Climate Insights for Oslo

The climate in Oslo is cool. The average annual temperature is 6°C and approximately 1,042 mm of precipitation falls per year. Oslo receives a notable amount of rainfall throughout the year, including during its driest month. Oslo is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, December, when temperatures can drop to -7°C. Oslo experiences heavy snowfall, typically from January through December.The climate in Oslo is cool. The average annual temperature is 43°F and approximately 41 in of precipitation falls per year. Oslo receives a notable amount of rainfall throughout the year, including during its driest month. Oslo is in the Northern Hemisphere. Summer begins at the end of June and lasts through September. The summer months are: July, June, August. The coldest months are January, February, December, when temperatures can drop to 20°F. Oslo experiences heavy snowfall, typically from January through December.

Temperatures in Oslo vary considerably across the year, with a 28°C difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 21°C with a mean of 17°C. The coldest month is January, when overnight lows fall to -7°C and the daily average is -4°C. Daily temperature variation is modest, with an average difference of 7°C between highs and lows. The sharpest temperature change occurs between April and May, with a 6°C shift in average temperatures.Temperatures in Oslo vary considerably across the year, with a 50°F difference between the coldest and warmest months. July is the warmest month, though highs remain moderate at 70°F with a mean of 63°F. The coldest month is January, when overnight lows fall to 20°F and the daily average is 25°F. Daily temperature variation is modest, with an average difference of 13°F between highs and lows. The sharpest temperature change occurs between April and May, with a 11°F shift in average temperatures.

Oslo is a moderately rainy area, receiving approximately 1,042 mm of precipitation annually, which averages out to around 87 mm per month. The wettest month is July, averaging 118 mm of rainfall. August and September also tend to see above-average precipitation. The driest month is April, with just 54 mm. That's 64 mm less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Oslo receives heavy snowfall, accumulating around 242cm annually from January through December. The snowiest month is January, with approximately 64cm. Winter travel should account for significant snow cover.Oslo is a moderately rainy area, receiving approximately 41 in of precipitation annually, which averages out to around 3.4 in per month. The wettest month is July, averaging 4.6 in of rainfall. August and September also tend to see above-average precipitation. The driest month is April, with just 2.1 in. That's 2.5 in less than July, the wettest month. Rainfall is relatively evenly distributed throughout the year, so there is no pronounced dry or wet season to plan around. Oslo receives heavy snowfall, accumulating around 95in annually from January through December. The snowiest month is January, with approximately 25in. Winter travel should account for significant snow cover.

Oslo is relatively calm, with an average annual wind speed of 9km/h. For context, sustained winds below 12km/h are generally light, while anything above 25km/h is considered strong. The windiest month is October, averaging 10km/h, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 8km/h, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 2km/h between the calmest and windiest months.Oslo is mildly breezy, with an average annual wind speed of 6mph. For context, sustained winds below 7mph are generally light, while anything above 16mph is considered strong. The windiest month is October, averaging 6mph, though still comfortable for most outdoor activities. The calmest conditions occur in July, with average winds dropping to 5mph, making it an ideal period for wind-sensitive activities. Wind conditions are fairly consistent throughout the year, varying by only 1mph between the calmest and windiest months.

The best time to visit Oslo is during June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 16°C with modest rainfall averaging 90 mm per month. By contrast, July can be uncomfortably hot with highs reaching 21°C, while January is the coldest period with lows dropping to -7°C. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.The best time to visit Oslo is during June, when the weather is most comfortable for travellers. During these months, average temperatures hover around 60°F with modest rainfall averaging 3.5 in per month. By contrast, July can be uncomfortably hot with highs reaching 70°F, while January is the coldest period with lows dropping to 20°F. Despite being the best months overall, some rain is still likely. Pack a waterproof layer and plan a mix of indoor and outdoor activities.

The table below shows monthly climate averages for Oslo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Celsius (°C). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in centimetres (cm) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in kilometres per hour (km/h). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.The table below shows monthly climate averages for Oslo based on historical weather data. Min and max temperatures represent typical overnight lows and afternoon highs for each month, shown in degrees Fahrenheit (°F). Precipitation is measured in millimetres (mm) and indicates the average total rainfall per month. Snow is measured in inches (in) and reflects average monthly snowfall accumulation. Wind speed is the average sustained speed in miles per hour (mph). All values are based on averages from over 10 years of historical weather data. The current month is highlighted for quick reference.