Irwindale, California enjoys a Mediterranean climate, which is characterized by hot, dry summers and mild winters. During the summer months, temperatures can reach into the high 90s with low humidity levels. Winters tend to be mild, with temperatures rarely dropping below freezing and precipitation being relatively low throughout the year. This makes it an ideal climate for outdoor activities such as hiking and biking. Additionally, there are several natural areas in the area that visitors can explore.
Irwindale, California gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Irwindale averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 280 sunny days per year in Irwindale. The US average is 205 sunny days.
Irwindale gets some kind of precipitation, on average, 31 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 87 degrees
Winter Low: the January low is 46
Rain: averages 16 inches of rain a year
Snow: averages 0 inches of snow a year