Los Alamos, NM County has a semi-arid climate with hot summers and cold winters. The average high temperatures in the summer range from 70 to 90 degrees Fahrenheit, while the average low temperatures in the winter range from 30 to 50 degrees Fahrenheit. Precipitation is generally light and infrequent, but snowstorms can occur during the winter months. Though it's not always sunny in Los Alamos, when the sun does come out, it brings a strong sense of warmth that brightens up even the gloomiest of days.
Los Alamos County, New Mexico gets 16 inches of rain, on average, per year. The US average is 38 inches of rain per year.
Los Alamos County averages 39 inches of snow per year. The US average is 28 inches of snow per year.
On average, there are 278 sunny days per year in Los Alamos County. The US average is 205 sunny days.
Los Alamos County gets some kind of precipitation, on average, 80 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.
Summer High: the July high is around 84 degrees
Winter Low: the January low is 19
Rain: averages 16 inches of rain a year
Snow: averages 39 inches of snow a year