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 5.6h per day, enough for a balanced month. Rainfall averages 90mm, so some wet days are possible.

Monthly averages
Temp
10°C
Rain
90mm
Sun
5.6h
Weather score
30
Poor
Cool
Average highs are around 10°C, so pack for cooler days.
Showers
Rainfall averages 90mm, so some wet days are possible.
Some sun
Sunshine averages 5.6h per day, enough for a balanced month.
Map
Compare Wakayama, 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 monthsJuly to September
This stretch sets the upper range for average daytime heat.
January90mm average rain
January is one of Wakayama's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to March and December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
January5.6 hours average sun
January sits close to Wakayama's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsMay and August
This stretch has the strongest sunshine in the monthly averages.
January30 weather score
January scores below Wakayama's yearly average, so the weather trade-offs are more noticeable.
Best weather monthsJuly to September
These months have the strongest weather score in the monthly averages.