December weather forecastIna, Japan
December
Weather in December
December, the first month of the winter in Ina, is also an icy month, with an average temperature varying between 3.1°C (37.6°F) and -4.7°C (23.5°F).Temperature
Onset of December comes with a temperature decline, the average high falling from a fresh 10.4°C (50.7°F) in November to an icy 3.1°C (37.6°F). An average low-temperature of -4.7°C (23.5°F) is recorded in the month of December.Humidity
In Ina, the average relative humidity in December is 76%.Rainfall
In Ina, during December, the rain falls for 9.2 days and regularly aggregates up to 50mm (1.97") of precipitation. In Ina, during the entire year, the rain falls for 186.6 days and collects up to 1159mm (45.63") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Ina, Japan, in December, during 7.3 snowfall days, 87mm (3.43") of snow is typically accumulated. Throughout the year, there are 32.3 snowfall days, and 404mm (15.91") of snow is accumulated.Daylight
The month with the shortest days in Ina is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:39 and sunset at 16:34. On the last day of December, in Ina, sunrise is at 06:58 and sunset at 16:44 JST.
Sunshine
The average sunshine in December in Ina is 6.4h.UV index
January through March, November and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Extended exposure to the sun should always be avoided by children, infants, and those with sensitive skin. It's recommended to limit sun exposure when its radiation is at its peak during midday. Your best bet for sun defense on the face, eyes, and neck is a hat with a wide brim. Mind this! Nearly twice the UV radiation from the Sun can be reflected by the snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ina, Japan
- Average high temperature in December: 3.1°C
The warmest month (with the highest average high temperature) is August (26.3°C).
The month with the lowest average high temperature is January (0.1°C).
- Average low temperature in December: -4.7°C
The month with the highest average low temperature is August (15.4°C).
The coldest month (with the lowest average low temperature) is January (-9.3°C).
Average pressure in December
Ina, Japan
- Average pressure in December: 1017.7mbar
The month with the highest atmospheric pressure is November (1019mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Ina, Japan
- Average wind speed in December: 8.7km/h
The windiest month (with the highest average wind speed) is March (8.8km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in December
Ina, Japan
- Average humidity in December: 76%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in December
Ina, Japan
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is July (236mm).
The driest month (with the least rainfall) is January (37mm).
Average rainfall days in December
Ina, Japan
- Average rainfall days in December: 9.2 days
The month with the highest number of rainy days is August (26.1 days).
The month with the least rainy days is January (8.3 days).
Average snowfall in December
Ina, Japan
- Average snowfall in December: 87mm
The month with the highest snowfall is January (115mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Ina, Japan
- Average snowfall days in December: 7.3 days
The month with the highest number of snowfall days is January (11.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Ina, 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 24min
The month with the most sunshine is May (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 6h and 6min).
Average sunshine days in December
Ina, Japan
- Average sunshine days in December: 16.1 days
The month with the most sunshine days is November (19.3 days).
The months with the least sunshine days are July and August (2.9 days).
Average UV index in December
Ina, Japan
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 2).
Average cloud cover in December
Ina, Japan
- Average cloud cover in December: 35
The month with the most cloud cover is July (Cloud cover 51).
The month with the least cloud cover is November (Cloud cover 30).
Average visibility in December
Ina, Japan
- Average visibility in December: 8km
The months with the highest visibility are March, April and May (9km).
The months with the lowest visibility are July, August and September (7km).





