If you’re looking forward to lots of outings with your partner, check out these details about year-round temperatures in Sandisfield: The hottest months are usually July and August with an average temp of 66°F, while the coldest months are January and February with an average of 28°F. The snowiest months in Sandisfield are January, March, February, and November, with each month seeing an average of 7 inches of snowfall.