Monthly weather forecast and climate
Ishigaki, Japan

What is the coldest month in Ishigaki?

The coldest month in Ishigaki is January, with an average high-temperature of 20°C (68°F) and an average low-temperature of 15°C (59°F).

How much does it rain in Ishigaki?

In Ishigaki, Japan, during the entire year, the rain falls for 265 days and collects up to 2209mm (87") of precipitation.

What months are the sea coldest in Ishigaki?

January and February, with an average sea temperature of 23°C (73.4°F), are months with the coldest seawater. For individuals prone to feeling cold, swimming in 23°C (73.4°F) is still regarded as intolerable. A wetsuit is not a necessity, but sunshine, wind, and air temperature are essential factors for relishing swimming at 23°C (73.4°F).

What is the driest month in Ishigaki?

February is the month with the least rainfall in Ishigaki. Rain falls for 22 days and accumulates 140mm (5.5") of precipitation.

What is the warmest month in Ishigaki?

The warmest month in Ishigaki is July, with an average high-temperature of 32°C (89.6°F) and an average low-temperature of 27°C (80.6°F).

When is the sea warmest in Ishigaki?

July through September, with an average sea temperature of 29°C (84.2°F), are months with the warmest seawater in Ishigaki. For any water activity, surface water temperatures between 25°C (77°F) and 29°C (84.2°F) are considered as excellent and extremely pleasant for lengthened periods.

What is the rainiest month in Ishigaki?

September is the month with the most rainfall in Ishigaki. Rain falls for 22 days and accumulates 237mm (9.3") of precipitation.
Average rainfall - Ishigaki, Japan

The wettest month (with the highest rainfall) is September (237mm).
The driest month (with the lowest rainfall) is February (140mm).

Average rainfall days - Ishigaki, Japan

Months with the highest number of rainy days are January, November and December (24 days).
Months with the lowest number of rainy days are April, June and July (20 days).

Average sea temperature - Ishigaki, Japan

Best months for swimming (with the highest average sea temperature) are July, August and September (29°C).
Coldest months (with the lowest average sea temperature) are January and February (23°C).

Average daylight / Average sunshine - Ishigaki, Japan

The month with the longest days is June (Average daylight: 13.6h).
The month with shortest days is December (Average daylight: 10.6h).

The month with most sunshine is July (Average sunshine: 8h).
Months with least sunshine are January, February, March, November and December (Average sunshine: 3).

Average UV index - Ishigaki, Japan
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