May · Japan
Best time to visit Biei in May Weather, crowds & prices
Weather in Biei in May
Average temperature 12°C, 112 mm of rain, about 23 days with 6+ hours of sunshine and 71% humidity — based on the five most recent complete years of ERA5 data (2021–2025).
May score
8.6/10
Ranked #1 of 12 months
- Avg temp
- 12°C
- Rainfall
- 112 mm
- Humidity
- 71%
- Days with 6h+ sun
- 23
- Crowd Density
- Moderate Crowds
- Average Expenses
- $$$ · Peak Season Rates ($$$)
May in Biei scores 8.6/10 for nature and wildlife travel - the single best month of the year. Expect around 12°C, 112 mm of rain, and roughly 23 days with 6+ hours of sunshine this month.
Biei spreads patchwork fields and flower hills across central Hokkaido, with the blue pond at Shirogane nearby.
May in Biei tops the year's climate scores
May averages 12°C (54°F), the range most people find easiest for walking a city all day without either overheating or losing daylight to weather.
Monthly rainfall reaches 112 mm — wet for this destination — but about 23 days with 6+ hours of sunshine still break through, so keep one indoor fallback in the plan.
On our climate-comfort scale this is the top-ranked month of the year for Biei at 8.6/10 — the reference point every other month on this page is measured against.
Pack layers you can shed by midday plus one warm layer for the evening, a proper rain shell rather than an umbrella, footwear you can get muddy.
Plan for peak pricing, with crowds are moderate. You are paying the year's highest rates for the year's best conditions — book early or shift a few weeks either side.
Frequently asked
- What is the weather like in Biei in May?
- In May, Biei averages 12°C, 112 mm of rain, and about 23 days with 6+ hours of sunshine. Its climate-comfort score is 8.6/10.
- Is May a good time to visit Biei?
- May earns a 8.6/10 climate-comfort score. Use the year-round chart to weigh the weather against your budget and crowd preferences.
- How much does it rain in Biei in May?
- Expect about 112 mm of rain in May. Average humidity is 71% and there are about 23 days with 6+ hours of sunshine.
Curated in Biei
Tickets & experiences
Things to do in Biei
Biei, Japan. Live activities and tours from GetYourGuide, matched to this destination.