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Yamanouchi Weather in April

Yamanouchi in April sees moderate temperatures, with highs around 13°C (55°F) and overnight lows of 2°C (36°F). Rainfall is fairly high at around 116 mm (4.6 in) on average, so pack waterproofs just in case.

Rainfall in Yamanouchi in April

Historically, the month has about 17 days of rain, averaging 116 mm (4.6 in) in total. This month brings frequent, heavy showers. Both the number of wet days and the rainfall totals are on the high side.

Temperature in Yamanouchi in April

In April, expect moderate temperatures in Yamanouchi, with highs of 13°C (55°F) and lows of 2°C (36°F) at night. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. With overnight lows of 2°C (36°F), nights are cold. The cold air does make for deep, comfortable sleep if you have enough blankets.

Sunshine in Yamanouchi in April

There are approximately 198 hours of sunshine this month, resulting in mostly clear days. Despite the cool temperatures, the sunshine makes it an enjoyable time to be outside.

April in Yamanouchi has its charm. However, if you're seeking pleasant, dry and sunny weather, our weather planner can help you explore other destinations in the world.

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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 Yamanouchi's climate page.

Yamanouchi Temperature in April

Min TemperatureMin Temperature 2°C (36°F)  
Max TemperatureMax Temperature 13°C (55°F)  
Chance of RainChance of Rain 58%  
PrecipitationPrecipitation 116 mm (4.6 in)  
Rainy daysRainy days 17 days  
HumidityHumidity 61% *  
SunshineSunshine 198 hours *  
Percentage SunshinePercentage Sunshine *  
* Data from: Nagano, Japan (27 KM, 17 Miles).

Daily Historical Temperatures

50-year average (1976-2025)

Based on our historical records, temperatures in Yamanouchi typically rise from around 13°C (55°F) at the start of April to approximately 19°C (66°F) by the end. Nights are cold, with lows typically ranging from 3°C (37°F) to 9°C (48°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 Yamanouchi in April

Browse day-by-day weather records for Yamanouchi spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.

Yamanouchi historical weather extremes in April

Based on weather observations in Yamanouchi between 1976 and 2026, these are the recorded extremes during April.

  • The hottest April day on record in Yamanouchi reached 28°C (82°F) (April 21, 2018).
  • On April 1, 1998, Yamanouchi saw its coldest April day with temperatures maxing out at 3°C (37°F).
  • Yamanouchi registered its coldest April night on April 7, 2026, with temperatures dropping to -5°C (23°F).

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 →

Map not visible? Whoops sorry! Please refresh the page.
Legend perfect weather pleasant tolerable unpleasant poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).

What to Wear in Yamanouchi in April

The weather can be unpredictable in April, so pack clothes you can easily mix and match. You could bring jeans, other long pants, and a few t-shirts. A light jacket or light sweater will be pleasant for the cooler moments. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.

What To Do in Yamanouchi in April

We rated the following activities from 1 (least suitable) to 10 (best) to do.

Swimming
5/10
Cycling
5/10
Walking
5/10
Camping
3/10
Outdoor sports
9/10

Select a Month

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 Yamanouchi's climate page.

More climate data for Yamanouchi