Weather Comparison
Side-by-side weather comparison for May
| Metric | Tokyo | London | Better |
|---|---|---|---|
| Average HighHigher is warmer | 22°C (72°F)▲ | 17°C (63°F) | Tokyo |
| Average LowHigher is milder | 14°C (57°F)▲ | 8°C (46°F) | Tokyo |
| Rain DaysFewer is drier | 11 days | 10 days▲ | London |
| PrecipitationLess is drier | 131 mm | 52 mm▲ | London |
| Sunshine HoursMore is sunnier | 9h/day | 10h/day▲ | London |
| HumidityLower is more comfortable | 65% | 65% | Tie |
| UV IndexLower is safer | 9▲ | 10 | Tokyo |
| Wind SpeedCalmer is better | 23 km/h | 20 km/h▲ | London |
Based on sunshine hours, rain days, comfortable temperatures, and humidity levels, London edges ahead as the better destination in May. London offers 10 hours of daily sunshine with only 10 rain days, while Tokyo sees 9 sunshine hours and 11 rain days.
Tokyo sits in the comfortable travel range at 22°C. London is also comfortable at 17°C.
For travelers who prioritize dry weather, London is the stronger choice in May. London receives 1 more hour of sunshine per day, which matters for sightseeing and outdoor activities.
Tokyo reaches an average high of 22°C (72°F) and drops to 14°C (57°F) at night during May. The daily temperature range is 8°C, meaning moderate variation throughout the day.
London averages 17°C (63°F) for the high and 8°C (46°F) for the low, with a daily range of 9°C. There is a notable 5°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.
Tokyo receives approximately 131 mm of rainfall across 11 rain days during May. You can expect rain roughly every other day.
London sees 52 mm over 10 rain days. That makes London the drier option by 1 rain day and 79 mm of total precipitation.
Both cities share similar humidity levels at 65%.
Highs of 22°C, lows of 14°C, 11 rain days
Highs of 17°C, lows of 8°C, 10 rain days
Pack for both: waterproof jacket, compact umbrella, waterproof shoes. These items are useful in either destination during May.
The table below shows average high temperatures and rain days for every month. May is highlighted for quick reference.
| Month | Tokyo | London | ||
|---|---|---|---|---|
| High | Rain | High | Rain | |
| Jan | 8°C | 6d | 7°C | 11d |
| Feb | 9°C | 8d | 8°C | 10d |
| Mar | 12°C | 12d | 10°C | 10d |
| Apr | 17°C | 11d | 14°C | 11d |
| May | 22°C | 11d | 17°C | 10d |
| Jun | 25°C | 15d | 20°C | 10d |
| Jul | 28°C | 13d | 22°C | 11d |
| Aug | 30°C | 11d | 21°C | 10d |
| Sep | 26°C | 14d | 19°C | 9d |
| Oct | 21°C | 13d | 15°C | 11d |
| Nov | 16°C | 9d | 10°C | 11d |
| Dec | 11°C | 7d | 8°C | 11d |
Tokyo Weather in May
Full forecast, packing tips, and activities
London Weather in May
Full forecast, packing tips, and activities