Climate in Oslo (Oslo County), Norway
The graphs below show the monthly weather averages over the year.
The graphs below show the monthly weather averages over the year.
partly cloudy and no rain
almost clear and no rain
clear and no rain
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 -2°C, 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 -15°C.
During summer Oslo is pleasantly warm. Occasionally Oslo experience heat waves from May to August with temperatures up to 33°C. Oslo is not particularly rainy, but rain is seen throughout the year.
During the months of July and August you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.
Other facts from our historical weather data: