Koya-san weather in May
Mild and comfortable, with some rainy days. Average highs of 19°C and lows of 10°C, with around 12 rainy days expected throughout the month.
While May isn't our top-rated month for Koya-san, it has its own appeal — typically lower prices, fewer crowds, and a more local feel.
Average high
19°C
Average low
10°C
Rainy days
12 days
Best months to visit
Year-round
What to do in Koya-san in May
Whatever the weather, Koya-san rewards curious visitors. Here are some of the best ways to spend your time:
Overnight monastery lodging and meditation
Early morning prayer sessions with monks
Temple tour of 117 monasteries
Mountain hiking among temple grounds
Vegetarian Buddhist meal preparations
Cemetery lantern walks at dusk
What to pack for May
Layer up — a mid-weight jacket, jumpers, and comfortable trousers. Waterproof shoes are recommended. Scarves and gloves may be useful in the evenings.
Browse other months
January
3C
Cold, with some rainy days.
February
5C
Cold, with some rainy days.
March
10C
Cool, with some rainy days.
April
15C
Cool, with some rainy days.
May (you are here)
19C
Mild and comfortable, with some rainy days.
June
22C
Mild and comfortable, with regular rainfall.
July
26C
Warm and pleasant, with regular rainfall.
August
27C
Warm and pleasant, with regular rainfall.
September
23C
Mild and comfortable, with regular rainfall.
October
18C
Mild and comfortable, with some rainy days.
November
13C
Cool, with some rainy days.
December
6C
Cold, with some rainy days.
Book your May trip to Koya-san
Find hotels, tours and experiences for the perfect escape.
