City break

Lanzhou weather in May

Temperature, rain and sunshine in May: long-term averages from 30 years of weather data, not a forecast.

89

Holiday weather in May

Excellent

Best time to visit: April – June, September

What is the weather like in Lanzhou in May?

In May, Lanzhou is warm: daytime highs average 24 °C, and nights cool down to about 10 °C. The sun shines for around 7 hours a day. Rain falls on about 6 days, adding up to 30 mm. All in all, May is an excellent month for a holiday in Lanzhou.

May compared

How the weather changes from April to June. Tap a month to open it.

AprilAprMayMayJuneJun
Score908981
Day19°24°28°
Night5°10°15°
Sun6 h7 h7 h
Rain days466

More details for May

Daylight
14 h 3 min05:59 – 20:02
UV index
11 · extremeclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
18 km/haverage daily peakAll months
Cloud cover
62 %on averageAll months
Hot days
3 days30 °C or moreAll months
Snow days
0 days1 cm or more of fresh snow
Time zone
UTC+8Asia/Shanghai

How the score comes together

  • Temperatureweight 50 %100 %
  • Sunshineweight 20 %63 %
  • Few rainy daysweight 30 %88 %

Each factor is rated from 0 to 100 % and weighted for the travel style “City break”.

What to pack in May

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings

Lanzhou in May: quick answers

Is Lanzhou hot in May?

Warm rather than hot: in May, daytime highs in Lanzhou average 24 °C and nights cool to about 10 °C. On about 3 days the thermometer climbs to 30 °C or more.

Does it rain much in Lanzhou in May?

Rain falls on about 6 days, adding up to 30 mm.

Lanzhou month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences