Yamagata, Japan Weather

Yamagata,  Weather
(Photo by Sora Sagano on Unsplash)

Current conditions

Updated:
21°C
69.8°F
°C °F

Condition: Mainly Clear

Pressure: 1,001 hPa

Feel like: 24 °C

Temperature: 21°C

Cloud: 20%

Humidity: 78%

Wind: NNE - 5 km/h

Visibility: 8.72 km

Weather forecast

Sun
06 Sep
19°C / 22°C
Heavy Rain
Mon
07 Sep
19°C / 29°C
Slight Thunderstorm
Tue
08 Sep
19°C / 23°C
Moderate Rain Showers
Wed
09 Sep
17°C / 19°C
Moderate Drizzle
Thu
10 Sep
17°C / 21°C
Drizzle
Hourly forecast today:
23:00 PM
17° / 21°
17° / 21°
Mainly Clear
78% 12 km/h
00:00 AM
18° / 22°
18° / 22°
Mainly Clear
76% 20 km/h
01:00 AM
18° / 23°
18° / 23°
Mainly Clear
73% 28 km/h
02:00 AM
18° / 24°
18° / 24°
Mainly Clear
71% 31 km/h
03:00 AM
18° / 24°
18° / 24°
Mainly Clear
69% 33 km/h
04:00 AM
18° / 24°
18° / 24°
Overcast
67% 37 km/h
05:00 AM
18° / 24°
18° / 24°
Mainly Clear
67% 38 km/h
06:00 AM
17° / 24°
17° / 24°
Mainly Clear
66% 33 km/h
07:00 AM
17° / 23°
17° / 23°
Partly Cloudy
67% 24 km/h
08:00 AM
16° / 22°
16° / 22°
Overcast
71% 14 km/h
09:00 AM
16° / 21°
16° / 21°
Overcast
74% 12 km/h

30 Day Averages and Extremes

  • Average high 24.73°C
  • Average low 18.43°C
  • Hottest day 34°C (24 August 2026)
  • Coldest day 0°C (19 September 2026)
  • Average humidity 80.67%
  • Days with precipitation 29 days
  • Highest precipitation 75 mm (06 September 2026)

Yesterday's Data

  • Max: 26°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

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 21ºC to 24ºC (69.8ºF to 75.2ºF), you might consider wearing:
- Shorts or lightweight trousers
- Comfortable sandals or sneakers
- Sunscreen (if spending time outdoors)
- Sun hat or cap

Temperature

Early
16°C / 26°C
Morning
18°C / 23°C
Afternoon
17°C / 19°C
Evening
16°C / 18°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 449
  • CO 147
  • NH3 0
  • NO2 3
  • O3 67
  • PM10 4
  • PM25 3
  • SO2 2
  • CH4 1,414

Sunrise / Sunset

20:12
09:01