Yamanakako Weather in April
During April, Yamanakako experiences moderate daytime temperatures of 17°C (63°F) and cooler nights around 6°C (43°F). April sits within the rainy season, so expect regular and often heavy rainfall.
Rainfall in Yamanakako in April
As part of the rainy season, Yamanakako sees around 16 days of rain in April, with an average of 178 mm (7 in). Rainy season showers tend to be fairly substantial. A good rain jacket or umbrella is worth having with you most days.
Temperature in Yamanakako in April
Daytime temperatures in Yamanakako reach 17°C (63°F) in April, dropping to 6°C (43°F) at night. The difference between afternoon and evening temperatures is usually noticeable. With overnight lows of 6°C (43°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.For Yamanakako itself, May generally stands out with the best circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Yamanakako's climate page.
Yamanakako Temperature in April
Min Temperature
6°C (43°F)
Max Temperature
17°C (63°F)
Chance of Rain
55%
Precipitation
178 mm (7 in)
Rainy days
16 days
Humidity
60% *
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Yamanakako typically rise from around 14°C (57°F) at the start of April to approximately 19°C (66°F) by the end. Nights are cold, with lows typically ranging from 0°C (32°F) to 5°C (41°F).
Average temperatures in April
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in April
Historical weather for Yamanakako in April
Browse day-by-day weather records for Yamanakako spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Yamanakako historical weather extremes in April
Based on 50 years of weather observations in Yamanakako between 1976 and 2026, these are the recorded extremes.
- The hottest April day on record in Yamanakako reached 28°C (82°F) (April 11, 2026).
Best Places in Japan in April
Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in April →
perfect weather
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tolerable
unpleasant
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What to Wear in Yamanakako in April
For Yamanakako in April, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Also bring a poncho, it will rain a lot! Waterproof everything you can.What To Do in Yamanakako in April
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Japan, check out our Yamanakako's climate page.
See the full Yamanakako climate overview or explore weather in Japan.
