January weather forecast and climate
Ishigaki, Japan

What is the coldest month in Ishigaki?

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

What is the temperature in January in Ishigaki?

The average high-temperature, in January, in Ishigaki, Japan, is 20°C (68°F), while the average low-temperature is 15°C (59°F).

How many days does it rain in January in Ishigaki?

In January, in Ishigaki, Japan, the rain falls for 24 days. Throughout January, 153mm (6") of precipitation is accumulated.

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 water temperature in January in Ishigaki?

In January, in Ishigaki, Japan, the average sea temperature is 23°C (73.4°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 23°C (73.4°F) water. The Olympic swimming competition requires a water temperature between 25°C (77°F) and 28°C (82.4°F).
Average temperature in January - Ishigaki, Japan
  • Average high temperature in January: 20°C

The warmest month (with the highest average high temperature) is July (32°C).
The month with the lowest average high temperature is January (20°C).

  • Average low temperature in January: 15°C

The month with the highest average low temperature is July (27°C).
The coldest month (with the lowest average low temperature) is January (15°C).

Average rainfall in January - Ishigaki, Japan
  • Average rainfall in January: 153mm

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

Average rainfall days in January - Ishigaki, Japan
  • Average rainfall days in January: 24 days

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 in January - Ishigaki, Japan
  • Average sea temperature in January: 23°C

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 in January / Average sunshine in January - Ishigaki, Japan
  • Average daylight in January: 10.8h

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

  • Average sunshine in January: 3h

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 in January - Ishigaki, Japan
  • Average UV index in January: 7

Months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).

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