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:
15°C
59.0°F
°C °F

Condition: Slight Rain

Pressure: 961 hPa

Feel like: 15 °C

Temperature: 15°C

Cloud: 94%

Humidity: 95%

Wind: SE - 10 km/h

Visibility: 1.8 km

Weather forecast

Sat
24 Oct
16°C / 19°C
Heavy Rain
Sun
25 Oct
17°C / 23°C
Moderate Rain Showers
Mon
26 Oct
12°C / 19°C
Slight Thunderstorm
Tue
27 Oct
7°C / 16°C
Overcast
Wed
28 Oct
7°C / 17°C
Drizzle
Hourly forecast today:
13:00 PM
14° / 15°
14° / 15°
Slight Rain
95% 22 km/h
14:00 PM
15° / 16°
15° / 16°
Moderate Rain
94% 28 km/h
15:00 PM
15° / 16°
15° / 16°
Moderate Rain
94% 25 km/h
16:00 PM
15° / 16°
15° / 16°
Slight Rain
94% 19 km/h
17:00 PM
15° / 16°
15° / 16°
Moderate Drizzle
94% 31 km/h
18:00 PM
15° / 16°
15° / 16°
Drizzle Dense Intensity
95% 36 km/h
19:00 PM
16° / 16°
16° / 16°
Slight Rain
96% 40 km/h
20:00 PM
16° / 17°
16° / 17°
Moderate Rain
96% 40 km/h
21:00 PM
17° / 17°
17° / 17°
Slight Rain
96% 39 km/h
22:00 PM
17° / 18°
17° / 18°
Drizzle Dense Intensity
96% 33 km/h
23:00 PM
18° / 18°
18° / 18°
Drizzle
96% 27 km/h

30 Day Averages and Extremes

  • Average high 17.57°C
  • Average low 10.8°C
  • Hottest day 23°C (10 October 2026)
  • Coldest day 0°C (06 November 2026)
  • Average humidity 73.23%
  • Days with precipitation 23 days
  • Highest precipitation 85 mm (23 October 2026)

Yesterday's Data

  • Max: 16°C
  • Min: 11°C
  • Total Precipitation: 14 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:
- Sunglasses
- Shorts or lightweight trousers
- Sun hat or cap
- Light, breathable socks

Temperature

Early
10°C / 16°C
Morning
12°C / 13°C
Afternoon
15°C / 16°C
Evening
17°C / 17°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 476
  • CO 181
  • NH3 0
  • NO2 13
  • O3 55
  • PM10 4
  • PM25 3
  • SO2 3
  • CH4 1,502

Sunrise / Sunset

21:26
08:29