Yamaguchi, Japan Weather

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

Current conditions

Updated:
10°C
50.0°F
°C °F

Condition: Clear Sky

Pressure: 960 hPa

Feel like: 7 °C

Temperature: 10°C

Cloud: 9%

Humidity: 56%

Wind: NW - 9 km/h

Visibility: 49.84 km

Weather forecast

Sat
07 Nov
3°C / 13°C
Overcast
Sun
08 Nov
7°C / 12°C
Drizzle
Mon
09 Nov
4°C / 10°C
Drizzle
Tue
10 Nov
0°C / 13°C
Overcast
Wed
11 Nov
3°C / 16°C
Clear Sky
Hourly forecast today:
08:00 AM
1° / 10°
1° / 10°
Clear Sky
56% 45 km/h
09:00 AM
1° / 9°
1° / 9°
Clear Sky
56% 38 km/h
10:00 AM
2° / 10°
2° / 10°
Clear Sky
57% 38 km/h
11:00 AM
1° / 10°
1° / 10°
Clear Sky
54% 39 km/h
12:00 PM
1° / 10°
1° / 10°
Clear Sky
52% 41 km/h
13:00 PM
1° / 10°
1° / 10°
Clear Sky
52% 42 km/h
14:00 PM
0° / 9°
0° / 9°
Clear Sky
52% 46 km/h
15:00 PM
1° / 9°
1° / 9°
Clear Sky
56% 49 km/h
16:00 PM
1° / 8°
1° / 8°
Clear Sky
60% 50 km/h
17:00 PM
1° / 8°
1° / 8°
Clear Sky
64% 50 km/h
18:00 PM
2° / 8°
2° / 8°
Clear Sky
66% 48 km/h

30 Day Averages and Extremes

  • Average high 15.07°C
  • Average low 7.87°C
  • Hottest day 21°C (24 October 2026)
  • Coldest day 0°C (10 November 2026)
  • Average humidity 75.03%
  • Days with precipitation 21 days
  • Highest precipitation 84 mm (23 October 2026)

Yesterday's Data

  • Max: 14°C
  • Min: 9°C
  • Total Precipitation: 0 mm

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

Temperature and possibility of rain in Yamaguchi in the coming days

Rainfall in Yamaguchi in the coming days

Yamaguchi Climate Summary

Yamaguchi features a Humid subtropical, no dry season (Köppen classification: Cfa), with an average annual temperature of 16.33ºC (61.39ºF), which is about 1.14% higher than the national average for Japan. Annually, the city experiences approximately 85.81 millimeters (3.38 inches) of rainfall, spread across 106.38 rainy days, accounting for 29.15% of the year.

Longitude 34.2796769
Latitude 131.5212742
Yearly high temperature 18.64ºC (65.55ºF)
Yearly low temperature 12.31ºC (54.16ºF)
Hottest month August 30.11ºC (86.2ºF)
Coldest month January 2.87ºC (37.17ºF)
Yearly precip 85.81mm (3.38in)
Days with rainfall 106.38 days (29.15%)
Driest month November (75.07%)
Wettest month July (84.99%)

Weather averages by month

Month High / Low (°C) Rain
January 7.83° / 2.87° 5.82 days
February 8.95° / 3.05° 8.09 days
March 12.38° / 5.52° 8.64 days
April 16.73° / 9.43° 8.64 days
May 21.76° / 13.85° 8.27 days
June 24.57° / 17.95° 12.27 days
July 28.2° / 22.18° 13.64 days
August 30.11° / 23.55° 11.18 days
September 26.24° / 19.82° 9.82 days
October 21.27° / 14.68° 6.73 days
November 15.84° / 9.9° 5.64 days
December 9.77° / 4.91° 7.64 days

Yamaguchi's weather

Frequently asked questions

1. What is the hottest month in Yamaguchi?

August has the highest average monthly temperature (daily mean of 30.11ºC) and January are the coolest (daily mean of 2.87ºC).

2. What should I wear in Yamaguchi today?

For today's cool weather in Yamaguchi, with temperatures between 7ºC to 10ºC (44.6ºF to 50.0ºF), you should consider wearing:
- Cotton socks
- Light jacket or cardigan
- Knit hat (optional for cooler mornings)
- Comfortable pants or jeans

Temperature

Early
5°C / 13°C
Morning
1°C / 9°C
Afternoon
1°C / 9°C
Evening
2°C / 7°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 446
  • CO 233
  • NH3 0
  • NO2 6
  • O3 85
  • PM10 8
  • PM25 6
  • SO2 2
  • CH4 1,394

Sunrise / Sunset

21:39
08:15