Most of Croatia, including Slavonia, has a moderately warm and rainy continental climate as defined by the Köppen climate classification. Mean annual temperature averages , with the warmest month, July, averaging just below . Temperature peaks are more pronounced in the continental areas—the lowest temperature of was recorded on 24 January 1963 in Slavonski Brod, and the highest temperature of was recorded on 5 July 1950 in Đakovo. The least precipitation is recorded in the eastern parts of Slavonia at less than per year, however in the latter case, it mostly occurs during the growing season. The western parts of Slavonia receive precipitation. Low winter temperatures and the distribution of precipitation throughout the year normally result in snow cover, and freezing rivers—requiring use of icebreakers, and in extreme cases explosives, to maintain the flow of water and navigation. Slavonia receives more than 2,000 hours of sunshine per year on average. Prevailing winds are light to moderate, northeasterly and southwesterly.