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:
23°C
73.4°F
°C °F

Condition: Partly Cloudy

Pressure: 1,002 hPa

Feel like: 28 °C

Temperature: 23°C

Cloud: 52%

Humidity: 91%

Wind: E - 3 km/h

Visibility: 6.04 km

Weather forecast

Sun
21 Jun
21°C / 28°C
Overcast
Mon
22 Jun
18°C / 25°C
Overcast
Tue
23 Jun
18°C / 21°C
Moderate Rain
Wed
24 Jun
19°C / 24°C
Slight Thunderstorm
Thu
25 Jun
20°C / 26°C
Moderate Rain Showers
Hourly forecast today:
10:00 AM
22° / 23°
22° / 23°
Partly Cloudy
91% 26 km/h
11:00 AM
22° / 23°
22° / 23°
Partly Cloudy
93% 22 km/h
12:00 PM
22° / 23°
22° / 23°
Moderate Drizzle
95% 18 km/h
13:00 PM
22° / 23°
22° / 23°
Moderate Drizzle
95% 28 km/h
14:00 PM
22° / 23°
22° / 23°
Mainly Clear
94% 37 km/h
15:00 PM
22° / 23°
22° / 23°
Mainly Clear
94% 41 km/h
16:00 PM
22° / 23°
22° / 23°
Mainly Clear
94% 41 km/h
17:00 PM
22° / 23°
22° / 23°
Mainly Clear
93% 42 km/h
18:00 PM
22° / 23°
22° / 23°
Partly Cloudy
93% 41 km/h
19:00 PM
21° / 23°
21° / 23°
Drizzle
92% 38 km/h
20:00 PM
21° / 22°
21° / 22°
Clear Sky
92% 37 km/h

30 Day Averages and Extremes

  • Average high 26.03°C
  • Average low 19.4°C
  • Hottest day 34°C (04 July 2026)
  • Coldest day 15°C (09 June 2026)
  • Average humidity 80.1%
  • Days with precipitation 26 days
  • Highest precipitation 90 mm (19 June 2026)

Yesterday's Data

  • Max: 24°C
  • Min: 22°C
  • Total Precipitation: 23 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 25ºC (77.0ºF), consider wearing:
- UV-protective sunglasses
- Breathable shorts or skirts
- Loose and airy fabrics like linen or cotton
- Open-toed sandals or light sneakers

Temperature

Early
22°C / 23°C
Morning
22°C / 24°C
Afternoon
22°C / 23°C
Evening
20°C / 22°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 451
  • CO 210
  • NH3 0
  • NO2 12
  • O3 53
  • PM10 7
  • PM25 6
  • SO2 4
  • CH4 1,485

Sunrise / Sunset

19:51
10:20