December weather forecastObama, Japan
December weather for Obama, Japan: The first month of the winter, December, is also a frosty month in Obama, Japan, with temperature in the range of an average high of 7.8°C (46°F) and an average low of 3.5°C (38.3°F). In Obama, Japan, during December, the rain falls for 24.6 days and regularly aggregates up to 117mm (4.61") of precipitation.
December
Weather in December
The first month of the winter, December, is also a frosty month in Obama, Japan, with temperature in the range of an average high of 7.8°C (46°F) and an average low of 3.5°C (38.3°F).Temperature
December comes with a drop in the average high-temperature, falling from November's refreshing 13.7°C (56.7°F) to a chilly 7.8°C (46°F). Obama records a consistent average nighttime temperature of 3.5°C (38.3°F) in December, slightly lower than the daytime high.Humidity
In December, the average relative humidity is 81%.Rainfall
In Obama, in December, during 24.6 rainfall days, 117mm (4.61") of precipitation is typically accumulated. In Obama, during the entire year, the rain falls for 223.2 days and collects up to 1458mm (57.4") of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Obama. Throughout December, in the average 7.2 snowfall days, it receives 125mm (4.92") of snow. Throughout the year, in Obama, Japan, there are 36.2 snowfall days, and 630mm (24.8") of snow is accumulated.Sea temperature
In Obama, Japan, the average seawater temperature in December is 16.3°C (61.3°F).Note: For most, swimming in 16.3°C (61.3°F) is not a pleasant experience. As the temperature falls from 21°C (69.8°F) to 15°C (59°F), controlling one's breathing becomes more difficult.
Daylight
With an average of 9h and 48min of daylight, December has the shortest days of the year in Obama.On the first day of December, sunrise is at 06:47 and sunset at 16:44. On the last day of the month, sunrise is at 07:05 and sunset at 16:54 JST.
Sunshine
In December, the average sunshine is 3.5h.UV index
The month with the lowest UV index in Obama is December, with an average maximum UV index of 1. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: During December, 1 as the daily maximum UV index converts into the following advice:
Although prolonged sun exposure does not typically bother most people, children, babies, and those with sensitive skin should always have protection. To guard against the harmful effects of the Sun, minimize exposure during midday. Stay sun-safe with clothing that is both closely woven and worn loosely. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Obama, Japan
- Average high temperature in December: 7.8°C
The warmest month (with the highest average high temperature) is August (29°C).
The month with the lowest average high temperature is January (5.1°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is August (22.6°C).
The coldest month (with the lowest average low temperature) is February (0.7°C).
Average pressure in December
Obama, Japan
- Average pressure in December: 1018.9mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.9mbar).
Average wind speed in December
Obama, Japan
- Average wind speed in December: 13.5km/h
The windiest month (with the highest average wind speed) is January (13.6km/h).
The calmest months (with the lowest average wind speed) are July and August (7.7km/h).
Average humidity in December
Obama, Japan
- Average humidity in December: 81%
The month with the highest relative humidity is July (86%).
The month with the lowest relative humidity is May (77%).
Average rainfall in December
Obama, Japan
- Average rainfall in December: 117mm
The wettest month (with the highest rainfall) is July (216mm).
The driest month (with the least rainfall) is November (78mm).
Average rainfall days in December
Obama, Japan
- Average rainfall days in December: 24.6 days
The month with the highest number of rainy days is December (24.6 days).
The month with the least rainy days is May (15.2 days).
Average snowfall in December
Obama, Japan
- Average snowfall in December: 125mm
The month with the highest snowfall is January (249mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Obama, Japan
- Average snowfall days in December: 7.2 days
The month with the highest number of snowfall days is January (13 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Obama, Japan
- Average sea temperature in December: 16.3°C
The best month for swimming (with the highest average sea temperature) is August (27.8°C).
The coldest month (with the lowest average sea temperature) is March (12°C).
Average daylight in December /
Average sunshine in December
Obama, 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: 3h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 2h and 54min).
Average sunshine days in December
Obama, Japan
- Average sunshine days in December: 3.7 days
The month with the most sunshine days is May (13.7 days).
The month with the least sunshine days is January (3.2 days).
Average UV index in December
Obama, Japan
- Average UV index in December: 1
The months with the highest UV index are June, July and August (UV index 6).
The month with the lowest UV index is December (UV index 1).
Average cloud cover in December
Obama, Japan
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 70).
The month with the least cloud cover is August (Cloud cover 36).
Average visibility in December
Obama, Japan
- Average visibility in December: 9km
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (9km).
The months with the lowest visibility are January and July (8km).
