Winter Weather at Taiwan Taoyuan International Airport Taiwan

Daily high temperatures decrease by 5°F, from 71°F to 66°F, rarely falling below 55°F or exceeding 79°F. The lowest daily average high temperature is 63°F on January 28.

Daily low temperatures decrease by 5°F, from 62°F to 57°F, rarely falling below 49°F or exceeding 68°F. The lowest daily average low temperature is 55°F on January 27.

For reference, on July 17, the hottest day of the year, temperatures at Taiwan Taoyuan International Airport typically range from 79°F to 91°F, while on January 27, the coldest day of the year, they range from 55°F to 63°F.

The figure below shows you a compact characterization of the hourly average winter temperatures. The horizontal axis is the day, the vertical axis is the hour of the day, and the color is the average temperature for that hour and day.

Port Aransas, United States (7,990 miles away); Grand Isle, United States (8,159 miles); and Edgewater, United States (8,432 miles) are the far-away foreign places with temperatures most similar to Taiwan Taoyuan International Airport (view comparison).

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The winter at Taiwan Taoyuan International Airport experiences essentially constant cloud cover, with the percentage of time that the sky is overcast or mostly cloudy remaining about 45% throughout the season.

The clearest day of the winter is December 1, with clear, mostly clear, or partly cloudy conditions 59% of the time.

For reference, on June 20, the cloudiest day of the year, the chance of overcast or mostly cloudy conditions is 82%, while on October 23, the clearest day of the year, the chance of clear, mostly clear, or partly cloudy skies is 63%.

A wet day is one with at least 0.04 inches of liquid or liquid-equivalent precipitation. At Taiwan Taoyuan International Airport, the chance of a wet day over the course of the winter is very rapidly increasing, starting the season at 27% and ending it at 38%.

For reference, the year's highest daily chance of a wet day is 59% on June 10, and its lowest chance is 21% on December 16.

Rainfall

To show variation within the season and not just the monthly totals, we show the rainfall accumulated over a sliding 31-day period centered around each day.

The average sliding 31-day rainfall during the winter at Taiwan Taoyuan International Airport is rapidly increasing, starting the season at 2.8 inches, when it rarely exceeds 5.4 inches or falls below 0.5 inches, and ending the season at 4.1 inches, when it rarely exceeds 9.0 inches or falls below 1.1 inches.

The lowest average 31-day accumulation is 2.2 inches on December 27.

Over the course of the winter at Taiwan Taoyuan International Airport, the length of the day is increasing. From the start to the end of the season, the length of the day increases by 56 minutes, implying an average daily increase of 38 seconds, and weekly increase of 4 minutes, 24 seconds.

The shortest day of the winter is December 20, with 10 hours, 35 minutes of daylight and the longest day is February 28, with 11 hours, 38 minutes of daylight.

The latest sunrise of the winter at Taiwan Taoyuan International Airport is 6:42 AM on January 13 and the earliest sunrise is 23 minutes earlier at 6:18 AM on February 28.

The earliest sunset is 5:04 PM on December 1 and the latest sunset is 52 minutes later at 5:56 PM on February 28.

Daylight saving time is not observed at Taiwan Taoyuan International Airport during 2024.

For reference, on June 20, the longest day of the year, the Sun rises at 5:05 AM and sets 13 hours, 42 minutes later, at 6:47 PM, while on December 21, the shortest day of the year, it rises at 6:35 AM and sets 10 hours, 35 minutes later, at 5:10 PM.

The figure below presents a compact representation of the sun's elevation (the angle of the sun above the horizon) and azimuth (its compass bearing) for every hour of every day in the reporting period. The horizontal axis is the day of the year and the vertical axis is the hour of the day. For a given day and hour of that day, the background color indicates the azimuth of the sun at that moment. The black isolines are contours of constant solar elevation.

The figure below presents a compact representation of key lunar data for the winter of 2024. The horizontal axis is the day, the vertical axis is the hour of the day, and the colored areas indicate when the moon is above the horizon. The vertical gray bars (new Moons) and blue bars (full Moons) indicate key Moon phases. The label associated with each bar indicates the date and time that the phase is obtained, and the companion time labels indicate the rise and set times of the Moon for the nearest time interval in which the moon is above the horizon.

We base the humidity comfort level on the dew point, as it determines whether perspiration will evaporate from the skin, thereby cooling the body. Lower dew points feel drier and higher dew points feel more humid. Unlike temperature, which typically varies significantly between night and day, dew point tends to change more slowly, so while the temperature may drop at night, a muggy day is typically followed by a muggy night.

The chance that a given day will be muggy at Taiwan Taoyuan International Airport is rapidly decreasing during the winter, falling from 17% to 6% over the course of the season.

The lowest chance of a muggy day during the winter is 1% on January 24.

For reference, on July 9, the muggiest day of the year, there are muggy conditions 100% of the time, while on January 24, the least muggy day of the year, there are muggy conditions 1% of the time.

This section discusses the wide-area hourly average wind vector (speed and direction) at 10 meters above the ground. The wind experienced at any given location is highly dependent on local topography and other factors, and instantaneous wind speed and direction vary more widely than hourly averages.

The average hourly wind speed at Taiwan Taoyuan International Airport is rapidly decreasing during the winter, decreasing from 15.0 miles per hour to 12.3 miles per hour over the course of the season.

For reference, on October 19, the windiest day of the year, the daily average wind speed is 15.0 miles per hour, while on July 10, the calmest day of the year, the daily average wind speed is 8.0 miles per hour.

The hourly average wind direction at Taiwan Taoyuan International Airport throughout the winter is predominantly from the east, with a peak proportion of 62% on December 1.

Taiwan Taoyuan International Airport is located near a large body of water (e.g., ocean, sea, or large lake). This section reports on the wide-area average surface temperature of that water.

The average surface water temperature at Taiwan Taoyuan International Airport is decreasing during the winter, falling by 7°F, from 71°F to 64°F, over the course of the season.

The lowest average surface water temperature during the winter is 63°F on February 12.

Definitions of the growing season vary throughout the world, but for the purposes of this report, we define it as the longest continuous period of non-freezing temperatures (≥ 32°F) in the year (the calendar year in the Northern Hemisphere, or from July 1 until June 30 in the Southern Hemisphere).

Temperatures at Taiwan Taoyuan International Airport are sufficiently warm year round that it is not entirely meaningful to discuss the growing season in these terms. We nevertheless include the chart below as an illustration of the distribution of temperatures experienced throughout the year.

Growing degree days are a measure of yearly heat accumulation used to predict plant and animal development, and defined as the integral of warmth above a base temperature, discarding any excess above a maximum temperature. In this report, we use a base of 50°F and a cap of 86°F.

The average accumulated growing degree days at Taiwan Taoyuan International Airport are very rapidly decreasing during the winter, decreasing by 7,143°F, from 7,711°F to 568°F, over the course of the season.

This section discusses the total daily incident shortwave solar energy reaching the surface of the ground over a wide area, taking full account of seasonal variations in the length of the day, the elevation of the Sun above the horizon, and absorption by clouds and other atmospheric constituents. Shortwave radiation includes visible light and ultraviolet radiation.

The average daily incident shortwave solar energy at Taiwan Taoyuan International Airport is increasing during the winter, rising by 1.1 kWh, from 3.1 kWh to 4.2 kWh, over the course of the season.

The lowest average daily incident shortwave solar energy during the winter is 2.8 kWh on December 25.

For the purposes of this report, the geographical coordinates of Taiwan Taoyuan International Airport are 25.078 deg latitude, 121.233 deg longitude, and 105 ft elevation.

The topography within 2 miles of Taiwan Taoyuan International Airport contains only modest variations in elevation, with a maximum elevation change of 308 feet and an average elevation above sea level of 87 feet. Within 10 miles contains only modest variations in elevation (1,056 feet). Within 50 miles contains very significant variations in elevation (12,812 feet).

The area within 2 miles of Taiwan Taoyuan International Airport is covered by artificial surfaces (57%), sparse vegetation (14%), and bare soil (14%), within 10 miles by water (57%) and artificial surfaces (22%), and within 50 miles by water (73%) and trees (22%).