Monte Rio, CA has a Mediterranean climate with warm, dry summers and mild, wet winters. The average temperature during the summer months is around 70 degrees Fahrenheit and temperatures rarely exceed 90 degrees. During the winter months, daytime highs typically hover around 50 degrees Fahrenheit while nighttime lows can dip down to the low 30s. Rainfall is fairly evenly distributed throughout the year but tends to be most frequent during the winter months. Snow is rare in Monte Rio, but it does occasionally occur in higher elevations of nearby mountains.
Monte Rio, California gets 45 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Monte Rio averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 256 sunny days per year in Monte Rio. The US average is 205 sunny days.
Monte Rio gets some kind of precipitation, on average, 74 days per year. Precipitation is rain, snow, sleet, or hail that falls to the ground. In order for precipitation to be counted you have to get at least .01 inches on the ground to measure.
Weather Highlights
Summer High: the July high is around 82 degrees
Winter Low: the January low is 38
Rain: averages 45 inches of rain a year
Snow: averages 0 inches of snow a year