Lab notes #14: How the weather affects us (Wired UK): You're warmer and colder towards people depending on the weather. In studies, warmer conditions induced: greater social proximity; use of more concrete language; and a more relational focus. (1)
People shop more on sunny days: as exposure to sunlight increases, negative effects decrease and consumer spending tends to increase... (2)
...And work more when it pours: on rainy days, men shift on average 30 minutes from leisure to work. (3)