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.
Yaan Travel Guide
Other Yaan Travel Info
Weather in Yaan
Temperature
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)
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Yaan Temperatures (Celsius)
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“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)
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Yaan Perceived Temperature (C)
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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.
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Snow on the Ground
The graph below shows the average snow on the ground in Yaan (in).
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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.
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Wind
The graph below shows wind speed (max and average) in knots.
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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 somewhat safe. As of Dec 04, 2023 there are travel warnings for Macao; exercise a high degree of caution. Check this page for any recent changes or regions to avoid: Travel Advice and Advisories. This advisory was last updated on Oct 26, 2023.
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
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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 Travel› China › Yaan, China