Okayama weather in January
Monthly temperatures, rain, humidity, what to wear and what to pack — 2024–2025 historical average
Okayama January weather at a glance
In January, Okayama averages 4.4°C, with typical highs of 9.9°C and lows of -0.4°C. The historical average is 4 wet days and 71% humidity.
Okayama January temperature & humidity
Okayama January rain & wet days
Pack a compact umbrella. Keep an indoor stop available between outdoor activities.
What to wear in Okayama in January
A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings. The typical day-to-night swing is about 10°C, so bring an extra layer.
- DaytimeWarm coat and layered tops · average high 9.9°C
- Morning & eveningInsulating coat, scarf and gloves · average low -0.4°C
- FootwearComfortable walking shoes; quick-dry footwear for rainy days.
Packing essentials
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Okayama January sunrise & sunset times
2026 January · Local time (Asia/Tokyo)
| Date | Sunrise | Sunset | Daylight |
|---|---|---|---|
| 2026-01-01 | 07:11 | 17:04 | 9h 53m |
| 2026-01-15 | 07:11 | 17:16 | 10h 5m |
| 2026-01-31 | 07:04 | 17:32 | 10h 29m |
For sunset photos, arrive before the listed sunset time. Clouds, mountains and buildings can change when the sun becomes visible or disappears.
Calculated for the city coordinates with daylight saving applied. SunCalc · tz-lookup
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Best months to visit Okayama
Bar height shows our simple weather-comfort score, not a safety rating; colour shows temperature.
January weather by year
Daily weather in 2025
Daily high and low temperatures; blue labels show precipitation
Frequently asked questions
What is Okayama weather like in January?
In January, Okayama averages 4.4°C, with typical highs of 9.9°C and lows of -0.4°C. The historical average is 4 wet days and 71% humidity. Our weather-comfort rating for this month is good.
Does it rain a lot in Okayama in January?
There are about 4 wet days in January. A compact umbrella is still useful.
What should I wear in Okayama in January?
A warm jacket or coat over knitwear works well, with an extra layer for mornings and evenings. The typical day-to-night swing is about 10°C, so bring an extra layer.
What are the best months to visit Okayama?
Recent weather data rates January, April, May, October among the more comfortable months.
Where can I check Okayama weather in January in real time?
Check local webcams for the view right now and a local weather service for today’s forecast. Monthly temperatures here are historical averages.
What time are sunrise and sunset in Okayama in January?
On 2026-01-15, calculated sunrise is 07:11 and sunset is 17:16 in local time (Asia/Tokyo). Times vary by date and terrain.
Okayama weather by month
More Japan destinations in January
Open-Meteo (CC BY 4.0) · 2024–2025 historical data, aggregated and rounded by this site. Not a forecast or long-term climate normal. Calculation method and limitations