Annual mean 17°C · wettest around June · prevailing wind E
Warmest
31.6 °C
Coldest
8.3 °C
Wettest
34%
Windiest
4.6 m/s
Prevailing
E
3.7 m/s average
When this place is good five ratings · thirty-six ten-day sections · click a cell to read it
never good
Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Every reading
bars actual · line feels-like, °Cchance of rain, %wind speed, m/ssky covered, %
The average temperature in Tokyo over the whole year is 17°C. August is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 3°C. Tokyo has no sharply defined rainy season: the chance of rain on a given day runs from 14% in January, the driest month, to 29% in June, the wettest. Winds in Tokyo are highest in April, averaging 3.7 m/s (13 km/h), and lightest in December, at 2.8 m/s (10 km/h). The prevailing wind is from the E. The clearest skies in Tokyo come in January, when the sky is typically 43% covered; June is the cloudiest month, at 70%.
Month by month Tokyo climate by month: average temperatures year round · click a month to read it
Month
High
Low
Feels like
Chance of rain
Cloud
Wind
Being outside
Sun
Walking
January
9°C
3°C
4°C
14%
43%
3.0 m/s
0
0
28
February
10°C
4°C
5°C
16%
49%
3.5 m/s
2
0
32
March
13°C
8°C
9°C
26%
57%
3.5 m/s
16
0
60
April
18°C
12°C
15°C
27%
61%
3.7 m/s
49
2
76
May
22°C
17°C
20°C
26%
65%
3.5 m/s
79
15
64
June
25°C
21°C
26°C
29%
70%
3.2 m/s
63
44
28
July
29°C
25°C
31°C
24%
66%
3.3 m/s
19
43
5
August
31°C
26°C
33°C
25%
65%
3.4 m/s
9
34
2
September
27°C
22°C
28°C
27%
70%
3.1 m/s
43
48
17
October
21°C
16°C
20°C
26%
65%
3.1 m/s
69
18
63
November
16°C
11°C
13°C
19%
54%
2.9 m/s
43
0
80
December
11°C
5°C
7°C
15%
46%
2.8 m/s
4
0
51
High and low are the warmest and coolest of four readings a day — midnight, 6am, noon and 6pm — so a true overnight low can sit a degree or two under them. Chance of rain, cloud and wind are the day’s average; feels-like and the three ratings (each out of 100: Good from 55, Ideal from 80) are read at midday.
Seasons, and the year in short Tokyo weather by season
Year round, Tokyo has days of about 9°C at their warmest in January, its coolest month, and 31°C in August, its warmest; the coolest hours of the day run from 3°C to 26°C through the year, and the average temperature over the year is 17°C around the clock. Rain is most likely around June and least likely around January. Every figure here is a decade of observations blended into one representative year, so it reads as what this date is usually like, not a forecast for one particular day.
Tokyo weather in winterDecember to February
High 10°CLow 4°CRain 15%
Winter in Tokyo has typical daily highs of about 10°C and lows of about 4°C, with a 15% chance of rain on a given day.
Tokyo weather in springMarch to May
High 18°CLow 12°CRain 26%
Spring in Tokyo has typical daily highs of about 18°C and lows of about 12°C, with a 26% chance of rain on a given day.
Tokyo weather in summerJune to August
High 28°CLow 24°CRain 26%
Summer in Tokyo has typical daily highs of about 28°C and lows of about 24°C, with a 26% chance of rain on a given day.
Tokyo weather in autumnSeptember to November
High 21°CLow 16°CRain 24%
Autumn in Tokyo has typical daily highs of about 21°C and lows of about 16°C, with a 24% chance of rain on a given day.
When is the rainy season in Tokyo?
Tokyo has no sharply defined rainy season: the chance of rain on a given day runs from 14% in January, the driest month, to 29% in June, the wettest.
What time of year is Tokyo windiest?
Winds in Tokyo are highest in April, averaging 3.7 m/s (13 km/h), and lightest in December, at 2.8 m/s (10 km/h). The prevailing wind is from the E.
What is the average temperature in Tokyo year round?
The average temperature in Tokyo over the whole year is 17°C. August is the hottest month, with highs of about 31°C; January is the coldest, with lows of about 3°C.