Okayama weather and climate in 2024
Day
12 °C
Night
3 °C
Sea
17 °C
Precipitation
37 mm
in month
Rainy days
10 days
in month
Daylight
10 hours
average
Sunshine
4 hours
average
Humidity
73 %
Day
12 °C
Night
3 °C
Sea
17 °C
Precipitation
37 mm
in month
Rainy days
10 days
in month
Daylight
10 hours
average
Sunshine
4 hours
average
Humidity
73 %
Overview: Okayama
Weather charts for Okayama
We make the most from 40 years of historical weather data to predict the best weather conditions.
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Weather overview for Okayama
Weather overview
Okayama (Japan) in general has a mild continental climate. The day temperatures range from 9 °C (47 °F) in January to 32 °C (89 °F) in August. Temperatures during the night go from 0 °C (33 °F) in January to 24 °C (75 °F) in August. The least rainy month in Okayama is November with its 9 days of rain, the rainiest month is July, when it rains 14 days.
January weather
The minimum of the day temperature can be noticed, the value of this measure is 9 °C (47 °F) in Okayama, and the minimum of the night temperature is observable too, its value is 0 °C (33 °F). The rainfall amount rise's start could be observed, with its value being 42 mm (1.66 in).
February weather
The beginning of the rise of the day temperature could be noticed, with its value being 10 °C (49 °F) in Okayama. The rise of the rainfall amount can be observed, its value is 55 mm (2.17 in), while the number of rainy days starts to rise, with its value being 11 days.
March weather
The rise of the day temperature can be observed, with its value being 13 °C (56 °F) in Okayama, while the night temperature rise's start could be observed, with its value of 3 °C (38 °F). The rise of the number of rainy days can be observed, with its value being 12 days, and the rainfall amount rises similarly to the previous month too, with its value being 93 mm (3.66 in). The number of sun hours (without clouds) rise's start could be observed, its value is 5 hours. The wind speed is on its maximum in March.
April weather
The tourist season is about to start in April in Okayama. The beginning of the descent of the number of rainy days could be noticed, with its value of 11 days, while the rainfall amount continues to rise. The day temperature continues to rise, its value is 20 °C (67 °F), and the rise of the night temperature can be observed too, its value is 9 °C (48 °F). The rise of the number of sun hours (without clouds) can be observed.
May weather
The ongoing tourist season is noticeable in Okayama. The rise of the day temperature can be observed, its value is 24 °C (74 °F), and the rise of the night temperature can be observed as well, the value of this measure is 14 °C (56 °F). The rise of the rainfall amount can be observed, with its value of 144 mm (5.66 in). The number of sun hours (without clouds) continues to rise, with its value of 7 hours.
June weather
The tourist season is taking place this month in Okayama. The rise of the day temperature can be observed, the value of this measure is 27 °C (80 °F), and the night temperature rises similarly to the previous month too, its value is 18 °C (65 °F). The rise of the rainfall amount can be observed, with its value of 201 mm (7.92 in), while the number of rainy days rise's start could be observed, its value is 13 days. The number of sun hours (without clouds) descent's start could be observed, its value is 5 hours.
July weather
The day temperature continues to rise, its value is 30 °C (87 °F) in Okayama, and the night temperature rises similarly to the previous month too. The number of rainy days reaches its maximum, with its value being 14 days, and the rainfall amount reaches its maximum too, the value of this measure is 211 mm (8.31 in). The ongoing tourist season is noticeable in July. The number of sun hours (without clouds) starts to rise, its value is 6 hours.
August weather
The tourist season continues in Okayama. The number of rainy days descent's start could be observed, its value is 11 days, and the rainfall amount starts to descent as well. The day temperature is on its maximum, the value of this measure is 32 °C (89 °F), and the night temperature is on its maximum too, with its value being 24 °C (75 °F). The maximum of the number of sun hours (without clouds) can be noticed, with its value being 7 hours.
September weather
The tourist season is close to its peak this month in Okayama. The day temperature starts to descent, with its value of 28 °C (82 °F), and the night temperature starts to descent as well, with its value being 20 °C (68 °F). The number of rainy days starts to rise, the value of this measure is 13 days, and the rainfall amount rise's start could be observed too, the value of this measure is 186 mm (7.33 in). The number of sun hours (without clouds) descent's start could be observed, its value is 5 hours.
October weather
The ongoing tourist season is noticeable in Okayama. The descent of the day temperature can be observed, its value is 22 °C (72 °F), and the night temperature descents similarly to the previous month too, with its value of 13 °C (56 °F). The rainfall amount descent's start could be observed, its value is 100 mm (3.96 in), and the number of rainy days starts to descent as well, with its value being 10 days.
November weather
The day temperature continues to descent in Okayama, and the night temperature descents similarly to the previous month too, the value of this measure is 7 °C (45 °F). The number of rainy days is on its minimum, the value of this measure is 9 days, while the rainfall amount descents similarly to the previous month, with its value being 63 mm (2.49 in). The wind speed reaches its minimum, the value of this measure is 3. The number of sun hours (without clouds) descent's start could be observed, with its value being 4 hours.
December weather
The descent of the day temperature can be observed, with its value of 12 °C (53 °F) in Okayama, and the night temperature continues to descent as well, its value is 3 °C (37 °F). The minimum of the rainfall amount is observable, the value of this measure is 37 mm (1.46 in), while the beginning of the rise of the number of rainy days could be noticed, the value of this measure is 10 days. The number of sun hours (without clouds) reaches its minimum in this month. The day length is on its minimum, with its value of 10 hours.
FAQs
What is the average number of rainy days in April in Okayama?
There are 11 days, which are rainy in April in Okayama, 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 2.6 days of the week, or in general - 37 % days.
What is the air temperature in Okayama in May at night?
The average night temperature in May in Okayama is 14 °C (56 °F). Nights can be cooler, morning running can be refreshing but choose appropriate clothing, evening outdoor sitting can be pleasant but you can also be cold. This value is 5 °C (41 °F) higher than last month.
Is June a good month to visit Okayama?
June is a good month to visit Okayama. The daily temperatures in this month reach pleasant 27 °C (80 °F). At night, temperatures hover around a pleasant 18 °C (65 °F). A sea temperature of 21 °C (70 °F) can seem colder to some, but others will call it refreshing.
Is there a wet season in Okayama in July?
No, there is no wet season in July in Okayama - you can expect 14 days of rain during the month.
Is it hot in Okayama in August?
In Okayama in August, you will enjoy nice warm weather, but it will also be pleasant and you probably won't feel hot.
What is the sea temperature in September in Okayama?
In September in Okayama expect the sea to be warm at 26 °C (79 °F). Seems like an ideal temperature for swimming, you can stay in the sea for a long time and enjoy it as well.
What is the temperature in Okayama during the day in October?
In Okayama in October, the average daily temperatures will be 22 °C (72 °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. In absolute terms, the decrease compared to the last month is 6 °C (42 °F). Lighter clothing will be suitable - shorts, skirts, t-shirts, jackets; a light sweater and long trousers may also be useful.
How windy is Okayama in November?
An average wind scale that can be expected in November in Okayama is 3. It is rather a milder or unnoticeable wind, therefore it will not bother you during your holiday.
How many hours of sun to expect in December in Okayama?
In Okayama in December, you can expect around 4 hours of sunshine.
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.