Okayama weather
At 1:00 PM local time it was mostly clear and 20°C (68°F). Mostly light, on-and-off rain; heavier around 6 AM, 9 AM, 10 AM (5.7 mm total). Best months for weather: Apr–May, Aug, Oct–Nov. Below: today's sky, the hour-by-hour rain chance and the 16-day forecast for Okayama, Okayama, Japan.
Current conditions
- Clouds
- 29%
- Chance of rain
- 0%
- Rain
- 0.0 mm/h
Hourly Forecast
Mostly light, on-and-off rain; heavier around 6 AM, 9 AM, 10 AM (5.7 mm total)
Daily Forecast
Best Time to Visit
Peak season Apr–May, Aug, Oct–NovOff season Dec–Feb
About Okayama weather
Is it raining in Okayama right now?
No. It’s mostly clear and 20° right now. Mostly light, on-and-off rain; heavier around 6 AM, 9 AM, 10 AM (5.7 mm total).
What’s the weather like in Okayama this week?
Over the next 7 days, expect highs of 15–23° and lows of 6–13°. Rain is likely on 3 of 7 days (Monday, Wednesday, Thursday). The driest day looks like Sunday.
Has it been raining in Okayama lately?
In the past 7 days, Okayama had 2 rainy days and 62.4 mm of rain in total.
What should I pack for Okayama?
For the coming week, bring an umbrella or rain jacket and a warm layer for the evenings.
Okayama weather by month
When is the best time to visit Okayama?
Based on weather alone, the best time to visit Okayama is Apr–May, Aug, Oct–Nov, according to NASA's 2001–2025 climate averages. Dec–Feb tends to be the least pleasant. Average highs run from 8°C (46°F) in January to 31°C (87°F) in August.
What is the rainiest month in Okayama?
July is the wettest month, with about 219 mm (8.6 in) of rain on average. January is the driest, with about 54 mm (2.1 in).
What is the hottest month in Okayama?
August is the warmest, with average highs of 31°C (87°F) and lows of 24°C (75°F). January is the coolest, with highs of 8°C (46°F) and lows of 1°C (34°F).
Does Okayama have a rainy season?
Yes. Jun–Jul, Sep is the rainy season (150 mm or more a month), while Jan is usually dry (under 60 mm).
Okayama weather month by month
Sources: 2001–2025 monthly averages from NASA POWER (MERRA-2 reanalysis), forecast and current conditions from Open-Meteo. Page updated . How we rate months