Weather in Tokyo

Calculated from weather data of Tokyo Haneda International Airport (RJTT) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	9.9	11.4	9.5	8.6	9.4	10.8
February	11.0	11.6	11.3	9.1	12.9	12.0
March	14.7	13.5	16.6	14.9	16.5	14.9
April	18.9	19.8	20.1	18.6	19.1	17.0
May	23.1		22.8	22.3	23.1	22.8
June	25.8		26.6	26.1	25.8	26.6
July	29.6		32.2	30.6	29.3	27.1
August	31.4		32.7	30.3	30.8	32.8
September	27.2		30.1	27.5	25.1	27.3
October	21.5		22.6	20.8	21.6	20.5
November	17.6		19.0	18.5	17.8	17.6
December	12.2		13.8	12.1	12.0	11.6
Average	19.5	14.1	21.5	20.2	20.3	20.1

36th highest temperature of Japan

Average highest temperature per day

The maximum temperature is typically observed some hours after noon.

Minimum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	3.8	5	4	3	3	6
February	4.7	6	5	3	6	6
March	8.2	7	10	8	10	8
April	12.7	15	14	13	13	11
May	17.2		17	17	18	18
June	20.5		21	21	21	21
July	24.4		26	25	24	23
August	25.9		27	26	25	27
September	22.3		25	23	21	23
October	16.5		17	16	17	16
November	11.8		12	13	12	12
December	6.2		7	7	6	6
Average	13.7	8.0	15.4	14.6	14.4	14.6

46th lowest temperature of Japan

Average lowest temperature per day

The minimum temperature is typically observed just before sunrise.

Cold and hot days

Number of days	2024	2023	2022	2021	2020
30 °C or warmer	0	73	46	36	43
25 °C or warmer	2	117	107	100	98
20 °C or warmer	15	201	173	181	173
0 °C or colder	0	2	1	2	0

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	8.4	7	9	8	13	17
February	11.2	22	9	11	4	7
March	17.7	21	22	9	15	21
April	16.3	18	15	28	14	17
May	17.1		21	21	24	17
June	19.8		18	15	20	25
July	20.2		7	25	25	39
August	15.4		17	18	25	3
September	22.4		18	25	28	23
October	21.0		12	24	20	27
November	10.0		12	11	6	7
December	8.0		4	10	7	9
Average	16.0	17.3	13.7	17.6	17.3	18.0

Precipitation during daylight period

Percentage of observations with observed rain, drizzle, snow or hail. Only observations between sunrise and sunset are taken into account.

Wind speed (km/h)

Month	Average	2024	2023	2022	2021	2020
January	17.8	18	15	19	17	17
February	19.4	23	22	18	19	17
March	19.7	24	17	17	20	22
April	21.8	17	24	20	21	23
May	21.1		23	18	21	20
June	19.6		20	21	17	20
July	21.9		24	23	17	23
August	21.6		22	22	21	20
September	18.9		21	18	17	21
October	18.4		16	18	21	17
November	15.9		18	15	16	16
December	15.1		14	13	17	13
Average	19.6	20.6	19.8	18.8	18.8	19.2

19th highest wind speed of Japan

Average wind speed

Excluding wind gusts. Only observations between sunrise and sunset are taken into account.

Prevailing wind direction

Month	2024	2023	2022	2021	2020
January	N	N	N	N	N
February	N	N	N	SW	N
March	NW	E	E	E	N
April	E	S	E	SE	E
May		S	S	S	S
June		S	S	SE	S
July		S	S	SE	S
August		S	S	S	S
September		SE	E	NE	E
October		NE	NE	NE	NE
November		SW	N	N	NE
December		N	N	N	NE

Prevailing wind direction

Average wind direction, weighed by wind speed. Only observations between sunrise and sunset are taken into account.

Tokyo weather Q&A

What is the warmest month in Tokyo?

The warmest month is August with an average temperature of 31 °C over the past years.

What is the coldest month in Tokyo?

The coldest month is January with an average daytime temperature of 10 °C in the past few years.

Which month is the wettest in Tokyo?

Chance of precipitation is the highest in September with a probability of around 22.4 %.

Which month is the driest in Tokyo?

The least rainfall and snow can be expected in December. The probability is about 8.0 %.