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MARATHON VS.
KEY_BISCAYNE
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2026 Compare Cities Climate:
Marathon, FL vs Key Biscayne, FL
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Highlights
- Key Biscayne has 17.7% more rainy days than Marathon.
- Key Biscayne has 0.8% less Sunny Days than Marathon.
- On the BestPlaces comfort index, Key Biscayne scores 8.3% better than Marathon
Marathon, FL
Key Biscayne, FL
United States
Rainfall
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53
38
Snowfall
0
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28
Precipitation
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125
106
Sunny
250
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205
Avg. July High
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88
86
Avg. Jan. Low
63
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22
Comfort Index (higher=better)
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6.5
7
UV Index
7.2
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4.3
Elevation
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3
2443
Jobs
Reviews for Marathon
1 Reviews
Mark
·
Marathon, FL
Great climate
Over 15 years ago
Year round
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0 Reviews
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