sleep deprivation
- Triggers for migraine/headache or just pain related to light exposure
To avoid:
Poor indoor lighting
Screen time over 2 hours straight, with no break
5. Strong Smells from Summer Items

A room full of perfumes, room fresheners, and even mosquito repellents can trigger and be headache reasons due to direct sunlight and chemical irritation.
How they work:
- They stimulate sensory nerves
- And activate the migraine pathways.
Solution:
Opt for fragrance-free products
Avoid strongly scented products
6. Hormonal Imbalance from Excess Heat

Heat can trigger hormonal fluctuations, especially in women.
Tip: Keep stress low and avoid long exposure to the sun.
Result: More chances of migraine and sunlight sensitivity.
7. Post-COVID Effects

If you have had a COVID headache after sun exposure might be more common.
Why is this?
- Post-viral fatigue
- Increased temperature sensitivity
- Altered immunity
If this is the case, at least see a top neurosurgeon in Hyderabad for the proper diagnosis.
Relatable Blog:
Signs That Indicate You Should See a Neurologist for Your Headache
Table: At a Glance – Summer Headache Triggers and Tips
Cause | Symptom | Quick Fix |
Dehydration | Throbbing pain, dizziness | Drink water, add ORS |
Sunlight | Pain behind the eyes, fatigue | Wear sunglasses, avoid peak hours |
Heatstroke | Nausea, red skin | Rest in shade, drink cool fluids |
Screen time | Eye strain, dull ache | Take 20-20-20 screen breaks |
Strong smells | Nausea, light sensitivity | Avoid scented products |
Hormonal changes | Throbbing or pulsing pain | Cool down, reduce stress |
Post-COVID effects | Frequent headaches, fatigue | Medical check-up, stay hydrated |
How to Prevent Headaches in Summer Naturally?
Simple Prevention Tips
- Do not go outside during the afternoon.
- Put ice packs on the forehead.
- Go to yoga and practice deep breathing.
- Eat hydrating fruits like watermelon.
- Keep a headache diary.
When Should You Worry About a Summer Headache?
Seek the care of a physician if:
- Pain bothers you for more than 2 days.
- You are experiencing changes to your vision or vomiting.
- Pain increases with light and movement.
These symptoms may be indicators of severe migraine or neurological problems.
Consult Experts for Persistent Headaches
If you experience headache due to sunlight frequently, you should see a specialist. Dr. Raveesh Sunkara, one of the most trusted neurosurgeons in Hyderabad, is an expert in treating migraines and complex headache disorders.
Take Back Control of Your Health This Summer!
Don’t let the heat take away your peace of mind. Whether you have a headache in the summer season or persistent migraines, doing something early can prevent bigger problems.
Are you or someone you care about in need of expert help? Trust Dr. Raveesh Sunkara, best neurosurgeon in Hyderabad, and give yourself proper and expert care. For quick consultation, you can visit our website or contact us.
It is your one-stop destination for neurological care.
FAQs
Why do I get headaches during the summer months?
Aside from dehydration, sunlight, heat, and excessive UV exposure can trigger migraine or tension headaches.
Is sunlight a cause of migraine?
Specific individuals can have sunlight migraine, which means they are more sensitive to increased light exposure.
Can a headache from the sun indicate something serious?
There could be times when your headache is that serious, especially if the pain is bad or lasts too long; heatstroke or neurological change may have occurred, so consult your doctor promptly.
What are the signs of a headache that may be dangerous during the summer?
Vomiting, blurry vision, fever, and persistent pain lasting more than 48 hours. All of these conditions require immediate medical attention.
Can hot weather cause headaches everyday?
Yes! If you are dehydrated or allow daily sun exposure without protection or hydration, you may experience headaches on a daily basis