December weather forecastImabetsu, Japan
December
Weather in December
December, the first month of the winter in Imabetsu, is also an icy month, with an average temperature fluctuating between -1.1°C (30°F) and 2.7°C (36.9°F).Temperature
Onset of December comes with a temperature decline, the average high falling from a chilly 9.2°C (48.6°F) in November to an icy 2.7°C (36.9°F). During December's nights, Imabetsu notes a minor temperature decline, reaching an average of -1.1°C (30°F).Humidity
The average relative humidity in December is 81%.Rainfall
In Imabetsu, in December, it is raining for 9.3 days, with typically 78mm (3.07") of accumulated precipitation. Throughout the year, in Imabetsu, there are 149 rainfall days, and 704mm (27.72") of precipitation is accumulated.Snowfall
January through April, November and December are months with snowfall. December is the month with the most snowfall in Imabetsu. Snow falls for 18.5 days and accumulates 326mm (12.83") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of December, sunrise is at 06:44 and sunset at 16:10. On the last day of the month, sunrise is at 07:03 and sunset at 16:18 JST.
Sunshine
In Imabetsu, the average sunshine in December is 2.3h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV radiation for average individuals.Note: A typical high UV index of 1 in December suggests the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Around midday, solar radiation is most harmful; hence, exposure should be limited. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Bear in mind! The Sun's UV radiation can nearly double in intensity due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Imabetsu, Japan
- Average high temperature in December: 2.7°C
The warmest month (with the highest average high temperature) is August (26.5°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -1.1°C
The month with the highest average low temperature is August (19.1°C).
The coldest month (with the lowest average low temperature) is February (-5°C).
Average pressure in December
Imabetsu, Japan
- Average pressure in December: 1014.8mbar
The month with the highest atmospheric pressure is November (1017.5mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in December
Imabetsu, Japan
- Average wind speed in December: 18.5km/h
The windiest month (with the highest average wind speed) is December (18.5km/h).
The calmest month (with the lowest average wind speed) is July (9.7km/h).
Average humidity in December
Imabetsu, Japan
- Average humidity in December: 81%
The months with the highest relative humidity are January, February and July (86%).
The month with the lowest relative humidity is April (74%).
Average rainfall in December
Imabetsu, Japan
- Average rainfall in December: 78mm
The wettest month (with the highest rainfall) is July (88mm).
The driest month (with the least rainfall) is May (37mm).
Average rainfall days in December
Imabetsu, Japan
- Average rainfall days in December: 9.3 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is January (5.2 days).
Average snowfall in December
Imabetsu, Japan
- Average snowfall in December: 326mm
The month with the highest snowfall is December (326mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Imabetsu, Japan
- Average snowfall days in December: 18.5 days
The month with the highest number of snowfall days is January (23.8 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
Imabetsu, Japan
- Average daylight in December: 9h and 18min
The month with the longest days is June (Average daylight: 15h and 6min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 2h and 18min
The month with the most sunshine is August (Average sunshine: 9h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 36min).
Average sunshine days in December
Imabetsu, Japan
- Average sunshine days in December: 4.7 days
The month with the most sunshine days is May (17.4 days).
The month with the least sunshine days is January (4.3 days).
Average UV index in December
Imabetsu, Japan
- Average UV index in December: 1
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Imabetsu, Japan
- Average cloud cover in December: 78
The month with the most cloud cover is January (Cloud cover 84).
The month with the least cloud cover is September (Cloud cover 39).
Average visibility in December
Imabetsu, Japan
- Average visibility in December: 8km
The month with the highest visibility is October (10km).
The months with the lowest visibility are January, February, June, July, August and December (8km).





