Tel Aviv has a Mediterranean climate , and enjoys plenty of sunshine throughout the year. Most precipitation falls in the form of rain between the months of October and April, with intervening dry summers. The average annual temperature is 20.9 °C (69.6 °F), and the average sea temperature is 18–20 °C (64–68 °F) during the winter, and 24–29 °C (75–84 °F) during the summer. The city averages 528 millimeters (20.8 in) of precipitation annually.
Summers in Tel Aviv last about five months, from June to October. August, the warmest month, averages a high of 30.6 °C (87.1 °F), and a low of 25 °C (77 °F). The high relative humidity due to the location of the city by the Mediterranean Sea, in a combination with the high temperatures, creates a thermal discomfort during the summer. Summer low temperatures in Tel Aviv seldom drop below 20 °C (68 °F).
Winters are mild and wet, with most of the annual precipitation falling within the months of December, January and February as intense rainfall and thunderstorms. In January, the coolest month, the average maximum temperature is 17.6 °C (63.7 °F), the minimum temperature averages 10.2 °C (50.4 °F). During the coldest days of winter, temperatures may vary between 8 °C (46 °F) and 12 °C (54 °F). Both freezing temperatures and snowfall are extremely rare in the city.
Autumns and springs are characterized by sharp temperature changes, with heat waves that might be created due to hot and dry air masses that arrive from the nearby deserts. During heatwaves in autumn and springs, temperatures usually climb up to 35 °C (95 °F) and even up to 40 °C (104 °F), accompanied with exceptionally low humidity. An average day during autumn and spring has a high of 23 °C (73 °F) to 25 °C (77 °F), and a low of 15 °C (59 °F) to 18 °C (64 °F).
The highest recorded temperature in Tel Aviv was 46.5 °C (115.7 °F) on 17 May 1916, and the lowest is −1.9 °C (28.6 °F) on 7 February 1950, during a cold wave that brought the only recorded snowfall in Tel Aviv.