Weather is probably a major factor when you plan your trip to Berastagi, but bear 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 temperature of 21°C, while the coldest months are January and July, with an average of 20°C. The rainiest months in Berastagi are November, October, December and April, with each month seeing an average of 485 mm of rainfall.