December weather forecastPenghu, Taiwan

December

Weather in December

December rounds out the year with the coolest temperatures and least amount of rainfall, providing a crisp contrast to the island's typical climate. December receives the least rain throughout the year with a modest average of 20mm (0.79") over 11 days. The hours of daylight and sunshine decline, signifying the arrival of winter. Despite the decrease in air temperature, the sea remains reasonably warm. As December moves to January, an increment in temperatures along with extended daylight hours can be anticipated.

Temperature

December brings a slight decrease in temperature, down from a moderately hot 26°C (78.8°F) in November to an agreeable 22°C (71.6°F). Penghu records a steady low-temperature average of 14°C (57.2°F) during December.

Rainfall

The month with the least rainfall is December, when the rain falls for 11 days and typically collects 20mm (0.79") of precipitation.

Sea temperature

In Penghu, the average seawater temperature in December is 22°C (71.6°F).
Note: For someone sensitive to cold, swimming in 22°C (71.6°F) waters can be invigorating, especially when considering elements like sunshine, wind, and current air temperature. (As a reference, Olympic swimming waters are kept between 25°C (77°F) and 28°C (82.4°F).)

Daylight

With an average of 10h and 42min of daylight, December has the shortest days of the year.
On the first day of December, sunrise is at 06:27 and sunset at 17:14. On the last day of the month, sunrise is at 06:43 and sunset at 17:26 CST.

Sunshine

In Penghu, the average sunshine in December is 5h.

UV index

With an average maximum UV index of 6, December is the month with the lowest UV index. A UV Index of 6 to 7 symbolizes a high health vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A daily maximum UV index of 6 in December translates into the following instructions:
Eschew overexposure. Those with light skin may suffer burns in fewer than 20 minutes. Stay out of direct sunlight and seek shade between 10 a.m. and 4 p.m., when UV radiation is strongest, but remember that shade devices may not offer full sun protection. To mitigate harm from sun exposure, pick sunglasses offering UVA and UVB defense. Stay aware! UV radiation is magnified when reflecting off sand and water.

Updated: Aug 24, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

December temperatures vary between a high-temperature of 22°C (71.6°F) and a low-temperature of 14°C (57.2°F).

December is the month with the least rainfall. Rain falls for 11 days and accumulates 20mm (0.79") of precipitation.

In December, the rain falls for 11 days. Throughout December, 20mm (0.79") of precipitation is accumulated.

In Penghu, the average seawater temperature in December is 22°C (71.6°F). A person's cold intolerance, with sunshine, wind, and air temperature, are essential factors for enjoying swimming in 22°C (71.6°F) water.

With an average of 10h and 42min of daylight, December has the shortest days of the year.

In Penghu, the average day length in December is 10h and 43min.

On the first day of December, sunrise is at 06:27 and sunset at 17:14. On the last day of the month, sunrise is at 06:43 and sunset at 17:26 CST.

In December, the average sunshine duration is 5h.

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

The average daily maximum UV index in December is 6. A UV Index reading of 6 to 7 represents a high hazard to health from unprotected exposure to UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

26°C

22°C

20°C

Average low temperature

Average rainfall

Average rainfall days

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in December
Penghu, Taiwan

Average high temperature in December: 22°C

The warmest months (with the highest average high temperature) are July and August (32°C).
The months with the lowest average high temperature are January and February (20°C).

Average low temperature in December: 14°C

The months with the highest average low temperature are July and August (25°C).
The coldest months (with the lowest average low temperature) are January and February (12°C).

Average rainfall in December
Penghu, Taiwan

Average rainfall in December: 20mm

The wettest month (with the highest rainfall) is August (314mm).
The driest month (with the least rainfall) is December (20mm).

Average rainfall days in December
Penghu, Taiwan

Average rainfall days in December: 11 days

The month with the highest number of rainy days is June (17 days).
The month with the least rainy days is October (10 days).

Average sea temperature in December
Penghu, Taiwan

Average sea temperature in December: 22°C

The best months for swimming (with the highest average sea temperature) are July, August and September (28°C).
The coldest months (with the lowest average sea temperature) are January and February (20°C).

Average daylight in December /
Average sunshine in December
Penghu, Taiwan

Average daylight in December: 10h and 42min

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).

Average sunshine in December: 5h

The month with the most sunshine is July (Average sunshine: 8h).
The months with the least sunshine are February and March (Average sunshine: 4h).

Average UV index in December
Penghu, Taiwan

Average UV index in December: 6

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).