Visiting local bars in Achiltibuie is better in good weather. These temperatures and rainfall averages can help you determine the best time for bar hopping. The hottest months are usually July and August with an average temp of 54°F, while the coldest months are January and February with an average of 39°F. The rainiest months in Achiltibuie are December, October, January, and November, with each month seeing an average of 7 inches of rainfall.