Climate and monthly weather forecast
Hualien County, Taiwan

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The climate of Hualien County

Hualien County, positioned in Taiwan, features a subtropical climate with no dry season, indicating by the Köppen climate classification as Cfa. This region experiences relatively high temperatures, coupled with substantial rainfall throughout the year. The air is humid and tropical, with soaring temperatures and considerable rainfall that does not significantly fluctuate from one season to another.

Observing climate data, Hualien County witnesses a variation in temperature from 15.4°C (59.7°F) to 32°C (89.6°F) during the year. Temperatures peak in July and August, reaching 32°C (89.6°F) and experience the lowest in January, only dipping down to 15.4°C (59.7°F). On the other hand, rainfall increases substantially to a yearly high of 367mm (14.45") in October from a lesser 68mm (2.68") in December. The predominance of the rainy days remains consistent throughout, averaging from 15 to 20 days monthly.

The daylight hours observed in this region vary between 10.7 hours in December to 13.6 hours in June. Sunshine hours gradually increase from 3 hours in January, peaking in July with 8 hours. In terms of UV Index, it reaches its highest between April to August, reported at level 12, while it reduces to its lowest, level 6, in December. Sea temperatures range from 23.5°C (74.3°F) to 29.2°C (84.6°F), peaking in August.

The best time to visit Hualien County

Considering all climatic parameters, the most favorable time to visit Hualien County tends to be during spring. Specifically, the period between March to May provides a blend of moderated temperatures ranging from 17.5°C (63.5°F) to 20°C (68°F) and tolerable rainfall scaling from 87mm (3.43") to 195mm (7.68"). In addition, daylight hours expand to an average of 12 hours, offering pleasant daylight to relish outdoor activities, while the sea temperature sits at a comfortable range between 24.1°C (75.4°F) to 25.7°C (78.3°F), making it an ideal time for beach outings or swimming.

The worst time to visit Hualien County

Weather data suggests that autumn, particularly the months from September to November, constitutes the less favorable time to travel to Hualien County. During this period, the region confronts the highest rainfall, elevating from 344mm (13.54") in September to 367mm (14.45") in October, resulting in wet conditions that may limit outdoor excursions. The temperature during these months fluctuates between 22°C (71.6°F) to 28.2°C (82.8°F), while the number of sunlight hours dwindles to an average of 5 to 6.

Spring weather in Hualien County

Hualien County welcomes spring with gradually warming temperatures, starting from 17.5°C (63.5°F) in March and reaching 20°C (68°F) in May. Rainfall during these months ranges from 87mm (3.43") to 195mm (7.68"). Adequate daylight hours from 12 hours in March, extending to 13.3 hours in May, embellish the spring days. The combination of rising sea temperatures from 24.1°C (75.4°F) in March to 27.4°C (81.3°F) in May and extended sunlight hours makes this period particularly enticing for water-related activities and outdoor exploration.

Summer weather in Hualien County

Summer in Hualien County characterizes high temperatures, increasing from 22.4°C (72.3°F) in June to a peak of 25.4°C (77.7°F) in August. Rainfall during these months escalates and peaks at 261mm (10.28") in August. An approximate of 13 hours of daylight is noted, alongside expanding sunlight duration from 6 hours in June to 8 hours in July. During this season, the sea temperature hits its maximal range, floating from 28.3°C (82.9°F) in June to 29.2°C (84.6°F) in August. Despite the wetter conditions, the warm sea provides excellent opportunities for water sports enthusiasts.

Autumn weather in Hualien County

Autumn in Hualien prompts a decline in temperature, with the gauge sliding from 24°C (75.2°F) in September to 19.5°C (67.1°F) in November. Simultaneously, the region experiences its highest rainfall levels, culminating in October at 367mm (14.45"). Daylight hours begin to shrink from an average of 12.3 hours in September to 11 hours in November. On a brighter note, the sea temperature remains moderately warm, between 28.3°C (82.9°F) to 26.5°C (79.7°F), allowing for continuous engagement in water-based activities, albeit in wetter atmospheric conditions.

Winter weather in Hualien County

Winter arrives in Hualien County with declining temperatures, falling from 16.7°C (62.1°F) in December to the year's low of 15.4°C (59.7°F) in January. Rainfall during these months significantly drops to a year-round low of 68mm (2.68") in December, contributing to drier conditions. The daylight hours become the shortest during this period, constraining down from 10.7 hours in December to 10.8 hours in February. The sea temperature follows the overall cooling trend, reducing from 24.8°C (76.6°F) in December to 23.5°C (74.3°F) in February, which may discourage water activities in the chillier conditions. Despite the lower temperatures and shorter days, Hualien County's winter permits outdoor exploration, backed by reduced precipitation.

Weather in January

January ushers in the new year with cool temperatures dipping to as low as 15.4°C (59.7°F) in Hualien County, Taiwan. The weather is characterized by overcast days and moderate rainfall. A gloomy aura encircles the city as the sunshine hours are limited and relatively less. Weather in January »

Weather in February

February experiences a slight increase in temperature as compared to January. The month witnesses an upsurge in rainfall to a substantial 100mm (3.94"), marking it as a month with significantly high precipitation. Despite the increased rainfall, the city continues to present an intriguing blend of warmth during the day and chilly nights. Weather in February »

Weather in March

In contrast to the preceding month, March sees a reduction in rainfall while the mercury levels continue to rise gradually. The UV index reaches a peak of 11, indicating that the sun's radiation is strong and sun protection is essential during daytime activities. Weather in March »

Weather in April

April brings a marked increase in temperature, signaling the ushering in of summer in Hualien County. The number of sunshine hours begins to rise, indicating brighter and longer days. April is characterized by its temperate weather, offering pleasant experiences for tourists. Weather in April »

Weather in May

May notches up the intensity of heat to a high of 28.5°C (83.3°F) as summer arrives in full swing in Hualien County. There is a steep surge in rainfall, peaking at a substantial 195mm (7.68"), indicating the arrival of the rainy season. Weather in May »

Weather in June

June sustains the summer heat complemented by a further increase in rainfall. The county experiences its longest daylight hours, increasing the opportunity for sightseeing and other outdoor activities. Notwithstanding the humidity and frequent showers, the county's vibrancy is accentuated under the summer sky. Weather in June »

Weather in July

July experiences Hualien County's hottest temperatures, climbing to a high of 32°C (89.6°F). The days are long, warm, and drenched in sunshine. Simultaneously, the county wrestles with sporadic downpours but does not compromise the exhilaration of summer. Weather in July »

Weather in August

Slight changes in weather patterns occur in August; however, temperatures remain relatively high. The month witnesses the highest rainfall of the year, with a significant 261mm (10.28") of precipitation. Torrential rain interspersed with sunny spells becomes a common scene around Hualien County. Weather in August »

Weather in September

September marks the transition from summer to autumn, but the heat persists with temperatures hovering around 30.4°C (86.7°F). The rainfall returns to a descending slope but remains significant, nurturing the county's verdant landscapes. Weather in September »

Weather in October

October sees a noticeable drop in temperature, signaling the onset of autumn in Hualien County. Despite the change in season, rainfall maintains an elevated level, drenching the county with a high 367mm (14.45") of precipitation. Weather in October »

Weather in November

November brings a respite from the soaring heat and heavy rainfall as autumn takes center stage in Hualian County. A marked drop in rainfall to 171mm (6.73") is observed, paving the way for relatively dry days. The county radiates an autumnal charm with the deciduous trees showing off their colors. Weather in November »

Weather in December

December signifies the onset of winter in Hualien County with temperatures dropping further. The city experiences its lowest rainfall of the year, descending to a mere 68mm (2.68"). The landscapes transform, casting a serene, wintry look across the county. Weather in December »

Frequently asked questions

What is the coldest time of year in Hualien County?

The month of January, characterized by an average high of 21.1°C (70°F) and a low of 15.4°C (59.7°F), is recognized as the coldest in Hualien County.

How much does it rain in Hualien County?

Throughout the year, there are 214 rainfall days, and 2157mm (84.92") of precipitation is accumulated.

What month is the sea coldest in Hualien County?

The month with the coldest seawater in Hualien County, Taiwan, is January, with an average sea temperature of 23.5°C (74.3°F).

What are the months with the least sunshine in Hualien County?

January, February and December, with an average of 3h of sunshine, are months with the least sunshine in Hualien County, Taiwan.

What are the months with the highest UV index in Hualien County?

The months with the highest UV index in Hualien County, Taiwan, are April through August, with an average maximum UV index of 12.

When are the longest days in Hualien County?

The month with the longest days in Hualien County, Taiwan, is June, with an average of 13h and 36min of daylight.

What is the hottest time of year in Hualien County?

Hualien County sees the average highest temperatures during the months of July and August, peaking at 32°C (89.6°F).

What month has the most sunshine in Hualien County?

July has the most sunshine of the year in Hualien County, with an average of 8h of sunshine.

When is the sea warmest in Hualien County?

With an average sea temperature of 29.2°C (84.6°F), August is the month with the warmest seawater in Hualien County, Taiwan.

What is the wettest month in Hualien County?

October is the month with the most rainfall in Hualien County, Taiwan. Rain falls for 16 days and accumulates 367mm (14.45") of precipitation.

What is the driest month in Hualien County?

The month with the least rainfall in Hualien County, Taiwan, is December, when the rain falls for 18 days and typically collects 68mm (2.68") of precipitation.

What is the month with the shortest days in Hualien County?

December has the shortest days of the year in Hualien County, with an average of 10h and 42min of daylight.

Is there Daylight Saving Time (DST) in Hualien County?

Hualien County, Taiwan, does not observe Daylight Saving Time (DST). CST timezone is used throughout the entire year.

What is the month with the lowest UV index in Hualien County?

The month with the lowest UV index is December, with an average maximum UV index of 6.

Average temperature
Hualien County, Taiwan

Average temperature - Hualien County, Taiwan

The warmest months (with the highest average high temperature) are July and August (32°C).
The month with the lowest average high temperature is January (21.1°C).

The month with the highest average low temperature is July (25.4°C).
The coldest month (with the lowest average low temperature) is January (15.4°C).

Average rainfall
Hualien County, Taiwan

Average rainfall - Hualien County, Taiwan

The wettest month (with the highest rainfall) is October (367.4mm).
The driest month (with the least rainfall) is December (67.7mm).

Average rainfall days
Hualien County, Taiwan

Average rainfall days - Hualien County, Taiwan

The month with the highest number of rainy days is May (20 days).
The month with the least rainy days is July (15 days).

Average sea temperature
Hualien County, Taiwan

Average sea temperature - Hualien County, Taiwan

The best month for swimming (with the highest average sea temperature) is August (29.2°C).
The coldest month (with the lowest average sea temperature) is January (23.5°C).

Average daylight / Average sunshine
Hualien County, Taiwan

Average daylight / Average sunshine - Hualien County, Taiwan

The month with the longest days is June (Average daylight: 13h and 36min).
The month with the shortest days is December (Average daylight: 10h and 42min).

The month with the most sunshine is July (Average sunshine: 8h).
The months with the least sunshine are January, February and December (Average sunshine: 3h).

Average UV index
Hualien County, Taiwan

Average UV index - Hualien County, Taiwan

The months with the highest UV index are April, May, June, July and August (UV index 12).
The month with the lowest UV index is December (UV index 6).

Hualien County, Taiwan

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