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Los Alamos, NM Weather


Los Alamos, NM climate is mild during summer when temperatures tend to be in the 60's and very cold during winter when temperatures tend to be in the 30's.

The warmest month of the year is July with an average maximum temperature of 80.00 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 17.70 degrees Fahrenheit.

Temperature variations between night and day tend to be moderate during summer with a difference that can reach 25 degrees Fahrenheit, and moderate during winter with an average difference of 21 degrees Fahrenheit.

The annual average precipitation at Los Alamos is 18.93 Inches. Rainfall in is fairly evenly distributed throughout the year. The wettest month of the year is August with an average rainfall of 3.32 Inches.

Weather Data

Normal Climate

Normal Temperatures

(LOS ALAMOS Weather station, 1.46 miles from Los Alamos)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 38.4 42.9 49.7 57.9 67.2 77.7 80.0 77.2 71.4 60.8 47.6 39.6 59.2
Mean °F 28.1 32.4 38.4 45.5 54.5 64.4 67.3 65.2 59.2 48.8 36.8 29.3 47.5
Min °F 17.7 21.8 27.0 33.1 41.7 51.1 54.6 53.1 47.0 36.8 25.9 19.0 35.7

Normal Precipitation

(LOS ALAMOS Weather station, 1.46 miles from Los Alamos)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 0.96 0.75 1.28 1.05 1.43 1.44 2.97 3.32 2.08 1.54 1.19 0.92 18.93