Yamagata, Japan Weather

  1. Yamagata, Japan Weather
  2. Current conditions
  3. Weather forecast
  4. Averages and extremes
  5. Yesterday's Data
  6. Temperature and possibility of rain in Yamagata over the next 12 hours
  7. Temperature and possibility of rain in Yamagata in the coming days
  8. Rainfall in Yamagata in the coming days
  9. Yamagata Weather Summary
  10. Weather averages by month
  11. Yamagata's weather
  12. Frequently asked questions
  13. Comments
Yamagata, Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
25°C
77.0°F
°C °F

Condition: Clear Sky

Pressure: 994 hPa

Feel like: 30 °C

Temperature: 25°C

Cloud: 19%

Humidity: 76%

Wind: W - 2 km/h

Visibility: 1.3 km

Weather forecast

Thu
06 Aug
24°C / 34°C
Drizzle
Fri
07 Aug
23°C / 31°C
Thunderstorm With Slight
Sat
08 Aug
22°C / 27°C
Thunderstorm With Slight
Sun
09 Aug
22°C / 28°C
Drizzle
Mon
10 Aug
20°C / 27°C
Drizzle
Hourly forecast today:
11:00 AM
21° / 25°
21° / 25°
Clear Sky
76% 15 km/h
12:00 PM
21° / 24°
21° / 24°
Mainly Clear
81% 16 km/h
13:00 PM
21° / 24°
21° / 24°
Clear Sky
84% 15 km/h
14:00 PM
20° / 23°
20° / 23°
Clear Sky
86% 14 km/h
15:00 PM
20° / 22°
20° / 22°
Clear Sky
89% 12 km/h
16:00 PM
21° / 22°
21° / 22°
Clear Sky
93% 11 km/h
17:00 PM
20° / 22°
20° / 22°
Clear Sky
92% 10 km/h
18:00 PM
20° / 22°
20° / 22°
Clear Sky
91% 10 km/h
19:00 PM
20° / 22°
20° / 22°
Clear Sky
90% 9 km/h
20:00 PM
20° / 21°
20° / 21°
Clear Sky
92% 9 km/h
21:00 PM
20° / 22°
20° / 22°
Clear Sky
91% 8 km/h

30 Day Averages and Extremes

  • Average high 27.23°C
  • Average low 20.0°C
  • Hottest day 34°C (05 August 2026)
  • Coldest day 0°C (19 August 2026)
  • Average humidity 80.33%
  • Days with precipitation 26 days
  • Highest precipitation 99 mm (24 July 2026)

Yesterday's Data

  • Max: 32°C
  • Min: 17°C
  • Total Precipitation: 0 mm

Temperature and possibility of rain in Yamagata over the next 12 hours

Temperature and possibility of rain in Yamagata in the coming days

Rainfall in Yamagata in the coming days

Yamagata Climate Summary

Yamagata features a Humid continental, no dry season, hot summer (Köppen classification: Dfa), with an average annual temperature of 11.14ºC (52.05ºF), which is about -4.05% lower than the national average for Japan. Annually, the city experiences approximately 70.41 millimeters (2.77 inches) of rainfall, spread across 165.54 rainy days, accounting for 45.35% of the year.

Longitude 38.2554153
Latitude 140.3396175
Yearly high temperature 13.96ºC (57.13ºF)
Yearly low temperature 5.95ºC (42.71ºF)
Hottest month August 27.89ºC (82.2ºF)
Coldest month January -5.38ºC (22.32ºF)
Yearly precip 70.41mm (2.77in)
Days with rainfall 165.54 days (45.35%)
Driest month November (84.01%)
Wettest month July (85.79%)

Weather averages by month

Month High / Low (°C) Rain
January -0.02° / -5.38° 20.09 days
February 0.82° / -5.64° 15.27 days
March 5.35° / -2.11° 13.0 days
April 11.96° / 2.89° 9.64 days
May 19.51° / 8.48° 10.36 days
June 22.82° / 12.56° 12.27 days
July 26.5° / 17.74° 16.0 days
August 27.89° / 18.89° 15.27 days
September 23.1° / 14.7° 11.73 days
October 16.56° / 8.36° 10.09 days
November 9.92° / 3.1° 11.55 days
December 3.09° / -2.19° 20.27 days

Yamagata's weather

Frequently asked questions

1. What is the hottest month in Yamagata?

August has the highest average monthly temperature (daily mean of 27.89ºC) and January are the coolest (daily mean of -5.38ºC).

2. What should I wear in Yamagata today?

For today's very hot weather in Yamagata, with the high temperatures above 34ºC (93.2ºF), consider wearing:
- High SPF sunscreen for outdoor activities
- Airy sandals or flip-flops
- Broad-brimmed sun hat
- Light, natural fabrics (like cotton or linen)

Temperature

Early
21°C / 29°C
Morning
21°C / 28°C
Afternoon
20°C / 22°C
Evening
20°C / 22°C

Air quality

Moderate

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

  • CO2 444
  • CO 161
  • NH3 0
  • NO2 10
  • O3 49
  • PM10 12
  • PM25 9
  • SO2 3
  • CH4 1,433

Sunrise / Sunset

19:45
09:43