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:
7°C
44.6°F
°C °F

Condition: Overcast

Pressure: 1,024 hPa

Feel like: 5 °C

Temperature: 7°C

Cloud: 76%

Humidity: 84%

Wind: N - 3 km/h

Visibility: 24.14 km

Weather forecast

Wed
12 Nov
9°C / 13°C
Overcast
Thu
13 Nov
8°C / 17°C
Overcast
Fri
14 Nov
12°C / 19°C
Overcast
Sat
15 Nov
12°C / 14°C
Drizzle
Sun
16 Nov
8°C / 13°C
Drizzle
Hourly forecast today:
23:00 PM
5° / 7°
5° / 7°
Overcast
84% 7 km/h
00:00 AM
5° / 9°
5° / 9°
Overcast
77% 8 km/h
01:00 AM
5° / 11°
5° / 11°
Overcast
68% 11 km/h
02:00 AM
5° / 13°
5° / 13°
Overcast
58% 15 km/h
03:00 AM
4° / 14°
4° / 14°
Overcast
52% 18 km/h
04:00 AM
4° / 14°
4° / 14°
Overcast
51% 20 km/h
05:00 AM
5° / 15°
5° / 15°
Overcast
53% 20 km/h
06:00 AM
6° / 14°
6° / 14°
Overcast
56% 20 km/h
07:00 AM
6° / 14°
6° / 14°
Overcast
61% 17 km/h
08:00 AM
7° / 13°
7° / 13°
Overcast
68% 13 km/h
09:00 AM
7° / 12°
7° / 12°
Overcast
74% 10 km/h

30 Day Averages and Extremes

  • Average high 17.33°C
  • Average low 9.63°C
  • Hottest day 21°C (23 October 2025)
  • Coldest day 3°C (11 November 2025)
  • Average humidity 68.7%
  • Days with precipitation 13 days
  • Highest precipitation 74 mm (30 October 2025)

Yesterday's Data

  • Max: 16°C
  • Min: 5°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 mild weather in Okayama, with temperatures between 12ºC to 15ºC (53.6ºF to 59.0ºF), consider wearing:
- Casual sneakers or loafers
- Cotton socks
- Comfortable jeans or slacks
- Sun hat (if spending time outdoors)

Temperature

Early
5°C / 14°C
Morning
5°C / 13°C
Afternoon
4°C / 6°C
Evening
3°C / 3°C

Air quality

Good

Satisfactory air quality, minimal pollution, low risk

  • CO2 0
  • CO 0
  • NH3 0
  • NO2 0
  • O3 0
  • PM10 0
  • PM25 0
  • SO2 0
  • CH4 0

Sunrise / Sunset

21:35
08:01