Climate · Karuizawa

Karuizawa in June

Warm and wet, as the days hold steady.

Typical weather, averaged over 30 years

June in Karuizawa is warm: highs near 73°F, lows near 56°F. Rain falls on about five days a week, more often as the month goes on, and daylight holds at about 14 hours 36 minutes.June in Karuizawa is warm: highs near 23°C, lows near 13°C. Rain falls on about five days a week, more often as the month goes on, and daylight holds at about 14 hours 36 minutes.

High
73°F23°Caverage
Low
56°F13°Caverage
Wet days
5a week · 77% of days
Daylight
14h 36mon average

Is June a good time to visit Karuizawa?


Yes. June is one of Karuizawa's best months (June to September).

How we judge it: every month is scored on how close its typical high comes to the range from 70°F to 80°F, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.How we judge it: every month is scored on how close its typical high comes to the range from 21°C to 27°C, how mild its nights are, and how rarely it rains. The best months are the run of months that scores best.

How June sits in the year

week by week

Temperature

Highs near 73°F in June, against 38°F to 82°F through the year.Highs near 23°C in June, against 3°C to 28°C through the year.

Chance of a wet day

77% of days in June, against 29% to 80% through the year.

Cloud cover

72% cover in June, against 56% to 73% through the year.

Daylight

14h 36m in June, against 9h 43m to 14h 36m through the year.

Week by week, lightly smoothed, with June shaded. The olive line marks the best months. Hover or tap a week for its figures.

Either side


  1. May68°20°low 47°low 8°4 wet days a weekRain on about four days a week.
  2. June73°23°low 56°low 13°5 wet days a weekRain on about five days a week.
  3. July80°27°low 63°low 17°6 wet days a weekRain on about six days a week.

Where Karuizawa sits, in June

Asia/Tokyo

this place
typical high in June 40°F4°C95°F35°C
Sunrise, mid-June
4:27 AMsets 7:04 PM
Above the sea
900 mupland
Latitude
36.3°Nnorthern hemisphere
Nearest of ours
Nozawa Onsen65 km north

The land around Karuizawa, shaded by its typical high in June, the planning map's own layer. Hover the map for the figure at that spot; tap it on a phone. Clock times are local, for the 15th.

Elsewhere in Japan in June

high · low · wet days

Typical weather, averaged over 30 years (1995–2024), from the 11 km grid square nearest Karuizawa. Temperatures are adjusted against 66 weather stations: daytime highs read about 3.1°F cold in the source data and are raised to match.Temperatures are adjusted against 66 weather stations: daytime highs read about 1.7°C cold in the source data and are raised to match. Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not. Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.

Daylight is calculated from latitude. Charts are lightly smoothed week to week; the figures in the table are not.

Source: Copernicus ERA5-Land reanalysis; cloud cover from NASA's MERRA-2 reanalysis, on a coarser grid of about 50 km. Contains modified Copernicus Climate Change Service information 2026; neither the European Commission nor ECMWF is responsible for any use of it. These are averages, not a forecast.