Best Time to Visit Oslo for Hiking | Weather by Month

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Outdoor activities Potential

75/100

Good

Based on optimal climate

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Seasonality

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Best Time

June, September, July

Avoid

Avoid (Extreme Weather)

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Weather

-3°C – 17°C

Avg Temp Range

Precipitation

Generally dry

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Good For

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🥾 Planning a hiking trip to Oslo?

The best time to visit Oslo for hiking is June, September, July, when trail conditions are most favorable and the weather is more stable. If you're planning your trip around this period, it can be helpful to look into where to stay and how to organize your hikes in advance.

→ Explore places to stay near hiking areas in Oslo

→ Discover hiking routes and experiences in Oslo

Climate Heatmap

See at a glance which months offer the best outdoor activities conditions — based on temperature, rainfall and climate scores.

Summer offers the most reliable hiking conditions in Oslo, with open trails and longer daylight hours.

→ See where to stay in Oslo

Outdoor activities conditions breakdown

Monthly weather & climate data for Oslo

Month	Climate Score	Predictability	Avg Temp	Max Temp	Rain (mm)	Rain Days	Humidity	Season
January	33Poor Cool temperatures. Some rain conditions.	Predictability 78Weather conditions vary somewhat by season.	-3°	-1°	61	17.1	92%	shoulder
February	36Poor Cool temperatures. Mostly dry conditions.	Predictability 78Weather conditions vary somewhat by season.	-3°	0°	47	15.2	87%	dry
March	39Poor Cool temperatures. Mostly dry conditions.	Predictability 85Weather conditions are fairly consistent throughout the year.	1°	5°	49	12.7	78%	dry
April	39Poor Cool temperatures. Some rain conditions.	Predictability 85Weather conditions are fairly consistent throughout the year.	6°	10°	52	13.8	67%	shoulder
May	64Suboptimal Cool temperatures. Some rain conditions.	Predictability 85Weather conditions are fairly consistent throughout the year.	11°	16°	63	14.2	66%	shoulder
June	75Good Cool temperatures. Some rain conditions.	Predictability 78Weather conditions vary somewhat by season.	14°	20°	79	16	67%	shoulder
July	70Good Mild temperatures. Some rain conditions.	Predictability 78Weather conditions vary somewhat by season.	17°	22°	88	15.4	70%	shoulder
August	66Suboptimal Mild temperatures. High rain conditions.	Predictability 70Weather conditions vary somewhat by season.	16°	21°	108	18.6	74%	shoulder
September	73Good Cool temperatures. Some rain conditions.	Predictability 85Weather conditions are fairly consistent throughout the year.	12°	16°	85	14.4	75%	shoulder
October	30Poor Cool temperatures. High rain conditions.	Predictability 78Weather conditions vary somewhat by season.	6°	9°	101	17.5	84%	shoulder
November	32Poor Cool temperatures. Some rain conditions.	Predictability 78Weather conditions vary somewhat by season.	2°	4°	79	16.9	90%	shoulder
December	32Poor Cool temperatures. Some rain conditions.	Predictability 78Weather conditions vary somewhat by season.	-1°	1°	65	17.3	92%	shoulder