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:
18°C
64.4°F
°C °F

Condition: Overcast

Pressure: 983 hPa

Feel like: 19 °C

Temperature: 18°C

Cloud: 91%

Humidity: 85%

Wind: WNW - 4 km/h

Visibility: 0.76 km

Weather forecast

Mon
22 Jun
14°C / 18°C
Moderate Drizzle
Tue
23 Jun
14°C / 25°C
Overcast
Wed
24 Jun
15°C / 22°C
Drizzle
Thu
25 Jun
19°C / 24°C
Slight Rain
Fri
26 Jun
17°C / 26°C
Overcast
Hourly forecast today:
17:00 PM
15° / 18°
15° / 18°
Overcast
85% 14 km/h
18:00 PM
15° / 18°
15° / 18°
Overcast
86% 15 km/h
19:00 PM
15° / 18°
15° / 18°
Overcast
85% 16 km/h
20:00 PM
15° / 18°
15° / 18°
Overcast
86% 16 km/h
21:00 PM
15° / 18°
15° / 18°
Overcast
86% 17 km/h
22:00 PM
15° / 18°
15° / 18°
Overcast
86% 18 km/h
23:00 PM
15° / 18°
15° / 18°
Overcast
83% 14 km/h
00:00 AM
16° / 18°
16° / 18°
Drizzle
85% 13 km/h
01:00 AM
16° / 18°
16° / 18°
Drizzle
88% 14 km/h
02:00 AM
16° / 18°
16° / 18°
Drizzle
89% 14 km/h
03:00 AM
16° / 18°
16° / 18°
Drizzle
91% 16 km/h

30 Day Averages and Extremes

  • Average high 24.5°C
  • Average low 15.9°C
  • Hottest day 30°C (16 June 2026)
  • Coldest day 12°C (09 June 2026)
  • Average humidity 79.47%
  • Days with precipitation 27 days
  • Highest precipitation 100 mm (20 June 2026)

Yesterday's Data

  • Max: 20°C
  • Min: 17°C
  • Total Precipitation: 53 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 mild weather in Yamagata, with temperatures between 15ºC to 18ºC (59.0ºF to 64.4ºF), consider wearing:
- Casual sneakers or loafers
- Scarf (optional)
- Light jacket (for cooler periods)
- Lightweight sweater or cardigan

Temperature

Early
18°C / 20°C
Morning
16°C / 18°C
Afternoon
15°C / 18°C
Evening
15°C / 18°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 457
  • CO 111
  • NH3 0
  • NO2 2
  • O3 76
  • PM10 4
  • PM25 2
  • SO2 0
  • CH4 1,469

Sunrise / Sunset

19:15
10:05