Okayama Weather in January
January in Okayama brings low temperatures, with highs of 11°C (52°F) and nights dropping to 3°C (37°F). It's also the driest month of the year, ideal for those who want to avoid rain.
Rainfall in Okayama in January
With the driest weather of the year, this month is a solid choice for exploring, even if you'll want to dress warmly. Typically, about 19 days will experience rainfall, with an average of 53 mm (2.1 in) for the month. With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Okayama in January
In January, expect low temperatures in Okayama, with highs of 11°C (52°F) and lows of 3°C (37°F) at night. January is known for being in the winter season. The days stay cool from start to finish. Layering up well will make outdoor time much more comfortable. With lows around 3°C (37°F), nights are cold. The upside is that cool, crisp nights are often the best for a deep sleep. The temperatures in January are often the mildest compared to the rest of the year.
Sunshine in Okayama in January
The city usually sees around 148 hours of sunlight, indicating a moderately sunny period.Our weather planner can help you find worldwide destinations with pleasant weather during this period. April, May, September, October and November typically offer the best weather for Okayama.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Okayama's climate page.
Okayama Temperature in January
Min Temperature
3°C (37°F)
Max Temperature
11°C (52°F)
Chance of Rain
62%
Precipitation
53 mm (2.1 in)
Rainy days
19 days
Humidity
69%
Sunshine
148 hours
Percentage Sunshine
Daily Historical Temperatures
51-year average (1976-2026)
Based on our historical records, temperatures in Okayama typically stay consistent throughout January, with daily highs averaging around 11°C (52°F). Nights are cold, with lows around 1°C (34°F).
Average temperatures in January
Daily Historical Precipitation
51-year average (1976-2026)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in January
Historical weather for Okayama in January
Browse day-by-day weather records for Okayama spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Okayama historical weather extremes in January
Based on 49 years of weather observations (1976-2025), these are the most extreme conditions recorded in Okayama.
- Okayama recorded its highest January temperature of 17°C (63°F) on January 4, 2016.
- Okayama experienced its chilliest January day on January 24, 2016, reaching only 1°C (34°F).
- Okayama registered its coldest January night on January 25, 1990, with temperatures dropping to -7°C (19°F).
- Peak precipitation in January occurred on January 29, 2016, when 33 mm (1.3 in) of precipitation was measured.
Best Places in Japan in January
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in January →
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What to Wear in Okayama in January
The weather can swing between comfortable and chilly in January, so flexibility is key. Pack a variety of tops, at least one warm layer, and both shorts and long pants. This gives you options no matter what the day brings. Wet weather is likely, so pack waterproof gear for multiple rainy days. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Okayama in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Okayama's climate page.
Temperature Rainfall Sunshine Humidity
See the full Okayama climate overview or explore weather in Japan.
