Booking was very convenient and easy, the price was reasonable, and picking up tickets was quick and convenient – you could collect your tickets right outside the airport. Booking tickets also earns you points, which is very worthwhile. I will definitely book tickets again next time.
I bought the Tohoku JR Pass through KK Day and redeemed it at the JR East Travel Centre at Haneda Airport. This trip covers Tokyo to Sendai, then back to Tokyo, and finally Echigo-Yuzawa. You can even reserve seats online, guaranteeing seats for the whole family. A must-buy pass for any Tohoku trip!
The driver was friendly and polite, the seats were spacious, and it was safe and convenient to pick up the bus at the main intersection in front of the accommodation on a snowy day.
The price was a way competitive. Super convenient to use. Everything was running smoothly. Best option for Japan winter trip.
Anonymous User
Friend
Koshinetsu Weather, Climate and Best Time to Visit
Data source:Meteostat Update date:2025-09
Koshinetsu year round climate
Spring (March–May): Average 10.5–19.3°C, mild climate but with relatively high rainfall, especially abundant in April and May. Common activities: Spring outings, flower viewing. Recommended clothing: Light jacket, long-sleeved shirt, rain gear essential.
Summer (June–August): Average 23.7–29.5°C, hot and humid, frequent rainfall. Common activities: Sightseeing in summer resorts, water activities (such as river rafting, please pay attention to safety). Recommended clothing: Light and breathable clothing, sun hat, rain gear.
Autumn (September–November): Average 19.1–27.1°C, comfortable and pleasant climate, rainfall gradually decreasing. Common activities: Maple viewing, mountain hiking. Recommended clothing: Light jacket, long-sleeved shirt.
Winter (December–February): Average 5.1–7.2°C, cold and dry, low rainfall. Common activities: Skiing, onsen experience. Recommended clothing: Warm jacket, beanie, gloves, scarf.
Koshinetsu climatological average
Annual average temperature: approx. 17°C / Annual rainfall: approx. 1656 mm / Summer humidity: 70%–80% / Rainiest month: August
Koshinetsu monthly average temperature and precipitation
Month
Air temperature (°C)
Precipitation (mm)
January
5.1°C
47.4
February
6.1°C
72.5
March
10.5°C
131.3
April
16.4°C
182.2
May
19.3°C
199.8
June
23.7°C
248.8
July
28.9°C
176
August
29.5°C
254.7
September
27.1°C
127.3
October
19.1°C
105.2
November
13.9°C
91.9
December
7.2°C
19.2
Koshinetsu weather for the next seven days
3/30
Monday
Partly Cloudy
21°C/11.2°C
3/31
Tuesday
Heavy rain
18.2°C/11.2°C
4/1
Wednesday
Patchy rain nearby
16°C/10.7°C
4/2
Thursday
Moderate rain
15.5°C/7.2°C
4/3
Friday
Sunny
18.4°C/5°C
4/4
Saturday
Patchy rain nearby
17.8°C/12.2°C
4/5
Sunday
Patchy rain nearby
18.9°C/10.7°C
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