Why Do Headaches Increase During Monsoon? Here's the Real Reason
Noopur Kumari | Aug 08, 2026, 14:00 IST
It is not only rain and pakoras that the monsoon brings along, but it can also be associated with headaches. This is caused due to air pressure, humidity, lesser sun exposure, dehydration, and dust allergy. People who get prone to migraines, sinus, and dehydration are more vulnerable to this. The usual forms of headaches during monsoon are migraines, sinus headache, and tension headaches characterized by pain, nasal blockages, and sensitivity to light. The good thing is that prevention through proper hydration, regular eating, adequate sleep, and absence of abrupt change in temperature can keep you from experiencing any monsoon headaches.
Headaches
Image credit : Freepik
Monsoon Season is fun. Rainy roads, fresh winds, tasty pakorasHowever, there is another meaning to the rainy season for many people, and that is a headache. If you experience a headache whenever there is rain, then rest assured that you are not alone. There is a scientific explanation to it. Let’s find out more about it in very easy language.
![Rain Cause Headaches]()
Changes in air pressure:Before and during rainy weather, the pressure changes in the atmosphere. These changes are very much felt by our brain and blood vessels.In case of rapid decline of atmospheric pressure, the blood vessels in the head dilate.
High relative humidity: Humid and sticky air interferes with the body's ability to cool itself down. This condition causes headaches, especially among those who already suffer from migraines.
Less sun : The monsoon months bring with them fewer sun rays. The lack of sun rays leads to a deficiency of serotonin in the brain that causes headaches.
Dehydration : There is less consumption of water in the monsoon as one does not feel thirsty. But the body requires sufficient water, leading to headaches.
Mold and pollen : Along with rain, dust and mold also come along. This leads to a sinus headache.
![Common Headache Types]()
Migraine – Pulsating pain, most often on one side of the head. Sensitivity to light and noise.
Sinus Headache – Pain in and around the eyes, nose, and forehead, with nasal congestion.
Tension Headache – Pressing, band-like pain, caused by stress or lack of sleep.
Migraine sufferers
Those suffering from sinus issues or allergies
Office staff who work in an air-conditioned environment during the day and move to a humid environment outside
Dehydrated individuals
People with insufficient sleep
Senior citizens and hypertensive individuals
Head pain associated with changes in weather
Feeling heaviness or tightness in the forehead area
Nausea (feeling sick to one's stomach) in severe cases
Being sensitive to light or noise
Stuffy nose associated with head pain
Feeling tired and weak
How to
Drink plenty of water – Even when not thirsty, drink water every 1-2 hours.
Take food on time – Missing meals can cause headaches. Take small and healthy meals.
Get enough sleep – Getting 7-8 hours of sleep allows the brain to cope with changes in weather.
Keep house clean and dry – Reduced dust and molds lead to fewer sinus headaches.
temperature change from cold to humid – Avoiding abrupt change in temperature is good.
Control stress – Taking deep breaths or even walking can reduce tension headaches.
Carry a headache kit – Carry some water, food, and approved medication by the doctor.
However, if you suffer from a very painful, persistent, or feverish headache, together with vomiting and blurred vision, then you need to see your doctor.
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Is humidity sufficient to cause a headache?
Yes, high humidity hinders your body from getting cooled and remaining hydrated leading to headaches.
Why do I have head pain alongside my congested nose during monsoon?
The headache experienced is typically a sinus headache; the increased dust, mold, and allergens in monsoon clog up your sinuses resulting in pain near the eyes and forehead.
Does taking adequate amounts of water help in treating monsoon headaches?
Yes, many individuals take less amount of water in monsoon season as they experience thirst less often, but dehydration is a common cause of headaches.
Why Does Rain Cause Headaches?
Rain Cause Headaches
Image credit : Freepik
Changes in air pressure:Before and during rainy weather, the pressure changes in the atmosphere. These changes are very much felt by our brain and blood vessels.In case of rapid decline of atmospheric pressure, the blood vessels in the head dilate.
High relative humidity: Humid and sticky air interferes with the body's ability to cool itself down. This condition causes headaches, especially among those who already suffer from migraines.
Less sun : The monsoon months bring with them fewer sun rays. The lack of sun rays leads to a deficiency of serotonin in the brain that causes headaches.
Dehydration : There is less consumption of water in the monsoon as one does not feel thirsty. But the body requires sufficient water, leading to headaches.
Mold and pollen : Along with rain, dust and mold also come along. This leads to a sinus headache.
Common Headache Types During the Monsoon
Common Headache Types
Image credit : Freepik
Migraine – Pulsating pain, most often on one side of the head. Sensitivity to light and noise.
Sinus Headache – Pain in and around the eyes, nose, and forehead, with nasal congestion.
Tension Headache – Pressing, band-like pain, caused by stress or lack of sleep.
Who Is Most Affected?
Migraine sufferers
Those suffering from sinus issues or allergies
Office staff who work in an air-conditioned environment during the day and move to a humid environment outside
Dehydrated individuals
People with insufficient sleep
Senior citizens and hypertensive individuals
Usual Symptoms
Head pain associated with changes in weather
Feeling heaviness or tightness in the forehead area
Nausea (feeling sick to one's stomach) in severe cases
Being sensitive to light or noise
Stuffy nose associated with head pain
Feeling tired and weak
How to Avoid Headaches During the Monsoon
Drink plenty of water – Even when not thirsty, drink water every 1-2 hours.
Take food on time – Missing meals can cause headaches. Take small and healthy meals.
Get enough sleep – Getting 7-8 hours of sleep allows the brain to cope with changes in weather.
Keep house clean and dry – Reduced dust and molds lead to fewer sinus headaches.
temperature change from cold to humid – Avoiding abrupt change in temperature is good.
Control stress – Taking deep breaths or even walking can reduce tension headaches.
Carry a headache kit – Carry some water, food, and approved medication by the doctor.
When To See A Doctor
However, if you suffer from a very painful, persistent, or feverish headache, together with vomiting and blurred vision, then you need to see your doctor.
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Unlock insightful tips and inspiration on personal growth, productivity, and well-being. Stay motivated and updated with the latest at My Life XP
Frequently Asked Questions (FAQs)
Yes, high humidity hinders your body from getting cooled and remaining hydrated leading to headaches.
Why do I have head pain alongside my congested nose during monsoon?
The headache experienced is typically a sinus headache; the increased dust, mold, and allergens in monsoon clog up your sinuses resulting in pain near the eyes and forehead.
Does taking adequate amounts of water help in treating monsoon headaches?
Yes, many individuals take less amount of water in monsoon season as they experience thirst less often, but dehydration is a common cause of headaches.
