Oslo Monthly Climate
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Temperature Overview
- Average Daytime Temperature: 11°C (52°F)
- Average Nighttime Temperature: 4°C (39°F)
Rainfall Statistics
- Annual average daily rainfall: 2.4 mm (0.094 inches) per day
- Rainiest month: September with around 3.4 mm (0.134 inches) per day
- Driest month: February with around 1.4 mm (0.055 inches) per day
- Average number of rainy days per year: 128 days
Monthly Weather Conditions
Temperature
Precipitation
Seasonal Breakdown
December-February (Winter)
- Highs: -0-1°C (32-34°F)
- Lows: -6-(-5)°C (21-23°F)
- Rainy Days: 9-11 days per month
- Average Precipitation: 1.9 mm/day
- Cold with frequent snow and limited daylight
March-May (Spring)
- Highs: 5-16°C (41-61°F)
- Lows: -2-7°C (28-45°F)
- Rainy Days: 9-10 days per month
- Average Precipitation: 1.9 mm/day
- Gradually warming with increasing daylight
June-August (Summer)
- Highs: 20-22°C (68-72°F)
- Lows: 11-13°C (52-55°F)
- Rainy Days: 11-12 days per month
- Average Precipitation: 2.9 mm/day
- Mild and pleasant with long daylight hours
September-November (Autumn)
- Highs: 5-16°C (41-61°F)
- Lows: -1-8°C (30-46°F)
- Rainy Days: 11-13 days per month
- Average Precipitation: 3.1 mm/day
- Cooling temperatures with decreasing daylight
Best Time to Visit
The best time to visit Oslo is during summer (June to August) when temperatures are mild and daylight hours are long. However, each season offers unique experiences:
Winter (December-February) brings cold temperatures and snow, creating perfect conditions for winter sports. The city's numerous museums and cultural venues provide warm refuges, while outdoor activities like skiing at Oslo Winter Park and ice skating at Spikersuppa are popular. The Christmas season is particularly festive with holiday markets and illuminations.
Spring (March-May) sees gradually warming temperatures and blooming vegetation. This is an excellent time for outdoor activities in the city's parks and forests, particularly during May when cherry blossoms appear. The Norwegian Constitution Day (May 17) is a highlight with colorful parades and celebrations.
Summer (June-August) offers pleasant temperatures and long daylight hours, perfect for exploring the city's outdoor attractions. This is the best time for hiking in Nordmarka forest, visiting the islands of the Oslo Fjord, and enjoying outdoor cafes and festivals. The Oslo Jazz Festival and Øya Festival are summer highlights.
Autumn (September-November) brings beautiful fall colors to Oslo's parks and forests. While temperatures cool and rainfall increases, this is an ideal time for cultural activities, visiting museums, and enjoying the city's cozy cafes. The autumn colors in Frogner Park and along the Akerselva River are particularly stunning.
Before you go ahead and plan your next visit, make sure to check the weather forecast for your exact travel dates on WhereWeather Website. You can also compare different cities and dates side-by-side.