Yamagata, Japan Weather

Yamagata,  Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
15°C
59.0°F
°C °F

Condition: Clear Sky

Pressure: 998 hPa

Feel like: 16 °C

Temperature: 15°C

Cloud: 0%

Humidity: 87%

Wind: NW - 2 km/h

Visibility: 28.98 km

Weather forecast

Sun
14 Jun
18°C / 27°C
Overcast
Mon
15 Jun
13°C / 25°C
Overcast
Tue
16 Jun
13°C / 28°C
Overcast
Wed
17 Jun
16°C / 28°C
Drizzle
Thu
18 Jun
15°C / 27°C
Overcast
Hourly forecast today:
18:00 PM
13° / 15°
13° / 15°
Clear Sky
87% 5 km/h
19:00 PM
13° / 15°
13° / 15°
Clear Sky
86% 6 km/h
20:00 PM
13° / 15°
13° / 15°
Clear Sky
88% 3 km/h
21:00 PM
13° / 16°
13° / 16°
Clear Sky
84% 6 km/h
22:00 PM
13° / 18°
13° / 18°
Clear Sky
75% 12 km/h
23:00 PM
14° / 20°
14° / 20°
Clear Sky
69% 17 km/h
00:00 AM
15° / 23°
15° / 23°
Clear Sky
61% 21 km/h
01:00 AM
15° / 25°
15° / 25°
Clear Sky
54% 23 km/h
02:00 AM
16° / 27°
16° / 27°
Clear Sky
49% 22 km/h
03:00 AM
15° / 29°
15° / 29°
Clear Sky
44% 20 km/h
04:00 AM
16° / 30°
16° / 30°
Mainly Clear
44% 18 km/h

30 Day Averages and Extremes

  • Average high 23.6°C
  • Average low 14.63°C
  • Hottest day 32°C (31 May 2026)
  • Coldest day 0°C (27 June 2026)
  • Average humidity 73.6%
  • Days with precipitation 26 days
  • Highest precipitation 73 mm (02 June 2026)

Yesterday's Data

  • Max: 26°C
  • Min: 14°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

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 30ºC (86.0ºF), consider wearing:
- UV-blocking sunglasses
- Airy sandals or flip-flops
- Broad-brimmed sun hat
- Sleeveless tops or vests

Temperature

Early
15°C / 26°C
Morning
16°C / 24°C
Afternoon
14°C / 17°C
Evening
13°C / 16°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 510
  • CO 165
  • NH3 0
  • NO2 9
  • O3 23
  • PM10 7
  • PM25 7
  • SO2 0
  • CH4 1,701

Sunrise / Sunset

19:14
10:03