Visiting local bars in Trego is better when you know what the weather holds. These rainfall averages and temperatures can help you choose the best time for bar-hopping. The hottest months are usually July and August, with an average temperature of 19°C, while the coldest months are January and February, with an average of -7°C. The snowiest months in Trego are March, April, January and February, with each month seeing an average of 23 cm of snowfall.