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Etna, CA Weather


Etna, CA 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 9.99 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 9.99 degrees Fahrenheit.

Temperature variations between night and day tend to be relatively big during summer with a difference that can reach 38 degrees Fahrenheit, and moderate during winter with an average difference of 21 degrees Fahrenheit.

The annual average precipitation at Etna is 9.99 Inches. Winter months tend to be wetter than summer months. The wettest month of the year is January with an average rainfall of 4.79 Inches.

Weather Data

Normal Climate

Normal Temperatures

(CALLAHAN Weather station, 9.99 miles from Etna)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 45.1 51.0 56.2 62.9 71.1 79.2 86.7 86.3 79.6 68.3 52.0 44.6 65.3
Mean °F 35.6 39.9 43.6 48.3 54.9 61.6 68.1 67.3 61.2 52.2 41.2 35.4 50.8
Min °F 26.0 28.8 30.9 33.6 38.7 44.0 49.4 48.3 42.8 36.1 30.3 26.2 36.3

Normal Precipitation

(GREENVIEW Weather station, 6.44 miles from Etna)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 4.79 4.28 2.65 1.36 0.95 0.40 0.33 0.27 0.52 1.44 3.79 3.83 9.99