ClimateForecastMayJune >>

Climate in Achi (Nagano), Japan

The graphs below show the monthly weather averages over the year.

Average day and night temperature

The mean minimum and maximum temperatures over the year.

Monthly precipitation

The mean monthly precipitation over the year, including rain, snow, hail etc.

Weather Forecasts for Achi

Thu   May 02
18°C | 9°C
W 7 km/h
2.8 mm
broken clouds and  chance of rain

broken clouds and chance of rain

Fri   May 03
22°C | 9°C
W 7 km/h
almost clear and no rain

almost clear and no rain

Sat   May 04
25°C | 10°C
W 7 km/h
0.8 mm
partly cloudy and  chance of rain

partly cloudy and chance of rain

The best time of year to visit Achi in Japan

During the months of May, June and September you are most likely to experience good weather with pleasant average temperatures that fall between 20°C and 26°C.

Other facts from our historical weather data:

  • Which is the warmest month in Achi?
    August has an average maximum temperature of 28°C and is the warmest month of the year.
  • Which is the coldest month in Achi?
    The coldest month is January with an average maximum temperature of 4°C.
  • Which is the wettest month in Achi?
    July tops the wettest month list with 322 mm of rainfall.
  • Which is the driest month in Achi?
    December is the driest month with 103 mm of precipitation.
  • Which is the sunniest month in Achi?
    August is the sunniest month with an average of 203 hours of sunshine.

  • No idea where to travel to this year? We have a tool that recommends destinations based on your ideal conditions. Find out where to go with our weather planner.