Copenhagen vs Oslo

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Oslo edges ahead as the better destination in December. Oslo offers 2 hours of daily sunshine with only 11 rain days, while Copenhagen sees 2 sunshine hours and 12 rain days.

Copenhagen is on the cooler side at 4°C, requiring warmer clothing. Oslo is cooler at 0°C.

For travelers who prioritize dry weather, Oslo is the stronger choice in December.

Copenhagen reaches an average high of 4°C (39°F) and drops to 1°C (34°F) at night during December. The daily temperature range is 3°C, meaning relatively stable temperatures from day to night.

Oslo averages 0°C (32°F) for the high and -5°C (23°F) for the low, with a daily range of 5°C. The 4°C difference is noticeable but not dramatic.

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

Copenhagen receives approximately 54 mm of rainfall across 12 rain days during December. You can expect rain roughly every other day.

Oslo sees 69 mm over 11 rain days. That makes Oslo the drier option by 1 rain day and 15 mm of total precipitation.

Both cities share similar humidity levels at 65%.