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:
30°C
86.0°F
°C °F

Condition: Clear Sky

Pressure: 975 hPa

Feel like: 32 °C

Temperature: 30°C

Cloud: 2%

Humidity: 50%

Wind: ESE - 13 km/h

Visibility: 40.68 km

Weather forecast

Wed
05 Aug
24°C / 34°C
Slight Thunderstorm
Thu
06 Aug
23°C / 32°C
Drizzle Dense Intensity
Fri
07 Aug
23°C / 32°C
Drizzle
Sat
08 Aug
21°C / 28°C
Thunderstorm With Slight
Sun
09 Aug
21°C / 30°C
Drizzle
Hourly forecast today:
06:00 AM
18° / 30°
18° / 30°
Clear Sky
50% 38 km/h
07:00 AM
18° / 29°
18° / 29°
Clear Sky
52% 37 km/h
08:00 AM
18° / 28°
18° / 28°
Clear Sky
56% 36 km/h
09:00 AM
18° / 26°
18° / 26°
Clear Sky
61% 33 km/h
10:00 AM
18° / 25°
18° / 25°
Clear Sky
65% 29 km/h
11:00 AM
18° / 24°
18° / 24°
Clear Sky
67% 21 km/h
12:00 PM
17° / 23°
17° / 23°
Clear Sky
69% 21 km/h
13:00 PM
17° / 23°
17° / 23°
Mainly Clear
69% 19 km/h
14:00 PM
17° / 23°
17° / 23°
Mainly Clear
69% 17 km/h
15:00 PM
17° / 22°
17° / 22°
Mainly Clear
73% 13 km/h
16:00 PM
17° / 22°
17° / 22°
Mainly Clear
73% 11 km/h

30 Day Averages and Extremes

  • Average high 32.1°C
  • Average low 22.7°C
  • Hottest day 39°C (22 July 2026)
  • Coldest day 18°C (16 August 2026)
  • Average humidity 76.83%
  • Days with precipitation 27 days
  • Highest precipitation 52 mm (27 July 2026)

Yesterday's Data

  • Max: 31°C
  • Min: 21°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 29ºC (84.2ºF), consider wearing:
- Loose and airy fabrics like linen or cotton
- UV-protective sunglasses
- Lightweight t-shirt or tank top
- Wide-brimmed sun hat

Temperature

Early
17°C / 30°C
Morning
18°C / 26°C
Afternoon
17°C / 22°C
Evening
18°C / 21°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 434
  • CO 132
  • NH3 0
  • NO2 1
  • O3 99
  • PM10 13
  • PM25 10
  • SO2 4
  • CH4 1,417

Sunrise / Sunset

19:56
09:46