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 May
In Koyasan, May brings high daytime temperatures around 23°C (73°F), with nights cooling to 13°C (55°F). Expect quite a bit of rainfall this month.
Rainfall in Koyasan in May
Historically, approximately 16 days this month are expected to have rain, averaging 169 mm (6.7 in). Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.
Temperature in Koyasan in May
If you're visiting Koyasan in May, expect highs of 23°C (73°F) and overnight lows around 13°C (55°F). This gives the month a fairly typical daily rhythm, with warmer afternoons and more comfortable nights. At 13°C (55°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 May
The city usually sees around 203 hours of sunlight, indicating many sunny days , a great month for sightseeing.If you favor pleasant temperatures and minimal rainfall, May is one of the best months to visit Koyasan.
Koyasan Temperature in May
Min Temperature
13°C (55°F)
Max Temperature
23°C (73°F)
Chance of Rain
52%
Precipitation
169 mm (6.7 in)
Rainy days
16 days
Humidity
68% *
Sunshine
203 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 May
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in May →
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 May
Comfortable temperatures call for an easy wardrobe in May. 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. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
What To Do in Koyasan in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
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Swimming8/10 -
Camping6/10
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 May
Where to go in May - average daytime high across popular destinations.
Bucket list
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Chase the autumn leaves in Japan
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