Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
The onset of December brings a small change in high-temperatures, falling from a refreshing 14.7°C (58.5°F) in November to a chilly 9°C (48.2°F). During December, the temperature tends to dip to an average of 2.5°C (36.5°F) at night.Humidity
The average relative humidity in December is 79%.Rainfall
In December, in Shimobuchi, the rain falls for 15.2 days. Throughout December, 52mm (2.05") of precipitation is accumulated. Throughout the year, there are 193.3 rainfall days, and 1025mm (40.35") of precipitation is accumulated.Snowfall
Months with snowfall in Shimobuchi are January through April and December. December is the first month it typically snows. Throughout December, in the average 3.6 snowfall days, it receives 27mm (1.06") of snow. Throughout the year, in Shimobuchi, there are 20.6 snowfall days, and 145mm (5.71") of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Shimobuchi.On the first day of the month, sunrise is at 06:45 and sunset at 16:46. On the last day of December, in Shimobuchi, sunrise is at 07:02 and sunset at 16:56 JST.
Sunshine
The average sunshine in December in Shimobuchi is 5.3h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Shimobuchi. A UV Index reading of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. For minimizing sun-related eye damage, always choose sunglasses with UVA and UVB coverage. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Shimobuchi in December?
What is the average humidity in December in Shimobuchi?
How many days does it rain in December in Shimobuchi?
When does it start to snow in Shimobuchi?
What is the month with the shortest days in Shimobuchi?
How many hours of daylight does Shimobuchi have in December?
When are sunrise and sunset in December in Shimobuchi?
How long on average sun shines in December in Shimobuchi?
When is the lowest UV index in Shimobuchi?
What is the UV index intensity in December in Shimobuchi?
Average temperature in December
Shimobuchi, Japan
- Average high temperature in December: 9°C
The warmest month (with the highest average high temperature) is August (30.1°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in December: 2.5°C
The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).
Average pressure in December
Shimobuchi, Japan
- Average pressure in December: 1019.2mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in December
Shimobuchi, Japan
- Average wind speed in December: 8.5km/h
The windiest month (with the highest average wind speed) is January (9km/h).
The calmest month (with the lowest average wind speed) is June (5.8km/h).
Average humidity in December
Shimobuchi, Japan
- Average humidity in December: 79%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Shimobuchi, Japan
- Average rainfall in December: 52mm
The wettest month (with the highest rainfall) is July (161mm).
The driest month (with the least rainfall) is January (46mm).
Average rainfall days in December
Shimobuchi, Japan
- Average rainfall days in December: 15.2 days
The month with the highest number of rainy days is July (21.8 days).
The month with the least rainy days is February (12.8 days).
Average snowfall in December
Shimobuchi, Japan
- Average snowfall in December: 27mm
The month with the highest snowfall is January (56mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Shimobuchi, Japan
- Average snowfall days in December: 3.6 days
The month with the highest number of snowfall days is January (8.4 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Shimobuchi, Japan
- Average daylight in December: 9h and 5min
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: 5h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in December
Shimobuchi, Japan
- Average sunshine days in December: 10.4 days
The month with the most sunshine days is May (15.6 days).
The month with the least sunshine days is July (6.7 days).
Average UV index in December
Shimobuchi, 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
Shimobuchi, Japan
- Average cloud cover in December: 42
The months with the most cloud cover are January, February and June (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Shimobuchi, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, August, October, November and December (9km).
The months with the lowest visibility are June, July and September (8km).
Shimobuchi, Japan
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