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:
22°C
71.6°F
°C °F

Condition: Partly Cloudy

Pressure: 977 hPa

Feel like: 26 °C

Temperature: 22°C

Cloud: 51%

Humidity: 84%

Wind: NE - 1 km/h

Visibility: 0.42 km

Weather forecast

Wed
05 Aug
24°C / 32°C
Drizzle
Thu
06 Aug
23°C / 31°C
Moderate Drizzle
Fri
07 Aug
23°C / 32°C
Moderate Drizzle
Sat
08 Aug
22°C / 29°C
Thunderstorm With Slight
Sun
09 Aug
22°C / 27°C
Drizzle
Hourly forecast today:
17:00 PM
19° / 22°
19° / 22°
Partly Cloudy
84% 13 km/h
18:00 PM
20° / 22°
20° / 22°
Mainly Clear
86% 13 km/h
19:00 PM
20° / 22°
20° / 22°
Mainly Clear
87% 14 km/h
20:00 PM
20° / 22°
20° / 22°
Mainly Clear
89% 11 km/h
21:00 PM
20° / 22°
20° / 22°
Mainly Clear
87% 11 km/h
22:00 PM
20° / 23°
20° / 23°
Mainly Clear
82% 12 km/h
23:00 PM
20° / 24°
20° / 24°
Mainly Clear
79% 14 km/h
00:00 AM
20° / 25°
20° / 25°
Mainly Clear
74% 16 km/h
01:00 AM
21° / 27°
21° / 27°
Mainly Clear
70% 18 km/h
02:00 AM
22° / 29°
22° / 29°
Mainly Clear
67% 21 km/h
03:00 AM
22° / 30°
22° / 30°
Mainly Clear
64% 24 km/h

30 Day Averages and Extremes

  • Average high 32.2°C
  • Average low 23.07°C
  • Hottest day 39°C (22 July 2026)
  • Coldest day 20°C (11 August 2026)
  • Average humidity 77.73%
  • Days with precipitation 28 days
  • Highest precipitation 52 mm (27 July 2026)

Yesterday's Data

  • Max: 31°C
  • Min: 22°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

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:
- UV-blocking sunglasses
- Sleeveless tops or vests
- Airy sandals or flip-flops
- Ultra-thin, breathable socks

Temperature

Early
20°C / 30°C
Morning
18°C / 27°C
Afternoon
19°C / 23°C
Evening
20°C / 22°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 518
  • CO 141
  • NH3 0
  • NO2 11
  • O3 53
  • PM10 25
  • PM25 19
  • SO2 3
  • CH4 1,471

Sunrise / Sunset

19:56
09:46