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
In Susenji, entering December brings a temperature decrement, reducing from November's comfortable 16.4°C (61.5°F) to a cool 10.5°C (50.9°F). During the nights of December, the average low-temperature holds at a wintry 5.8°C (42.4°F).Humidity
The average relative humidity in December in Susenji is 73%.Rainfall
In Susenji, Japan, during December, the rain falls for 17.3 days and regularly aggregates up to 70mm (2.76") of precipitation. In Susenji, during the entire year, the rain falls for 178 days and collects up to 1063mm (41.85") of precipitation.Snowfall
January through March and December are months with snowfall in Susenji. December is the first month it typically snows in Susenji. Throughout December, in the average 2.5 snowfall days, it receives 12mm (0.47") of snow. In Susenji, during the entire year, snow falls for 10.4 days and aggregates up to 48mm (1.89") of snow.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Susenji.On the first day of the month, sunrise is at 07:05 and sunset at 17:10. On the last day of December, sunrise is at 07:23 and sunset at 17:21 JST.
Sunshine
In December, the average sunshine is 4.3h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 during December translates into the following directions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. To protect against the Sun's most potent rays, avoid direct exposure around midday. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.
Frequently asked questions
What are December temperatures in Susenji?
What is the average humidity in December in Susenji?
How many days does it rain in December in Susenji?
When does it start to snow in Susenji?
What is the month with the shortest days in Susenji?
How many hours of daylight does Susenji have in December?
When are sunrise and sunset in December in Susenji?
How long on average sun shines in December in Susenji?
What are the months with the lowest UV index in Susenji?
What is the UV index reading in December in Susenji?
Average temperature in December
Susenji, Japan
- Average high temperature in December: 10.5°C
The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (8.4°C).
- Average low temperature in December: 5.8°C
The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in December
Susenji, Japan
- Average pressure in December: 1021.5mbar
The month with the highest atmospheric pressure is January (1022.1mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in December
Susenji, Japan
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is January (14.2km/h).
The calmest month (with the lowest average wind speed) is June (9.4km/h).
Average humidity in December
Susenji, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is July (84%).
The months with the lowest relative humidity are January, February and March (72%).
Average rainfall in December
Susenji, Japan
- Average rainfall in December: 70mm
The wettest month (with the highest rainfall) is July (193mm).
The driest month (with the least rainfall) is January (52mm).
Average rainfall days in December
Susenji, Japan
- Average rainfall days in December: 17.3 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is May (10.8 days).
Average snowfall in December
Susenji, Japan
- Average snowfall in December: 12mm
The month with the highest snowfall is January (22mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Susenji, Japan
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.9 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
Susenji, Japan
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Susenji, Japan
- Average sunshine days in December: 9.8 days
The month with the most sunshine days is May (18.6 days).
The month with the least sunshine days is July (8.4 days).
Average UV index in December
Susenji, 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
Susenji, Japan
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Susenji, Japan
- Average visibility in December: 10km
The months with the highest visibility are March, September, October, November and December (10km).
The months with the lowest visibility are January, February, April, May, June, July and August (9km).
Susenji, Japan
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