Rùm rest of the British Isles and Scotland, Rùm features a strongly maritime climate with cool summers and mild winters. There is a MetOffice weather station at Kinloch providing long term climate observations. The main range of hills on Rùm are the Cuillin, usually referred to as the "Rùm Cuillin", in order to distinguish them from the Cuillin of Skye. They are rocky peaks of gabbro, forming the Rum layered intrusion. Geologically, Rùm is the core of a deeply eroded volcano that was active in the Paleogene era some 60 million years ago, and which developed on a pre-existing structure of
Scottish island names an anglicisation of "breiðare-øy" meaning "broad beach island". The Norse "holmr", meaning "a small and rounded islet" has become "Holm" in English and there are numerous examples of this use including Corn Holm, Thieves Holm and Little Holm. Etymological details for all inhabited islands and some larger uninhabited ones are provided at Hebrides, Northern Isles, Islands of the Clyde and Islands of the Forth. Based on these tables, for the inhabited off-shore islands of Scotland (and counting Lewis and Harris as two islands for this purpose) the following results apply, excluding Scots/English qualifiers such as "muckle" "east", "little" etc. Scottish