Bogotá has an oceanic climate bordering on a warm-summer Mediterranean climate (Csb). The average temperature is 14.5 °C (58 °F), varying from 6 to 19 °C (43 to 66 °F) on sunny days to 10 to 18 °C (50 to 64 °F) on rainy days. Dry and rainy seasons alternate throughout the year. The driest months are December, January, July and August. The warmest month is March, bringing a maximum of 19.7 °C (67.5 °F). The coolest nights occur in January, with an average of 7.6 °C (45.7 °F) in the city; fog is very usual in early morning, 220 days per year, whilst clear sky sunny full days are quite unusual.
The official highest temperature recorded within the city limits is 30.0 °C (86 °F), and the lowest temperature recorded is −7.1 °C (19 °F), both at the Guaymaral Airport.
The rainiest months are April, May, September, October, and November, in which typical days are mostly overcast, with low clouds and some winds, bringing maximum temperatures of 18 °C (64 °F) and lows of 7 °C (45 °F).
Because of its low latitude and high altitude, Bogotá has an average of 12 daylight hours and 11+ ultraviolet radiation year-round.