Monthly weather forecast and climate
Osaka, Japan

The Osaka Castle, in Osaka, Japan
The Osaka Castle, in Osaka, Japan

Weather in January

January, like December, is another chilly winter month in Osaka, Japan, with average temperature fluctuating between 9.5°C (49.1°F) and 2.8°C (37°F). The coldest month is January, with an average high-temperature of 9.5°C (49.1°F) and an average low-temperature of 2.8°C (37°F). Weather in January »

Weather in February

The last month of the winter, February, is a fresh month in Osaka, Japan, with average temperature varying between 2.9°C (37.2°F) and 10.2°C (50.4°F). In Osaka, the average high-temperature in February is practically the same as in January - a fresh 10.2°C (50.4°F). Weather in February »

Weather in March

The first month of the spring, March, is a mild month in Osaka, Japan, with temperature in the range of an average high of 13.7°C (56.7°F) and an average low of 5.6°C (42.1°F). In March, the average high-temperature marginally rises, from a cool 10.2°C (50.4°F) in February, to a moderate 13.7°C (56.7°F). Weather in March »

Weather in April

April is an enjoyable spring month in Osaka, Japan, with average temperature fluctuating between 10.7°C (51.3°F) and 19.9°C (67.8°F). In Osaka, Japan, the average high-temperature in April increases, from a mild 13.7°C (56.7°F) in March, to a comfortable 19.9°C (67.8°F). Weather in April »

Weather in May

The last month of the spring, May, is a moderately hot month in Osaka, Japan, with average temperature fluctuating between 24.5°C (76.1°F) and 15.6°C (60.1°F). In May, the average high-temperature marginally rises, from an enjoyable 19.9°C (67.8°F) in April, to a warm 24.5°C (76.1°F). Weather in May »

Weather in June

June, the first month of the summer, in Osaka, is also a moderately hot month, with average temperature fluctuating between 20°C (68°F) and 27.8°C (82°F). In Osaka, the average high-temperature in June marginally rises, from 24.5°C (76.1°F) in May, to a still warm 27.8°C (82°F). Weather in June »

Weather in July

July is a tropical summer month in Osaka, Japan, with average temperature varying between 31.6°C (88.9°F) and 24.3°C (75.7°F). In July, the average high-temperature marginally rises, from a warm 27.8°C (82°F) in June, to a tropical 31.6°C (88.9°F). Weather in July »

Weather in August

The last month of the summer, August, is another hot month in Osaka, Japan, with temperature in the range of an average high of 33.4°C (92.1°F) and an average low of 25.4°C (77.7°F). With an average high-temperature of 33.4°C (92.1°F) and an average low-temperature of 25.4°C (77.7°F), August is the warmest month. The average heat index in August is appraised at an extremely hot 43°C (109.4°F). Weather in August »

Weather in September

September, the first month of the autumn, in Osaka, is also a moderately hot month, with average temperature varying between 21.7°C (71.1°F) and 29.3°C (84.7°F). In Osaka, the average high-temperature in September slightly decreases, from a tropical 33.4°C (92.1°F) in August, to a moderately hot 29.3°C (84.7°F). Weather in September »

Weather in October

October, the same as September, is a moderately hot autumn month in Osaka, Japan, with average temperature fluctuating between 15.5°C (59.9°F) and 23.3°C (73.9°F). In October, the average high-temperature decreases, from 29.3°C (84.7°F) in September, to a still moderately hot 23.3°C (73.9°F). Weather in October »

Weather in November

November, the last month of the autumn, in Osaka, is another comfortable month, with average temperature varying between 17.6°C (63.7°F) and 9.9°C (49.8°F). In November, the average high-temperature drops, from a warm 23.3°C (73.9°F) in October, to a comfortable 17.6°C (63.7°F). Weather in November »

Weather in December

The first month of the winter, December, is still a cool month in Osaka, Japan, with temperature in the range of an average high of 12.3°C (54.1°F) and an average low of 5.1°C (41.2°F). In December, the average high-temperature drops, from a comfortable 17.6°C (63.7°F) in November, to a fresh 12.3°C (54.1°F). Weather in December »
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FAQ

What is the coldest month in Osaka?

January is the coldest month in Osaka, with an average high-temperature of 9.5°C (49.1°F) and an average low-temperature of 2.8°C (37°F).

How much does it rain in Osaka?

Throughout the year, there are 98.1 rainfall days, and 1279.1mm (50.36") of precipitation is accumulated.

When does it snow in Osaka?

Months with snowfall are January and February.

How many days does it snow in Osaka?

In Osaka, during the entire year, snow falls for 15.5 days, and aggregates up to 20mm (0.79") of snow.

When does it snow the most in Osaka?

Months with the most snowfall in Osaka are January and February, with an average 10mm (0.39") of accumulated snow.

What is the month with the least sunshine in Osaka?

With an average of 4.6h of sunshine, January has the least sunshine of the year in Osaka.

When is the sea coldest in Osaka?

February and March, with an average sea temperature of 13.9°C (57°F), are months with the coldest seawater in Osaka.

What are the least humid months in Osaka?

March and April, with an average relative humidity of 59%, are the least humid months.

When it does not snow in Osaka?

In Osaka snow does not fall in March through December.

What is the wettest month in Osaka?

June is the month with the most rainfall. Rain falls for 11.2 days and accumulates 184.5mm (7.26") of precipitation.

When are the longest days in Osaka?

The month with the longest days in Osaka, Japan, is June, with an average of 14.5h of daylight.

What is the most humid month in Osaka?

The most humid month in Osaka is July, with an average relative humidity of 70%.

When is the highest UV index in Osaka?

July is the month with the highest UV index in Osaka, Japan, with an average maximum UV index of 11.

What is the warmest month in Osaka?

With an average high-temperature of 33.4°C (92.1°F) and an average low-temperature of 25.4°C (77.7°F), August is the warmest month in Osaka.

What is the month with the warmest sea water in Osaka?

August is the month with the warmest seawater in Osaka, with an average sea temperature of 27.7°C (81.9°F).

What month has the most sunshine in Osaka?

August has the most sunshine of the year in Osaka, Japan, with an average of 7h of sunshine.

What is the driest month in Osaka?

The month with the least rainfall is December when the rain falls for 5.5 days and typically collects 43.8mm (1.72") of precipitation.

What is the month with the shortest days in Osaka?

With an average of 9.9h of daylight, December has the shortest days of the year in Osaka, Japan.

What is the month with the lowest UV index in Osaka?

With an average maximum UV index of 2, December is the month with the lowest UV index.

Average temperature
Osaka, Japan

Average temperature - Osaka, Japan

The warmest month (with the highest average high temperature) is August (33.4°C).
The month with the lowest average high temperature is January (9.5°C).

The month with the highest average low temperature is August (25.4°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).

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Average humidity
Osaka, Japan

Average humidity - Osaka, Japan

The month with the highest relative humidity is July (70%).
Months with the lowest relative humidity are March and April (59%).

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Average rainfall
Osaka, Japan

Average rainfall - Osaka, Japan

The wettest month (with the highest rainfall) is June (184.5mm).
The driest month (with the least rainfall) is December (43.8mm).

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Average rainfall days
Osaka, Japan

Average rainfall days - Osaka, Japan

The month with the highest number of rainy days is June (11.2 days).
The month with the least rainy days is December (5.5 days).

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Average snowfall
Osaka, Japan

Average snowfall - Osaka, Japan

Months with the highest snowfall are January and February (10mm).
Months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

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Average snowfall days
Osaka, Japan

Average snowfall days - Osaka, Japan

The month with the highest number of snowfall days is February (6.3 days).
Months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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Average sea temperature
Osaka, Japan

Average sea temperature - Osaka, Japan

The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest months (with the lowest average sea temperature) are February and March (13.9°C).

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Average daylight / Average sunshine
Osaka, Japan

Average daylight / Average sunshine - Osaka, Japan

The month with the longest days is June (Average daylight: 14.5h).
The month with the shortest days is December (Average daylight: 9.9h).

The month with the most sunshine is August (Average sunshine: 7h).
The month with the least sunshine is January (Average sunshine: 4.6h).

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