Koyasan Weather in October

Koyasan in October sees high temperatures, with highs around 22°C (72°F) and overnight lows of 12°C (54°F). Rainfall is fairly high at around 192 mm (7.6 in) on average, so pack waterproofs just in case.

Rainfall in Koyasan in October

Historically, the month has about 15 days of rain, averaging 192 mm (7.6 in) in total. When it rains this month, it tends to come down fairly heavily. Showers can be substantial even if they don't last all day.

Temperature in Koyasan in October

In October, expect high temperatures in Koyasan, with highs of 22°C (72°F) and lows of 12°C (54°F) at night. Conditions stay fairly consistent through the month, making it easier to plan what to wear. At 12°C (54°F) overnight, it can feel quite a bit cooler after dark. Worth packing something warmer for evenings, but the cooler temperatures are ideal for sleeping.

Sunshine in Koyasan in October

The area experiences a moderate amount of sunshine, with approximately 164 hours of sunlight expected. This means a decent mix of sun and overcast.

If your ideal day consists of dry skies and pleasant temperatures, May typically offers the best circumstances for Koyasan.

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• January
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For a detailed overview over the year and the best time to visit Japan, check out our Koyasan's climate page.

Koyasan Temperature in October

Min Temperature 12°C (54°F)  

Max Temperature 22°C (72°F)  

Chance of Rain 49%  

Precipitation 192 mm (7.6 in)  

Rainy days 15 days  

Humidity 70% *  

Sunshine 164 hours *  

Percentage Sunshine *  

* Data from: Wakayama, Japan (37 KM, 23 Miles).

What to Wear in Koyasan in October

Comfortable temperatures call for an easy wardrobe in October. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. It's going to pour! Pack a good poncho and prepare for very wet conditions. Bring sunglasses since you'll have some sunny periods throughout the month

What To Do in Koyasan in October

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming

6/10

Camping

6/10

Select a Month

Check the conditions for any month of the year.

• January
• February
• March
• April

• May
• June
• July
• August

• September
• October
• November
• December

For a detailed overview over the year and the best time to visit Japan, check out our Koyasan's climate page.

More climate data for Koyasan

Temperature Rainfall Sunshine Humidity

See the full Koyasan climate overview or explore weather in Japan.