Colusa, CA has a warm Mediterranean climate with hot, dry summers and cool, wet winters. Average temperatures range from 50-90°F (10-32°C) throughout the year. The area receives an average of 19 inches (48 cm) of precipitation annually. Snowfall is rare in the area, with most snowfall occurring in the surrounding mountains. The summer months tend to be quite hot and sunny in Colusa, with temperatures often exceeding 100°F (38°C). Despite these extreme temperatures, humidity levels tend to stay relatively low due to the nearby Pacific Ocean.
Colusa, California gets 24 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Colusa averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 264 sunny days per year in Colusa. The US average is 205 sunny days.
Colusa gets some kind of precipitation, on average, 59 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 95 degrees
Winter Low: the January low is 38
Rain: averages 24 inches of rain a year
Snow: averages 0 inches of snow a year