Copenhagen vs Oslo

Copenhagen and Oslo are closely matched in May. Neither city has a clear advantage across all metrics. Your decision should come down to personal preference, cultural interests, and travel logistics rather than weather alone.

Copenhagen sits in the comfortable travel range at 15°C. Oslo is also comfortable at 22°C.

For travelers who prioritize dry weather, Oslo is the stronger choice in May. Copenhagen receives 5 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

Copenhagen reaches an average high of 15°C (59°F) and drops to 8°C (46°F) at night during May. The daily temperature range is 7°C, meaning relatively stable temperatures from day to night.

Oslo averages 22°C (72°F) for the high and 10°C (50°F) for the low, with a daily range of 12°C. There is a notable 7°C gap between the two cities, so expect a very different feel.

Both cities are in the Northern Hemisphere, so they share the same seasonal pattern in May.

Copenhagen receives approximately 51 mm of rainfall across 10 rain days during May. You can expect rain roughly every other day.

Oslo sees 67 mm over 6 rain days. That makes Oslo the drier option by 4 rain days and 16 mm of total precipitation.

Both cities share similar humidity levels at 65%.