Weather in December
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.Frequently asked questions
What are December temperatures in Yonaguni?
What is the least humid month in Yonaguni?
What is the average humidity in December in Yonaguni?
How much does it rain in Yonaguni in December?
What is the sea water temperature in December in Yonaguni?
What is the month with the shortest days in Yonaguni?
How many hours of daylight does Yonaguni have in December?
When is the sunrise / sunset in December in Yonaguni?
How many hours of sunshine does Yonaguni have in December?
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 4min
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 1min
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).
Yonaguni, Japan
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