December weather forecastYaotsu, Japan
December
Weather in December
The first month of the winter, December, is also a frosty month in Yaotsu, Japan, with temperature in the range of an average low of 1.5°C (34.7°F) and an average high of 8.7°C (47.7°F).Temperature
Yaotsu's progression into December includes a drop in the average high-temperature, from a refreshing 14.9°C (58.8°F) in November to a chilly 8.7°C (47.7°F). An average low-temperature of 1.5°C (34.7°F) marks the nights throughout December.Humidity
In December, the average relative humidity is 76%.Rainfall
In Yaotsu, in December, during 14 rainfall days, 59mm (2.32") of precipitation is typically accumulated. In Yaotsu, during the entire year, the rain falls for 145.5 days and collects up to 996mm (39.21") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 4.2 snowfall days, it receives 36mm (1.42") of snow. In Yaotsu, during the entire year, snow falls for 16.8 days and aggregates up to 130mm (5.12") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:42 and sunset at 16:38. On the last day of December, in Yaotsu, sunrise is at 07:00 and sunset at 16:48 JST.
Sunshine
The average sunshine in December is 6h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears. 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
Yaotsu, Japan
- Average high temperature in December: 8.7°C
The warmest month (with the highest average high temperature) is August (31.7°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 1.5°C
The month with the highest average low temperature is August (22.1°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).
Average pressure in December
Yaotsu, Japan
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in December
Yaotsu, Japan
- Average wind speed in December: 7.3km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest months (with the lowest average wind speed) are July and August (6.2km/h).
Average humidity in December
Yaotsu, Japan
- Average humidity in December: 76%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Yaotsu, Japan
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is July (138mm).
The driest month (with the least rainfall) is January (42mm).
Average rainfall days in December
Yaotsu, Japan
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is March (14.7 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
Yaotsu, Japan
- Average snowfall in December: 36mm
The month with the highest snowfall is January (57mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Yaotsu, Japan
- Average snowfall days in December: 4.2 days
The month with the highest number of snowfall days is January (6.8 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
Yaotsu, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in December
Yaotsu, Japan
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is August (19.3 days).
The month with the least sunshine days is December (12.4 days).
Average UV index in December
Yaotsu, 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, February and December (UV index 2).
Average cloud cover in December
Yaotsu, Japan
- Average cloud cover in December: 37
The month with the most cloud cover is July (Cloud cover 46).
The month with the least cloud cover is November (Cloud cover 31).
Average visibility in December
Yaotsu, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).
