Taking the local weather in Heihe into account is an important factor for planning your visit, especially if you plan to spend your trip by the pool. The hottest months are usually July and August, with an average temperature of 18°C, while the coldest months are January and December, with an average of -17°C. The snowiest months in Heihe are January, February, December and November, with each month seeing an average of 58 cm of snowfall.