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:
26°C
78.8°F
°C °F

Condition: Mainly Clear

Pressure: 1,009 hPa

Feel like: 33 °C

Temperature: 26°C

Cloud: 40%

Humidity: 92%

Wind: NNW - 1 km/h

Visibility: 10.22 km

Weather forecast

Tue
21 Jul
25°C / 35°C
Mainly Clear
Wed
22 Jul
26°C / 36°C
Drizzle
Thu
23 Jul
26°C / 36°C
Drizzle
Fri
24 Jul
26°C / 37°C
Drizzle
Sat
25 Jul
27°C / 35°C
Overcast
Hourly forecast today:
22:00 PM
25° / 26°
25° / 26°
Mainly Clear
92% 10 km/h
23:00 PM
25° / 27°
25° / 27°
Mainly Clear
89% 10 km/h
00:00 AM
25° / 29°
25° / 29°
Mainly Clear
83% 14 km/h
01:00 AM
25° / 30°
25° / 30°
Mainly Clear
75% 16 km/h
02:00 AM
25° / 32°
25° / 32°
Clear Sky
69% 16 km/h
03:00 AM
26° / 33°
26° / 33°
Mainly Clear
66% 19 km/h
04:00 AM
26° / 33°
26° / 33°
Mainly Clear
64% 20 km/h
05:00 AM
26° / 34°
26° / 34°
Mainly Clear
62% 20 km/h
06:00 AM
25° / 35°
25° / 35°
Clear Sky
59% 20 km/h
07:00 AM
25° / 35°
25° / 35°
Clear Sky
59% 18 km/h
08:00 AM
25° / 33°
25° / 33°
Clear Sky
61% 19 km/h

30 Day Averages and Extremes

  • Average high 33.7°C
  • Average low 24.93°C
  • Hottest day 38°C (01 August 2026)
  • Coldest day 22°C (08 July 2026)
  • Average humidity 72.43%
  • Days with precipitation 23 days
  • Highest precipitation 86 mm (05 July 2026)

Yesterday's Data

  • Max: 33°C
  • Min: 25°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 35ºC (95.0ºF), consider wearing:
- UV-blocking sunglasses
- Broad-brimmed sun hat
- Ultra-thin, breathable socks
- Lightweight, loose-fitting shorts

Temperature

Early
25°C / 32°C
Morning
24°C / 31°C
Afternoon
25°C / 27°C
Evening
25°C / 26°C

Air quality

Moderate

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

  • CO2 521
  • CO 195
  • NH3 0
  • NO2 17
  • O3 60
  • PM10 33
  • PM25 31
  • SO2 9
  • CH4 1,995

Sunrise / Sunset

20:06
10:15