Marathon, FL Weather

Marathon, 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 August with an average maximum temperature of 90.30 degrees Fahrenheit, while the coldest month of the year is January with an average minimum temperature of 55.90 degrees Fahrenheit.

Temperature variations between night and day tend to be fairly limited during summer with a difference that can reach 16 degrees Fahrenheit, and moderate during winter with an average difference of 21 degrees Fahrenheit.

The annual average precipitation at Marathon is 47.46 Inches. Summer months tend to be wetter than winter months. The wettest month of the year is August with an average rainfall of 7.43 Inches.

Weather Data

Current Conditions

(Updated: 10:53 AM EST FRI DEC 5 2008)

Mostly Cloudy, 76°F	Humidity: 64%	Dewpoint: 63°F
	Wind Speed: E 8 MPH	Heat Index: 76°F
	Barometer: 30.18 in.	Wind Chill: 76°F

Weather Forecast

(Generated: 4:00 AM EST FRI DEC 05 2008)

	Hi: 79°F	Today: Partly cloudy. Highs in the upper 70s. Northeast winds near 10 mph.
	Lo: 65°F
	Hi: 79°F	Saturday: Partly cloudy. Highs in the upper 70s. North to northeast winds 5 to 10 mph.
	Lo: 65°F
	Hi: 75°F	Sunday: Partly cloudy. A slight chance of showers. Highs in the mid 70s. Northwest to north winds near 10 mph. Chance of rain 20 percent.
	Lo: 65°F
	Hi: 75°F	Monday: Partly cloudy. A slight chance of showers. Lows in the mid 60s. Highs in the mid 70s. Chance of rain 20 percent both periods.
	Lo: 70°F
	Hi: 80°F	Tuesday: Partly cloudy. A slight chance of showers. Lows near 70. Highs near 80. Chance of rain 10 percent each period.
	Lo: 70°F
	Hi: 80°F	Tuesday: Partly cloudy. A slight chance of showers. Lows near 70. Highs near 80. Chance of rain 10 percent each period.
	Lo: 65°F
	Hi: 79°F	Wednesday: Variable cloudiness. A slight chance of showers. Highs in the upper 70s. Lows in the mid 60s. Chance of rain 20 percent both periods.
	Lo: 65°F

Moon, Sunrise and Sunset

	Moon Phase: Waxing Gibbous Moon	Civil Twilight: 6:29 AM EST	Sunrise: 6:53 AM EST
		Sunset: 5:35 PM EST	Civil Twilight: 5:59 PM EST

Normal Climate

Normal Temperatures

(FLAMINGO RANGER STN Weather station, 32.04 miles from Marathon)

Month	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec	Annual
Max °F	77.1	77.8	80.2	83.4	86.7	88.9	90.1	90.3	89.4	86.6	82.8	78.8	84.3
Mean °F	66.5	67.4	70.3	73.6	77.7	81.2	82.1	82.2	81.5	77.9	73.4	68.7	75.2
Min °F	55.9	56.9	60.4	63.8	68.7	73.4	74.1	74.1	73.6	69.2	64.0	58.5	66.1

Normal Precipitation