Temperature
Pleasant by day, brisk at night.
65°Ftypical October high
Typical range
Mild days with cool nights and some sun.

Pleasant by day, brisk at night.
Rain is frequent. About 14 wet days, fewer than in most months.
Cloudier spells limit sunshine.
In October, afternoons feel about 59° and nights feel near 48°.
Mostly cloudy skies this month.
Calm winds are typical in October.
October late afternoons are around 61°F, easing to about 55°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 36 | 27 | 4.2 | 23 | 7.0 | 80 |
| Feb | 37 | 28 | 3.5 | 19 | 7.9 | 78 |
| Mar | 46 | 34 | 4.3 | 16 | 8.9 | 75 |
| Apr | 60 | 44 | 4.0 | 13 | 9.5 | 71 |
| May | 68 | 53 | 4.3 | 15 | 9.3 | 75 |
| Jun | 77 | 63 | 5.0 | 15 | 9.6 | 80 |
| Jul | 84 | 72 | 5.8 | 18 | 8.5 | 84 |
| Aug | 85 | 73 | 7.9 | 18 | 8.9 | 84 |
| Sep | 79 | 64 | 4.9 | 12 | 8.0 | 82 |
| Oct | 65 | 50 | 5.2 | 14 | 8.0 | 79 |
| Nov | 54 | 41 | 5.8 | 18 | 6.5 | 79 |
| Dec | 39 | 30 | 5.5 | 25 | 6.4 | 80 |
Similar climates
Want a side-by-side climate view? Compare Hirosaki with Nikko.
Typical monthly values are based on long-term climate records. Useful for planning, not a forecast. Check the weather before you travel.
Sunshine: source type is not yet identified at metric level.
Local microclimates can vary by beach, neighborhood, trail, or elevation.
Last updated: Jul 31, 2026
Data & methodology