Yamanouchi
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Yamanouchi Weather in October

With daytime temperatures of 17°C (63°F) and nighttime lows of 8°C (46°F), October in Yamanouchi brings moderate temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 159 mm (6.3 in) falls on average.

Rainfall in Yamanouchi in October

Climate statistics over the past 30 years suggest around 17 days of rain, with 159 mm (6.3 in) average for the month. Wet weather is a regular and significant part of this month. Frequent days of rain combined with high totals means proper waterproofs are worth packing.

Temperature in Yamanouchi in October

Temperatures in Yamanouchi in October top out at 17°C (63°F) and drop to 8°C (46°F) overnight. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. Nights fall to 8°C (46°F), which is cold enough to feel it indoors too. A good thick duvet makes all the difference for a comfortable night's sleep.

Sunshine in Yamanouchi in October

The city usually sees around 155 hours of sunlight, indicating a moderately sunny period.

Should you favor a climate that's both dry and comfortably warm, May typically offers the most agreeable circumstances. If you're seeking pleasant, dry and sunny weather somewhere else in the world, our weather planner can help you explore other options.

Yamanouchi Temperature in October

Min Temperature
8°C (46°F)
Max Temperature
17°C (63°F)
Chance of Rain
55%
Precipitation
159 mm (6.3 in)
Rainy days
17 days
Humidity
75% *
Sunshine
155 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 drop from around 22°C (72°F) at the start of October to approximately 16°C (61°F) by the end. Nights are cool, with lows typically ranging from 7°C (45°F) to 15°C (59°F).

Average temperatures in October

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 October

Historical weather records for Yamanouchi in October

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 October

According to our 49 years of weather records for Yamanouchi, the following extremes were recorded between 1976 and 2025.

  • The warmest day in October was on October 9, 2013, with a maximum of 29°C (84°F).
  • The coldest October day was on October 28, 2010, with a maximum of 7°C (45°F).
  • The coldest night in October in Yamanouchi was on October 24, 2025, with a minimum of 1°C (34°F).

Best Places in Japan in October

Find out more about the weather in Japan and which places have the best travel conditions in this month. See all of Japan in October →

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 October

Pleasant temperatures in October mean you can pack light but flexibel pieces. Think cotton t-shirts, comfortable walking shorts, and one warmer layer for evenings. A light sweater or denim jacket works well. Heavy rain is guaranteed, please bring a good poncho and waterproof everything! Sunglasses could come in handy during the sunnier parts of your trip.

What To Do in Yamanouchi in October

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

  • Swimming
    6/10
  • Cycling
    5/10
  • Walking
    5/10
  • Camping
    3/10

Yamanouchi 3-Day Forecast

More climate data for Yamanouchi

Popular in October

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

Bucket list

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