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:
25°C
77.0°F
°C °F

Condition: Mainly Clear

Pressure: 1,003 hPa

Feel like: 30 °C

Temperature: 25°C

Cloud: 48%

Humidity: 87%

Wind: ESE - 2 km/h

Visibility: 20.14 km

Weather forecast

Sun
21 Jun
20°C / 26°C
Drizzle
Mon
22 Jun
18°C / 24°C
Overcast
Tue
23 Jun
18°C / 23°C
Moderate Rain Showers
Wed
24 Jun
20°C / 25°C
Slight Thunderstorm
Thu
25 Jun
21°C / 23°C
Slight Rain
Hourly forecast today:
06:00 AM
23° / 25°
23° / 25°
Mainly Clear
87% 24 km/h
07:00 AM
22° / 25°
22° / 25°
Overcast
84% 22 km/h
08:00 AM
23° / 25°
23° / 25°
Partly Cloudy
85% 19 km/h
09:00 AM
23° / 25°
23° / 25°
Mainly Clear
87% 15 km/h
10:00 AM
22° / 24°
22° / 24°
Partly Cloudy
88% 15 km/h
11:00 AM
22° / 24°
22° / 24°
Mainly Clear
91% 20 km/h
12:00 PM
22° / 23°
22° / 23°
Mainly Clear
93% 17 km/h
13:00 PM
22° / 23°
22° / 23°
Drizzle
94% 20 km/h
14:00 PM
22° / 23°
22° / 23°
Drizzle Dense Intensity
94% 8 km/h
15:00 PM
22° / 23°
22° / 23°
Moderate Drizzle
95% 12 km/h
16:00 PM
22° / 23°
22° / 23°
Drizzle
95% 28 km/h

30 Day Averages and Extremes

  • Average high 24.8°C
  • Average low 18.57°C
  • Hottest day 30°C (18 June 2026)
  • Coldest day 0°C (03 July 2026)
  • Average humidity 78.17%
  • Days with precipitation 27 days
  • Highest precipitation 88 mm (19 June 2026)

Yesterday's Data

  • Max: 25°C
  • Min: 22°C
  • Total Precipitation: 18 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:
- Wide-brimmed sun hat
- Open-toed sandals or light sneakers
- Thin, moisture-wicking socks
- Loose and airy fabrics like linen or cotton

Temperature

Early
22°C / 23°C
Morning
23°C / 25°C
Afternoon
22°C / 23°C
Evening
20°C / 21°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 450
  • CO 146
  • NH3 0
  • NO2 8
  • O3 92
  • PM10 11
  • PM25 10
  • SO2 5
  • CH4 1,405

Sunrise / Sunset

19:51
10:20