December weather forecastYonabaru, Japan
December
Weather in December
December, the first month of the winter in Yonabaru, is still a pleasant month, with an average temperature ranging between min 18.7°C (65.7°F) and max 20.6°C (69.1°F).Temperature
December brings a minor shift in the average high-temperature, adjusting from a warm 24°C (75.2°F) in November to an agreeable 20.6°C (69.1°F). Yonabaru's December nights observe a minor shift from the daytime temperatures, resulting in an average dip to a refreshing 18.7°C (65.7°F).Humidity
The average relative humidity in December in Yonabaru, Japan, is 73%.Rainfall
In Yonabaru, during December, the rain falls for 20.7 days and regularly aggregates up to 77mm (3.03") of precipitation. Throughout the year, there are 228 rainfall days, and 1405mm (55.31") of precipitation is accumulated.Daylight
December has the shortest days of the year in Yonabaru, with an average of 10h and 30min of daylight.On the first day of December in Yonabaru, sunrise is at 06:59 and sunset at 17:36. On the last day of the month, sunrise is at 07:16 and sunset at 17:47 JST.
Sunshine
The average sunshine in December in Yonabaru, Japan, is 4.4h.UV index
December is the month with the lowest UV index, with an average maximum UV index of 4. A UV Index reading of 3 to 5 represents a moderate threat to health from exposure to the Sun's UV radiation for average individuals.Note: The UV index of 4 during December leads to these advisories:
Ensure safety - Recommendations to avert sunburn are presented. When the Sun is at its strongest around midday, find shade and limit exposure. Employ a hat with a wide brim for robust protection, cutting UV exposure by half.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Yonabaru, Japan
- Average high temperature in December: 20.6°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (19°C).
- Average low temperature in December: 18.7°C
The month with the highest average low temperature is August (28.3°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in December
Yonabaru, Japan
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in December
Yonabaru, Japan
- Average wind speed in December: 27.9km/h
The windiest month (with the highest average wind speed) is December (27.9km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).
Average humidity in December
Yonabaru, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).
Average rainfall in December
Yonabaru, Japan
- Average rainfall in December: 77mm
The wettest month (with the highest rainfall) is June (207mm).
The driest month (with the least rainfall) is February (58mm).
Average rainfall days in December
Yonabaru, Japan
- Average rainfall days in December: 20.7 days
The months with the highest number of rainy days are January and June (21.5 days).
The month with the least rainy days is April (16.4 days).
Average daylight in December /
Average sunshine in December
Yonabaru, Japan
- Average daylight in December: 10h and 30min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Yonabaru, Japan
- Average sunshine days in December: 6.4 days
The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is January (6 days).
Average UV index in December
Yonabaru, Japan
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Yonabaru, Japan
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Yonabaru, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
