Temperature
Cold by day, cold at night.
Cold days and plenty of sun.
Cold by day, cold at night.
Several rainy days. About 11 wet days, more than in most months.
A mix of sunshine and cloud.
Humidity is rarely noticeable in the cool air.
In April, afternoons feel about 38° and nights feel near 31°.
Partly cloudy skies this month.
Calm winds are typical in April.
April late afternoons are around 46°F, easing to about 42°F in early evening.
| Month | High°F | Low°F | Rainin | Wet days | Sunh | Humidity% |
|---|---|---|---|---|---|---|
| Jan | 31 | 19 | 1.5 | 7 | 7.6 | 71 |
| Feb | 32 | 20 | 1.4 | 7 | 8.6 | 71 |
| Mar | 39 | 28 | 2.3 | 9 | 9.5 | 72 |
| Apr | 48 | 38 | 2.9 | 11 | 10.0 | 73 |
| May | 56 | 47 | 3.7 | 12 | 9.9 | 79 |
| Jun | 63 | 55 | 3.3 | 10 | 10.1 | 84 |
| Jul | 71 | 64 | 4.5 | 12 | 9.1 | 87 |
| Aug | 74 | 67 | 6.3 | 13 | 8.8 | 85 |
| Sep | 70 | 60 | 5.5 | 11 | 8.5 | 79 |
| Oct | 60 | 49 | 3.7 | 10 | 8.5 | 73 |
| Nov | 47 | 37 | 3.0 | 10 | 7.3 | 71 |
| Dec | 35 | 26 | 2.2 | 9 | 7.1 | 69 |
Similar climates
Want a side-by-side climate view? Compare Sapporo with Seoul.
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: Jun 1, 2026
Data & methodology