Mount Haku Weather in October
October in Mount Haku sees daytime temperatures around 18°C (64°F) and lows of 8°C (46°F) at night. Being part of the rainy season, heavy rainfall is a regular part of the day, so pack accordingly.
Rainfall in Mount Haku in October
Mount Haku is in the rainy season in October, with rain on around 18 days and an average of 216 mm (8.5 in). Rain during the rainy season is significant rather than just light drizzle. Expect proper showers on most rainy days.
Temperature in Mount Haku in October
October in Mount Haku brings pleasant temperatures, with highs of 18°C (64°F) and nights around 8°C (46°F). Conditions are often most pleasant around the middle of the day. Nights drop to 8°C (46°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Mount Haku in October
The area enjoys a moderate level of sunlight, with around 155 hours. It's a good balance between sunny and rainy days.Our weather planner can help you find worldwide destinations with pleasant weather during this period. May and August typically offer the best weather for Mount Haku.
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 Mount Haku's climate page.
Mount Haku Temperature in October
Min Temperature
8°C (46°F)
Max Temperature
18°C (64°F)
Chance of Rain
59%
Precipitation
216 mm (8.5 in)
Rainy days
18 days
Humidity
76% *
Sunshine
155 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Mount Haku typically drop from around 23°C (73°F) at the start of October to approximately 18°C (64°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 16°C (61°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 for Mount Haku in October
Browse day-by-day weather records for Mount Haku spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Mount Haku historical weather extremes in October
Based on weather observations in Mount Haku between 1976 and 2025, these are the recorded extremes during October.
- On October 4, 2021, temperatures climbed to 31°C (88°F), marking the warmest October day on record.
- The coldest October day was on October 29, 2002, with a maximum of 10°C (50°F).
- The coldest night in October in Mount Haku was on October 31, 1983, with a minimum of 2°C (36°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
What to Wear in Mount Haku in October
For Mount Haku in October, 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. Sunglasses could come in handy during the sunnier parts of your trip.What To Do in Mount Haku in October
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 Mount Haku's climate page.
Temperature Rainfall Sunshine Humidity
See the full Mount Haku climate overview or explore weather in Japan.
