December weather forecastOi, Japan
December
Weather in December
The first month of the winter, December, is still a cool month in Oi, Japan, with an average temperature fluctuating between 10.5°C (50.9°F) and 4.3°C (39.7°F).Temperature
Oi's progression into December includes a drop in the average high-temperature, from a refreshing 15.8°C (60.4°F) in November to a cool 10.5°C (50.9°F). Oi witnesses an average low-temperature of 4.3°C (39.7°F) throughout the month of December.Humidity
In Oi, the average relative humidity in December is 61%.Rainfall
The month with the least rainfall in Oi, Japan, is December, when the rain falls for 5.8 days and typically collects 21mm (0.83") of precipitation.Snowfall
April through October and December are months without snowfall.Daylight
December has the shortest days of the year in Oi, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:32 and sunset at 16:28. On the last day of December, in Oi, Japan, sunrise is at 06:50 and sunset at 16:37 JST.
Sunshine
In December, the average sunshine is 6.5h.UV index
In Oi, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health risk from exposure to the Sun's UV radiation for the ordinary person.Note: A maximum high UV index of 3 in December translates into the following recommendations:
Put precautions into practice - Guidance to elude sunburn is provided. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. On days when the sun blazes, arm yourself with sunglasses that block UVA and UVB radiation.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Oi, Japan
- Average high temperature in December: 10.5°C
The warmest month (with the highest average high temperature) is August (32°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in December: 4.3°C
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in December
Oi, Japan
- Average pressure in December: 1016.6mbar
The month with the highest atmospheric pressure is November (1018.4mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Oi, Japan
- Average wind speed in December: 10.3km/h
The windiest month (with the highest average wind speed) is April (11.5km/h).
The calmest month (with the lowest average wind speed) is July (8.7km/h).
Average humidity in December
Oi, Japan
- Average humidity in December: 61%
The months with the highest relative humidity are June and July (73%).
The month with the lowest relative humidity is January (58%).
Average rainfall in December
Oi, Japan
- Average rainfall in December: 21mm
The wettest month (with the highest rainfall) is October (102mm).
The driest month (with the least rainfall) is December (21mm).
Average rainfall days in December
Oi, Japan
- Average rainfall days in December: 5.8 days
The month with the highest number of rainy days is June (18.5 days).
The month with the least rainy days is January (4.8 days).
Average snowfall in December
Oi, Japan
- Average snowfall in December: 0mm
The month with the highest snowfall is February (39mm).
The months with the least snowfall are April, May, June, July, August, September, October and December (0mm).
Average snowfall days in December
Oi, Japan
- Average snowfall days in December: 0 days
The month with the highest number of snowfall days is February (2.1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and December (0 days).
Average daylight in December /
Average sunshine in December
Oi, Japan
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 6h and 30min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The months with the least sunshine are February and November (Average sunshine: 6h and 12min).
Average sunshine days in December
Oi, Japan
- Average sunshine days in December: 24.5 days
The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is June (9.1 days).
Average UV index in December
Oi, Japan
- Average UV index in December: 3
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).
Average cloud cover in December
Oi, Japan
- Average cloud cover in December: 28
The month with the most cloud cover is June (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 26).
Average visibility in December
Oi, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, November and December (10km).
The months with the lowest visibility are June, July, August, September and October (9km).
