Osaka
Japan
Long-term weather forecast
Long-term weather forecast

Monthly weather forecast and climate
Osaka, Japan

A panoramic view of the Osaka Castle in Osaka, Japan
A panoramic view of the Osaka Castle in Osaka, Japan
January, like December, is another chilly winter month in Osaka, Japan, with average temperature varying between 2.8°C (37°F) and 9.5°C (49.1°F). With an average high-temperature of 9.5°C (49.1°F) and an average low-temperature of 2.8°C (37°F), January is the coldest month. Weather in January »
The last month of the winter, February, is a fresh month in Osaka, Japan, with average temperature fluctuating between 2.9°C (37.2°F) and 10.2°C (50.4°F). In February, the average high-temperature is practically the same as in January - a cool 10.2°C (50.4°F). Weather in February »

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

April is a comfortable 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, the average high-temperature rises, from a mild 13.7°C (56.7°F) in March, to an enjoyable 19.9°C (67.8°F). Weather in April »

May, the last month of the spring, in Osaka, is a moderately hot month, with average temperature varying between 24.5°C (76.1°F) and 15.6°C (60.1°F). In Osaka, the average high-temperature slightly increases, from a comfortable 19.9°C (67.8°F) in April, to a warm 24.5°C (76.1°F). Weather in May »

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

July is a hot summer month in Osaka, Japan, with temperature in the range of an average low of 24.3°C (75.7°F) and an average high of 31.6°C (88.9°F). In July, the average high-temperature slightly increases, from a moderately hot 27.8°C (82°F) in June, to a hot 31.6°C (88.9°F). Weather in July »

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

The first month of the autumn, September, is still a warm month in Osaka, Japan, with average temperature ranging between max 29.3°C (84.7°F) and min 21.7°C (71.1°F). In Osaka, the average high-temperature in September marginally drops, from a tropical 33.4°C (92.1°F) in August, to a warm 29.3°C (84.7°F). Weather in September »

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

November, the last month of the autumn, in Osaka, is also an enjoyable month, with temperature in the range of an average low of 9.9°C (49.8°F) and an average high of 17.6°C (63.7°F). In November, the average high-temperature decreases, from a moderately hot 23.3°C (73.9°F) in October, to a comfortable 17.6°C (63.7°F). Weather in November »

December, the first month of the winter, in Osaka, is still a cool month, with average temperature fluctuating between 5.1°C (41.2°F) and 12.3°C (54.1°F). In Osaka, Japan, the average high-temperature in December decreases, from a comfortable 17.6°C (63.7°F) in November, to a cool 12.3°C (54.1°F). Weather in December »

What is the coldest month in Osaka?

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

How many days does it rain in Osaka?

In Osaka, during the entire year, the rain falls for 98.1 days and collects up to 1279.1mm (50.4") of precipitation.

When does it snow in Osaka?

Months with snowfall in Osaka, Japan, are January and February.

How much does it snow in Osaka?

In Osaka, Japan, during the entire year, snow falls for 15.5 days, and aggregates up to 20mm (0.8") of snow.

What is the snowiest month in Osaka?

Months with the most snowfall in Osaka, Japan, are January and February, with an average 10mm (0.4") of accumulated snow.

What is the month with the least sunshine in Osaka?

January has the least sunshine of the year, with an average of 4.6h of sunshine.

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, Japan.

What are the least humid months in Osaka?

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

When it does not snow in Osaka?

In Osaka snow does not fall in March through December.

What is the rainiest month in Osaka?

The month with the most rainfall in Osaka is June when the rain falls for 11.2 days and typically aggregates up to 184.5mm (7.3") of precipitation.

When are the longest days in Osaka?

With an average of 14.5h of daylight, June has the longest days of the year in Osaka.

What is the most humid month in Osaka?

With an average relative humidity of 70%, July is the most humid month.

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

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

What is the warmest month in Osaka?

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

When is the sea warmest in Osaka?

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

What month has the most sunshine in Osaka?

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

What is the driest month in Osaka?

December is the month with the least rainfall. Rain falls for 5.5 days and accumulates 43.8mm (1.7") of precipitation.

What is the month with the shortest days in Osaka?

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

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

December is the month with the lowest UV index, with an average maximum UV index of 2.
Average temperature - Osaka, Japan
Average humidity - Osaka, Japan
Average rainfall - Osaka, Japan

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

Average rainfall days - Osaka, Japan

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

Average snowfall - Osaka, Japan

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

Average snowfall days - Osaka, Japan

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

Average sea temperature - Osaka, Japan

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

Average daylight / Average sunshine - Osaka, Japan