Yamanashi, Japan Weather

  1. Yamanashi, Japan Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Yamanashi over the next 12 hours
  7. Temperature and possibility of rain in Yamanashi in the coming days
  8. Rainfall in Yamanashi in the coming days
  9. Yamanashi Weather Summary
  10. Weather averages by month
  11. Yamanashi's weather
  12. Frequently asked questions
  13. Comments
Yamanashi, Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
19°C
66.2°F
°C °F

Condition: Moderate Rain

Pressure: 975 hPa

Feel like: 22 °C

Temperature: 19°C

Cloud: 97%

Humidity: 96%

Wind: WNW - 2 km/h

Visibility: 1.94 km

Weather forecast

Sun
21 Jun
18°C / 21°C
Drizzle
Mon
22 Jun
17°C / 25°C
Moderate Drizzle
Tue
23 Jun
18°C / 22°C
Drizzle
Wed
24 Jun
19°C / 23°C
Slight Rain
Thu
25 Jun
20°C / 22°C
Moderate Rain Showers
Hourly forecast today:
12:00 PM
18° / 19°
18° / 19°
Moderate Rain
96% 19 km/h
13:00 PM
18° / 19°
18° / 19°
Heavy Rain
97% 11 km/h
14:00 PM
18° / 18°
18° / 18°
Moderate Rain
97% 25 km/h
15:00 PM
18° / 18°
18° / 18°
Moderate Rain
97% 25 km/h
16:00 PM
18° / 18°
18° / 18°
Moderate Drizzle
96% 23 km/h
17:00 PM
17° / 18°
17° / 18°
Partly Cloudy
97% 12 km/h
18:00 PM
17° / 18°
17° / 18°
Drizzle
97% 13 km/h
19:00 PM
17° / 18°
17° / 18°
Moderate Drizzle
98% 10 km/h
20:00 PM
17° / 18°
17° / 18°
Drizzle
97% 10 km/h
21:00 PM
18° / 19°
18° / 19°
Partly Cloudy
96% 10 km/h
22:00 PM
18° / 19°
18° / 19°
Mainly Clear
95% 14 km/h

30 Day Averages and Extremes

  • Average high 25.67°C
  • Average low 18.33°C
  • Hottest day 35°C (04 July 2026)
  • Coldest day 15°C (15 June 2026)
  • Average humidity 79.7%
  • Days with precipitation 27 days
  • Highest precipitation 73 mm (14 June 2026)

Yesterday's Data

  • Max: 23°C
  • Min: 18°C
  • Total Precipitation: 49 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

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 very hot weather in Yamanashi, with the high temperatures above 31ºC (87.8ºF), consider wearing:
- Broad-brimmed sun hat
- Airy sandals or flip-flops
- Sleeveless tops or vests
- Ultra-thin, breathable socks

Temperature

Early
20°C / 22°C
Morning
19°C / 20°C
Afternoon
18°C / 18°C
Evening
18°C / 19°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 474
  • CO 177
  • NH3 0
  • NO2 6
  • O3 60
  • PM10 0
  • PM25 0
  • SO2 2
  • CH4 1,401

Sunrise / Sunset

19:30
10:04