The best time to visit Lithuania is during the summer months, which is also when destinations in the southern parts of Europe are often unbearably hot. In summer, the highest daily temperatures are between 20-30 °C. The summer season takes place between the months of June and August, with July and August the warmest of them. The temperature of seawater approaches 20 °C only as late as in July.
The summerlike weather continues until Mid-September, but towards the end of the month, the daily highs begin to drop to about 10-15 °C. In October, the temperatures continue to decline, and towards the Christmas, the daytime temperatures approach 0 °C.
The coldest months of the year are January and February. You can also expect snow during those months. The highest daily temperatures vary between 0 and -10 °C.
Snow begins to melt away during March as the temperatures rise above zero degrees. In April, the daily highs increase to about 10 °C. The sunny days of April are excellent for a visit in the Lithuanian towns of Vilnius, Kaunas and Klaipeda.