Cool
Average highs are around 5°C, so pack for cooler days.
March verdict
Poor for holiday weather
Average highs are around 5°C, so pack for cooler days. Sunshine averages 5.2h per day, enough for a balanced month. Rainfall averages 83mm, so some wet days are possible.
Monthly averages
Temp
5°C
Rain
83mm
Sun
5.2h
Sea
10°C
Weather score
21
Poor
Cool
Average highs are around 5°C, so pack for cooler days.
Showers
Rainfall averages 83mm, so some wet days are possible.
Some sun
Sunshine averages 5.2h per day, enough for a balanced month.
Cool sea
Sea temperatures average 10°C, so the water can feel cool.
Map
Compare Nagano, Nagano, Japan with nearby places by weather score, rain, sun, temperature, and swim conditions.
March5°C average high
March is on the cooler side of Nagano's year, useful if you prefer less intense daytime heat.
Warmest monthsJune to September
This stretch sets the upper range for average daytime heat.
March83mm average rain
March is one of Nagano's driest months, making outdoor days easier to plan than in wetter parts of the year.
Driest monthsJanuary to May and October to December
This is the drier part of the year, when outdoor plans usually need less weather flexibility.
March5.2 hours average sun
March sits close to Nagano's yearly sunshine average, so it is a middle-of-the-pack month for bright days.
Brightest monthsApril to May
This stretch has the strongest sunshine in the monthly averages.
March10°C average sea
March 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 24°C in this stretch, so swimming comfort is at its strongest.
March21 weather score
March 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 September
These months have the strongest weather score in the monthly averages.