Weather Comparison
Side-by-side weather comparison for December
| Metric | Tokyo | London | Better |
|---|---|---|---|
| Average HighHigher is warmer | 6°C (43°F)▲ | -2°C (28°F) | Tokyo |
| Average LowHigher is milder | -2°C (28°F)▲ | -14°C (7°F) | Tokyo |
| Rain DaysFewer is drier | 3 days | 3 days | Tie |
| PrecipitationLess is drier | 30 mm | 30 mm | Tie |
| Sunshine HoursMore is sunnier | 1h/day | 1h/day | Tie |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 2 | 1▲ | London |
| Wind SpeedCalmer is better | 15 km/h | 15 km/h | Tie |
Tokyo and London are closely matched in December. 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.
Tokyo is on the cooler side at 6°C, requiring warmer clothing. London is cooler at -2°C.
For travelers who prioritize dry weather, both cities are equally dry in December.
Tokyo reaches an average high of 6°C (43°F) and drops to -2°C (28°F) at night during December. The daily temperature range is 8°C, meaning moderate variation throughout the day.
London averages -2°C (28°F) for the high and -14°C (7°F) for the low, with a daily range of 12°C. There is a notable 8°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 December.
Tokyo receives approximately 30 mm of rainfall across 3 rain days during December. Rain is occasional, so a light rain jacket should suffice.
London sees 30 mm over 3 rain days. Both cities are equally rainy this month.
Both cities share similar humidity levels at 65%.
Highs of 6°C, lows of -2°C, 3 rain days
Highs of -2°C, lows of -14°C, 3 rain days
Pack for both: heavy winter coat, thermal base layers, warm gloves and hat, insulated boots, a warm scarf. These items are useful in either destination during December.
The table below shows average high temperatures and rain days for every month. December is highlighted for quick reference.
| Month | Tokyo | London | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 7°C | 3d | 0°C | 3d |
| Feb | 11°C | 3d | 4°C | 3d |
| Mar | 15°C | 4d | 11°C | 4d |
| Apr | 20°C | 5d | 17°C | 5d |
| May | 23°C | 6d | 21°C | 6d |
| Jun | 24°C | 6d | 23°C | 6d |
| Jul | 23°C | 6d | 21°C | 6d |
| Aug | 20°C | 5d | 17°C | 5d |
| Sep | 15°C | 4d | 11°C | 4d |
| Oct | 11°C | 3d | 4°C | 3d |
| Nov | 7°C | 3d | 0°C | 3d |
| Dec | 6°C | 3d | -2°C | 3d |
Tokyo Weather in December
Full forecast, packing tips, and activities
London Weather in December
Full forecast, packing tips, and activities