Mild
Average highs are around 24°C, so days are mild rather than hot.
January verdict
Good for holiday weather
Average highs are around 24°C, so days are mild rather than hot. Sunshine averages 7.6h per day, enough for a balanced month. Rainfall averages 46mm, which is relatively low for holiday planning.

Monthly averages
Temp
24°C
Rain
46mm
Sun
7.6h
Sea
24°C
Weather score
70
Good
Mild
Average highs are around 24°C, so days are mild rather than hot.
Drier
Rainfall averages 46mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 7.6h per day, enough for a balanced month.
Swimmable
Sea temperatures average 24°C, which can work for swimming but may feel fresh.
Map
Compare Marathon, Florida, United States with nearby places by weather score, rain, sun, temperature, and swim conditions.
January24°C average high
January is cooler than the yearly average, which can make sightseeing feel gentler than in hotter months.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
January46mm average rain
January is one of Marathon's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to April and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
January7.6 hours average sun
January is one of Marathon's cloudier months, so sunshine-led plans are less reliable.
Brightest monthsApril to July
This stretch has the strongest sunshine in the monthly averages.
January24°C average sea
January is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJune to September
Sea temperatures are usually near 29°C in this stretch, so swimming comfort is at its strongest.
January70 weather score
January scores below Marathon's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsMarch to April and November
These months have the strongest weather score in the monthly averages.