Weather in Tokyo in May 2025
Average weather
Average temperature in Tokyo in May
Going from a maximum of +33°C during the day to a minimum of +11°C during the night, the temperature in May averages around +24°C.
The average maximum temperature goes up 5% by the end of the month, compared with the beginning of the month, from +22°C to +23°C.
Is Tokyo warm or cold in May?
Tokyo is typically warm in May.
Maximum temperatures go up compared to the previous month from +18°C to +23°C. The minimum temperature also goes up from +11°C to +16°C.
It’s generally warm, but pack a long-sleeve shirt for evenings.
Take a look at how May is compared to other months in Tokyo:
Water temperature in Tokyo in May
Water in Tokyo in May is Fresh. It varies from +15°C to +20°C, with an average of +18°C. The air temperature averaging +23°C is higher than the water temperature.
In May, water temperatures are average relative to the rest of the year:
Can you swim in Tokyo in May?
Climate in Tokyo in May
| April | May | June | ||||
|---|---|---|---|---|---|---|
| Avg. temperature | ||||||
| +18°C | +23°C | +26°C | ||||
| Min. temperature | ||||||
| 0°C | +7°C | +12°C | ||||
| Max. temperature | ||||||
| +29°C | +33°C | +38°C | ||||
| Rainfall | ||||||
| 164 mm | 162 mm | 220 mm | ||||
| Wind | ||||||
| 4 m/s | 4 m/s | 4 m/s | ||||
| Avg. water temperature | ||||||
| +16°C | +18°C | +21°C | ||||
| Humidity | ||||||
| 63% | 68% | 75% | ||||
| Air pressure | ||||||
| 1013 HPa | 1010 HPa | 1008 HPa | ||||
| Sunny days | ||||||
| 5 | 4 | 1 | ||||
| Cloudy days | ||||||
| 8 | 10 | 9 | ||||
| Rainy days | ||||||
| 16 | 16 | 19 | ||||
| Snowy days | ||||||
| 0 | 0 | 0 | ||||
May weather is still as ok as in April. It’s getting warmer as May arrives. The average maximum temperature goes up from +18°C to +23°C during the day. As May arrives, the amount of rainfall goes down. On average, the rainfall volume decreases from 164 mm to 162 mm. Humidity rises from 63% to 68%. The average wind speed doesn’t change much during May, staying around 4 m/s. The days becoming less sunny, going from 5 sunny days in April to 4 in May.
June brings much the same weather, it remains ok.
Wind
The average wind speed is 5 m/s getting up to 12 m/s which is a medium breeze. You can feel it, especially getting out of the water.
The average wind speed in Tokyo is gradually decreasing during May, going from 5 m/s to 2 m/s over the course of the month.
Rain
How was the weather last May in Tokyo?
Climate Change over Years
The climate in Tokyo in May has not changed much over the last 43 years.
The average temperature was the lowest in 1984 (+18°C) and the highest in 2023 (+22°C). The driest year was 1984 with only 896 mm of rainfall, and the wettest year was 2021 with 5634 mm.
FAQ
Is May a good time to visit Tokyo?
Can you sunbathe in Tokyo in May?
Can you swim in Tokyo in May?
Is Tokyo rainy in May?
Is it sunny in Tokyo in May?
Other cities in Japan
Monthly weather in Tokyo
Source of the data
For this page, we’ve looked at the typical weather in Tokyo, based on historical hourly weather data from January 1, 1979, to December 31, 2023.
For past dates, we show actual recorded data at the location at that time. Forecasts are based on recorded weather during that day of the year, averaged over the total years for which we have records (unless stated otherwise). The daily temperature is the highest recorded temperature in the shadow during that day.