Yamanashi, Japan Weather
- Yamanashi, Japan Weather
- Current conditions
- Weather forecast
- Averages and extremes
- Yesterday's Data
- Temperature and possibility of rain in Yamanashi over the next 12 hours
- Temperature and possibility of rain in Yamanashi in the coming days
- Rainfall in Yamanashi in the coming days
- Yamanashi Weather Summary
- Weather averages by month
- Yamanashi's weather
- Frequently asked questions
- Comments
Current conditions
Condition: Partly Cloudy
Pressure: 991 hPa
Feel like: 14 °C
Temperature: 14°C
Cloud: 60%
Humidity: 82%
Wind: NE - 3 km/h
Visibility: 18.88 km
30 Day Averages and Extremes
- Average high 21.0°C
- Average low 11.77°C
- Hottest day 29°C (20 October 2026)
- Coldest day 0°C (06 November 2026)
- Average humidity 67.53%
- Days with precipitation 21 days
- Highest precipitation 69 mm (25 October 2026)
Yesterday's Data
- Max: 20°C
- Min: 11°C
- Total Precipitation: 0 mm
Temperature and possibility of rain in Yamanashi over the next 12 hours
Temperature and possibility of rain in Yamanashi in the coming days
Rainfall in Yamanashi in the coming days
Yamanashi Climate Summary
Yamanashi features a Humid continental, no dry season, warm summer (Köppen classification: Dfb), with an average annual temperature of 11.94ºC (53.49ºF), which is about -3.25% lower than the national average for Japan. Annually, the city experiences approximately 98.18 millimeters (3.87 inches) of rainfall, spread across 147.54 rainy days, accounting for 40.42% of the year.
| Longitude | 35.6635113 |
| Latitude | 138.6388879 |
| Yearly high temperature | 15.94ºC (60.69ºF) |
| Yearly low temperature | 5.39ºC (41.7ºF) |
| Hottest month | August 27.86ºC (82.15ºF) |
| Coldest month | January -6.17ºC (20.89ºF) |
| Yearly precip | 98.18mm (3.87in) |
| Days with rainfall | 147.54 days (40.42%) |
| Driest month | January (68.44%) |
| Wettest month | October (80.58%) |
Weather averages by month
| Month | High / Low (°C) | Rain |
|---|---|---|
| January | 3.84° / -6.17° | 5.09 days |
| February | 5.16° / -5.37° | 7.55 days |
| March | 9.26° / -1.79° | 11.45 days |
| April | 14.46° / 3.0° | 12.36 days |
| May | 20.42° / 7.96° | 12.45 days |
| June | 22.54° / 12.09° | 18.55 days |
| July | 26.39° / 16.54° | 21.09 days |
| August | 27.86° / 17.3° | 18.91 days |
| September | 23.69° / 13.59° | 14.91 days |
| October | 18.07° / 7.8° | 12.36 days |
| November | 12.82° / 2.52° | 7.18 days |
| December | 6.76° / -2.83° | 5.64 days |
Yamanashi's weather
- Tokyo
- Osaka
- Kanagawa
- Hokkaido
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- Iwate
- Kagawa
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- Gumma
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- Nagano
Frequently asked questions
1. What is the hottest month in Yamanashi?
August has the highest average monthly temperature (daily mean of 27.86ºC) and January are the coolest (daily mean of -6.17ºC).
2. What should I wear in Yamanashi today?
For today's mild weather in Yamanashi, with temperatures between 14ºC to 17ºC (57.2ºF to 62.6ºF), consider wearing:
- Light jacket (for cooler periods)
- Sun hat (if spending time outdoors)
- Lightweight sweater or cardigan
- Comfortable jeans or slacks
Temperature
Air quality
Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals
- CO2 475
- CO 176
- NH3 0
- NO2 20
- O3 33
- PM10 18
- PM25 14
- SO2 11
- CH4 1,400