Tripoli's prevailing climate is typical Mediterranean, with hot dry summers, cool winters, and some modest rainfall.
The dominant climatic influences in Tripoli, a coastal lowland city, are Mediterranean. The city enjoys warm summers and mild winters with an average July temperature of between 22 °C (72 °F) and 29 °C (84 °F). In December temperatures have reached as low as 1 °C (34 °F), but the average remains at between 9 °C (48 °F) and 18 °C (64 °F). The average annual rainfall is less than 400 millimetres (15.7 in), but can be very erratic.