Chase the autumn leaves in Japan
Japan is one of these cases which turns into a gold, yellow and orange fairy tale starting from September. And we can honestly say: We cannot imagine a more beautiful season to visit Japan.
Koyasan Weather in January
January in Koyasan brings low temperatures, with highs of 8°C (46°F) and nights dropping to -1°C (30°F). Rainfall is on the higher side this month, averaging around 91 mm (3.6 in), so keep a rain jacket handy.
Rainfall in Koyasan in January
Records from the past 30 years suggest around 17 days of snow/rain, with 91 mm (3.6 in) average for the month. Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Koyasan in January
Temperatures in Koyasan in January top out at 8°C (46°F) and drop to -1°C (30°F) overnight. The winter season is characteristic of January. Temperatures remain on the cold side all day. A proper warm jacket is worth having, not just for evenings. With lows of -1°C (30°F), nights are freezing. Packing a spare blanket is worth considering if you're staying somewhere that might not be fully heated. The coldest month of the year calls for plenty of warm layers. Be sure to pack your winter gear.
Sunshine in Koyasan in January
With about 137 hours of sunshine, the area enjoys a nice balance of sun and overcast, creating a pleasant environment.January in Koyasan has its charm, but if you're looking for destinations with pleasant temperatures and sunny skies, our weather planner can help you explore other options in the world.
Koyasan Temperature in January
Min Temperature
-1°C (30°F)
Max Temperature
8°C (46°F)
Chance of Rain
57%
Precipitation
91 mm (3.6 in)
Rainy days
17 days
Humidity
63% *
Sunshine
137 hours *
Percentage Sunshine
*
* Data from: Wakayama, Japan (37 KM, 23 Miles).
Koyasan Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Koyasan - and find the best time to visit.
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 →
perfect weather
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Koyasan in January
Dress warmly and in layers for your trip to Koyasan in January. A good base layer system works wonders. Start with good thermal underwear, add something warm like a fleece sweater, then finish with a waterproof jacket on top. Expect heavy rainfall, so bring good rain protection and waterproof bags. It won't hurt to bring your sunglasses along, as you'll see some sunny periods.
What To Do in Koyasan in January
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming5/10 -
Cycling4/10 -
Walking4/10 -
Camping1/10 -
Outdoor sports4/10
Koyasan 3-Day Forecast
More climate data for Koyasan
Temperature Rainfall Sunshine Humidity
See the full Koyasan climate overview or explore weather in Japan.
Popular in January
Where to go in January - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Chase the autumn leaves in Japan
Walk the 88 temple circuit
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The famous bamboo forests of Arashiyama
The famous bamboo forests of Arashiyama lie just outside the city center of Kyoto and is unique in the world. If you look at photos of this bamboo forest, it looks like you have landed in a fairy-tale world.
10 reasons why you should visit Japan in winter
Here are 10 reasons why you should plan a winter trip to Japan. During this period, popular sights are less busy and prices for flights and hotels much cheaper.