Okayama, Japan Weather

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

Current conditions

Updated:
16°C
60.8°F
°C °F

Condition: Clear Sky

Pressure: 1,018 hPa

Feel like: 13 °C

Temperature: 16°C

Cloud: 4%

Humidity: 50%

Wind: WNW - 9 km/h

Visibility: 43.48 km

Weather forecast

Sat
07 Nov
6°C / 15°C
Overcast
Sun
08 Nov
8°C / 16°C
Moderate Drizzle
Mon
09 Nov
5°C / 15°C
Overcast
Tue
10 Nov
3°C / 16°C
Clear Sky
Wed
11 Nov
4°C / 17°C
Overcast
Hourly forecast today:
09:00 AM
5° / 16°
5° / 16°
Clear Sky
50% 24 km/h
10:00 AM
5° / 15°
5° / 15°
Clear Sky
52% 23 km/h
11:00 AM
5° / 14°
5° / 14°
Clear Sky
56% 19 km/h
12:00 PM
5° / 13°
5° / 13°
Clear Sky
58% 19 km/h
13:00 PM
4° / 12°
4° / 12°
Clear Sky
57% 17 km/h
14:00 PM
4° / 12°
4° / 12°
Clear Sky
59% 14 km/h
15:00 PM
4° / 11°
4° / 11°
Clear Sky
63% 15 km/h
16:00 PM
4° / 10°
4° / 10°
Clear Sky
65% 14 km/h
17:00 PM
4° / 10°
4° / 10°
Clear Sky
67% 14 km/h
18:00 PM
4° / 9°
4° / 9°
Mainly Clear
69% 15 km/h
19:00 PM
4° / 9°
4° / 9°
Mainly Clear
70% 16 km/h

30 Day Averages and Extremes

  • Average high 18.67°C
  • Average low 10.33°C
  • Hottest day 24°C (26 October 2026)
  • Coldest day 3°C (10 November 2026)
  • Average humidity 76.6%
  • Days with precipitation 20 days
  • Highest precipitation 67 mm (29 October 2026)

Yesterday's Data

  • Max: 20°C
  • Min: 11°C
  • Total Precipitation: 0 mm

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

Temperature and possibility of rain in Okayama in the coming days

Rainfall in Okayama in the coming days

Okayama Climate Summary

Okayama features a Humid subtropical, no dry season (Köppen classification: Cfa), with an average annual temperature of 16.6ºC (61.88ºF), which is about 1.41% higher than the national average for Japan. Annually, the city experiences approximately 64.96 millimeters (2.56 inches) of rainfall, spread across 96.28 rainy days, accounting for 26.38% of the year.

Longitude 34.6555312
Latitude 133.919795
Yearly high temperature 18.82ºC (65.88ºF)
Yearly low temperature 12.91ºC (55.24ºF)
Hottest month July 28.79ºC (83.82ºF)
Coldest month January 2.88ºC (37.18ºF)
Yearly precip 64.96mm (2.56in)
Days with rainfall 96.28 days (26.38%)
Driest month November (71.28%)
Wettest month July (80.08%)

Weather averages by month

Month High / Low (°C) Rain
January 7.77° / 2.88° 3.0 days
February 8.65° / 3.13° 4.64 days
March 12.29° / 5.56° 6.55 days
April 17.02° / 9.78° 7.45 days
May 22.16° / 14.62° 7.91 days
June 24.93° / 18.76° 13.55 days
July 28.79° / 23.11° 15.27 days
August 30.72° / 24.82° 11.73 days
September 26.59° / 20.95° 10.82 days
October 21.3° / 15.56° 6.82 days
November 15.7° / 10.47° 4.09 days
December 9.91° / 5.26° 4.45 days

Okayama's weather

Frequently asked questions

1. What is the hottest month in Okayama?

July has the highest average monthly temperature (daily mean of 28.79ºC) and January are the coolest (daily mean of 2.88ºC).

2. What should I wear in Okayama today?

For today's mild weather in Okayama, with temperatures between 13ºC to 16ºC (55.4ºF to 60.8ºF), consider wearing:
- Long-sleeve shirt or blouse
- Scarf (optional)
- Sun hat (if spending time outdoors)
- Comfortable jeans or slacks

Temperature

Early
10°C / 20°C
Morning
5°C / 16°C
Afternoon
4°C / 11°C
Evening
4°C / 9°C

Air quality

Moderate

Acceptable air quality, some pollutants present, minor health concerns for sensitive individuals

  • CO2 451
  • CO 193
  • NH3 0
  • NO2 5
  • O3 92
  • PM10 14
  • PM25 10
  • SO2 2
  • CH4 1,418

Sunrise / Sunset

21:29
08:05