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:
4°C
39.2°F
°C °F

Condition: Slight Rain

Pressure: 982 hPa

Feel like: 1 °C

Temperature: 4°C

Cloud: 100%

Humidity: 82%

Wind: NE - 6 km/h

Visibility: 0.24 km

Weather forecast

Tue
17 Feb
0°C / 12°C
Fog
Wed
18 Feb
0°C / 11°C
Overcast
Thu
19 Feb
3°C / 13°C
Mainly Clear
Fri
20 Feb
3°C / 9°C
Overcast
Sat
21 Feb
4°C / 14°C
Overcast
Hourly forecast today:
21:00 PM
1° / 4°
1° / 4°
Slight Rain
82% 11 km/h
22:00 PM
1° / 4°
1° / 4°
Slight Rain
81% 12 km/h
23:00 PM
1° / 4°
1° / 4°
Slight Rain
80% 12 km/h
00:00 AM
1° / 4°
1° / 4°
Slight Rain
79% 13 km/h
01:00 AM
1° / 4°
1° / 4°
Slight Rain
78% 14 km/h
02:00 AM
1° / 5°
1° / 5°
Slight Rain
76% 14 km/h
03:00 AM
1° / 5°
1° / 5°
Slight Rain
75% 14 km/h
04:00 AM
1° / 6°
1° / 6°
Overcast
73% 14 km/h
05:00 AM
2° / 6°
2° / 6°
Overcast
72% 12 km/h
06:00 AM
2° / 7°
2° / 7°
Overcast
71% 11 km/h
07:00 AM
2° / 6°
2° / 6°
Overcast
71% 11 km/h

30 Day Averages and Extremes

  • Average high 9.93°C
  • Average low 0.4°C
  • Hottest day 16°C (14 February 2026)
  • Coldest day -7°C (08 February 2026)
  • Average humidity 59.47%
  • Days with precipitation 15 days
  • Highest precipitation 55 mm (06 February 2026)

Yesterday's Data

  • Max: 14°C
  • Min: 0°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 cold weather in Yamanashi, with temperatures ranging from 4ºC to 7ºC (39.2ºF to 44.6ºF), you should wear:
- Long pants (jeans or other thick materials)
- Closed-toe shoes or boots
- Scarf to protect the neck area
- Warm jacket or medium-weight coat

Temperature

Early
2°C / 12°C
Morning
5°C / 11°C
Afternoon
5°C / 7°C
Evening
1°C / 4°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 0
  • CO 0
  • NH3 0
  • NO2 0
  • O3 0
  • PM10 0
  • PM25 0
  • SO2 0
  • CH4 0

Sunrise / Sunset

21:30
08:28