Yamanashi, Japan Weather

Yamanashi,  Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
33°C
91.4°F
°C °F

Condition: Partly Cloudy

Pressure: 974 hPa

Feel like: 37 °C

Temperature: 33°C

Cloud: 51%

Humidity: 54%

Wind: SE - 7 km/h

Visibility: 8.5 km

Weather forecast

Fri
07 Aug
22°C / 32°C
Slight Thunderstorm
Sat
08 Aug
22°C / 28°C
Thunderstorm With Slight
Sun
09 Aug
21°C / 26°C
Slight Thunderstorm
Mon
10 Aug
20°C / 29°C
Drizzle
Tue
11 Aug
22°C / 28°C
Drizzle
Hourly forecast today:
06:00 AM
22° / 33°
22° / 33°
Partly Cloudy
54% 32 km/h
07:00 AM
22° / 32°
22° / 32°
Partly Cloudy
57% 23 km/h
08:00 AM
23° / 31°
23° / 31°
Drizzle
62% 21 km/h
09:00 AM
23° / 29°
23° / 29°
Drizzle
69% 16 km/h
10:00 AM
23° / 28°
23° / 28°
Mainly Clear
74% 11 km/h
11:00 AM
23° / 27°
23° / 27°
Mainly Clear
79% 6 km/h
12:00 PM
23° / 26°
23° / 26°
Mainly Clear
81% 4 km/h
13:00 PM
23° / 26°
23° / 26°
Mainly Clear
84% 4 km/h
14:00 PM
23° / 25°
23° / 25°
Mainly Clear
85% 5 km/h
15:00 PM
23° / 25°
23° / 25°
Mainly Clear
87% 5 km/h
16:00 PM
23° / 25°
23° / 25°
Mainly Clear
89% 6 km/h

30 Day Averages and Extremes

  • Average high 30.63°C
  • Average low 21.67°C
  • Hottest day 39°C (22 July 2026)
  • Coldest day 0°C (19 August 2026)
  • Average humidity 74.63%
  • Days with precipitation 28 days
  • Highest precipitation 52 mm (27 July 2026)

Yesterday's Data

  • Max: 33°C
  • Min: 24°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

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 33ºC (91.4ºF), consider wearing:
- Ultra-thin, breathable socks
- UV-blocking sunglasses
- Broad-brimmed sun hat
- Light, natural fabrics (like cotton or linen)

Temperature

Early
22°C / 32°C
Morning
23°C / 29°C
Afternoon
23°C / 25°C
Evening
21°C / 24°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 443
  • CO 114
  • NH3 0
  • NO2 4
  • O3 87
  • PM10 8
  • PM25 7
  • SO2 4
  • CH4 1,391

Sunrise / Sunset

19:58
09:44