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:
17°C
62.6°F
°C °F

Condition: Partly Cloudy

Pressure: 949 hPa

Feel like: 19 °C

Temperature: 17°C

Cloud: 60%

Humidity: 96%

Wind: NNW - 6 km/h

Visibility: 14.02 km

Weather forecast

Mon
22 Jun
16°C / 22°C
Drizzle
Tue
23 Jun
16°C / 23°C
Drizzle
Wed
24 Jun
18°C / 21°C
Slight Thunderstorm
Thu
25 Jun
14°C / 23°C
Drizzle
Fri
26 Jun
13°C / 24°C
Overcast
Hourly forecast today:
17:00 PM
17° / 17°
17° / 17°
Partly Cloudy
96% 32 km/h
18:00 PM
17° / 17°
17° / 17°
Partly Cloudy
95% 32 km/h
19:00 PM
16° / 17°
16° / 17°
Mainly Clear
94% 27 km/h
20:00 PM
16° / 17°
16° / 17°
Mainly Clear
93% 21 km/h
21:00 PM
16° / 17°
16° / 17°
Mainly Clear
92% 26 km/h
22:00 PM
16° / 18°
16° / 18°
Partly Cloudy
87% 34 km/h
23:00 PM
16° / 19°
16° / 19°
Mainly Clear
82% 34 km/h
00:00 AM
16° / 20°
16° / 20°
Mainly Clear
78% 34 km/h
01:00 AM
17° / 21°
17° / 21°
Mainly Clear
76% 33 km/h
02:00 AM
17° / 21°
17° / 21°
Mainly Clear
76% 30 km/h
03:00 AM
17° / 22°
17° / 22°
Partly Cloudy
74% 29 km/h

30 Day Averages and Extremes

  • Average high 22.7°C
  • Average low 16.47°C
  • Hottest day 26°C (12 June 2026)
  • Coldest day 12°C (09 June 2026)
  • Average humidity 85.57%
  • Days with precipitation 25 days
  • Highest precipitation 94 mm (19 June 2026)

Yesterday's Data

  • Max: 20°C
  • Min: 17°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 warm weather in Yamaguchi, with temperatures between 19ºC to 22ºC (66.2ºF to 71.6ºF), you might consider wearing:
- Cotton or linen fabrics
- T-shirt or short-sleeve blouse
- Comfortable sandals or sneakers
- Shorts or lightweight trousers

Temperature

Early
16°C / 18°C
Morning
16°C / 18°C
Afternoon
17°C / 17°C
Evening
16°C / 17°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 448
  • CO 108
  • NH3 0
  • NO2 1
  • O3 78
  • PM10 5
  • PM25 4
  • SO2 0
  • CH4 1,375

Sunrise / Sunset

20:02
10:29