Lanzhou Weather in May
With daytime temperatures of 23°C (73°F) and nighttime lows of 10°C (50°F), May in Lanzhou brings high temperatures during the day. The perfect weather makes it an appealing time to visit.
Rainfall in Lanzhou in May
Historically, May sees about 10 days of rain, with a monthly average of 45 mm (1.8 in). Expect a fairly normal spread of rainfall this month, with no particular pattern of very heavy or very persistent showers.
Temperature in Lanzhou in May
May is one of the better months to visit Lanzhou. Expect 23°C (73°F) during the day and 10°C (50°F) at night. The days can feel warmer than the evenings, so packing for both parts of the day is a good idea. Nights drop to 10°C (50°F). Cold nights like these are actually great for sleeping well, as long as you have a warm enough duvet.
Sunshine in Lanzhou in May
The city usually sees around 246 hours of sunlight, indicating many sunny days — a great month for sightseeing.If you're a fan of comfortable temperatures and drier conditions, May is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Lanzhou's climate page.
Lanzhou Temperature in May
Min Temperature
10°C (50°F)
Max Temperature
23°C (73°F)
Chance of Rain
33%
Precipitation
45 mm (1.8 in)
Rainy days
10 days
Humidity
52%
Sunshine
246 hours
Percentage Sunshine
57%
Daily Historical Temperatures
49-year average (1976-2025)
Based on our historical records, temperatures in Lanzhou typically stay consistent throughout May, with daily highs averaging around 23°C (73°F). Nights are cool, with lows typically ranging from 8°C (46°F) to 12°C (54°F).
Average temperatures in May
Historical weather for Lanzhou in May
Browse day-by-day weather records for Lanzhou spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lanzhou historical weather extremes in May
Based on 21 years of weather observations (2005-2026), these are the most extreme conditions recorded in Lanzhou.
- On May 23, 2024, temperatures climbed to 32°C (90°F), marking the warmest May day on record.
- Lanzhou registered its coldest May night on May 11, 2020, with temperatures dropping to -2°C (28°F).
- The wettest day in May Lanzhou was on May 14, 2013 with 28 mm (1.1 in) of precipitation.
Best Places in China in May
Find out more about the weather in China and which places have the best travel conditions in this month. See all of China in May →
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What to Wear in Lanzhou in May
Comfortable temperatures call for an easy wardrobe in May. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Lanzhou in May
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit China, check out our Lanzhou's climate page.
Temperature Rainfall Sunshine Humidity
See the full Lanzhou climate overview or explore weather in China.
