December weather forecastIzakicho, Japan
December weather forecast for Izakicho, Japan: The first month of the winter, December, is still a cool month in Izakicho, Japan, with an average temperature varying between 10.8°C (51.4°F) and 7.3°C (45.1°F). In Izakicho, during December, the rain falls for 18.5 days and regularly aggregates up to 62mm (2.44") of precipitation.
December
Weather in December
The first month of the winter, December, is still a cool month in Izakicho, Japan, with an average temperature varying between 10.8°C (51.4°F) and 7.3°C (45.1°F).Temperature
December brings a decrease in the average high-temperature, falling from November's comfortable 16.3°C (61.3°F) to a cool 10.8°C (51.4°F). Izakicho nights in December witness a mild cool down to an average temperature of 7.3°C (45.1°F).Humidity
The average relative humidity in December is 70%.Rainfall
In Izakicho, during December, the rain falls for 18.5 days and regularly aggregates up to 62mm (2.44") of precipitation. Throughout the year, there are 176.5 rainfall days, and 1039mm (40.91") of precipitation is accumulated.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.3 snowfall days, it receives 5mm (0.2") of snow. In Izakicho, during the entire year, snow falls for 6.4 days and aggregates up to 20mm (0.79") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 07:03 and sunset at 17:07. On the last day of the month, sunrise is at 07:21 and sunset at 17:17 JST.
Sunshine
The average sunshine in December is 4.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for average individuals.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Babies, children, and individuals with sensitive skin should always have protection against extended sun exposure. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Limit sun-induced ocular harm with sunglasses that feature UVA and UVB filtration. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Frequently asked questions
Average temperature in December
Izakicho, Japan
- Average high temperature in December: 10.8°C
The warmest month (with the highest average high temperature) is August (29.7°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 7.3°C
The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (5.3°C).
Average pressure in December
Izakicho, Japan
- Average pressure in December: 1021.3mbar
The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed in December
Izakicho, Japan
- Average wind speed in December: 17.6km/h
The windiest month (with the highest average wind speed) is December (17.6km/h).
The calmest month (with the lowest average wind speed) is June (10.8km/h).
Average humidity in December
Izakicho, Japan
- Average humidity in December: 70%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January, February and March (69%).
Average rainfall in December
Izakicho, Japan
- Average rainfall in December: 62mm
The wettest month (with the highest rainfall) is July (209mm).
The driest month (with the least rainfall) is January (44mm).
Average rainfall days in December
Izakicho, Japan
- Average rainfall days in December: 18.5 days
The month with the highest number of rainy days is July (20.7 days).
The month with the least rainy days is May (10.7 days).
Average snowfall in December
Izakicho, Japan
- Average snowfall in December: 5mm
The month with the highest snowfall is January (11mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Izakicho, Japan
- Average snowfall days in December: 1.3 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
Izakicho, 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: 4h 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: 4h and 12min).
Average sunshine days in December
Izakicho, Japan
- Average sunshine days in December: 8.9 days
The month with the most sunshine days is May (18.8 days).
The month with the least sunshine days is July (7.3 days).
Average UV index in December
Izakicho, 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
Izakicho, Japan
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Izakicho, Japan
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are January, May, June and July (9km).





