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: Partly Cloudy

Pressure: 971 hPa

Feel like: 20 °C

Temperature: 19°C

Cloud: 72%

Humidity: 71%

Wind: S - 2 km/h

Visibility: 8.54 km

Weather forecast

Tue
23 Jun
17°C / 24°C
Moderate Drizzle
Wed
24 Jun
18°C / 21°C
Moderate Drizzle
Thu
25 Jun
19°C / 26°C
Slight Thunderstorm
Fri
26 Jun
19°C / 28°C
Drizzle
Sat
27 Jun
21°C / 27°C
Drizzle
Hourly forecast today:
17:00 PM
14° / 19°
14° / 19°
Partly Cloudy
71% 12 km/h
18:00 PM
13° / 18°
13° / 18°
Clear Sky
75% 11 km/h
19:00 PM
13° / 17°
13° / 17°
Clear Sky
76% 12 km/h
20:00 PM
13° / 17°
13° / 17°
Clear Sky
76% 13 km/h
21:00 PM
13° / 18°
13° / 18°
Mainly Clear
74% 14 km/h
22:00 PM
13° / 19°
13° / 19°
Partly Cloudy
68% 16 km/h
23:00 PM
14° / 21°
14° / 21°
Partly Cloudy
63% 17 km/h
00:00 AM
13° / 23°
13° / 23°
Mainly Clear
55% 19 km/h
01:00 AM
13° / 25°
13° / 25°
Mainly Clear
49% 20 km/h
02:00 AM
13° / 26°
13° / 26°
Clear Sky
43% 19 km/h
03:00 AM
12° / 28°
12° / 28°
Clear Sky
39% 16 km/h

30 Day Averages and Extremes

  • Average high 25.8°C
  • Average low 17.43°C
  • Hottest day 32°C (20 June 2026)
  • Coldest day 0°C (06 July 2026)
  • Average humidity 74.97%
  • Days with precipitation 28 days
  • Highest precipitation 73 mm (14 June 2026)

Yesterday's Data

  • Max: 28°C
  • Min: 20°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:
- Sunscreen for skin protection
- Thin, moisture-wicking socks
- Open-toed sandals or light sneakers
- UV-protective sunglasses

Temperature

Early
16°C / 27°C
Morning
15°C / 25°C
Afternoon
14°C / 20°C
Evening
13°C / 18°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 507
  • CO 159
  • NH3 0
  • NO2 17
  • O3 44
  • PM10 4
  • PM25 4
  • SO2 11
  • CH4 1,452

Sunrise / Sunset

19:30
10:04