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 Ciater: The hottest months are usually September and August, with an average temperature of 23°C, while the coldest months are January and July, with an average of 22°C. The rainiest months in Ciater are December, March, November and February, with each month seeing an average of 546 mm of rainfall.