Hachimantai in August
6.8out of 10
Possible, with caveats
Warm and comfortable: highs around 25°C. Very wet: about 15 rainy days.
25°CAvg high
18°CAvg low
15Rainy days (142 mm)
13:35 hDaylight
04:52Sunrise · 18:27 Sunset
Why this score
- Warm and comfortable: highs around 25°C
- Very wet: about 15 rainy days
What to wear and pack
- T-shirts and light layers
- Rain jacket or compact umbrella
How reliable is the forecast?
Rain in August varies a lot between years (±3.1 rainy days), so check the forecast closer to your trip. Averages cover 30 years (1991–2020). Individual days can differ a lot.
Year at a glance
Weather by month
| Month | Avg high | Avg low | Rainfall | Rainy days | Humidity | Sunshine | Score |
|---|---|---|---|---|---|---|---|
| January | -1°C | -8°C | 60 mm | 11 | – | – | 3.7 |
| February | 0°C | -8°C | 60 mm | 11 | – | – | 3.7 |
| March | 4°C | -4°C | 89 mm | 14 | – | – | 4.0 |
| April | 11°C | 3°C | 90 mm | 14 | – | – | 5.4 |
| May | 17°C | 9°C | 93 mm | 13 | – | – | 6.5 |
| June | 21°C | 13°C | 106 mm | 13 | – | – | 7.0 |
| July | 24°C | 18°C | 143 mm | 17 | – | – | 6.6 |
| August | 25°C | 18°C | 142 mm | 15 | – | – | 6.8 |
| September | 21°C | 14°C | 139 mm | 13 | – | – | 7.0 |
| October | 15°C | 7°C | 109 mm | 11 | – | – | 6.4 |
| November | 8°C | 1°C | 76 mm | 12 | – | – | 5.1 |
| December | 2°C | -5°C | 74 mm | 12 | – | – | 3.7 |
Frequently asked questions
How hot is Hachimantai in August?
Daytime highs average 25°C and nights about 18°C.
When is the best time to visit Hachimantai?
The best months are June, September, August, July.