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).
Stockholm, Sweden has on average the warmest summer of the Nordic countries, with an average maximum temperature of 23 Â°C (73 Â°F) in July; Copenhagen, Oslo and Helsinki have an average July maximum temperature of 22 Â°C (72 Â°F).Contents.n January, the average temperature in Norway is somewhere in between â6 Â°C (21 Â°F) and 3 Â°C (37 Â°F). Like neighboring Norway, Sweden averages â6 Â°C (21 Â°F) to 1 Â°C (34 Â°F) in the month of January. Swedish areas north of the Arctic Circle rarely see the sun rise, due to the natural phenomenon of the polar night.