Marathon Water Temperature

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Marathon is a town close to Gulf of Mexico. tropical savanna climate with wet summer would be the climate here. August is the month with the highest water temperature at 86.7°F / 30.4°C. The month with the lowest is January with an average water temperature of 73.4°F / 23°C. The avg. air temperature is around 82.9°F / 28.3°C, August is the month with the highest temperature. January is the coolest with 67.8°F / 19.9°C average air temperature. January is the month with the min. precipitation of 0in / 0mm and September with the max. precipitation in a year with 6.2in / 158.5mm. If you plan to visit this place, the month March, April, May, June, July, September, October, November would be the best time.

Marathon Summary

Description	Value
Current water temperature	/
Warmest Month Water Temperature:	August with 86.7°F / 30.4°C
Coldest Month Water Temperature:	January with 73.4°F / 23°C
Warmest Month Air Temperature:	August with 82.9°F / 28.3°C
Coldest Month Air Temperature:	January with 67.8°F / 19.9°C
Wettest Month:	September with 6.2in / 158.5mm
Driest Month:	January with 0in / 0mm
Highest Humidity	September with 78.7%
Lowest Humidity	April with 69.7%
Best Time to Visit:	March, April, May, June, July, September, October, November
Climate Classification	tropical savanna climate with wet summer

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Marathon water temperature by month

°F

Gulf of Mexico water temperature by month

	Max. Water Temperature (°F)	ø. Water Temperature (°F)	Min. Water Temperature (°F)
January	75	73.6	72.5
February	74.8	73.8	72.9
March	76.5	75.4	73.9
April	79.5	77.9	76.5
May	82.6	81	79.2
June	85.5	84.4	82.8
July	86.7	85.8	85.1
August	86.9	86.5	85.8
September	86.2	85.5	84.2
October	84.4	82.6	80.2
November	80.2	78.4	76.8
December	76.8	75.7	74.5

°C

Gulf of Mexico water temperature by month

	Max. Water Temperature (°C)	ø. Water Temperature (°C)	Min. Water Temperature (°C)
January	23.9	23.1	22.5
February	23.8	23.2	22.7
March	24.7	24.1	23.3
April	26.4	25.5	24.7
May	28.1	27.2	26.2
June	29.7	29.1	28.2
July	30.4	29.9	29.5
August	30.5	30.3	29.9
September	30.1	29.7	29
October	29.1	28.1	26.8
November	26.8	25.8	24.9
December	24.9	24.3	23.6

August is the month with the highest water temperature at 86.7°F / 30.4°C. The month with the lowest is January with an average water temperature of 73.4°F / 23°C.

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Marathon weather today & 14-day weather forecast

7-day weather forecast
+9-day forecast

7-day weather forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Nov. 04	Scattered clouds	83 °F 77°F	28 °C 25°C	4mph (6km/h) east-northeast	0in (0mm) 10 %	79%
Nov. 05	Thunderstorm with rain	84 °F 78°F	29 °C 25°C	4mph (7km/h) east	0in (5mm) 60 %	87%
Nov. 06	Thunderstorm with rain	84 °F 79°F	29 °C 26°C	4mph (7km/h) east-southeast	0in (10mm) 80 %	88%
Nov. 07	Thunderstorm with rain	84 °F 79°F	29 °C 26°C	4mph (6km/h) southeast	0in (6mm) 65 %	88%
Nov. 08	Broken clouds	83 °F 78°F	29 °C 26°C	3mph (5km/h) east	0in (1mm) 25 %	84%
Nov. 09	Thunderstorm with rain	80 °F 78°F	27 °C 26°C	4mph (7km/h) east-northeast	0in (3mm) 50 %	84%
Nov. 10	Thunderstorm with rain	80 °F 79°F	27 °C 26°C	7mph (11km/h) east-southeast	0in (6mm) 65 %	84%

+9-day forecast

Date	Weather	Max. F Min. F	Max. C Min. C	Windspeed Windir.	Precip. Rainrisk	Rel. Humidity
Nov. 11	Few clouds	80 °F 79°F	27 °C 26°C	3mph (5km/h) east-southeast	0in (2mm) 40 %	84%
Nov. 12	Few clouds	80 °F 78°F	26 °C 26°C	2mph (4km/h) east-northeast	0in (0mm) 10 %	85%
Nov. 13	Few clouds	81 °F 78°F	27 °C 26°C	4mph (6km/h) east-northeast	0in (1mm) 15 %	82%
Nov. 14	Clear Sky	82 °F 72°F	28 °C 22°C	5mph (8km/h) northeast	0in (0mm) 20 %	70%
Nov. 15	Clear Sky	82 °F 72°F	28 °C 22°C	6mph (9km/h) northeast	0in (0mm) 0 %	71%
Nov. 16	Scattered clouds	82 °F 73°F	28 °C 23°C	7mph (12km/h) east-northeast	0in (1mm) 15 %	77%
Nov. 17	Overcast clouds	82 °F 72°F	28 °C 22°C	8mph (13km/h) east-northeast	0in (1mm) 15 %	75%
Nov. 18	Overcast clouds	82 °F 73°F	28 °C 23°C	7mph (11km/h) east-northeast	0in (0mm) 15 %	76%
Nov. 19	Overcast clouds	82 °F 73°F	28 °C 23°C	8mph (13km/h) northeast	0in (2mm) 45 %	82%

Marathon weather by month / climate table

°F

	Max. Temperature °F	ø. Temperature °F	Min. Temperature (°F)	Precip. (in)	Rainy Days (d)	Rel. Humidity (%)
January	75	67.8	61.7	0	0	72.9%
February	75.7	69.6	63	0.1	0	74.9%
March	77.5	71.8	65.7	0.1	0	70.5%
April	80.8	75.4	70	0	0	69.7%
May	83.5	78.6	73.4	1.5	1	71.7%
June	85.3	81.5	77.5	5.8	16	77%
July	86.2	82.6	79.2	4.2	12	76.5%
August	86.7	82.9	79.7	6.2	18	76.9%
September	85.5	81.5	77.9	6.1	19	78.7%
October	83.8	78.8	73	1.9	0	75.2%
November	80.4	73.9	67.1	0.2	0	72.4%
December	76.5	71.2	65.7	0.2	0	75.2%

°C

	Max. Temperature °C	ø. Temperature °C	Min. Temperature (°C)	Precip. (mm)	Rainy Days (d)	Rel. Humidity (%)
January	23.9	19.9	16.5	0	0	72.9%
February	24.3	20.9	17.2	2.4	0	74.9%
March	25.3	22.1	18.7	1.9	0	70.5%
April	27.1	24.1	21.1	0	0	69.7%
May	28.6	25.9	23	38.1	1	71.7%
June	29.6	27.5	25.3	147	16	77%
July	30.1	28.1	26.2	106.4	12	76.5%
August	30.4	28.3	26.5	158.5	18	76.9%
September	29.7	27.5	25.5	154.3	19	78.7%
October	28.8	26	22.8	49.1	0	75.2%
November	26.9	23.3	19.5	4.2	0	72.4%
December	24.7	21.8	18.7	4.1	0	75.2%

The hottest avg. temperature is around 82.9°F / 28.3°C, August is the month with the highest temperature. January is the coolest with 67.8°F / 19.9°C average temperature. January is the month with the lowest precipitation of 0in / 0mm and September with the maximum precipitation in a year with 6.2in / 158.5mm.

Activities & POI in Marathon

Type of Activity	List
Beach	Long Beach, Sombrero Beach, Calusa Beach, Loggerhead Beach, Sandspur Beach, Sunset Beach, Coca Plum Beach
Marina for Sailing, Boat adventures, fishing	Bahai Honda Marina, Old Wooden Bridge Guest Cottages & Marina LLC, Sunshine Key Marina, Little Palm Island marina, Duck Key Marina, Grassy Key Marina, Driftwood Marina & Storage, Captain Hook's Marina & Dive Center, Sea Dog Charters Marina, Starfish Snorkel, Spirit Snorkeling, Marathon Marina & Boat Yard
Attraction	Snorkel Tours, Old Seven Mile Bridge, New Seven Mile Bridge
Golf Course	Sombrero Country Club, Key Colony Beach Golf
Caravan Site	Grassy Key RV Park & Resort, 22, 26, 28, 36, 37, 38, 39, 4, 40, 41, 42, 44, 43, 45, 46, 47, 48, 5, 6, 7, 8, 9, 27, 1, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 2, 20, 21, 23, 24, 25, 29, 3, 30, 31, 32, 33, 34, 35, Seahorse RV Park, Royal Palm RV Park, Sunshine Key RV Resort

gulf of mexico