If you’re hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Bettmeralp: The hottest months are usually July and August, with an average temperature of 9°C, while the coldest months are January and February, with an average of -8°C. The rainiest months in Bettmeralp are July, August, June and May, with each month seeing an average of 189 mm of rainfall.