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Yamanashi Prefecture

Region · Chubu Region, 🇯🇵 Japan
Population 803,963
Area 4,470 km²
Time zone Asia/Tokyo
Official website www.pref.yamanashi.jp
Yamanashi Prefecture

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Yamanashi Prefecture — Map

Yamanashi Prefecture — Map

Climate & when to visit

Best time to visit: October

Select a month

Typical weather in January

Poor
  • 7° (feels like 3°) · extremes -7°–12°
  • -2° at night
  • 5 rainy days
  • 15 sunny days
  • 6 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 2 · low

Typical weather in February

Poor
  • 9° (feels like 5°) · extremes -6°–15°
  • -1° at night
  • 7 rainy days
  • 13 sunny days
  • 6 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 3 · moderate

Typical weather in March

Poor
  • 13° (feels like 10°) · extremes -3°–20°
  • 2° at night
  • 10 rainy days
  • 12 sunny days
  • 6 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 4 · moderate

Typical weather in April

Good
  • 18° (feels like 16°) · extremes 1°–25°
  • 7° at night
  • 11 rainy days
  • 11 sunny days
  • 7 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 5 · moderate

Typical weather in May

Good
  • 23° · extremes 7°–28°
  • 12° at night
  • 13 rainy days
  • 8 sunny days
  • 6 hours of sunshine per day
  • Comfortable humidity
  • Calm winds
  • UV index 6 · high

Typical weather in June

Good
  • 26° (feels like 28°) · extremes 13°–31°
  • 17° at night
  • 16 rainy days
  • 3 sunny days
  • 5 hours of sunshine per day
  • Muggy, humid air
  • Calm winds
  • UV index 6 · high

Typical weather in July

Poor
  • 30° (feels like 34°) · extremes 18°–34°
  • 21° at night
  • 19 rainy days
  • 3 sunny days
  • 5 hours of sunshine per day
  • Oppressive humidity
  • Calm winds
  • UV index 7 · high

Typical weather in August

Poor
  • 31° (feels like 35°) · extremes 19°–35°
  • 22° at night
  • 18 rainy days
  • 4 sunny days
  • 6 hours of sunshine per day
  • Oppressive humidity
  • Calm winds
  • UV index 7 · high

Typical weather in September

Fair
  • 27° (feels like 29°) · extremes 13°–32°
  • 19° at night
  • 16 rainy days
  • 5 sunny days
  • 5 hours of sunshine per day
  • Muggy, humid air
  • Calm winds
  • UV index 6 · high

Typical weather in October

Great
  • 21° · extremes 7°–27°
  • 12° at night
  • 11 rainy days
  • 9 sunny days
  • 5 hours of sunshine per day
  • Comfortable humidity
  • Calm winds
  • UV index 4 · moderate

Typical weather in November

Good
  • 16° (feels like 14°) · extremes 1°–22°
  • 6° at night
  • 8 rainy days
  • 13 sunny days
  • 6 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 3 · moderate

Typical weather in December

Poor
  • 10° (feels like 7°) · extremes -3°–16°
  • 1° at night
  • 6 rainy days
  • 15 sunny days
  • 6 hours of sunshine per day
  • Dry air
  • Calm winds
  • UV index 2 · low

Climate data: NASA POWER (MERRA-2) · 1996–2025

Practical information

Currency
Japanese Yen JPY ¥ · Card payments · Commonly accepted
Emergency numbers
118
Electricity
Type A / Type B
100 V · 60 Hz
Languages
Japanese
Tap water
Safe to drink
Driving side
Left
Calling code
+81
Learn more

Tours & Activities

Riverside Hotel
Taxi · 8 min
Yamanashi Prefecture
2h
Walk · 6 min
Corner Café
45 min
Walk · 18 min
Riverside Hotel

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