London vs Tokyo

Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, Tokyo edges ahead as the better destination in December. Tokyo offers 7 hours of daily sunshine with only 7 rain days, while London sees 4 sunshine hours and 11 rain days.

London is on the cooler side at 8°C, requiring warmer clothing. Tokyo is cooler at 11°C.

For travelers who prioritize dry weather, Tokyo is the stronger choice in December. Tokyo receives 3 more hours of sunshine per day, which matters for sightseeing and outdoor activities.

London reaches an average high of 8°C (46°F) and drops to 3°C (37°F) at night during December. The daily temperature range is 5°C, meaning relatively stable temperatures from day to night.

Tokyo averages 11°C (52°F) for the high and 3°C (37°F) for the low, with a daily range of 8°C. The 3°C difference is noticeable but not dramatic.

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

London receives approximately 58 mm of rainfall across 11 rain days during December. You can expect rain roughly every other day.

Tokyo sees 59 mm over 7 rain days. That makes Tokyo the drier option by 4 rain days and 1 mm of total precipitation.

Both cities share similar humidity levels at 65%.