Weather is probably a major factor when you plan your trip to Berastagi, and keep in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually June and May with an average temp of 69°F, while the coldest months are January and July with an average of 69°F. The rainiest months in Berastagi are November, October, December, and April, with each month seeing an average of 19 inches of rainfall.