December weather forecastOkuni, Japan
December
Weather in December
December, the first month of the winter in Okuni, is still a cool month, with an average temperature varying between 10.6°C (51.1°F) and 6.5°C (43.7°F).Temperature
The start of December signals a decrease in the average high-temperature, transitioning from a comfortable 16°C (60.8°F) in November to a fresh 10.6°C (51.1°F). Okuni sees a gentle drop from the daily peak temperature in December, with an average low settling at a chilly 6.5°C (43.7°F).Humidity
In Okuni, the average relative humidity in December is 73%.Rainfall
In Okuni, in December, it is raining for 14.7 days, with typically 68mm (2.68") of accumulated precipitation. Throughout the year, there are 168 rainfall days, and 1163mm (45.79") of precipitation is accumulated.Snowfall
January, February and December are months with snowfall. December is the month with the most snowfall. Snow falls for 1.8 days and accumulates 8mm (0.31") of snow.Daylight
The month with the shortest days in Okuni is December, with an average of 9h and 54min of daylight.On the first day of December in Okuni, sunrise is at 06:58 and sunset at 17:02. On the last day of the month, sunrise is at 07:16 and sunset at 17:12 JST.
Sunshine
In December, the average sunshine in Okuni is 5.3h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: In December, the maximum UV index of 2 suggests these recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Okuni, Japan
- Average high temperature in December: 10.6°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (8.7°C).
- Average low temperature in December: 6.5°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (4.3°C).
Average pressure in December
Okuni, Japan
- Average pressure in December: 1020.8mbar
The month with the highest atmospheric pressure is January (1021.3mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in December
Okuni, Japan
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is January (14.5km/h).
The calmest month (with the lowest average wind speed) is June (8km/h).
Average humidity in December
Okuni, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January, February and March (71%).
Average rainfall in December
Okuni, Japan
- Average rainfall in December: 68mm
The wettest month (with the highest rainfall) is July (213mm).
The driest month (with the least rainfall) is January (39mm).
Average rainfall days in December
Okuni, Japan
- Average rainfall days in December: 14.7 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is October (10.5 days).
Average snowfall in December
Okuni, Japan
- Average snowfall in December: 8mm
The month with the highest snowfall is December (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Okuni, Japan
- Average snowfall days in December: 1.8 days
The month with the highest number of snowfall days is January (3.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Okuni, Japan
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 5h and 0min).
Average sunshine days in December
Okuni, Japan
- Average sunshine days in December: 11.9 days
The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is July (9.3 days).
Average UV index in December
Okuni, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Okuni, Japan
- Average cloud cover in December: 40
The months with the most cloud cover are January and June (Cloud cover 43).
The months with the least cloud cover are August, October and November (Cloud cover 32).
Average visibility in December
Okuni, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).





