Weather in Ōsaka

Calculated from weather data of Kansai International Airport (RJBB) between 2020 and 2024.

Maximum temperatures (°C)

Month	Average	2024	2023	2022	2021	2020
January	9.3	9.8	9.4	8.4	8.5	11.4
February	9.8	10.5	9.5	8.0	11.0	11.1
March	13.5	11.6	14.8	13.5	14.5	14.0
April	18.0	18.6	18.1	18.1	17.3	16.6
May	22.6		21.8	21.5	21.6	23.5
June	25.7		24.8	25.8	24.8	26.8
July	29.7		30.5	29.6	28.8	27.8
August	31.3		31.3	31.3	29.6	32.1
September	27.8		29.5	28.3	26.3	27.5
October	22.1		22.3	22.0	22.6	21.3
November	17.3		17.6	18.5	17.1	17.6
December	11.7		12.5	11.5	11.8	11.5
Average	19.1	12.6	20.2	20.0	19.5	20.1

46th 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	4.9	5	5	4	4	7
February	5.0	6	5	4	6	6
March	7.9	7	9	8	9	8
April	12.2	14	13	13	12	11
May	16.6		17	16	17	17
June	20.4		21	21	21	21
July	24.7		25	25	25	23
August	26.1		27	27	25	27
September	22.9		25	23	23	23
October	17.3		17	17	18	17
November	12.3		12	13	12	13
December	7.4		8	8	8	8
Average	14.0	8.0	15.3	15.2	14.8	15.0

52nd 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	44	37	18	33
25 °C or warmer	0	105	106	108	108
20 °C or warmer	7	185	169	170	175
0 °C or colder	0	1	0	0	0

Precipitation (%)

Month	Average	2024	2023	2022	2021	2020
January	12.2	13	14	9	14	9
February	13.0	21	15	9	7	13
March	15.7	26	10	15	17	17
April	14.7	18	18	16	16	11
May	16.2		20	17	27	10
June	17.3		25	15	19	17
July	16.5		12	13	15	34
August	12.1		18	7	27	1
September	15.5		10	14	21	18
October	15.1		10	14	5	15
November	9.2		16	12	8	8
December	9.9		18	12	5	5
Average	14.6	19.6	15.4	12.8	15.6	13.6

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	19.6	19	20	19	20	20
February	17.9	17	17	22	18	18
March	16.3	17	14	15	16	17
April	16.4	13	19	17	16	18
May	14.4		17	12	16	15
June	15.0		13	17	13	17
July	16.3		19	16	15	18
August	17.3		19	16	19	15
September	15.8		17	19	12	17
October	16.8		16	17	16	17
November	15.7		18	15	16	15
December	20.9		20	22	24	21
Average	16.8	16.5	17.2	17.0	16.5	17.1

31st 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	NW	NW	NW	NW	NW
February	N	N	NW	NW	NW
March	NW	NW	N	N	NW
April	NW	W	NW	NW	W
May		W	W	SW	W
June		W	SW	W	SW
July		SW	SW	SW	SW
August		SW	SW	SW	SW
September		W	N	NW	W
October		NW	N	N	N
November		NW	N	NW	N
December		NW	NW	NW	NW

Prevailing wind direction

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

Ōsaka weather Q&A

What is the warmest month in Ōsaka?

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

What is the coldest month in Ōsaka?

The coldest month is January with an average daytime temperature of 9 °C in the past few years.

Which month is the wettest in Ōsaka?

Chance of precipitation is the highest in June with a probability of around 17.4 %.

Which month is the driest in Ōsaka?

The least rainfall and snow can be expected in November. The probability is about 9.3 %.