Tainan, Taiwan – Climate and Average Weather Year Round: An In-Depth Guide

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Tainan, Taiwan, boasts a tropical monsoon climate, making it an inviting destination year-round.

The hottest month is July, with average highs reaching 90°F.

Visitors looking to escape the heat might prefer the cooler months.

January, the coldest month, provides a comfortable respite with average highs around 74°F.

Rainfall is a significant factor in Tainan’s weather.

August is the rainiest month, with around 15.55 inches of precipitation over roughly 15 days.

These wet conditions can impact travel plans, so it’s wise to check the forecast before visiting.

Historical weather data helps to understand the climate better.

During winter, from December to February, the average daily high stays below 77°F—a perfect time for outdoor activities.

Tainan’s climate contrasts with Taipei’s cooler temperatures and the milder conditions in Taichung and Hualien.

Being well-informed about Tainan’s climate ensures an enjoyable trip.

Average Temperature in Tainan, Taiwan

Tainan features a warm climate with distinct seasons.

The hottest month is July, with highs averaging around 90°F and lows at 79°F.

The coldest month is January, with average highs of 74°F and lows near 58°F.

In Tainan, the hot season lasts from May through September.

During this time, temperatures often exceed 86°F, peaking in July.

Conversely, the cool season spans from December to February, when average daily high temperatures remain below 77°F.

Monthly Average Temperatures

Month Avg High (°F) Avg Low (°F)
January 74 58
February 75 59
March 78 63
April 83 68
May 87 73
June 89 76
July 90 79
August 90 78
September 87 76
October 83 72
November 79 67
December 75 61

You can expect the hourly average temperatures to reflect these patterns.

During winter, temperatures rarely reach freezing.

Summers, however, see consistent high temperatures and maximum temperatures often peak in July.

Understanding the temperature patterns in Tainan is vital for planning trips and activities.

With average temperatures generally remaining moderate, Tainan presents a pleasant climate year-round.

For more specifics on temperature trends, additional resources can be found in articles on temperature.

Average Precipitation in Tainan, Taiwan

Tainan experiences a range of precipitation throughout the year, with rainfall varying by month and minimal to no snowfall. Understanding these patterns can help residents and visitors plan better for wet and dry periods.

Average Rainfall in Tainan, Taiwan

Tainan sees the majority of its rainfall during the summer months.

The wettest month is August, with approximately 15.3 days of rain and about 15.55 inches of precipitation.

Month Rainfall (inches) Rainy Days
January 0.9 3.5
February 1.2 4.0
March 2.0 5.5
April 3.0 7.5
May 6.0 11.1
June 12.0 13.5
July 13.0 14.8
August 15.55 15.3
September 7.5 11.7
October 2.8 5.0
November 1.8 4.1
December 1.0 3.8

The rainy season runs from April to September, causing these months to be particularly humid and wet. Planning activities around this season is important to avoid heavy showers.

Average Snow in Tainan, Taiwan

Snow is extremely rare in Tainan due to its tropical climate. The city’s temperatures mostly stay well above freezing throughout the year.

Month Snowfall (inches)
January 0.0
February 0.0
March 0.0
April 0.0
May 0.0
June 0.0
July 0.0
August 0.0
September 0.0
October 0.0
November 0.0
December 0.0

Given Tainan’s latitude and sea-level elevation, snowfall is not a concern for the region. This lack of snow makes the city easier to navigate year-round without the challenges of winter weather conditions.

Average Sun in Tainan, Taiwan

Tainan experiences a warm, humid climate with distinct wet and dry seasons.

The city enjoys a significant amount of sunlight throughout the year, influenced by factors like cloud cover and seasonal changes.

Average Daily Shortwave Solar Energy in Tainan, Taiwan

Tainan receives an average of 4.8 kWh per square meter of daily shortwave solar energy.

The city sees most sunlight from May to August when days are longer and weather conditions are more conducive to clear skies.

During the wet season, clouds cover the sky more frequently, slightly reducing the amount of sunlight.

In contrast, the dry season offers more sunshine, especially from October to March.

In Tainan, solar elevation varies greatly, affecting the intensity and duration of sunlight.

The longest day occurs around June 21 with approximately 13.5 hours of daylight, while the shortest day happens around December 21, with about 10.8 hours of daylight.

Month Average Daily Solar Energy (kWh/m²)
January 3.5
February 4.0
March 4.5
April 4.2
May 5.1
June 5.4
July 5.3
August 5.0
September 4.7
October 4.5
November 3.9
December 3.6

Average Humidity in Tainan, Taiwan

Tainan, Taiwan, experiences varying humidity levels throughout the year. The humidity is generally high due to its subtropical climate.

Monthly Humidity Levels

Here’s a breakdown of average monthly humidity in Tainan:

Month Average Humidity (%)
January 75
February 78
March 80
April 84
May 86
June 87
July 88
August 85
September 83
October 80
November 78
December 76

Dew Point and Muggy Days

The average dew point is a key factor in understanding the muggy feel. A higher dew point means more moisture in the air, making it feel hotter.

During summer, especially in July and August, the dew point can reach up to 77°F.

This often results in muggy conditions where people may feel uncomfortable due to the high humidity.

Humidity in Tainan typically peaks in summer.

During this season, the weather feels muggy due to the combination of high temperatures and dew points.

For more detailed monthly humidity data, check out this climate information.

Rains and proximity to the sea also contribute to the high humidity levels.

These factors make Tainan a humid city year-round.

Average Wind in Tainan, Taiwan

The wind in Tainan, Taiwan varies throughout the year. The windiest month is January, with an average wind speed of 9.5 miles per hour.

During the calmer time from March to November, the wind speed decreases. May is the calmest month, with an average speed of 6.8 miles per hour.

Monthly Average Wind Speed (mph):

Month Wind Speed (mph)
January 9.5
February 8.0
March 7.2
April 7.0
May 6.8
June 7.0
July 7.5
August 8.0
September 7.8
October 7.2
November 7.5
December 8.5

The wind direction is generally from the northeast during the windiest periods. The consistent northeast wind helps to shape the climate and weather patterns in Tainan.

During the summer months, wind speeds remain lower compared to winter. This results in less wind chill and more stable weather.

The wind patterns in Tainan are influenced by both the geographic location and seasonal weather shifts. Understanding these patterns is essential for planning outdoor activities and ensuring safety.

Average Air Quality in Tainan, Taiwan

Tainan, Taiwan experiences varying air quality throughout the year. The region’s air quality is influenced by both natural and human-made factors.

Key Factors:

  • Temperature: The average high temperature in Tainan can reach 90°F in the hottest month, July.
  • Rainfall: August is the rainiest month, with about 15.55 inches of rain.

Monthly Air Quality Indicators:

Month PM2.5 (µg/m³) PM10 (µg/m³) AQI (US)
January 40 70 Moderate
February 35 65 Moderate
March 30 60 Moderate
April 25 55 Good
May 20 50 Good
June 15 45 Good
July 10 40 Good
August 15 45 Good
September 20 50 Good
October 25 55 Good
November 30 60 Moderate
December 35 65 Moderate

These values show how air quality ranges from “Good” in summer months to “Moderate” in winter. Days with higher humidity and precipitation, like in August, tend to have better air quality.

During the colder months, such as January and February, increased use of heating can affect air quality.

Tainan’s air quality is relatively stable, but it’s influenced by seasonal changes in temperature and rainfall.

Topography of Tainan, Taiwan

Tainan is located on the southwestern coast of Taiwan, just north of the Tropic of Cancer. The city lies at a latitude of approximately 22 degrees north. Its topography is largely flat, with much of the area at or near sea level.

Much of Tainan is characterized by its low-lying coastal plains, which make it suitable for agriculture and urban development. The fertile lands support a wide range of crops, benefiting from the area’s humid subtropical climate.

Elevation and Coastal Features

  • Sea Level: Most of Tainan is at or just above sea level, contributing to its warm and relatively consistent temperatures year-round.
  • Rivers and Canals: Numerous rivers and man-made canals crisscross the landscape, which are used for irrigation and transportation.

Geographic Highlights

  • Mountains and Hills: While the city itself is flat, the eastern part of Tainan begins to rise into gentle hills and eventually connects to the Central Mountain Range.
  • Proximity to Ocean: The western boundary of Tainan is the Taiwan Strait, offering beautiful coastal scenery and significant shipping routes.

Monthly Average Water Temperature (°F)

Month Temperature
January 72.32
June 84.02

The combination of flat plains, coastal proximity, and its position near the Tropic of Cancer makes Tainan a unique and diverse environment.

Extreme Weather Events That Occur in Tainan, Taiwan

Tainan, Taiwan, experiences a variety of extreme weather events, especially during the wet season.

Typhoons

Typhoons frequently impact Tainan from July to October. These storms can bring heavy rainfall and strong winds, causing flooding and damage. For instance, Typhoon Gaemi recently caused significant disruption.

Rainy and Wet Season

The wet season spans from May to October. During this time, monsoon rains are common and can submerge large areas. Rainfall during these months can often exceed several inches per day.

Month Avg Rainfall (in)
May 5.3
June 6.8
July 8.7
August 9.2
September 10.5
October 6.0

Dry Season

From November to April, Tainan experiences its dry season. During these months, rainfall is rare, and the weather is generally more stable.

Month Avg Rainfall (in)
November 1.5
December 1.2
January 1.0
February 1.3
March 1.8
April 2.0

High Temperatures

During the extreme weather seasons, temperatures can vary widely. Typhoons and monsoons often come with cooler winds, while the dry season can bring hot days, sometimes reaching into the high 80s or low 90s (°F).

Best Time of the Year to Visit Tainan, Taiwan

The best time to visit Tainan, Taiwan typically falls between October and December, when the weather is mild and dry. However, each season offers unique experiences for travelers, depending on their preferences for activities and climate.

What Is Tainan, Taiwan Like in Spring

In spring, Tainan experiences warm, pleasant weather with average temperatures ranging from 68°F to 82°F. Rainfall increases in April and May, so it’s wise to carry an umbrella. Spring is a good time for outdoor activities like visiting historic sites and temples.

Month Average Temp (°F) Rainfall (inches)
March 68-75 3.9
April 72-79 5.9
May 75-82 8.3

Spring’s mild weather makes it ideal for warm-weather activities. The increased rainfall in later months can sometimes disrupt travel plans, so it’s a tradeoff between avoiding the summer heat and dealing with spring showers.

What Is Tainan, Taiwan Like in Summer

Summer in Tainan, which runs from June to August, is hot and humid, with temperatures ranging from 79°F to 90°F. This period sees the most rainfall, making it less suitable for those who prefer dry weather.

Month Average Temp (°F) Rainfall (inches)
June 79-90 9.6
July 81-91 10.4
August 81-90 10.2

Tourism slows down during summer due to the weather, so those who visit can enjoy fewer crowds. July and August are the rainiest months, so it is wise to plan indoor activities.

What Is Tainan, Taiwan Like in Fall

Autumn, from September to November, is considered one of the best times to visit Tainan. The heat eases off, and the weather turns pleasant. Temperatures range from 73°F to 84°F, and humidity levels drop.

Month Average Temp (°F) Rainfall (inches)
September 79-88 7.8
October 75-84 2.9
November 68-77 1.6

Autumn is the driest season, making it perfect for sightseeing and other outdoor activities. November, in particular, is a favorite among tourists for its mild temperatures and low rainfall.

What Is Tainan, Taiwan Like in Winter

Winter in Tainan spans from December to February and offers cooler but still mild weather.

Average temperatures range from 61°F to 70°F, making it comfortable for exploring the city.

Month Average Temp (°F) Rainfall (inches)
December 63-72 1.7
January 61-69 1.3
February 63-70 1.7

Winter is an excellent time to visit Tainan for those who prefer cooler weather.

There is minimal rain, and the streets are less crowded, allowing travelers to enjoy their visit without the hustle and bustle of peak tourist seasons.

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