December weather forecastYonaguni, Japan

December

Weather in December

The first month of the winter, December, is also an agreeable month in Yonaguni, Japan, with an average temperature ranging between max 21.9°C (71.4°F) and min 17.9°C (64.2°F).

Temperature

The onset of December results in a small decrease in the average high-temperature, moderately receding from a warm 24.9°C (76.8°F) in November to an agreeable 21.9°C (71.4°F). Yonaguni observes a slightly reduced average nighttime temperature of 17.9°C (64.2°F) during December.

Humidity

With an average relative humidity of 72%, December is the least humid month.

Rainfall

In Yonaguni, in December, 180mm (7.09") of precipitation is typically accumulated. During the entire year, Yonaguni aggregates up to 2353mm (92.64") of precipitation.

Sea temperature

In Yonaguni, the average seawater temperature in December is 25.1°C (77.2°F).
Note: For swimming, diving, and enjoying other water activities, the range of 25°C (77°F) to 29°C (84.2°F) in water temperature is considered ideal, offering pleasure for extended periods without discomfort.

Daylight

With an average of 10h and 42min of daylight, December has the shortest days of the year in Yonaguni.
On the first day of the month, sunrise is at 07:15 and sunset at 17:59. On the last day of December, sunrise is at 07:31 and sunset at 18:10 JST.

Sunshine

In December, the average sunshine is 2.1h.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

In December, in Yonaguni, the average high-temperature is 21.9°C (71.4°F), and the average low-temperature is 17.9°C (64.2°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in October is evaluated at 30°C (86°F).

With an average relative humidity of 72%, December is the least humid month in Yonaguni.

In Yonaguni, Japan, the average relative humidity in December is 72%.

In Yonaguni, in December, 180mm (7.09") of precipitation is typically accumulated.

In Yonaguni, in December, the average water temperature is 25.1°C (77.2°F). Water temperature between 25°C (77°F) and 29°C (84.2°F) is regarded as very warm and enjoyable by all. With these temperatures, water activities are pleasurable, without feeling uncomfortable for prolonged periods.

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

In Yonaguni, the average day length in December is 10h and 39min.

On the first day of December, sunrise is at 07:15 and sunset at 17:59. On the last day of the month, sunrise is at 07:31 and sunset at 18:10 JST.

In Yonaguni, Japan, the average sunshine duration in December is 2.1h.

Today

Tomorrow

Long-term

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

Nov

December

Jan

Average high temperature

24.9°C

21.9°C

20.5°C

Average low temperature

Average humidity

Average rainfall

Average sea temperature

Average daylight

Average sunshine

Average temperature in December
Yonaguni, Japan

Average high temperature in December: 21.9°C

The warmest month (with the highest average high temperature) is July (31.4°C).
The month with the lowest average high temperature is January (20.5°C).

Average low temperature in December: 17.9°C

The month with the highest average low temperature is July (26.6°C).
The coldest month (with the lowest average low temperature) is January (16.4°C).

Average humidity in December
Yonaguni, Japan

Average humidity in December: 72%

The month with the highest relative humidity is June (83%).
The month with the lowest relative humidity is December (72%).

Average rainfall in December
Yonaguni, Japan

Average rainfall in December: 179.7mm

The wettest month (with the highest rainfall) is September (293.2mm).
The driest month (with the least rainfall) is July (138.5mm).

Average sea temperature in December
Yonaguni, Japan

Average sea temperature in December: 25.1°C

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 March (23.8°C).

Average daylight in December /
Average sunshine in December
Yonaguni, Japan

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: 2h and 6min

The month with the most sunshine is July (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).