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:
32°C
89.6°F
°C °F

Condition: Clear Sky

Pressure: 1,005 hPa

Feel like: 37 °C

Temperature: 32°C

Cloud: 9%

Humidity: 57%

Wind: SE - 3 km/h

Visibility: 37.5 km

Weather forecast

Thu
06 Aug
26°C / 33°C
Mainly Clear
Fri
07 Aug
27°C / 34°C
Overcast
Sat
08 Aug
26°C / 33°C
Slight Thunderstorm
Sun
09 Aug
23°C / 33°C
Slight Thunderstorm
Mon
10 Aug
23°C / 33°C
Drizzle
Hourly forecast today:
09:00 AM
22° / 32°
22° / 32°
Clear Sky
57% 29 km/h
10:00 AM
22° / 31°
22° / 31°
Clear Sky
62% 27 km/h
11:00 AM
23° / 29°
23° / 29°
Clear Sky
67% 19 km/h
12:00 PM
22° / 29°
22° / 29°
Clear Sky
67% 16 km/h
13:00 PM
23° / 28°
23° / 28°
Clear Sky
72% 18 km/h
14:00 PM
23° / 28°
23° / 28°
Clear Sky
76% 21 km/h
15:00 PM
24° / 28°
24° / 28°
Clear Sky
80% 24 km/h
16:00 PM
23° / 27°
23° / 27°
Clear Sky
79% 24 km/h
17:00 PM
23° / 27°
23° / 27°
Mainly Clear
78% 21 km/h
18:00 PM
23° / 26°
23° / 26°
Clear Sky
79% 17 km/h
19:00 PM
23° / 26°
23° / 26°
Clear Sky
81% 18 km/h

30 Day Averages and Extremes

  • Average high 32.0°C
  • Average low 23.37°C
  • Hottest day 36°C (22 July 2026)
  • Coldest day 0°C (19 August 2026)
  • Average humidity 70.43%
  • Days with precipitation 27 days
  • Highest precipitation 47 mm (28 July 2026)

Yesterday's Data

  • Max: 33°C
  • Min: 24°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 very hot weather in Okayama, with the high temperatures above 34ºC (93.2ºF), consider wearing:
- Ultra-thin, breathable socks
- Broad-brimmed sun hat
- Light, natural fabrics (like cotton or linen)
- Airy sandals or flip-flops

Temperature

Early
22°C / 32°C
Morning
22°C / 32°C
Afternoon
24°C / 28°C
Evening
23°C / 26°C

Air quality

Moderate

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

  • CO2 444
  • CO 132
  • NH3 0
  • NO2 6
  • O3 113
  • PM10 18
  • PM25 14
  • SO2 6
  • CH4 1,393

Sunrise / Sunset

20:17
10:02