Temperature
Pleasant by day, brisk at night.
68°Ftypical April high
Typical range
Mild days and some sun.
Pleasant by day, brisk at night.
Several rainy days. About 12 wet days this month.
A mix of sunshine and cloud.
In April, afternoons feel about 64° and nights feel near 55°.
Mostly cloudy skies this month.
Calm winds are typical in April.
April late afternoons are around 67°F, easing to about 63°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 51 | 41 | 3.1 | 11 | 7.0 | 69 |
| Feb | 53 | 42 | 4.0 | 11 | 7.7 | 69 |
| Mar | 60 | 48 | 5.4 | 13 | 7.9 | 69 |
| Apr | 68 | 56 | 5.7 | 12 | 8.5 | 70 |
| May | 76 | 63 | 7.2 | 12 | 8.6 | 73 |
| Jun | 80 | 71 | 15.4 | 17 | 6.9 | 81 |
| Jul | 87 | 78 | 10.7 | 17 | 8.7 | 81 |
| Aug | 89 | 79 | 6.2 | 15 | 9.7 | 78 |
| Sep | 85 | 73 | 6.1 | 12 | 8.5 | 76 |
| Oct | 76 | 63 | 3.9 | 8 | 8.2 | 72 |
| Nov | 65 | 53 | 3.8 | 9 | 7.5 | 72 |
| Dec | 55 | 44 | 3.1 | 10 | 7.2 | 70 |
Similar climates
Want a side-by-side climate view? Compare Kumamoto City with Tokyo.
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