Is Nagano hot in August?
Days are typically hot at 31.2°C, while nights average 21.2°C.
Japan · 1991–2020 normal
Nagano in
August.
Typical August weather in Nagano: 31.2°C by day, 21.2°C at night, 117 mm of rain over 9.7 wet days. These are measured 1991–2020 station normals, not a forecast.
Typical high31.2°C
Typical low21.2°C
Rain117 mm
Wet days9.7
In the year-round weather comparison, August scores 48 out of 100 (May leads the year at 78). Daylight is calculated as 13 h 33 from latitude 36.65°.
August at a glance
What is Nagano like in August?
Plain answers from the measured climate record—not a forecast or a promise about a particular trip.
Does it rain much?
The measured monthly average is 117 mm across about 10 wet days.
How much daylight is there?
There are about 13 h 33 between sunrise and sunset at mid-month, calculated from the place latitude.
Is August a good time to visit?
August ranks 6 of 12 in our weather comparison; May ranks first.
The evidence behind this page
One month,
from the same station.
- Place identity
- GeoNames 1856215
- NOAA station
- JA000047610 · NAGANO
- Station distance
- 2.4 km from the place centre
- Coverage
- Good coverage · 17 usable years
- Important limit
- Historical climate is not a forecast. Nearby stations can miss mountains, coasts, and local microclimates.
Next step
Choose your month.
Then plan the details.
The weather comparison for Nagano is based on climate evidence, not payments from travel companies. Flight, accommodation and activity links will be clearly labelled when they are added; there are no booking offers on this page today.
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