Weather is probably a major factor when you plan your trip to Murfreesboro, but bear in mind that cheaper options are usually available when the weather isn't as good. The hottest months are usually July and August, with an average temperature of 27°C, while the coldest months are January and February, with an average of 8°C. The rainiest months in Murfreesboro are April, May, March and December, with each month seeing an average of 187 mm of rainfall.