Ust-Kamenogorsk (Oskemen) vs Tacheng: which is sunnier?
🇰🇿 Kazakhstan vs 🇨🇳 China · 379 km apart · long-term climate normals (NASA POWER, 2001–2020)
Tacheng is the sunnier overall: about 3,000 hours of sunshine a year to Ust-Kamenogorsk (Oskemen)'s 2,437. Tacheng has the higher Sunshine Score in 7 of 12 months; the other 5 are within 2 points.
Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.


At a glance
| Ust-Kamenogorsk (Oskemen) | Tacheng | |
|---|---|---|
| Sunshine hours / year | 2,437 | 3,000 |
| Sunniest month | August (88/100) | August (93/100) |
| Nov–Feb average score | 0/100 | 0/100 |
| Jun–Aug average score | 86/100 | 89/100 |
| Rain / year | 468 mm | 271 mm |
| Peak midday UV | 6 (high) | 7 (high) |
Ust-Kamenogorsk (Oskemen) vs Tacheng month by month
| Month | Sunshine Score | Day high °C | Rain mm | |||
|---|---|---|---|---|---|---|
| Ust-Kamenogorsk (Oskemen) | Tacheng | Ust-Kamenogorsk (Oskemen) | Tacheng | Ust-Kamenogorsk (Oskemen) | Tacheng | |
| January | 0 | 0 | -10° | -4° | 28 | 20 |
| February | 0 | 0 | -7° | 0° | 27 | 16 |
| March | 0 | 8 | 2° | 9° | 39 | 18 |
| April | 43 | 77 | 14° | 18° | 37 | 26 |
| May | 86 | 92 | 21° | 24° | 39 | 26 |
| June | 85 | 92 | 27° | 31° | 46 | 28 |
| July | 84 | 83 | 29° | 33° | 52 | 26 |
| August | 88 | 93 | 28° | 31° | 30 | 19 |
| September | 88 | 93 | 21° | 24° | 29 | 20 |
| October | 21 | 54 | 11° | 15° | 50 | 23 |
| November | 0 | 0 | 0° | 5° | 52 | 28 |
| December | 0 | 0 | -8° | -2° | 39 | 21 |
The sunnier month by month: Jan even · Feb even · Mar Tacheng · Apr Tacheng · May Tacheng · Jun Tacheng · Jul even · Aug Tacheng · Sep Tacheng · Oct Tacheng · Nov even · Dec even.
When to pick which
- November–February: too close to call — Ust-Kamenogorsk (Oskemen) averages 0/100, Tacheng 0/100. Tacheng is the warmer, around 0°C daytime highs vs -6°C. See the winter sun ranking.
- March–May: Tacheng (average score 59/100 vs 43). Tacheng is the warmer, around 17°C daytime highs vs 12°C.
- June–August: Tacheng (average score 89/100 vs 86). Tacheng is the warmer, around 32°C daytime highs vs 28°C.
- September–October: Tacheng (average score 74/100 vs 55). Tacheng is the warmer, around 20°C daytime highs vs 16°C.
Full month-by-month guides: Ust-Kamenogorsk (Oskemen) weather by month · Tacheng weather by month · Best time to visit Kazakhstan · Best time to visit China.
More comparisons: Ust-Kamenogorsk (Oskemen) vs Astana · Ust-Kamenogorsk (Oskemen) vs Barnaul · Ust-Kamenogorsk (Oskemen) vs Altay · Tacheng vs Shihezi · Tacheng vs Karamay · Tacheng vs Bole · all head-to-heads