Tokyo in May usually sees fair weather conditions, with an average daily high temperature of +73°F and roughly 4 sunny days. However, you should prepare for about 16 rainy days with an average precipitation of 162 mm. The weather is changeable so pack for every eventuality. Search flightsin one click on Avionero.
Average weather
☀️
+73°F
Avg. max. temperature
+45°F
Min.
+91°F
Max.
162 mm
Total precipitation
68%
Avg. humidity
4 m/s
Avg. wind
4 ☀️
Sunny Days
10 ⛅️
Cloudy
16 🌦
Rainy
Our opinion: Tokyo has OK weather in May.
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Average temperature in Tokyo in May
Here are the expected maximum, average and minimum temperatures in Tokyo for May based on the historical data.
Last Year
Historical Data
The temperature in May is +75°F on average, with a range between a maximum of +91°F during the day and a minimum of +52°F at night.
The average maximum temperature goes up 5% by the end of the month, compared with the beginning of the month, from +72°F to +73°F.
Is Tokyo warm or cold in May?
Tokyo is typically warm in May.
Maximum temperatures go up compared to the previous month from +64°F to +73°F. The minimum temperature also goes up from +52°F to +61°F.
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 +60°F to +69°F, with an average of +64°F.The air temperature averaging +73°F is higher than the water temperature.
In May, water temperatures are average relative to the rest of the year:
The warmest water temperatures in Tokyo are reached in August, when the average sea temperature rises to +78°F. The coldest water temperatures are in February, with an average of +57°F.
Can you swim in Tokyo in May?
Water temperature (+64°F) in Tokyo in May might be suited for short swims and acclimatized swimmers might find it refreshing.
🦭
Cold
Below +61°F
🏄♂️
Fresh
61°F - 70°F
🏊
Comfortable
70°F - 77°F
👙
Warm
77°F - 82°F
🔥
Very warm
+82°C and up
Think of bringing a full-body or shorty wetsuit (3mm-5mm thickness) to provide insulation and maintain body heat.
Climate in Tokyo in May
Tokyo weather looks like this, on average, in May and the surrounding months.
April
May
June
Avg. temperature
+64°F
+73°F
+79°F
Min. temperature
+32°F
+45°F
+54°F
Max. temperature
+84°F
+91°F
+100°F
Rainfall
164 mm
162 mm
220 mm
Wind
4 m/s
4 m/s
4 m/s
Avg. water temperature
+60°F
+64°F
+70°F
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 +64°F to +73°F 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.
Wind speed in Tokyo in May based on historical data.
Last Year
Historical Data
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
Amount of rainfall in mm during May in Tokyo based on historical data.
Last Year
Historical Data
A chance of rain on a typical day in May stands at 55%, leading to total precipitation of around 391 mm. The maximum amount of rainfall per day is around 126 mm, which is considered heavy rain.May is a pretty wet month with over 17 rainy days, so don’t forget to pack an umbrella, raincoat, and a pair of wellies.
Here’s how May is compared with other months in the amount of precipitation, total mm:
Tokyo wettest month is October, where a typical day has a 55% chance of precipitation and 233 mm of rainfall per day. January, on the other hand, is the driest month with a mere 32% chance of precipitation and 69 mm of rainfall per day.
How was the weather last May in Tokyo?
This is the weather in Tokyo in May 2023:
1 May
☁️
+71°F
2 May
☀️
+74°F
3 May
☀️
+74°F
4 May
☀️
+78°F
5 May
☁️
+79°F
6 May
☁️
+82°F
7 May
🌧️
+71°F
8 May
☀️
+60°F
9 May
☀️
+69°F
10 May
☁️
+77°F
11 May
☁️
+72°F
12 May
☁️
+71°F
13 May
🌧️
+65°F
14 May
🌧️
+70°F
15 May
🌧️
+67°F
16 May
☀️
+80°F
17 May
☀️
+91°F
18 May
☀️
+91°F
19 May
🌧️
+76°F
20 May
☁️
+72°F
21 May
☁️
+79°F
22 May
☁️
+81°F
23 May
🌧️
+64°F
24 May
☀️
+76°F
25 May
☁️
+75°F
26 May
☁️
+75°F
27 May
☁️
+79°F
28 May
☁️
+75°F
29 May
🌧️
+71°F
30 May
☁️
+75°F
31 May
☁️
+73°F
In May 2023 Tokyo had 9 sunny days, 15 cloudy days, and 7 rainy days. The average maximum temperature was +75°F, with an absolute maximum of +91°F and a minimum of +61°F. The average humidity was 75%, with a maximum of 100% and a minimum of 35%. The average wind speed was 5 m/s, with a maximum of 21 m/s and a minimum of 0 m/s.
Are you planning a trip in May?
Climate Change Over the Years
This is how Tokyo climate has changed over the last 43 years.
The climate in Tokyo in May has not changed that much over the last 43 years.
The average temperature was the lowest in 1984 (+65°F) and the highest in 2023 (+72°F). The driest year was 1984 with only 896 mm of rainfall, and the wettest year was 2021 with 5634 mm.
FAQ
Frequently asked questions about the weather in Tokyo in May:
Is May a good time to visit Tokyo?
It’s always a good time to visit Tokyo, but the weather is changeable in May, so plan a mix of indoor and outdoor activities and exploring, and pack for every eventuality.
Can you sunbathe in Tokyo in May?
May is warm in Tokyo. You may enjoy some beach or pool time in the day, but pack something a tad warmer for the evening.
Can you swim in Tokyo in May?
In general, you can swim in Tokyo in May, if you want to, at an average water temperature of +64°F. But it will feel quite cool, and some precautions are necessary to ensure your comfort and safety.
Is Tokyo rainy in May?
Tokyo is often rainy in May. You may get a bit damp when outside, so pack an umbrella, and maybe even a raincoat.
Is it sunny in Tokyo in May?
Usually, it’s not very sunny in Tokyo in May, often it’s pretty cloudy. Pack for any eventuality; layering can help reduce the number of bulky items needed.
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.
