Zadar has a borderline humid subtropical (Cfa) and Mediterranean climate (Csa), since only one summer month has less than 40 millimetres (1.6 in) of rainfall, preventing it from being classified as solely humid subtropical or Mediterranean. Zadar has mild, wet winters and very warm, humid summers. Average annual rainfall is in excess of 917 mm (36.10 in). July and August are the hottest months, with an average high temperature around 29?30 °C (84?86 °F). The highest temperature ever was 36.3 °C (97 °F) on 4 August 2017. Temperatures can consistently reach over 30 °C (86 °F) during the summer months, but during spring and autumn may also reach 30 °C almost every year. Temperatures below 0 °C (32 °F) are rare, and are not maintained for more than a few days. January is the coldest month, with an average temperature around 7.7 °C (46 °F). On 23 January 1963 was recorded the lowest temperature ever in Zadar, ?9.1 °C (15.6 °F). Through July and August temperature has never dropped below 10 °C (50 °F). October and November are the wettest months, with a total precipitation of about 114 and 119 mm (4.49 and 4.69 in), respectively. July is the driest month, with a total precipitation of around 35 mm (1.38 in). Winter is the wettest season, however it can rain in Zadar at any time of the year. Snow is exceedingly rare, but it may fall in December, January, February and much more rarely in March. On average Zadar has 1.4 days of snow a year, but it is more likely that the snow does not fall. Also the sea temperature is from 10 °C (50 °F) in February to 25 °C (77 °F) in July and August, but is possible to swim from May until October, sometimes even by November. Sometimes in February the sea temperature can drop to only 7 °C (45 °F) and in July exceed 29 °C (84 °F).
