The climate of the Estonia can be described as typical European continental influenced climate with warm, dry summers and fairly severe winters. January is the coldest month with daytime temperatures usually around -5°C, but in some cases winter months can be quite colder with temperatures far below zero, about -20°C or lower and strong, cold northeasterly winds. Heavy snowfall or even snowstorms are also possible on some days. The weather is often breezy and humid due to the proximity of the Baltic Sea.
In summer daytime temperatures reach 20-25°C, but sometimes quite higher, 30°C or more. In most of the time it is dry weather with sunny spells, rain often falls with sometimes heavy Thunderstorms that can occur at the end of the day. July is the warmest month with an average Temperature of 18°C. Annual Precipitation is about 400-600 mm.
Generally, the weather is best May-September, when days are warm and the nights are cool, although it rains more in Spring than in summer. Autumn and Winter are usually a little chilly and wet, sometimes snowy and often foggy.
Required clothing: Light- to medium-weights are worn during the summer nonths. Medium- to heavyweights are needed during winter. Rainwear is advisable all year.
The Climate of Estonia can be classified as Cfb Climate; a warm temperated humid climate with the warmest month lower than 22°C over average and four or more months above 10°C over average.