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 Linden: The hottest months are usually September and October, with an average temperature of 27°C, while the coldest months are January and February, with an average of 25°C. The rainiest months in Linden are June, May, July and December, with each month seeing an average of 301 mm of rainfall.