Climate and monthly weather forecast
Hsinchu City, Taiwan

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The climate of Hsinchu City

Hsinchu City, situated in Taiwan, benefits from a predominant Humid subtropical climate, according to the Köppen climate classification. This type of climate presents no dry season, and mild, moist conditions prevail. As a glance at the year-round weather parameters illustrates, Hsinchu's weather varies moderately in temperature, humidity, rain, and other elements.

The average high temperature throughout the year hovers between 18.9°C (66°F) to a peak of 32.9°C (91.2°F). It is worth noting that the heat tops in July, August, and September with above 30°C (86°F) high temperatures. Correspondingly, the average low temperatures fluctuate from 12.9°C (55.2°F) to 25.7°C (78.3°F), with the coldest month in January and the warmest in July.

In terms of relative humidity, the values range from 75.1% to 83.1%, suggesting a consistently humid environment all year round. Rainfall in Hsinchu City extends from a low of 36mm (1.42") in November to a high of 266mm (10.47") in June. Consequently, the monthly average number of rainy days varies between 4.6 days and 14.1 days.

The sea temperature also presents deviations, moving from a low of 18.4°C (65.1°F) in February to a high of 28.8°C (83.8°F) in August. There's a distinct variation in daylight hours too, ranging from 10.6 hours to 13.7 hours, while the average sunshine hours range between 2.7 hours to 7.4 hours a day.

The best time to visit Hsinchu City

The optimal time to visit Hsinchu City aligns with the warm temperatures and lower rainfall levels. Accordingly, October sees the humidity become less stifling, with high temperatures starting to decrease from their peak of 31°C (87.8°F) to a more pleasant 27.8°C (82°F). The rainfall also reduces significantly to 59mm (2.32") over 5.4 days. On the other account, the sea temperature remains comfortably warm at 25.9°C (78.6°F).

The worst time to visit Hsinchu City

The period when Hsinchu City presents less favorable conditions is around mid-year, especially June. This is when the city experiences high rainfall of accumulated precipitation. Throughout the year, there are 116.6 rainfall days, and 1639mm (64.53") of precipitation is accumulated. In Hsinchu City, in January, the average water temperature is 19.4°C (66.9°F).
Note: For most individuals, swimming in 19.4°C (66.9°F) is not enjoyable. As the water temperature decreases from 21°C (69.8°F) to 15°C (59°F), breathing control becomes increasingly difficult. In January, the average length of the day is 10h and 47min.
On the first day of January, sunrise is at 06:40 and sunset at 17:18. On the last day of the month, sunrise is at 06:39 and sunset at 17:39 CST. In Hsinchu City, the average sunshine in January is 3.2h.

Weather in February

The climate change between January and February in Hsinchu City is relatively insignificant, usually maintaining the temperate environment. Nevertheless, an increase in rainfall is apparent, with precipitation volumes soaring to an average high of 191mm (7.52") versus the prior month. Weather in February »

Weather in March

The transition from February to March in Hsinchu City heralds a slightly warmer season with no substantial alternation in the humidity levels. However, the length of daylight appreciably extends, indicating the onset of spring. Engaging in outdoor pursuits during March reveals the charm of Taiwan’s spring season, with its unique mixture of a moist atmosphere and longer sunny periods. Weather in March »

Weather in April

April brings about a marked change in temperature, with Hsinchu City's climate shifting towards warmer conditions as spring advances. The noticeable rise in air temperature culminates in a comfortable warmth while not reaching the extreme highs indicative of summer. Weather in April »

Weather in May

The city of Hsinchu approaches its warmest months as May arrives, signifying the start of the summer season. The temperatures rise to a higher 28.6°C (83.5°F), with humidity levels slightly less than in April. This period is characterized by an abundance of afternoon showers and thunderstorms, which bring about periodic albeit crucial respite from the heat. Weather in May »

Weather in June

In June, Hsinchu City finds itself in the heart of Taiwan’s summer, with temperatures spiking to a high of 31°C (87.8°F) on average, marking it as the first month when the city's temperature surpasses a tropical heat level. The fluctuation pattern triggers more daylight hours, thus presenting an ideal opportunity to partake in outdoor adventures. Weather in June »

Weather in July

Sustaining its summer peak, July remains exceptionally warm in Hsinchu City. With the maximum sea temperature reaching 28.3°C (82.9°F), it presents perfect conditions for beach activities and water sports. Occasional rainfall provides a welcome break from the humidity and summer heat wave. Weather in July »

Weather in August

Hsinchu City experiences its highest temperatures in August with an average high temperature reaching 32.6°C (90.7°F) during the day. The balmy climate persists in the city despite an increase in rainfall compared to July. However, the weather conditions blend beautifully with the city's summer rhythm, allowing you to experience Taiwan in all its humid vibrancy. August's arrival brings an average high-temperature of a still tropical 32.6°C (90.7°F), slightly deviating from July's 32.9°C (91.2°F). Weather in August »

Weather in September

September marks the onset of the gradual cooling off in Hsinchu City, with temperatures starting to decline from the summer highs. The days still remain significantly warm and humid, mirrored by a corresponding decline in the rainfall. Weather in September »

Weather in October

October presents an exceptional shift towards cooler temperatures in Hsinchu City, a marked departure from the preceding summer heat. The city receives the least rainfall in October, comparative to any other month in the year. With autumn now in full swing, Hsinchu City garners appeal to the senses with its cooler climate, vibrant landscapes, and decreased precipitation. October sees a slight reduction in average high-temperature, with a shift from a hot 31°C (87.8°F) in September to a warm 27.8°C (82°F). Weather in October »

Weather in November

November in Hsinchu City sustains the trend towards cooler temperatures with a significant drop compared to the preceding months. The weather takes a dominant step towards winter preparation, with nighttime temperatures pleasant and comfortable. Weather in November »

Weather in December

December is the start of wintertime in Hsinchu City. Temperatures fall to a cooler 21.2°C (70.2°F) during the daytime, making it a refreshing break from the summer heat. Despite the winter season's arrival, the coastal city experiences moderate humidity levels, ensuring the weather remains pleasant throughout. Weather in December »

Frequently asked questions

What are the coldest months?

The coldest temperatures occur during January, when averages reach a peak of 18.9°C (66°F) and a low of 12.9°C (55.2°F).

How many days does it rain?

In Hsinchu City, during the entire year, the rain falls for 116.6 days and collects up to 1639mm (64.53") of precipitation.

What is the month with the coldest sea water?

The month with the coldest seawater is February, with an average sea temperature of 18.4°C (65.1°F).

What is the most humid month?

With an average relative humidity of 83.1%, March is the most humid month in Hsinchu City.

What is the month with the least sunshine?

March has the least sunshine of the year, with an average of 2.7h of sunshine.

What is the rainiest month in Hsinchu City?

June is the month with the most rainfall. Rain falls for 10.2 days and accumulates 266mm (10.47") of precipitation.

When are the longest days?

The month with the longest days is June, with an average of 13h and 42min of daylight.

What is the hottest time of year?

July is the month when Hsinchu City experiences its warmest temperatures, averaging a high of 32.9°C (91.2°F) and a low of 25.7°C (78.3°F).

What month has the most sunshine?

With an average of 7.4h of sunshine, July has the most sunshine of the year.

What month is the sea warmest?

August is the month with the warmest seawater, with an average sea temperature of 28.8°C (83.8°F).

What is the least humid month?

September is the least humid month, with an average relative humidity of 75.1%.

What is the driest month?

The month with the least rainfall is November, when the rain falls for 4.6 days and typically collects 36mm (1.42") of precipitation.

What is the month with the shortest days?

December has the shortest days of the year, with an average of 10h and 36min of daylight.

Is there Daylight Saving Time (DST)?

Hsinchu City does not observe Daylight Saving Time (DST). CST timezone is used over the entire year.

Average temperature
Hsinchu City, Taiwan

Average temperature - Hsinchu City, Taiwan

The warmest month (with the highest average high temperature) is July (32.9°C).
The month with the lowest average high temperature is January (18.9°C).

The month with the highest average low temperature is July (25.7°C).
The coldest month (with the lowest average low temperature) is January (12.9°C).

Average humidity
Hsinchu City, Taiwan

Average humidity - Hsinchu City, Taiwan

The month with the highest relative humidity is March (83.1%).
The month with the lowest relative humidity is September (75.1%).

Average rainfall
Hsinchu City, Taiwan

Average rainfall - Hsinchu City, Taiwan

The wettest month (with the highest rainfall) is June (266.1mm).
The driest month (with the least rainfall) is November (35.6mm).

Average rainfall days
Hsinchu City, Taiwan

Average rainfall days - Hsinchu City, Taiwan

The month with the highest number of rainy days is March (14.1 days).
The month with the least rainy days is November (4.6 days).

Average sea temperature
Hsinchu City, Taiwan

Average sea temperature - Hsinchu City, Taiwan

The best month for swimming (with the highest average sea temperature) is August (28.8°C).
The coldest month (with the lowest average sea temperature) is February (18.4°C).

Average daylight / Average sunshine
Hsinchu City, Taiwan

Average daylight / Average sunshine - Hsinchu City, Taiwan

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

The month with the most sunshine is July (Average sunshine: 7h and 24min).
The month with the least sunshine is March (Average sunshine: 2h and 42min).

Hsinchu City, Taiwan

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