Yamanouchi
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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.

Yamanouchi Temperature in April

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

Yamanouchi Weather by Month

Pick a month to see the average temperature, rainfall and sunshine in Yamanouchi - and find the best time to visit.

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 records 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 →

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

Yamanouchi 3-Day Forecast

More climate data for Yamanouchi

Popular in April

Where to go in April - average daytime high across popular destinations.

Bucket list

Need travel inspiration? Check out our bucket list articles and be inspired.