Osaka (Japan) is a place with a mild continental climate. Temperatures during the day are in the range from 8.9 °C (48.0 °F) in January to 32.7 °C (90.9 °F) in August. The driest month is January with just 8 days of rain, on the contrary, the month when it rains the most is July with 14 days of rain. Temperatures during the night go from 2.0 °C (35.6 °F) in January to 24.6 °C (76.3 °F) in August.

January weather

The day temperature is on its minimum in Osaka, while the descent of the sea temperature can be observed, its value is 14.7 °C (58.5 °F). The minimum of the night temperature can be noticed in this month. The minimum of the number of sun hours (without clouds) can be noticed, the value of this measure is 4 hours. The number of rainy days reaches its minimum in this month. The maximum of the wind speed is observable, with its value being 3.6.

February weather

The day temperature rise's start could be observed in Osaka, while the minimum of the sea temperature is observable, with its value being 13.5 °C (56.3 °F). The number of rainy days starts to rise, with its value being 10 days, and the beginning of the rise of the rainfall amount could be noticed as well, the value of this measure is 62 mm (2.45 in).

March weather

The rise of the day temperature can be observed, with its value of 13.4 °C (56.1 °F) in Osaka, while the beginning of the rise of the night temperature could be noticed in this month. The rise of the number of rainy days can be observed, the value of this measure is 11 days, and the rise of the rainfall amount can be observed too, the value of this measure is 104 mm (4.11 in). The number of sun hours (without clouds) starts to rise in this month. The humidity is on its minimum, with its value being 63 %.

April weather

The beginning of the rise of the sea temperature could be noticed, the value of this measure is 15.0 °C (59.1 °F) in Osaka, while the day temperature continues to rise, with its value being 19.6 °C (67.3 °F). The number of rainy days starts to descent, the value of this measure is 11 days, while the rainfall amount rises similarly to the previous month. The night temperature continues to rise, with its value being 9.8 °C (49.6 °F). The number of sun hours (without clouds) continues to rise, with its value being 6 hours.

May weather

The day temperature rises similarly to the previous month, its value is 24.0 °C (75.2 °F) in Osaka, and the sea temperature rises similarly to the previous month as well, with its value being 17.6 °C (63.6 °F). The rainfall amount rises similarly to the previous month, its value is 146 mm (5.74 in). The rise of the night temperature can be observed, with its value being 14.6 °C (58.3 °F). The tourist season is at its beginning. The number of sun hours (without clouds) continues to rise.

June weather

The day temperature continues to rise, with its value being 27.3 °C (81.1 °F) in Osaka, and the rise of the sea temperature can be observed too. The tourist season is taking place. The rainfall amount is on its maximum, with its value of 196 mm (7.70 in), while the number of rainy days starts to rise. The night temperature rises similarly to the previous month, with its value being 19.3 °C (66.7 °F).

July weather

The day temperature continues to rise, the value of this measure is 31.0 °C (87.8 °F) in Osaka, and the sea temperature rises similarly to the previous month as well, with its value being 24.3 °C (75.8 °F). The maximum of the number of rainy days is observable, with its value of 14 days, while the rainfall amount descent's start could be observed. The minimum of the wind speed is observable, with its value of 3.0. The humidity reaches its maximum in July.

August weather

The maximum of the sea temperature can be noticed, the value of this measure is 26.7 °C (80.0 °F) in Osaka, and the day temperature reaches its maximum as well in August. The number of rainy days descent's start could be observed, the value of this measure is 11 days, while the descent of the rainfall amount can be observed, its value is 98 mm (3.88 in). The night temperature is on its maximum, with its value of 24.6 °C (76.3 °F). The maximum of the number of sun hours (without clouds) can be noticed, the value of this measure is 6 hours.

September weather

The beginning of the descent of the day temperature could be noticed, with its value of 28.4 °C (83.1 °F) in Osaka, and the sea temperature descent's start could be observed too in September. The tourist season is about to start this month. The number of rainy days starts to rise, its value is 13 days, and the beginning of the rise of the rainfall amount could be noticed as well, with its value of 166 mm (6.53 in). The beginning of the descent of the night temperature could be noticed, with its value being 20.7 °C (69.3 °F).

October weather

The day temperature descents similarly to the previous month, the value of this measure is 22.7 °C (72.9 °F) in Osaka, and the sea temperature descents similarly to the previous month as well, with its value of 22.6 °C (72.6 °F). The tourist season is taking place. The rainfall amount descent's start could be observed, with its value being 114 mm (4.49 in), and the number of rainy days descent's start could be observed as well in this month. The descent of the night temperature can be observed, with its value being 14.4 °C (57.9 °F).

November weather

The descent of the sea temperature can be observed, its value is 19.5 °C (67.1 °F) in Osaka, and the day temperature descents similarly to the previous month too, its value is 17.0 °C (62.6 °F). The number of rainy days continues to descent, with its value of 8 days, and the rainfall amount continues to descent too, with its value being 67 mm (2.63 in). The number of sun hours (without clouds) descent's start could be observed, with its value of 5 hours. The night temperature descents similarly to the previous month, its value is 8.8 °C (47.8 °F).

December weather

The descent of the day temperature can be observed, its value is 11.5 °C (52.7 °F) in Osaka, and the sea temperature continues to descent as well, the value of this measure is 16.9 °C (62.3 °F). The minimum of the rainfall amount can be noticed, the value of this measure is 44 mm (1.75 in). The night temperature descents similarly to the previous month. The day length reaches its minimum in December.

FAQs

How humid is Osaka in March?

In Osaka in March, expect humidity around 63 %.

How many rainy days can I expect in April in Osaka?

There are 11 days, which are rainy in Osaka in April, that is, days with precipitation more than 2 mm (0.08 in). Converted to days of the week, this means that it will occur on an average of 2.5 days of the week, or in general - 36 % days.

Are there good conditions to visit in May in Osaka?

In May in Osaka, there are ideal conditions for a vacation. There are some people, who may feel a slight chill at 24.0 °C (75.2 °F), but others will feel perfectly fine. The temperature of 14.6 °C (58.3 °F) at night may make it better to dine inside or to put on more clothes for a dinner outside.

What is the sea temperature in Osaka in June?

The temperature of the sea in Osaka in June is 20.9 °C (69.7 °F). The sea at this temperature is quite cold, but it is already possible to stay in it for a long time and it is pleasantly refreshing on hot, steamy days.

What is the air temperature in Osaka in July at night?

The average night temperature in July in Osaka is 23.6 °C (74.5 °F). A very pleasant temperature for long evening walks, fun over a drink outside, or doing sports in the morning. If possible, look for a hotel with air conditioning.

Is there a wet season in Osaka in August?

No, there is no wet season in August in Osaka - you can expect 11 days of rain during the month.

Is it hot in Osaka in September?

In September in Osaka, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.

What temperature can I expect during the day in October in Osaka?

In Osaka in October, the average daily temperatures will be 22.7 °C (72.9 °F). A comfortable temperature for most people, where it is neither too cold nor too hot, and a large number of activities can be carried out comfortably, including sunbathing by the water. Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.

How many sunny hours can I expect in November in Osaka?

In November in Osaka, you can expect around 5 hours of sunshine.

How windy is it in December in Osaka?

An average wind scale that can be expected in December in Osaka is 3.4.