Climate averages 1991–2020

Weather in Norway.

ClimaNote covers 8 cities in Norway, starting with Oslo, Bergen and Trondheim. Open a city for charts and a table of all 12 months, or open a month for a side-by-side comparison of cities in the atlas.

Across these cities the yearly average high ranges from 8.1°C in Trondheim to 10.7°C in Kristiansand, and yearly precipitation from 827 mm in Fredrikstad to 2,395 mm in Bergen. The hottest city-month is July in Oslo, with an average high of 21.6°C (tied with July in Drammen), and the coolest is January in Lillestrøm, at -2.0°C. By single month, the most precipitation falls in December in Bergen, with 271 mm, and the least in March in Fredrikstad, with 45 mm.

July is the warmest month in 6 cities and August in 1 (in 1 other city two or more months tie); January is the coolest in 6 cities and February in 1 (in 1 other city two or more months tie). August is the wettest month in 3 cities, October in 3, September in 1 and December in 1; February is the driest in 2 cities, April in 2, May in 2 and March in 1 (in 1 other city two or more months tie). Of these cities, 5 have a month with an average high below 2.0°C; none has a month with under 1 mm of precipitation or a month with more than 300 mm of precipitation.