Visiting local bars in Estancia Helsingfors is better when you know what the weather holds. These temperatures and rainfall averages can help you choose the best time for bar-hopping. The hottest months are usually February and January, with an average temperature of 4°C, while the coldest months are August and July, with an average of -1°C. The rainiest months in Estancia Helsingfors are March, April, May and December, with each month seeing an average of 665 mm of rainfall.