This showed that the transforming principle is DNA â and, by extension, a gene is made of DNA. Still, many scientists were slow to accept this clear proof that DNA, not protein, is the genetic molecule.
Tromso: Annual Weather Averages. July is the hottest month in Tromso with an average temperature of 12Â°C (54Â°F) and the coldest is January at -4Â°C (25Â°F) with the most daily sunshine hours at 8 in August. The wettest month is October with an average of 130mm of rain. The best month to swim in the sea is in August when the average sea temperature is 12Â°C (54Â°F).
Summer: July and August have the longest days, including the midnight sun, and the most stable weather. During this time Norway showcases its striking landscapes and the weather generally cooperates.Summer temperatures range from 12â18Â°C (52â65Â°F) and frequently exceed 25Â°C (77Â°F) or more.ummer: July and August have the longest days, including the midnight sun, and the most stable weather. During this time Norway showcases its striking landscapes and the weather generally cooperates.