Glenbarr, United Kingdom offers 1 beach perfect for sunbathing, surfing, swimming, and more. Glenbarr, Scotland, United Kingdom, is known for Glenbarr Abbey, a historic house and the ancestral home of the Macalister Clan. The best time to travel to Glenbarr, United Kingdom, is during the summer months of June to August, when the average air temperature is around 15-20°C (59-68°F) and the water temperature is approximately 12-15°C (54-59°F). Sandee provides detailed maps, photos, and reviews from fellow beachgoers to help you Choose Your Beach™ and plan your perfect beach vacation!