January

Weather in Istanbul in January is cold and wet

Average high : 8.7 °C (47.7 °F)

Average low: 2.9 °C (37.2 °F)

February

Average high 9.1 °C (48.4 °F)

Average low 2.8 °C (37 °F)

March

Average high 11.2 °C (52.2 °F)

Average low 3.9 °C (39 °F)

April

Average high 16.5 °C (61.7 °F)

Average low 7.7 °C (45.9 °F)

May

Average high 21.4 °C (70.5 °F)

Average low 12.0 °C (53.6 °F)

June

Average high 26.0 °C (78.8 °F)

Average low 16.0 °C (60.8 °F)

July

Average high 28.4 °C (83.1 °F)

Average low 18.5 °C (65.3 °F)

August

Average high 28.5 °C (83.3 °F)

Average low 18.7 °C (65.7 °F)

September

Average high 25.0 °C (77 °F)

Average low 15.5 °C (59.9 °F)

October

Average high 20.1 °C (68.2 °F)

Average low 12.0 °C (53.6 °F)

November

Average high 15.3 °C (59.5 °F)

Average low 8.5 °C (47.3 °F)

December

Average high 11.1 °C (52 °F)

Average low 5.3 °C (41.5 °F)