Sapporo vs Asahikawa: which is sunnier?
🇯🇵 Japan vs 🇯🇵 Japan · 117 km apart · long-term climate normals (NASA POWER, 2001–2020)
Sapporo and Asahikawa are virtually tied for annual sunshine — about 1,696 vs 1,633 hours a year. Sapporo has the higher Sunshine Score in 3 of 12 months; the other 9 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.
At a glance
| Sapporo | Asahikawa | |
|---|---|---|
| Sunshine hours / year | 1,696 | 1,633 |
| Sunniest month | June (73/100) | June (73/100) |
| Nov–Feb average score | 0/100 | 0/100 |
| Jun–Aug average score | 66/100 | 66/100 |
| Rain / year | 1,206 mm | 1,093 mm |
| Peak midday UV | 5 (moderate) | 5 (moderate) |
Sapporo vs Asahikawa month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Sapporo | Asahikawa | Sapporo | Asahikawa | Sapporo | Asahikawa | |
| January | 0 | 0 | -2° | -4° | 83 | 70 |
| February | 0 | 0 | -2° | -3° | 69 | 61 |
| March | 0 | 0 | 2° | 1° | 64 | 55 |
| April | 13 | 0 | 10° | 8° | 62 | 52 |
| May | 55 | 50 | 17° | 16° | 79 | 69 |
| June | 73 | 73 | 21° | 21° | 86 | 80 |
| July | 65 | 66 | 25° | 25° | 127 | 119 |
| August | 61 | 60 | 26° | 25° | 164 | 154 |
| September | 63 | 65 | 22° | 21° | 137 | 126 |
| October | 39 | 28 | 15° | 13° | 113 | 107 |
| November | 0 | 0 | 7° | 5° | 113 | 103 |
| December | 0 | 0 | 0° | -2° | 109 | 97 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr Sapporo · May Sapporo · Jun even · Jul even · Aug even · Sep even · Oct Sapporo · Nov even · Dec even.
When to pick which
- November–February: too close to call — Sapporo averages 0/100, Asahikawa 0/100. Sapporo is the warmer, around 1°C daytime highs vs -1°C. See the winter sun ranking.
- March–May: Sapporo (average score 23/100 vs 17). Sapporo is the warmer, around 10°C daytime highs vs 8°C.
- June–August: too close to call — Sapporo averages 66/100, Asahikawa 66/100. Daytime highs are similar (24°C vs 24°C).
- September–October: Sapporo (average score 51/100 vs 47). Sapporo is the warmer, around 19°C daytime highs vs 17°C.
Full month-by-month guides: Sapporo weather by month · Asahikawa weather by month · Best time to visit Japan.
More comparisons: Sapporo vs Hakodate · Sapporo vs Obihiro · Asahikawa vs Yuzhno-Sakhalinsk · Asahikawa vs Kushiro · Asahikawa vs Obihiro · all head-to-heads