Home

Big Coppitt Key, FL Weather


Big Coppitt Key, FL climate is hot during summer when temperatures tend to be in the 80's and warm during winter when temperatures tend to be in the 70's.

The warmest month of the year is August 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 fairly limited during summer with a difference that can reach 10 degrees Fahrenheit, and fairly limited during winter with an average difference of 10 degrees Fahrenheit.

The annual average precipitation at Big Coppitt Key is 9.99 Inches. Summer months tend to be wetter than winter months. The wettest month of the year is September with an average rainfall of 6.33 Inches.

Normal Climate

Normal Temperatures

(KEY WEST NAS Weather station, 1.66 miles from Big Coppitt Key)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 75.1 75.7 78.5 81.3 84.7 87.5 89.0 89.1 88.2 84.7 80.5 76.7 82.6
Mean °F 70.0 70.6 73.6 76.6 80.1 83.0 84.2 84.1 83.3 80.1 76.1 71.9 77.8
Min °F 64.9 65.5 68.7 71.9 75.5 78.5 79.4 79.0 78.3 75.5 71.7 67.0 73.0

Normal Precipitation

(KEY WEST NAS Weather station, 1.66 miles from Big Coppitt Key)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 2.50 1.65 1.80 2.12 3.88 5.42 4.11 5.48 6.33 4.58 2.62 2.24 9.99