Yamanashi weather
Today's sky, the hour-by-hour rain chance and the 16-day forecast for Yamanashi, Japan. Like most weather services, we show Yamanashi at one spot: Kofu, its largest city. At 6:45 AM local time it was clear and 10°C (50°F). Little to no rain in the next 24 hours. Best months for weather: May, Aug.
Current conditions
- Clouds
- 12%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Little to no rain in the next 24 hours
Daily Forecast
Best Time to Visit
Peak season May, AugOff season Dec–Mar
About Kofu weather
Is it raining in Kofu right now?
No. It’s clear and 10° right now. Little to no rain in the next 24 hours.
What’s the weather like in Kofu this week?
Over the next 7 days, expect highs of 18–24° and lows of 9–13°. Rain is likely on 4 of 7 days (Monday, Tuesday, Wednesday, Thursday). The driest day looks like Sunday.
Has it been raining in Kofu lately?
In the past 7 days, Kofu had 3 rainy days and 51.2 mm of rain in total.
What should I pack for Kofu?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Yamanashi weather by month
When is the best time to visit Yamanashi?
Based on weather alone, the best time to visit Yamanashi is May, Aug, according to NASA's 2001–2025 climate averages. Dec–Mar tends to be the least pleasant. Average highs run from 4°C (38°F) in January to 28°C (82°F) in August.
What is the rainiest month in Yamanashi?
July is the wettest month, with about 209 mm (8.2 in) of rain on average. January is the driest, with about 61 mm (2.4 in).
What is the hottest month in Yamanashi?
August is the warmest, with average highs of 28°C (82°F) and lows of 19°C (66°F). January is the coolest, with highs of 4°C (38°F) and lows of -5°C (22°F).
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis for Kofu), forecast and current conditions from Open-Meteo. Page updated . How we rate months
Compare places in Yamanashi
Weather can differ a lot within Yamanashi: coasts, hills and mountains each have their own climate.
| Place | Best months | Rainy months | Highs | Rain a year |
|---|---|---|---|---|
| Kofu | May, Aug | Jun–Oct | 4–28°C | 1,599 mm |
| Kai | May, Aug | Jun–Oct | 4–28°C | 1,599 mm |
| Minami-Alps | May, Aug | Jun–Oct | 4–28°C | 1,599 mm |
| Fuefuki | May, Aug | Jun–Oct | 4–28°C | 1,599 mm |
| Minamiarupusu | May, Aug | Jun–Oct | 4–28°C | 1,599 mm |
| Fujiyoshida | May, Aug | Jun–Oct | 4–28°C | 1,599 mm |
| Hokuto | May–Jun, Aug–Sep | Jul–Oct | -1–26°C | 1,330 mm |
| Ryūō | May, Aug | Jun–Oct | 4–28°C | 1,599 mm |
| Yamanashi | May, Aug | Jun–Oct | 4–28°C | 1,599 mm |
| Kōshū | May, Aug | Jun–Oct | 4–28°C | 1,599 mm |
| Chūō | May, Aug | Jun–Oct | 4–28°C | 1,599 mm |
| Tsuru | May, Aug | Jun–Oct | 4–28°C | 1,599 mm |