Although weather is just one factor, it can really affect your travel plans, especially when you are planning a longer stay in Mosquito Lake. The hottest months are usually August and July, with an average temperature of 10°C, while the coldest months are February and December, with an average of -7°C. The snowiest months in Mosquito Lake are December, January, November and March, with each month seeing an average of 101 cm of snowfall.