The best times to visit Lanzhou for ideal weather are

May 21st to September 16th

based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.

 

 


Other Lanzhou Travel Info

Weather in Lanzhou

Temperature

Average temperatures in Lanzhou vary drastically. Considering humidity, temperatures feel cold for about half of the year and otherwise nice with a low chance of precipitation most of the year. The area is somewhat temperate — in the 42nd percentile for pleasant weather — compared to tourist destinations worldwide. Weeks with ideal weather are listed above. If you’re looking for the very warmest time to visit Lanzhou, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally late July where highs are regularly around 82°F (27.8°C) with temperatures rarely dropping below 55.4°F (13°C) at night.

Lanzhou Temperatures (Fahrenheit)

Key
High
Average
Low

Lanzhou Temperatures (Celsius)

Key
High
Average
Low

“Feels-Like” Temperatures

The way we experience weather isn’t all about temperature. Higher temperatures affect us much more at higher humidity, and colder temperatures feel piercing with high winds. Our perceived temperatures factor in humidity and wind chill to better represent how hot or cold the day feels to a person.

Lanzhou Perceived Temperature (F)

Key
High
Average
Low

Lanzhou Perceived Temperature (C)

Key
High
Average
Low

 

Average Lanzhou Temperatures by Month

Daily highs (averaged for the month) usually give the best indication of the weather. A significantly lower mean and low generally just means it gets colder at night.

Show Fahrenheit

Month Avg. High (°F) Avg. Mean (°F) Avg. Low (°F)
Jan 32.3 19.2 7.4
Feb 40.2 27.9 16.3
Mar 51.1 39 27.1
Apr 62.2 50 36.3
May 69.2 57.6 43.9
Jun 75.6 64 50.7
Jul 78.4 66.9 54.4
Aug 77.1 65.5 53.1
Sep 66.5 56.5 46.5
Oct 58.4 47.1 35.7
Nov 45.6 33.7 23.1
Dec 34.5 21.9 10.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 0.2 -7.1 -13.7
Feb 4.6 -2.3 -8.7
Mar 10.6 3.9 -2.7
Apr 16.8 10 2.4
May 20.7 14.2 6.6
Jun 24.2 17.8 10.4
Jul 25.8 19.4 12.4
Aug 25.1 18.6 11.7
Sep 19.2 13.6 8.1
Oct 14.7 8.4 2.1
Nov 7.6 0.9 -4.9
Dec 1.4 -5.6 -11.7

 


 

Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Lanzhou are January, November, and then February. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around early January. For example, on the week of January 1st there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid May with an average of 2 days of significant precipitation the week of May 7th.

When can you find snow in Lanzhou? Weather stations report a bit of annual snow likely to be deepest around December, especially close to early to mid December. The best time to ski (if at all) in Lanzhou is often around around December 10th when fresh powder is deepest. Please note that a value of 0 for snow in the graph below may either mean there was no snow, or that snow is unreported.

Chance of Precipitation

The graph below shows the % chance of rainy and snowy days in Lanzhou.

Key
Days with precipitation

Snow on the Ground

The graph below shows the average snow on the ground in Lanzhou (in).

Key
Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 1% 0 0.1
Feb 3% 0 0.3
Mar 5% 0 0.5
Apr 10% 0 1.1
May 19% 0 1.8
Jun 16% 0 2.4
Jul 23% 0 2.8
Aug 19% 0 3
Sep 24% 0 2.6
Oct 10% 0.4 1.1
Nov 2% 0 0.2
Dec 3% 2 0.5

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 1 0 0.3
Feb 3 0 0.8
Mar 5 0 1.3
Apr 10 0 2.8
May 19 0 4.6
Jun 16 0 6.1
Jul 23 0 7.1
Aug 19 0 7.6
Sep 24 0 6.6
Oct 10 1 2.8
Nov 2 0 0.5
Dec 3 5.1 1.3

 

Humidity and Wind

Lanzhou has some humid months, and slightly dry months in the opposite season. The least humid month is April (34.7% relative humidity), and the most humid month is September (67.6%).

Wind in Lanzhou is usually calm. The windiest month is April, followed by May and June. April’s average wind speed of around 5.1 knots (5.9 MPH or 9.5 KPH) is considered “a light breeze.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in early to mid May where average top sustained speeds reach 10.5 knots, which is considered a gentle breeze.

Relative Humidity (%)

The graph below shows the average % humidity by month in Lanzhou.

Key
Avg. Relative Humidity

Wind

The graph below shows wind speed (max and average) in knots.

Key
Max Sustained Wind
Average Daily Wind

Average Wind Speeds

Show Wind Speeds

All wind speeds are in knots. 1 knot = 1.15 MPH or 1.85 KPH.

Month Avg. Wind Avg. Wind Feel Sustained High Wind High Wind Feel
Jan 3.3 Barely noticeable 5.8 Light breeze
Feb 3.9 Barely noticeable 6.8 Light breeze
Mar 4.5 Light breeze 8.1 Light breeze
Apr 5.1 Light breeze 9.5 Gentle breeze
May 5 Light breeze 9.3 Light breeze
Jun 4.8 Light breeze 8.8 Gentle breeze
Jul 4.5 Light breeze 8.2 Light breeze
Aug 4.5 Light breeze 8.1 Gentle breeze
Sep 4 Light breeze 7.4 Light breeze
Oct 3.8 Barely noticeable 6.9 Light breeze
Nov 3.4 Barely noticeable 5.8 Light breeze
Dec 3.2 Barely noticeable 5.6 Light breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 41.3%
Feb 43.2%
Mar 37.6%
Apr 34.7%
May 42.2%
Jun 49.1%
Jul 56.2%
Aug 56.6%
Sep 67.6%
Oct 58.5%
Nov 52.9%
Dec 47%

 

Is it Safe to Travel to Lanzhou?

Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Macao; exercise normal security precautions. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Aug 22, 2019.


 

The Busiest and Least Crowded Months

The busiest month for tourism in Lanzhou, China is January, followed by September and March. Prices for hotels and flights will be most expensive during these months, though you can save if you purchase well in advance. Tourists are unlikely to visit Lanzhou in June. Those willing to visit at these times will likely find it the least expensive month.

Estimated Tourism by Month

 

Most Popular Months to Visit

Key
Tourists Seeking Accommodations

Tourism graph is based on Google searches for services used by tourists relative to the rest of the year. Tourism data for this area is extrapolated based on nearby areas. Displayed data is calculated relative to the peak, so a score of 25.8 in June means 25.8% of the tourists vs. January.

 

 

Overall Lanzhou Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderately cold. Highs range from 72.7°F (22.6°C) and 42.5°F (5.8°C) with warmer temperatures in the later months. Rain is rare with 1 to 6 days of significant precipitation per month. Spring is the busiest for tourism, which makes it a good time for those looking for things to do.

Summer (June through August)

The middle-year months have very comfortable weather with high temperatures that are comfortable. These months see the most precipitation with 5 to 7 days of precipitation per month. June – August is the slowest season for tourism in Lanzhou, so lodging and other accommodations may cost less than usual.

Fall (September through November)

Fall daily highs range from 68.1°F (20.1°C) and 41.4°F (5.2°C), which will feel chilly given the humidity and wind. It rains or snows a normal amount: 1 to 7 days per month. Tourism is fairly slow during these months due to the weather, so hotels may be lower priced.

Winter (December through February)

Weather is far too cold this time of year in Lanzhou to be enjoyable for warm weather travelers. The average high during this season is between 45.3°F (7.4°C) and 31.3°F (-0.4°C). On average, it rains or snows a very small amount: 0 to 1 times per month. These times of year are the second busiest with tourists.

 

Best Times to TravelChina › Lanzhou, China