Weather will likely play an important role when you plan your trip to Alsacia, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually August and September with an average temp of 63°F, while the coldest months are January and December with an average of 61°F. The rainiest months in Alsacia are May, April, October, and June, with each month seeing an average of 30 inches of rainfall.