Cool
Average highs are around 10°C, so pack for cooler days.
January verdict
Poor for holiday weather
Average highs are around 10°C, so pack for cooler days. Sunshine averages 5.4h per day, enough for a balanced month. Rainfall averages 61mm, which is relatively low for holiday planning.
Monthly averages
Temp
10°C
Rain
61mm
Sun
5.4h
Sea
18°C
Weather score
29
Poor
Cool
Average highs are around 10°C, so pack for cooler days.
Drier
Rainfall averages 61mm, which is relatively low for holiday planning.
Some sun
Sunshine averages 5.4h per day, enough for a balanced month.
Cool sea
Sea temperatures average 18°C, so the water can feel cool.
Map
Compare Kochi (Shikoku), Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
January10°C average high
January has some of the coolest average daytime highs of the year, so pack for fresher conditions.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
January61mm average rain
January is one of Kochi (Shikoku)'s driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to March and November to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
January5.4 hours average sun
January is below Kochi (Shikoku)'s yearly sunshine average, so bright-day planning is less reliable than in peak months.
Brightest monthsMay and July to August
This stretch has the strongest sunshine in the monthly averages.
January18°C average sea
January is one of the coolest sea months, so the water may feel fresher than in peak months.
Warmest seaJuly to September
Sea temperatures are usually near 26°C in this stretch, so swimming comfort is at its strongest.
January29 weather score
January scores below Kochi (Shikoku)'s yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to October
These months have the strongest weather score in the monthly averages.
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