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:
6°C
42.8°F
°C °F

Condition: Overcast

Pressure: 962 hPa

Feel like: 4 °C

Temperature: 6°C

Cloud: 33%

Humidity: 73%

Wind: SE - 3 km/h

Visibility: 24.14 km

Weather forecast

Wed
12 Nov
10°C / 14°C
Slight Rain
Thu
13 Nov
7°C / 14°C
Overcast
Fri
14 Nov
5°C / 17°C
Overcast
Sat
15 Nov
7°C / 12°C
Moderate Drizzle
Sun
16 Nov
1°C / 9°C
Overcast
Hourly forecast today:
22:00 PM
1° / 6°
1° / 6°
Overcast
73% 9 km/h
23:00 PM
2° / 8°
2° / 8°
Overcast
69% 10 km/h
00:00 AM
3° / 9°
3° / 9°
Overcast
65% 12 km/h
01:00 AM
3° / 11°
3° / 11°
Partly Cloudy
61% 15 km/h
02:00 AM
4° / 12°
4° / 12°
Partly Cloudy
57% 17 km/h
03:00 AM
4° / 13°
4° / 13°
Partly Cloudy
55% 19 km/h
04:00 AM
4° / 13°
4° / 13°
Overcast
55% 18 km/h
05:00 AM
4° / 13°
4° / 13°
Overcast
56% 16 km/h
06:00 AM
5° / 13°
5° / 13°
Overcast
58% 15 km/h
07:00 AM
5° / 12°
5° / 12°
Overcast
62% 15 km/h
08:00 AM
4° / 10°
4° / 10°
Overcast
67% 17 km/h

30 Day Averages and Extremes

  • Average high 14.9°C
  • Average low 7.97°C
  • Hottest day 20°C (23 October 2025)
  • Coldest day 1°C (16 November 2025)
  • Average humidity 74.0%
  • Days with precipitation 14 days
  • Highest precipitation 54 mm (08 November 2025)

Yesterday's Data

  • Max: 13°C
  • Min: 4°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 10ºC to 13ºC (50.0ºF to 55.4ºF), you should consider wearing:
- Cotton socks
- Long-sleeve top or shirt
- Casual shoes or sneakers
- Light scarf or wrap

Temperature

Early
5°C / 13°C
Morning
5°C / 8°C
Afternoon
1°C / 4°C
Evening
1°C / 5°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 0
  • CO 0
  • NH3 0
  • NO2 0
  • O3 0
  • PM10 0
  • PM25 0
  • SO2 0
  • CH4 0

Sunrise / Sunset

21:44
08:12