If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Feldkirch: The hottest months are usually July and August with an average temp of 61°F, while the coldest months are January and February with an average of 33°F. The rainiest months in Feldkirch are August, June, July, and May, with each month seeing an average of 7 inches of rainfall.