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.
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 |
Nearest destinations
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
Lanzhou (Yongdeng): questions and answers
What kind of destination is Lanzhou (Yongdeng)?
Lanzhou (Yongdeng) is a major city break in China at 1,937 m elevation with a semi-arid climate.
How many hours of sunshine does Lanzhou (Yongdeng) get a year?
Lanzhou (Yongdeng) gets about 2,679 hours of sunshine a year, at its best around May.
When is the best time to visit Lanzhou (Yongdeng)?
The sunniest time to visit Lanzhou (Yongdeng) is May, when the Sunshine Score peaks at 87/100 (with June and September close behind). Expect daytime highs around 22°C / 72°F.
What is the least sunny month in Lanzhou (Yongdeng)?
January is the least sunny month in Lanzhou (Yongdeng), scoring 0/100 with about 3 mm of rain.
How strong is the sun in Lanzhou (Yongdeng)?
The typical midday UV index in Lanzhou (Yongdeng) peaks around 8 (very high) in May, easing to about 2 (low) in January. Month-by-month midday UV values are in the UV column of the table on this page.
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