The best times to visit Yilan for ideal weather are
October 22nd to May 6th
based on average temperature and humidity from NOAA (the National Oceanic and Atmospheric Administration). Read below for more weather and travel details.
Yilan Travel Guide
Other Yilan Travel Info
Weather in Yilan
Average temperatures in Yilan vary greatly. Considering humidity, temperatures feel nice most of the year, excluding some hot weeks in the summer, with a chance of rain 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 Yilan, the hottest months are July, August, and then June. See average monthly temperatures below. The warmest time of year is generally early July where highs are regularly around 93.7°F (34.3°C) with temperatures rarely dropping below 81.3°F (27.4°C) at night.
Yilan Temperatures (Fahrenheit)
Yilan Temperatures (Celsius)
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.
Yilan Perceived Temperature (F)
Yilan Perceived Temperature (C)
Average Yilan 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.
|Month||Avg. High (°F)||Avg. Mean (°F)||Avg. Low (°F)|
|Month||Avg. High (°C)||Avg. Mean (°C)||Avg. Low (°C)|
Precipitation (Rain or Snow)
If dry weather is what you’re after, the months with the lowest chance of significant precipitation in Yilan are October, January, and then March. Note that we define “significant precipitation” as .1 inches or more in this section. The lowest chance of rain or snow occurs around mid October. For example, on the week of October 15th there is 1 day of precipitation on average. By contrast, it’s most likely to rain or snow in early to mid June with an average of 4 days of significant precipitation the week of June 11th.
When can you find snow in Yilan? 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 Yilan.
Snow on the Ground
The graph below shows the average snow on the ground in Yilan (in).
Average Rain and Snow by Month
|Month||Daily Chance of Rain||Average Snow Depth (in)||Total Precipitation (in)|
|Month||Daily Chance of Rain||Average Snow Depth (cm)||Total Precipitation (cm)|
Humidity and Wind
Yilan has some very humid months, and above average humidity throughout the year. The least humid month is July (63.1% relative humidity), and the most humid month is February (71.8%).
Wind in Yilan is usually calm. The windiest month is October, followed by November and January. October’s average wind speed of around 6.2 knots (7.2 MPH or 11.5 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 late September where average top sustained speeds reach 10.1 knots, which is considered a gentle breeze.
Relative Humidity (%)
The graph below shows the average % humidity by month in Yilan.
The graph below shows wind speed (max and average) in knots.
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||5.8||Light breeze||9||Gentle breeze|
|Feb||5||Light breeze||8.1||Gentle breeze|
|Mar||5.3||Light breeze||8.6||Gentle breeze|
|Apr||5.1||Light breeze||8.3||Gentle breeze|
|May||4.6||Light breeze||7.6||Gentle breeze|
|Jun||3.6||Barely noticeable||6.6||Light breeze|
|Jul||4.1||Light breeze||7.1||Gentle breeze|
|Aug||4.4||Light breeze||7.5||Gentle breeze|
|Sep||5.8||Light breeze||8.9||Gentle breeze|
|Oct||6.2||Light breeze||9.2||Gentle breeze|
|Nov||6.1||Light breeze||9||Gentle breeze|
|Dec||5.7||Light breeze||8.5||Gentle breeze|
Show Relative Humidity by Month
|Month||Avg. Relative Humidity|
Is it Safe to Travel to Yilan?
Our best data indicates this area is generally safe. As of Oct 07, 2019 there are no travel advisories or warnings for Taiwan; 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 Oct 01, 2019.
The Busiest and Least Crowded Months
The busiest month for tourism in Yilan, Taiwan is August, followed by November and February. 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 Yilan 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
Overall Yilan Travel Experience by Season
Spring (March through May)
Humidity and temperatures combine to make this season feel warm. Highs range from 85.9°F (29.9°C) and 66.5°F (19.2°C) with warmer temperatures in the later months. Rain is very common with 8 to 12 days of significant precipitation per month. Spring is the slowest for tourism, which makes it a good time for those looking for deals.
Summer (June through August)
The middle-year months have very comfortable weather with high temperatures that are quite warm. These months see the most precipitation with 8 to 12 days of precipitation per month. June – August is fairly slow season for tourism in Yilan, so lodging and other accommodations may cost slightly less.
Fall (September through November)
Fall daily highs range from 89.7°F (32.1°C) and 71.5°F (21.9°C), which will feel very nice given the humidity and wind. It rains or snows a significant amount: 6 to 8 days per month. Tourism is the busiest during these months due to the weather, so hotels may be higher priced.
Winter (December through February)
Weather is somewhat cool this time of year in Yilan to be enjoyable for warm weather travelers. The average high during this season is between 70.3°F (21.3°C) and 64.2°F (17.9°C). On average, it rains or snows a fair amount: 6 to 8 times per month. These times of year are the second busiest with tourists.