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:
18°C
64.4°F
°C °F

Condition: Drizzle Dense Intensity

Pressure: 1,015 hPa

Feel like: 20 °C

Temperature: 18°C

Cloud: 78%

Humidity: 96%

Wind: NE - 2 km/h

Visibility: 18.18 km

Weather forecast

Mon
26 Oct
14°C / 23°C
Overcast
Tue
27 Oct
8°C / 17°C
Overcast
Wed
28 Oct
7°C / 16°C
Overcast
Thu
29 Oct
13°C / 18°C
Moderate Rain Showers
Fri
30 Oct
7°C / 19°C
Overcast
Hourly forecast today:
18:00 PM
17° / 18°
17° / 18°
Drizzle Dense Intensity
96% 7 km/h
19:00 PM
17° / 18°
17° / 18°
Slight Rain
94% 6 km/h
20:00 PM
17° / 18°
17° / 18°
Drizzle Dense Intensity
93% 4 km/h
21:00 PM
17° / 18°
17° / 18°
Slight Rain
94% 4 km/h
22:00 PM
17° / 18°
17° / 18°
Moderate Rain
93% 8 km/h
23:00 PM
17° / 18°
17° / 18°
Moderate Rain
94% 13 km/h
00:00 AM
17° / 18°
17° / 18°
Moderate Rain
93% 18 km/h
01:00 AM
17° / 18°
17° / 18°
Moderate Rain
92% 17 km/h
02:00 AM
17° / 18°
17° / 18°
Slight Rain
92% 20 km/h
03:00 AM
17° / 19°
17° / 19°
Moderate Drizzle
93% 18 km/h
04:00 AM
17° / 18°
17° / 18°
Slight Rain
94% 17 km/h

30 Day Averages and Extremes

  • Average high 20.3°C
  • Average low 11.63°C
  • Hottest day 28°C (20 October 2026)
  • Coldest day 0°C (08 November 2026)
  • Average humidity 74.47%
  • Days with precipitation 20 days
  • Highest precipitation 69 mm (25 October 2026)

Yesterday's Data

  • Max: 22°C
  • Min: 18°C
  • Total Precipitation: 5 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 16ºC to 19ºC (60.8ºF to 66.2ºF), consider wearing:
- Casual sneakers or loafers
- Light jacket (for cooler periods)
- Long-sleeve shirt or blouse
- Scarf (optional)

Temperature

Early
20°C / 21°C
Morning
18°C / 19°C
Afternoon
17°C / 18°C
Evening
17°C / 18°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 485
  • CO 148
  • NH3 0
  • NO2 5
  • O3 58
  • PM10 4
  • PM25 3
  • SO2 1
  • CH4 1,580

Sunrise / Sunset

21:18
08:17