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Climate
Statistics · City
Normal high in January in Marathon
1991–2020 · 1 data point
67 of 391 · Towns of Florida
Updated Oct 22, 2026
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, 1991–2020
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Latest value · 1991–2020
76 °F
Towns of Florida · 2020
67 of 391
Place 1 is the highest value.
Weather through the year long-term average 1991–2020 · Marathon Ap weather station, 2 km away
76°
64°
Jan
78°
66°
Feb
81°
69°
Mar
84°
73°
Apr
87°
76°
May
90°
78°
Jun
91°
79°
Jul
92°
80°
Aug
90°
78°
Sep
86°
76°
Oct
81°
71°
Nov
78°
67°
Dec
1.6
1.7
1.3
2.1
3.4
4.2
3.8
5.3
6.4
5.9
1.8
2.2
High and low, °F
Precipitation, inches
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, 1991–2020
Ranking · Towns of Florida
2020 · Place 1 is the highest value.
| # | Territory | Normal high in January | |
|---|---|---|---|
| 101 | Alva | 75 °F | |
| 176 | Anna Maria | 72 °F | |
| 355 | Apalachicola | 64 °F | |
| 198 | Apollo Beach | 72 °F | |
| 350 | Atlantic Beach | 64 °F | |
| 102 | Atlantis | 75 °F | |
| 74 | Ave Maria | 76 °F | |
| 3 | Aventura | 77 °F | |
| 342 | Bagdad | 65 °F | |
| 152 | Bal Harbour | 74 °F | |
| 320 | Baldwin | 66 °F | |
| 153 | Bay Harbor Islands | 74 °F | |
| 246 | Bay Pines | 71 °F | |
| 237 | Bayonet Point | 71 °F | |
| 177 | Bayshore Gardens | 72 °F | |
| 340 | Bell | 65 °F | |
| 64 | Belle Glade | 76 °F | |
| 247 | Belleair | 71 °F | |
| 248 | Belleair Beach | 71 °F | |
| 249 | Belleair Bluffs | 71 °F | |
| 377 | Bellview | 63 °F | |
| 277 | Beverly Hills | 69 °F | |
| 141 | Big Pine Key | 74 °F | |
| 154 | Biscayne Park | 74 °F | |
| 214 | Bloomingdale | 71 °F | |
| … | |||
| 194 | Manasota Key | 72 °F | |
| 225 | Mango | 71 °F | |
| 114 | Mangonia Park | 75 °F | |
| 67 | Marathon | 76 °F | |
| 148 | Marco Island | 74 °F | |
| 52 | Margate | 76 °F | |
| 369 | Mary Esther | 63 °F | |
| … |
Source: NOAA National Centers for Environmental Information, U.S. Climate Normals 1991–2020, 2020
What it means
The typical daytime high in January.
How it is calculated
Average daily maximum in January at the nearest weather station with a long record: 1991–2020, or the latest ten years.
Climate
Marathon in numbers
Average daily high
85 °F
1991–2020
Average daily low
73 °F
1991–2020
Normal annual rainfall
39.7 in
1991–2020
Days at 90 °F (32 °C) or hotter
105
1991–2020
Days with 0.1 in (2.5 mm) of rain or more
59
1991–2020
Average annual temperature
78 °F
2025 · Monroe County
Annual precipitation
40.4 in
2025 · Monroe County
CO₂ emissions per person
13.6
2024 · United States