The Simple Answer :   The color of a star's visible light indicates its surface temperature: a relatively cool star glows red (longer wavelength), and very hot ones glow â¦ bluish-white or even blue (shorter wavelengths).
Over the course of the year, the temperature in Shetland typically varies from 37Â°F to 59Â°F and is rarely below 30Â°F or above 63Â°F. The warm season lasts for 82 days, from June 24 to September 14, with an average daily high temperature above 55Â°F. The hottest day of the year is August 6, with an average high of 59Â°F and low of 52Â°F. The cool season lasts for 133 days, from November 26 to April 8, with an average daily high temperature below 46Â°F.
The hottest day of the year is September 1, with an average high of 87AÂ°87Ã¢ f and low OFÂ°57a. 57Ã¢ f the cold season Lasts from november 19 to march 8 with an average daily high TEMPERATUREÂ°Below. 62a 62Ã¢ f the coldest day of The year, is january 2 with an AVERAGEÂ°Low of 38a 38Ã¢ FÂ°And. high of 56a 56Ã¢ fhe warm season lasts from June 16 to September 25 with an average daily high temperature above 81AÂ°81Ã¢. F the hottest day of the year Is september, 1 with an average high OFÂ°87a 87Ã¢ f and LOWÂ°Of. 57a 57Ã¢ f