Here comes the sun: how the weather affects our mood

Sunshine has repeatedly been found to increase moods, dampen negative moods and reduce tiredness.

People are happier and more helpful when the sun is out. A study showed that Minnesota diners tip more generously in sunny weather and American studies observed better daily stock returns on sunny days. Sunshine also affect our mental sharpness.

Temperature can affect our mind and behaviour separately of sunshine.

• The more the temperature moves away from 20°C, the more discomfort we feel. Higher temperatures are linked to physical and verbal aggression.
• Humidity tends to make people more tired and irritable.
• Atmospheric pressure fluctuations can alter moods and trigger headaches.
• On rainy days, some people report lower satisfaction with their lives.