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:
22°C
71.6°F
°C °F

Condition: Moderate Rain

Pressure: 946 hPa

Feel like: 26 °C

Temperature: 22°C

Cloud: 71%

Humidity: 96%

Wind: SW - 6 km/h

Visibility: 1.86 km

Weather forecast

Sun
21 Jun
16°C / 19°C
Moderate Drizzle
Mon
22 Jun
15°C / 19°C
Drizzle Dense Intensity
Tue
23 Jun
16°C / 19°C
Moderate Rain Showers
Wed
24 Jun
18°C / 22°C
Moderate Drizzle
Thu
25 Jun
17°C / 19°C
Thunderstorm With Slight
Hourly forecast today:
07:00 AM
21° / 22°
21° / 22°
Moderate Rain
96% 49 km/h
08:00 AM
21° / 22°
21° / 22°
Drizzle
96% 48 km/h
09:00 AM
21° / 21°
21° / 21°
Drizzle
96% 48 km/h
10:00 AM
21° / 21°
21° / 21°
Moderate Drizzle
99% 39 km/h
11:00 AM
20° / 20°
20° / 20°
Drizzle
99% 35 km/h
12:00 PM
19° / 19°
19° / 19°
Mainly Clear
96% 42 km/h
13:00 PM
18° / 19°
18° / 19°
Mainly Clear
96% 46 km/h
14:00 PM
18° / 18°
18° / 18°
Mainly Clear
96% 45 km/h
15:00 PM
18° / 18°
18° / 18°
Mainly Clear
96% 41 km/h
16:00 PM
17° / 18°
17° / 18°
Mainly Clear
95% 42 km/h
17:00 PM
17° / 18°
17° / 18°
Mainly Clear
95% 42 km/h

30 Day Averages and Extremes

  • Average high 21.37°C
  • Average low 15.6°C
  • Hottest day 27°C (30 June 2026)
  • Coldest day 0°C (03 July 2026)
  • Average humidity 83.27%
  • Days with precipitation 25 days
  • Highest precipitation 94 mm (19 June 2026)

Yesterday's Data

  • Max: 22°C
  • Min: 18°C
  • Total Precipitation: 59 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 17ºC to 20ºC (62.6ºF to 68.0ºF), you might consider wearing:
- Sunglasses
- Sun hat or cap
- Comfortable sandals or sneakers
- T-shirt or short-sleeve blouse

Temperature

Early
21°C / 22°C
Morning
21°C / 21°C
Afternoon
18°C / 18°C
Evening
17°C / 18°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 447
  • CO 124
  • NH3 0
  • NO2 4
  • O3 60
  • PM10 5
  • PM25 4
  • SO2 3
  • CH4 1,360

Sunrise / Sunset

20:02
10:29