Calistoga in 94515 has a Mediterranean climate, characterized by hot, dry summers and mild winters with moderate rainfall. The average temperatures throughout the year range from low fifties to mid-eighties Fahrenheit. Summers are usually sunny with very little rainfall and occasional afternoon breezes to cool things off. Winters are generally mild with occasional rainy days and occasional snowfall in the higher elevations. It is typically one of the sunniest places in California, with an average of over 300 days of sunshine each year.
Calistoga (zip 94515), California gets 37 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Calistoga (zip 94515) averages 0 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 262 sunny days per year in Calistoga (zip 94515). The US average is 205 sunny days.
Calistoga (zip 94515) gets some kind of precipitation, on average, 70 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 88 degrees
Winter Low: the January low is 38
Rain: averages 37 inches of rain a year
Snow: averages 0 inches of snow a year