Yamagata, Japan Weather

Yamagata,  Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
15°C
59.0°F
°C °F

Condition: Drizzle

Pressure: 990 hPa

Feel like: 15 °C

Temperature: 15°C

Cloud: 98%

Humidity: 95%

Wind: NNW - 5 km/h

Visibility: 5.44 km

Weather forecast

Tue
23 Jun
14°C / 26°C
Overcast
Wed
24 Jun
16°C / 26°C
Overcast
Thu
25 Jun
19°C / 26°C
Thunderstorm Heavy Hail
Fri
26 Jun
17°C / 26°C
Drizzle
Sat
27 Jun
16°C / 27°C
Mainly Clear
Hourly forecast today:
17:00 PM
14° / 15°
14° / 15°
Drizzle
95% 5 km/h
18:00 PM
14° / 14°
14° / 14°
Drizzle
96% 6 km/h
19:00 PM
14° / 14°
14° / 14°
Drizzle
96% 6 km/h
20:00 PM
14° / 14°
14° / 14°
Drizzle
96% 6 km/h
21:00 PM
13° / 14°
13° / 14°
Drizzle
95% 10 km/h
22:00 PM
13° / 14°
13° / 14°
Drizzle
94% 9 km/h
23:00 PM
13° / 15°
13° / 15°
Drizzle
93% 10 km/h
00:00 AM
14° / 15°
14° / 15°
Drizzle
91% 12 km/h
01:00 AM
13° / 15°
13° / 15°
Drizzle
88% 14 km/h
02:00 AM
14° / 16°
14° / 16°
Overcast
86% 15 km/h
03:00 AM
13° / 17°
13° / 17°
Overcast
82% 18 km/h

30 Day Averages and Extremes

  • Average high 24.6°C
  • Average low 15.3°C
  • Hottest day 30°C (16 June 2026)
  • Coldest day 0°C (06 July 2026)
  • Average humidity 74.7%
  • Days with precipitation 27 days
  • Highest precipitation 100 mm (20 June 2026)

Yesterday's Data

  • Max: 19°C
  • Min: 15°C
  • Total Precipitation: 8 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

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 warm weather in Yamagata, with temperatures between 17ºC to 20ºC (62.6ºF to 68.0ºF), you might consider wearing:
- T-shirt or short-sleeve blouse
- Light, breathable socks
- Sunscreen (if spending time outdoors)
- Sunglasses

Temperature

Early
17°C / 18°C
Morning
16°C / 18°C
Afternoon
14°C / 15°C
Evening
13°C / 14°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 475
  • CO 138
  • NH3 0
  • NO2 2
  • O3 65
  • PM10 1
  • PM25 0
  • SO2 1
  • CH4 1,570

Sunrise / Sunset

19:16
10:05