Mudanjiang vs Yanji: which is sunnier?
🇨🇳 China vs 🇨🇳 China · 183 km apart · long-term climate normals (NASA POWER, 2001–2020)
Mudanjiang is the sunnier overall: about 2,440 hours of sunshine a year to Yanji's 2,317. Yanji has the higher Sunshine Score in 2 of 12 months; the other 10 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.


At a glance
| Mudanjiang | Yanji | |
|---|---|---|
| Sunshine hours / year | 2,440 | 2,317 |
| Sunniest month | September (83/100) | September (81/100) |
| Nov–Feb average score | 0/100 | 0/100 |
| Jun–Aug average score | 71/100 | 70/100 |
| Rain / year | 631 mm | 635 mm |
| Peak midday UV | 6 (high) | 6 (high) |
Mudanjiang vs Yanji month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Mudanjiang | Yanji | Mudanjiang | Yanji | Mudanjiang | Yanji | |
| January | 0 | 0 | -11° | -8° | 8 | 6 |
| February | 0 | 0 | -6° | -3° | 8 | 10 |
| March | 0 | 0 | 2° | 5° | 18 | 16 |
| April | 36 | 50 | 13° | 15° | 33 | 35 |
| May | 80 | 79 | 21° | 22° | 73 | 73 |
| June | 76 | 76 | 26° | 27° | 93 | 92 |
| July | 68 | 67 | 28° | 29° | 138 | 139 |
| August | 68 | 67 | 27° | 28° | 135 | 136 |
| September | 83 | 81 | 22° | 23° | 57 | 61 |
| October | 29 | 43 | 12° | 14° | 34 | 36 |
| November | 0 | 0 | 0° | 3° | 24 | 23 |
| December | 0 | 0 | -9° | -6° | 10 | 8 |
The sunnier month by month: Jan even · Feb even · Mar even · Apr Yanji · May even · Jun even · Jul even · Aug even · Sep even · Oct Yanji · Nov even · Dec even.
When to pick which
- November–February: too close to call — Mudanjiang averages 0/100, Yanji 0/100. Yanji is the warmer, around -3°C daytime highs vs -6°C. See the winter sun ranking.
- March–May: Yanji (average score 43/100 vs 39). Yanji is the warmer, around 14°C daytime highs vs 12°C.
- June–August: too close to call — Mudanjiang averages 71/100, Yanji 70/100. Daytime highs are similar (27°C vs 28°C).
- September–October: Yanji (average score 62/100 vs 56). Yanji is the warmer, around 19°C daytime highs vs 17°C.
Full month-by-month guides: Mudanjiang weather by month · Yanji weather by month · Best time to visit China.
More comparisons: Mudanjiang vs Harbin · Mudanjiang vs Jiamusi · Mudanjiang vs Vladivostok · Yanji vs Changchun · Yanji vs Vladivostok · all head-to-heads