The proximity of the Baltic Sea influences the coastal climate. At the most western point, Vilsandi Saar, the mean temperature is 6° C (42.8° F ). At the country's most eastern points, the mean temperature is between 4.2 and 4.5° C (36 to 40° F ). Rainfall averages 50 cm (20 in) on the coast. Inland, rainfall averages 70 cm (28 in). Rainfall is heaviest during the summer and lightest in the spring.
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