The best times to visit Yaan for ideal weather are

March 12th to June 17th

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



Other Yaan Travel Info

Weather in Yaan


Average temperatures in Yaan vary greatly. Considering humidity, temperatures feel nice most of the year, excluding some cold weeks in the winter, with a chance of rain or snow throughout most of the year. The area is less temperate than some — in the 37th 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 Yaan, 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 88.5°F (31.4°C) with temperatures rarely dropping below 72.5°F (22.5°C) at night.

Yaan Temperatures (Fahrenheit)


Yaan Temperatures (Celsius)


“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.

Yaan Perceived Temperature (F)


Yaan Perceived Temperature (C)



Average Yaan 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 48.8 43.3 38.9
Feb 54.2 47.9 42.8
Mar 63.7 55.8 49.1
Apr 72.4 63.9 56.4
May 79 70.7 63.4
Jun 82.9 74.9 68.2
Jul 85.9 78 71.5
Aug 85.7 77.6 71.2
Sep 77.6 71 66
Oct 69.6 63.6 59.1
Nov 60.6 55 50.8
Dec 51.6 46.3 41.9

Show Celsius

Month Avg. High (°C) Avg. Mean (°C) Avg. Low (°C)
Jan 9.3 6.3 3.8
Feb 12.3 8.8 6
Mar 17.6 13.2 9.5
Apr 22.4 17.7 13.6
May 26.1 21.5 17.4
Jun 28.3 23.8 20.1
Jul 29.9 25.6 21.9
Aug 29.8 25.3 21.8
Sep 25.3 21.7 18.9
Oct 20.9 17.6 15.1
Nov 15.9 12.8 10.4
Dec 10.9 7.9 5.5



Precipitation (Rain or Snow)

If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Yaan are January, February, and then December. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around late January and early February. For example, on the week of January 29th there are no days of precipitation on average. By contrast, it’s most likely to rain or snow in mid August with an average of 4 days of significant precipitation the week of August 13th.

When can you find snow in Yaan? Weather stations report no annual snow. 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 Yaan.

Days with precipitation

Snow on the Ground

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

Snow depth

Average Rain and Snow by Month

Show Inches

Month Daily Chance of Rain Average Snow Depth (in) Total Precipitation (in)
Jan 9% 0 0.8
Feb 14% 0 1.1
Mar 23% 0 2.2
Apr 35% 0 3.9
May 39% 0 5.5
Jun 40% 0 6.7
Jul 47% 0 14.6
Aug 52% 0 20.2
Sep 46% 0 6.9
Oct 38% 0 4.4
Nov 26% 0 2.2
Dec 14% 0 1.2

Show Centimeters

Month Daily Chance of Rain Average Snow Depth (cm) Total Precipitation (cm)
Jan 9 0 2
Feb 14 0 2.8
Mar 23 0 5.6
Apr 35 0 9.9
May 39 0 14
Jun 40 0 17
Jul 47 0 37.1
Aug 52 0 51.3
Sep 46 0 17.5
Oct 38 0 11.2
Nov 26 0 5.6
Dec 14 0 3


Humidity and Wind

Yaan has some very humid months, and above average humidity throughout the year. The least humid month is May (60.5% relative humidity), and the most humid month is October (76.1%).

Wind in Yaan is usually extremely calm. The windiest month is May, followed by June and April. May’s average wind speed of around 3.1 knots (3.5 MPH or 5.7 KPH) is considered “light air.” Maximum sustained winds (the highest speed for the day lasting more than a few moments) are at their highest in mid May where average top sustained speeds reach 6.6 knots, which is considered a light breeze.

Relative Humidity (%)

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

Avg. Relative Humidity


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

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 2.2 Barely noticeable 4.5 Light breeze
Feb 2.3 Barely noticeable 4.5 Light breeze
Mar 2.7 Barely noticeable 5.2 Light breeze
Apr 2.9 Barely noticeable 5.5 Light breeze
May 3.1 Barely noticeable 5.7 Light breeze
Jun 3 Barely noticeable 5.5 Light breeze
Jul 2.8 Barely noticeable 5.2 Light breeze
Aug 2.8 Barely noticeable 5.2 Light breeze
Sep 2.2 Barely noticeable 4.6 Light breeze
Oct 2.1 Barely noticeable 4.1 Light breeze
Nov 1.9 Barely noticeable 4.1 Light breeze
Dec 2 Barely noticeable 4.1 Light breeze

Show Relative Humidity by Month

Month Avg. Relative Humidity
Jan 68.5%
Feb 67.5%
Mar 62.2%
Apr 60.8%
May 60.5%
Jun 65.6%
Jul 70%
Aug 70.2%
Sep 74.7%
Oct 76.1%
Nov 75%
Dec 70.9%


Is it Safe to Travel to Yaan?

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 Yaan, 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 Yaan 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

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 Yaan Travel Experience by Season

Spring (March through May)

Humidity and temperatures combine to make this season feel moderate. Highs range from 81°F (27.2°C) and 57.8°F (14.3°C) with warmer temperatures in the later months. Rain is somewhat common with 7 to 12 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 12 to 16 days of precipitation per month. June – August is the slowest season for tourism in Yaan, so lodging and other accommodations may cost less than usual.

Fall (September through November)

Fall daily highs range from 79.6°F (26.4°C) and 58.2°F (14.6°C), which will feel comfortable given the humidity and wind. It rains or snows a good amount: 8 to 14 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 too cold this time of year in Yaan to be enjoyable for warm weather travelers. The average high during this season is between 57.8°F (14.3°C) and 46.8°F (8.2°C). On average, it rains or snows a smalll amount: 3 to 4 times per month. These times of year are the second busiest with tourists.


Best Times to TravelChina › Yaan, China