Waterloo, CA has a mild climate throughout the year. Summers are warm and relatively dry with temperatures typically ranging from 65-85 degrees Fahrenheit. Winters are generally mild and wet, with temperatures averaging between 40-60 degrees Fahrenheit. Rainfall is more common during the winter months when precipitation can reach up to five inches per month. Snow is rare in this region, but not unheard of. Waterloo also experiences occasional strong winds that can blow across the city throughout the year due to its location on the northern edge of the Central Valley.
Waterloo, California gets 17 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Waterloo averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 261 sunny days per year in Waterloo. The US average is 205 sunny days.
Waterloo gets some kind of precipitation, on average, 60 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 93 degrees
Winter Low: the January low is 38
Rain: averages 17 inches of rain a year
Snow: averages 0 inches of snow a year