Visiting local bars in Arisaig is better when the weather is good. These temperatures and rainfall averages can help you choose the best time for bar-hopping. The hottest months are usually July and August, with an average temperature of 13°C, while the coldest months are January and February, with an average of 5°C. The rainiest months in Arisaig are October, December, November and January, with each month seeing an average of 200 mm of rainfall.