If you’re hoping to get lost in the rain on your romantic getaway, take a look at these details about year-round temperatures in Ito: The hottest months are usually August and July, with an average temperature of 24°C, while the coldest months are January and February, with an average of 8°C. The rainiest months in Ito are June, September, July and October, with each month seeing an average of 313 mm of rainfall.