Climate in Oslo, Norway

See the monthly weather averages in graphs below.

Average minimum and maximum temperature over the year

The monthly mean minimum and maximum daily temperature. Show in Fahrenheit

Average min and max temperatures in Oslo, Norway   Copyright © 2020 www.weather-and-climate.com

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Average monthly hours of sunshine over the year

This is the monthly total of sunhours

Average monthly sunhours in Oslo, Norway   Copyright © 2020 www.weather-and-climate.com

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Average water temperature over the year

The monthly mean water temperature. Show in Fahrenheit

Average water temperatures in Oslo, Norway   Copyright © 2020 www.weather-and-climate.com

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Average monthly precipitation over the year (rainfall, snow)

This is the mean monthly precipitation, including rain, snow, hail etc. Show in Inches

Average precipitation (rain/snow) in Oslo, Norway   Copyright © 2020 www.weather-and-climate.com

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Average monthly rainy days over the year

This is the number of days each month with rain, snow, hail etc.

Average rainy days (rain/snow) in Oslo, Norway   Copyright © 2020 www.weather-and-climate.com

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Average humidity over the year

This is the mean monthly relative humidity

Average relative humidity in Oslo, Norway   Copyright © 2020 www.weather-and-climate.com

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Average wind speed over the year

This is the mean monthly wind speed (meters per second)

Average wind speed in Oslo, Norway   Copyright © 2020 www.weather-and-climate.com

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What is the best time of year to go to Oslo in Norway

Many people picture Oslo as being a cold place to visit, but Oslo's temperatures are rather moderate for a city located as far north as it is. The average winter temperature in Oslo is only about minus 4 degrees Celsius (around 23 °Fahrenheit), which is a bit warmer than the winter temperatures of most American and some European cities. Visitors however should be prepared for frost from late October until late March/early April. Only occasionally there is deep frost below minus 15 °C (4 °F).

During summer Oslo is pleasantly warm. Occasionally Oslo experience heat waves from May to August with temperatures up to 33 degrees Celsius (over 90 °Fahrenheit). Oslo is not particularly rainy, but rain is seen throughout the year.

Here are some average weather facts we collected from our historical climate data:

  • During the month of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20 degrees Celsius (68°F) and 25 degrees Celsius (77°F).
  • The months of July, August, September, October and November have a high chance of precipitation.
  • The coldest season / winter is in the months of January, February and December.
  • The warmest month is July with an average maximum temperature of 22°C (71°F).
  • The coldest month is January with an average maximum temperature of -2°C (19°F).
  • September is the most wet month. This month should be avoided if you are not a big fan of rain.
  • February is the driest month.
No idea where to travel to this year? We now have a tool which suggests which destination suits your ideal climate conditions. Find out where to go here.