Lanzhou (Yongdeng) weather by month & the best time to visit
🇨🇳 China · major city break · semi-arid climate
The best time to visit Lanzhou (Yongdeng) is May — its sunniest month (Sunshine Score 87/100), with June and September close behind. Lanzhou (Yongdeng) averages about 2,679 hours of sunshine a year. Daytime highs around 22°C / 72°F and roughly 40 mm of rain in May.
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- Sun hours / year
- 2,679
- Sunniest month
- May
- Peak score
- 87/100
- Rain / year
- 361 mm
- Snow / year
- ≈31 cm
- Midday UV at peak
- 8 (very high)
- Population
- 3M
- Elevation
- 1,937 m

When is the best time to visit Lanzhou (Yongdeng)?
For sunshine, the best time to visit Lanzhou (Yongdeng) is May, then June and September. The dullest month is January (0/100, 3 mm of rain). The full month-by-month picture is in the table below.
How sunny is Lanzhou (Yongdeng)?
Lanzhou (Yongdeng) gets a lot of sun: around 2,679 hours a year. 87 Sunshine Score points separate May (87) from January (0), so the month you pick matters. It ranks #76 of 254 destinations in China for annual sunshine, above the national median of 2,110 hours. Rain has a clear season: the wettest stretch, around July, carries about 55% of the annual 361 mm.
Sunshine Score by month
| Month | Score | Day high | Night low | Rain | UV |
|---|---|---|---|---|---|
| January | 0 | 0° / 32°F | -12° / 10°F | 3 mm | 2 |
| February | 0 | 4° / 39°F | -8° / 18°F | 5 mm | 3 |
| March | 16 | 10° / 50°F | -4° / 25°F | 9 mm | 5 |
| April | 68 | 17° / 63°F | 2° / 36°F | 19 mm | 6 |
| May | 87 | 22° / 72°F | 7° / 45°F | 40 mm | 8 |
| June | 85 | 26° / 79°F | 12° / 54°F | 54 mm | 8 |
| July | 82 | 28° / 82°F | 15° / 59°F | 70 mm | 8 |
| August | 81 | 27° / 81°F | 13° / 55°F | 75 mm | 8 |
| September | 85 | 21° / 70°F | 8° / 46°F | 53 mm | 6 |
| October | 53 | 15° / 59°F | 2° / 36°F | 24 mm | 5 |
| November | 0 | 7° / 45°F | -5° / 23°F | 7 mm | 3 |
| December | 0 | 1° / 34°F | -10° / 14°F | 2 mm | 2 |
See Lanzhou (Yongdeng) on the interactive sunshine globe →
Nearby places for sunshine
- Xining China · 141 km · best in May · 2,548 h sun/yr
- Zhongwei (Shapotou) China · 180 km · best in Apr · 2,978 h sun/yr
- Yinchuan China · 317 km · best in Apr · 3,046 h sun/yr
- Longnan (Cheng) China · 362 km · best in Apr · 1,455 h sun/yr
- Qingyang (Xifeng) China · 366 km · best in May · 2,060 h sun/yr
- Wuhai China · 458 km · best in May · 3,229 h sun/yr
Nearest destinations
- Gannan (Xiahe) China · 209 km · 2,557 h sun/yr · best in Jul
- Guyuan (Yuanzhou) China · 238 km · 2,568 h sun/yr · best in May
- Jinchang China · 252 km · 3,117 h sun/yr · best in May
- Tianshui (Maiji) China · 297 km · 1,892 h sun/yr · best in Apr
Head-to-head
How Lanzhou (Yongdeng) compares month by month: Lanzhou (Yongdeng) vs Xining · Lanzhou (Yongdeng) vs Yinchuan · Lanzhou (Yongdeng) vs Zhongwei (Shapotou) · all comparisons
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