Question: what is the general range of temperatures of stars (site 1)?
Answer: Type A stars, which are hotter, are white in color and maintain temperatures of around 10,000 °C or 18,000 °F. The hottest of the types, B and O, are blue stars while the coolest of type M is red in color and have surface temperatures of about 3,000 °C or 5,400 °F.