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Clewiston, FL Weather


Clewiston, FL climate is hot during summer when temperatures tend to be in the 80's and mild during winter when temperatures tend to be in the 60's.

The warmest month of the year is July with an average maximum temperature of 91.90 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 54.70 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 19 degrees Fahrenheit, and moderate during winter with an average difference of 20 degrees Fahrenheit.

The annual average precipitation at Clewiston is 45.40 Inches. Summer months tend to be wetter than winter months. The wettest month of the year is June with an average rainfall of 7.15 Inches.

Weather Data

Normal Climate

Normal Temperatures

(CLEWISTON US ENGINEERS Weather station, 0.89 miles from Clewiston)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Max °F 73.8 75.6 79.7 83.6 87.8 90.2 91.9 91.4 89.7 85.2 80.1 74.8 83.7
Mean °F 64.3 65.7 69.6 73.3 77.9 81.2 82.4 82.4 81.6 77.4 72.0 66.1 74.5
Min °F 54.7 55.7 59.4 63.0 68.0 72.1 72.8 73.3 73.4 69.6 63.9 57.3 65.3

Normal Precipitation

(CLEWISTON US ENGINEERS Weather station, 0.89 miles from Clewiston)
Month Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec Annual
Inch 2.38 2.01 2.68 2.16 4.50 7.15 6.58 6.28 4.99 2.87 2.28 1.52 45.40