AU
Level 1Exercise normal precautions
Exercise normal precautions
Japan · Yamanashi Prefecture · May
Yamanashi Prefecture in Mayhow the month reads
May is one of the strongest months for Yamanashi Prefecture inside Japan, with warmer than the yearly mean by 3.5°C. The safety bulletins below apply.
- Rank
- 3 of 12
- Score
- 60/100
May match
60/100
Free-tier default preferences.
What’s open · May
Things to do in Yamanashi Prefecture in May
- ClosedClimbing Mount Fuji
climbing above the 5th stations outside the official season is prohibited by law - the trails are unmaintained, the huts shut, and the mountain carries snow and ice
Sources: japan-guide.com, fujisan-climb.jp
Opening seasons are checked by hand against the operators and parks themselves, not derived from the climate figures on this page. Last reviewed 2026-08-28. Dates move — confirm before you book.
- Temperature20°C+3.5°C vs. yearly mean
- Month rank3 of 12for Yamanashi Prefecture
- Best monthsJanuary · February · Mayhighest regional score
12-month temperature · Yamanashi Prefecture
May in context
View data table
| Month | Average daytime high (°C) |
|---|---|
| January | 4.8 |
| February | 6.1 |
| March | 10.4 |
| April | 15.5 |
| May | 19.8 |
| June | 22.7 |
| July | 26.5 |
| August | 27.5 |
| September | 23.9 |
| October | 17.8 |
| November | 12.9 |
| December | 7.2 |
Safety · 6 governments
What the governments say about Japan
Combined advisory · most-cautious-wins
Exercise normal precautions
Highest level across 6 governments · Advisory last changed
See breakdown by countryHide breakdown
CA
Level 1Exercise normal precautions
Exercise normal precautions
DE
Level 1Exercise normal precautions
Exercise normal precautions
NL
Level 1Exercise normal precautions
Exercise normal precautions
UK
Level 1Exercise normal precautions
Exercise normal precautions
US
Level 1Exercise normal precautions
Exercise normal precautions
Parts of Japan carry a higher advisory — up to level 4, "Do not travel". The governments concerned name a region rather than a boundary, so the carve-out is not drawn on the map and is not reflected in the combined level above. Follow the source links for where it applies.
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Plan a May trip to Yamanashi Prefecture.
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