calimesa average temp
Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 37 degrees Fahrenheit, and moderate during winter with an average difference of 25 degrees Fahrenheit. The annual average precipitation at Calimesa is 19.30 Inches.Winter months tend to be wetter than summer months. The wettest month of the year is January with an average rainfall of 4.18 Inches.he annual average precipitation at Calimesa is 19.30 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is January with an average rainfall of 4.18 Inches.