Cool
Average highs are around -9°C, so pack for cooler days.
January verdict
Marathon (Ontario), Canada in January
Weather score21Poor
Poor for holiday weather
Average highs are around -9°C, so pack for cooler days. Sunshine averages 2.8h per day, so this is not one of the brighter months. Rainfall averages 68mm, which is relatively low for holiday planning.
January weather
Monthly averages
Temp
-9°C
Rain
68mm
Sun
2.8h
Sea
3°C
Weather score
21
Poor
Seasonal climate calendar
TemperatureTemp
RainRain
SunSun
SwimSwim
Weather scoreWeather score
Trip feel
Drier
Rainfall averages 68mm, which is relatively low for holiday planning.
Limited sun
Sunshine averages 2.8h per day, so this is not one of the brighter months.
Cool sea
Sea temperatures average 3°C, so the water can feel cool.
Map
Weather map
Compare Marathon (Ontario), Canada with nearby places by weather score, rain, sun, temperature, and swim conditions.
Temperature
January-9°C average high
January has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsMay to September
This stretch sets the upper range for average daytime heat.
Rain
January68mm average rain
January sits near Marathon (Ontario)'s yearly rainfall average, so rain is a normal planning factor rather than an outlier.
Driest monthsJanuary to May and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
Sun
January2.8 hours average sun
January is below Marathon (Ontario)'s yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMay to August
This stretch has the strongest sunshine in the monthly averages.
Sea temperature
January3°C average sea
January is below Marathon (Ontario)'s yearly sea-temperature average, so swimming can feel fresher.
Warmest seaAugust to September
Sea temperatures are usually near 14°C in this stretch, so swimming comfort is at its strongest.
Weather score
January21 weather score
January is one of the weakest weather-score months, when the overall mix is less favourable than the rest of the year.
Best weather monthsJuly to August
These months have the strongest weather score in the monthly averages.
