Marathon, FL Weather & Climate Normals
Marathon's real weather, in one number
Marathon, FL scores 55/100 on this site's reading of NOAA's own 30-year normals: strongly seasonal. Comfortable weather is limited to a shorter window; summers, winters, or precipitation swing wide. 4 of the year's 12 months average between 55 and 75°F, the range this site counts as mild.
Marathon's hottest and coldest months
Marathon's hottest month is Aug, averaging 86°F; its coldest is Jan, averaging 70°F, a 15.7°F swing across the year, one of the smaller gaps in this dataset.
Marathon's weather across the year
| Month | Avg high | Avg low | Precip |
|---|---|---|---|
| Jan | 76°F | 64°F | 1.64in |
| Feb | 78°F | 66°F | 1.7in |
| Mar | 81°F | 69°F | 1.33in |
| Apr | 84°F | 73°F | 2.11in |
| May | 88°F | 76°F | 3.36in |
| Jun | 90°F | 79°F | 4.23in |
| Jul | 91°F | 79°F | 3.77in |
| Aug | 92°F | 80°F | 5.32in |
| Sep | 90°F | 78°F | 6.37in |
| Oct | 86°F | 76°F | 5.9in |
| Nov | 81°F | 71°F | 1.79in |
| Dec | 78°F | 68°F | 2.2in |
Jan, Feb, Mar, and Dec are the best time to see Marathon at its mildest; the rest of the year, plan around Aug's heat.
Rain and snow in Marathon
Over a typical year, Marathon sees about 39.72in of precipitation a year across roughly 112 days with measurable rain or snow. That station has no snowfall reading, so none is shown rather than assumed.
Where Marathon ranks
Marathon ranks 880 of 4876 US cities in this dataset for comfort score, and 219 of 229 within FL. About 10,039 people live there.
If you need tomorrow's forecast, not the 30-year average
Everything above is a 30-year average from Marathon Ap, FL US, 1.7 miles from Marathon, not a prediction for any specific day.
More on how this is worked out
Why some cities show no snow or rain figure · What a 30-year climate normal actually is