Taking the local weather in Sutjeska National Park 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 August and July, with an average temperature of 16°C, while the coldest months are January and February, with an average of 0°C. The snowiest months in Sutjeska National Park are January, December, April and November, with each month seeing an average of 15 cm of snowfall.