When you're travelling with pets, keeping track of the weather can help you make the trip more safe and fun for everyone. The hottest months are usually August and July, with an average temperature of 13ยฐC, while the coldest months are February and January, with an average of 4ยฐC. The rainiest months in Solund are October, December, September and November, with each month seeing an average of 305 mm of rainfall.