Is Altay sunnier than Tacheng?

They are nearly tied: Altay gets about 3,054 hours of sunshine a year and Tacheng about 3,000.

Which is warmer, Altay or Tacheng?

Tacheng is warmer across the year: average daytime highs of 15°C (59°F) versus 12°C.

Which is better in winter (November–February), Altay or Tacheng?

They are close in the November–February window: Altay averages 0/100 (about -4°C days), Tacheng 0/100 (about 0°C).

Altay vs Tacheng: which is sunnier?

🇨🇳 China vs 🇨🇳 China · 378 km apart · long-term climate normals (NASA POWER, 2001–2020)

Altay and Tacheng are virtually tied for annual sunshine — about 3,054 vs 3,000 hours a year. Tacheng has the higher Sunshine Score in 3 of 12 months, Altay in 1 (8 within 2 points).

Scores are the 0–100 Sunshine Score — sunshine, daytime warmth and dryness in one number, per month.

At a glance

	Altay	Tacheng
Sunshine hours / year	3,054	3,000
Sunniest month	May (94/100)	August (93/100)
Nov–Feb average score	0/100	0/100
Jun–Aug average score	93/100	89/100
Rain / year	209 mm	271 mm
Peak midday UV	7 (high)	7 (high)

Altay vs Tacheng month by month

Month	Sunshine Score		Day high °C		Rain mm
Month	Altay	Tacheng	Altay	Tacheng	Altay	Tacheng
January	0	0	-8°	-4°	17	20
February	0	0	-4°	0°	12	16
March	0	8	5°	9°	12	18
April	55	77	15°	18°	15	26
May	94	92	22°	24°	17	26
June	93	92	29°	31°	23	28
July	93	83	31°	33°	22	26
August	93	93	29°	31°	20	19
September	94	93	21°	24°	16	20
October	31	54	12°	15°	16	23
November	0	0	1°	5°	22	28
December	0	0	-6°	-2°	17	21

The sunnier month by month: Jan even · Feb even · Mar Tacheng · Apr Tacheng · May even · Jun even · Jul Altay · Aug even · Sep even · Oct Tacheng · Nov even · Dec even.

When to pick which

November–February: too close to call — Altay averages 0/100, Tacheng 0/100. Tacheng is the warmer, around 0°C daytime highs vs -4°C. See the winter sun ranking.
March–May: Tacheng (average score 59/100 vs 50). Tacheng is the warmer, around 17°C daytime highs vs 14°C.
June–August: Altay (average score 93/100 vs 89). Tacheng is the warmer, around 32°C daytime highs vs 30°C.
September–October: Tacheng (average score 74/100 vs 63). Tacheng is the warmer, around 20°C daytime highs vs 17°C.

Full month-by-month guides: Altay weather by month · Tacheng weather by month · Best time to visit China.

More comparisons: Altay vs Ust-Kamenogorsk (Oskemen) · Altay vs Karamay · Altay vs Qitai · Tacheng vs Shihezi · Tacheng vs Ust-Kamenogorsk (Oskemen) · Tacheng vs Karamay · all head-to-heads