Kōyasan
January
Weather in Kōyasan for January 2027
Your guide to Kōyasan weather in January - trends and predictions
The climate of Kōyasan in January is quite snowy, averaging 14 snowy days.
In general, the average temperature in Kōyasan at the beginning of January is 6.3 °C. As the month progressed, temperatures tended to moderately fall, reaching an average of 5.3 °C by the end of January.
Is January a good time to visit Kōyasan? check out the best time to travel to Kōyasan page.
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Snow Forecast ❄️
Temperatures
More
13
Dry days
4
Rainy days
14
Snow days
6°/-1°
Temperatures
18 km/h
Avg max wind
72 %
Avg humidity
Kōyasan Weather January
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Temperatures trend during January in Kōyasan
See the weather trend as well as the moving average line
January weather in Kōyasan day by day
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| Date | Weather | Temperatures | Rain | Snow | More |
|---|---|---|---|---|---|
| 1 Jan. |  Patchy rain possible | 6° /-1° | 0.2 mm | 0 cm | |
| 2 Jan. |  Sunny | 6° /-2° | 1.4 mm | 1 cm | |
| 3 Jan. | Patchy rain possible | 6° /-2° | 1.4 mm | 0.7 cm | |
| 4 Jan. |  Overcast | 6° /-2° | 0.1 mm | 0 cm | |
| 5 Jan. | Overcast | 8° /-1° | 0.6 mm | 0 cm | |
| 6 Jan. |  Moderate or heavy rain shower | 5° /-1° | 15.1 mm | 0.2 cm | |
| 7 Jan. | Patchy rain possible | 7° /-1° | 1.4 mm | 0 cm | |
| 8 Jan. | Patchy rain possible | 4° /-2° | 1.4 mm | 0.8 cm | |
| 9 Jan. | Patchy rain possible | 4° /-4° | 0.6 mm | 0 cm | |
| 10 Jan. |  Light freezing rain | 8° /-4° | 1.7 mm | 0.5 cm | |
| 11 Jan. |  Patchy moderate snow | 4° /-3° | 3.2 mm | 0.8 cm | |
| 12 Jan. | Light freezing rain | 5° /-3° | 0.4 mm | 0.1 cm | |
| 13 Jan. | Patchy rain possible | 7° /-2° | 1.2 mm | 0 cm | |
| 14 Jan. | Overcast | 6° /-1° | 0 mm | 0 cm | |
| 15 Jan. | Moderate rain at times | 9° /-1° | 1.1 mm | 0 cm | |
| 16 Jan. | Light freezing rain | 9° /1° | 0.2 mm | 0 cm | |
| 17 Jan. | Patchy rain possible | 9° /0° | 0.1 mm | 0 cm | |
| 18 Jan. | Sunny | 8° /-2° | 0 mm | 0 cm | |
| 19 Jan. | Overcast | 12° /-1° | 1 mm | 0 cm | |
| 20 Jan. | Patchy rain possible | 9° /0° | 1.4 mm | 0.3 cm | |
| 21 Jan. | Overcast | 6° /-2° | 1.4 mm | 0.5 cm | |
| 22 Jan. | Sunny | 5° /-1° | 1.4 mm | 1 cm | |
| 23 Jan. | Overcast | 8° /-1° | 0.3 mm | 0.3 cm | |
| 24 Jan. | Overcast | 7° /0° | 3 mm | 2.2 cm | |
| 25 Jan. |  Partly cloudy | 5° /-3° | 1.1 mm | 0.6 cm | |
| 26 Jan. | Overcast | 5° /-5° | 0 mm | 0 cm | |
| 27 Jan. | Patchy rain possible | 8° /-2° | 0.7 mm | 0 cm | |
| 28 Jan. | Overcast | 5° /-1° | 0.6 mm | 0 cm | |
| 29 Jan. | Light freezing rain | 5° /-1° | 1.1 mm | 0.2 cm | |
| 30 Jan. | Light freezing rain | 4° /-1° | 1.1 mm | 0.7 cm | |
| 31 Jan. |  Light snow | 5° /-3° | 0.4 mm | 0.1 cm | |
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Important Notice
Our weather forecast for Kōyasan in January is based on the analysis of historical data rather than real-time forecast models. While this provides a general overview, weather conditions can change. We recommend that you check the Kōyasan forecast closer to your planned date for the most up-to-date weather information.
Change Month
Kōyasan weather in January vs December vs February
Compare January weather in Kōyasan with the previous and following months. See how temperature, rainfall, wind, and other conditions change throughout the year to help you plan your visit.
| December | January | February | |
|---|---|---|---|
| Weather | Patchy rain possible | Patchy rain possible | Patchy rain possible |
| Temperatures | 9°/1° | 6°/-1° | 8°/-1° |
| Rainfall | 54 mm | 44 mm | 55 mm |
| Snowfall | 4 cm | 10 cm | 6 cm |
| Wind | 15.6 km/h | 17.5 km/h | 16.7 km/h |
| Humidity | 75% | 72% | 73% |
| Rainy days | 7 days | 4 days | 9 days |
| Snow days | 5 days | 14 days | 9 days |
| Dry days | 19 days | 13 days | 10 days |
Planning a trip to Kōyasan? Discover the best time to visit
Kōyasan in January - FAQ
What are the expected maximum and minimum temperatures in Kōyasan during January?
Prepare for cooler days with highs just around 6° and colder nights, dipping below -1°.
How much rainfall should be expected in Kōyasan during January?
In January, Kōyasan can expect light to moderate rainfall, totaling 43.6 mm across approximately 4 days. Occasional showers are possible, and planning ahead for them could be helpful.
Will it snow in Kōyasan in January 2027?
Kōyasan experiences an average snowfall of 9.805 cm during January, occurring over 14 days.
What are the typical wind conditions in Kōyasan during January?
The average wind speed in Kōyasan during January is 18 km/h, suggesting breezy to windy conditions, depending on your activities.
Kōyasan snow forecast January 2027
Track daily snowfall levels and discover Kōyasan’s snowy potential this January ❄️
On average, Kōyasan sees 14 snowy days during January, with approximately 9.8 cm of total snowfall.
January rainfall patterns in Kōyasan
Explore the daily rainfall trends and prepare for Kōyasans January weather 💧
Typically, Kōyasan has 4 rainy days in January with a total of 43.6 mm of rainfall.
What to pack to Kōyasan in January?
Cold & raw · highs around 6 °C, occasional showers
As you prepare for your trip to Kōyasan in January, it's important to consider the typical weather patterns for the time of year. Below is a carefully tailored packing list to ensure that your time in Kōyasan, during January, is comfortable and enjoyable, regardless of the weather conditions.
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Where is Kōyasan?Get accurate weather forecasts for Kōyasan, located at latitude 34.217 and longitude 135.583. Stay updated with localized weather information tailored for Kōyasan.
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