Aspects of the weather go beyond sunshine, heat, cold and rain. They also affect human mood. For example, when the weather is humid, some people feel irritable and tired.
The effects of weather on the mood do not have a straightforward biological explanation. They are mostly psychological depending on how you perceive the weather.
How Does Weather Affect Mood
Lack of sunlight causes Seasonal Affective Disorder (SAD)
When there is no sunshine there are higher chances of getting seasonal Affective Disorder that affects many people from October to April. These months are within the season when daylight is scarce. SAD occurs since exposure to less or no sunlight makes the body to produce more melatonin, a hormone that causes sleepiness. The body starts to crave for mid-day naps while the brain reacts by reducing the production of serotonin. Serotonin is a neurotransmitter that affects mood, sleep, sexual desire, and appetite. The effect of SAD is that it makes you feel sad. If you become sadder by day during winter, it is essential to combat the effects as SAD may subdue your good moods for long. You can combat the syndrome using lights timer to put on the lights soon as you wake up to create an illusion of sunshine. A light therapy is also an alternative if you do not have a timer.
Rain cause pain in nerves and joints
Clouds and rain are more likely to occur when atmospheric pressure decreases. This reduction allows body fluids to move from blood vessels to other tissues. The movement increase pressure on the joints and nerves leading to pain and stiffness. These effects suppress the mod since they reduce mobility. If you experience rain and see rains in a weather forecast, you should begin stretching exercises such as yoga to prevent the pain of shoulders and knees.
Rain also reduces the production of serotonin a chemical neurotransmitter that the brain produces and uses to send signals between nerves. Serotonin affects mood, memory, sleep and social behavior. When rain reduces its production, it affects the mood due to lack of proper communication between the cells.
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The digestive system has a large quantity of serotonin. Lack of sunshine during rainy season causes a dip of this brain chemical which in turn increases cravings for carbohydrates. The reason is that carbohydrates make you feel better during the depression as the spark an immediate increase in serotonin levels. Unfortunate the happiness resulting from the spike only lasts for short time.
Cold temperature causes exhaustion
Cold temperatures reduce sensory feedback, muscle strength, balance, and blood flow. The combination of these effects reduces agility and reduces the energy to perform complex physical tasks. It is the reason why for example you lack the motivation to go out for exercising or work during a chilly morning. Increasing warmth by piling on more warm clothing and movement stimulates blood flow to begin reducing the fatigue.
Sunlight elevates the mood
Sunshine and higher temperature especially after a cold day elevate the mood by increasing serotonin levels. Serotonin makes you happier. Sunlight also hits the optic nerve it triggers the brain to release mood melatonin hormone that controls sleep cycle thus overcoming any sleep disorder that affect mood. Melatonin is also a powerful antioxidant that fights the harmful free radicals that affect immunity. The sign of sunshine just creates a good feeling and positivity. It is one of the reasons why people go out to shop than during the cold season.
Extreme weather causes stress
Weather can stress you physically and emotionally due to extreme conditions such as floods, tornadoes, tsunami, and hurricanes. Such occurrences can stress because of the risk they pause to live and well being. The extreme weather even affects people who are not in the region because it makes them to feel sympathetic or fear it might happen to them.
Despite the dependence on other factors, the weather has a real impact on the mood of many people.