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
December's onset corresponds with a shift in the average high-temperature, moving from a refreshing 16.8°C (62.2°F) in November to a fresh 11.2°C (52.2°F). Susaki observes an average nighttime temperature of 5.2°C (41.4°F) during December.Humidity
In Susaki, the average relative humidity in December is 73%.Rainfall
In December, in Susaki, the rain falls for 8.3 days. Throughout December, 39mm (1.54") of precipitation is accumulated. Throughout the year, in Susaki, there are 142.1 rainfall days, and 860mm (33.86") of precipitation is accumulated.Snowfall
January, February and December are months with snowfall in Susaki, Japan. The months with the most snowfall in Susaki are January and December, with an average 2mm (0.08") of accumulated snow.Daylight
December has the shortest days of the year, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 06:52 and sunset at 16:59. On the last day of the month, sunrise is at 07:10 and sunset at 17:09 JST.
Sunshine
In December, the average sunshine in Susaki is 6.4h.UV index
The month with the lowest UV index is December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to Sun's UV rays for the average person.Note: A maximum high daily UV index of 2 during December translates into the following directions:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Watch out! The Sun's UV radiation can be nearly magnified twofold due to snow reflection.
Frequently asked questions
What is the temperature in December in Susaki?
What is the average humidity in December in Susaki?
How much does it rain in Susaki in December?
What is the snowiest month in Susaki?
When does it start snowing in Susaki?
What is the month with the shortest days in Susaki?
What is the average length of the day in December in Susaki?
When is the sunrise / sunset in December in Susaki?
How many hours of sunshine does Susaki have in December?
When is the lowest UV index in Susaki?
How high is the UV index in December in Susaki?
Average temperature in December
Susaki, Japan
- Average high temperature in December: 11.2°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (9.3°C).
- Average low temperature in December: 5.2°C
The month with the highest average low temperature is August (23.4°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in December
Susaki, Japan
- Average pressure in December: 1020.2mbar
The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in December
Susaki, Japan
- Average wind speed in December: 9km/h
The windiest month (with the highest average wind speed) is December (9km/h).
The calmest month (with the lowest average wind speed) is June (6.5km/h).
Average humidity in December
Susaki, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (70%).
Average rainfall in December
Susaki, Japan
- Average rainfall in December: 39mm
The wettest month (with the highest rainfall) is July (153mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in December
Susaki, Japan
- Average rainfall days in December: 8.3 days
The month with the highest number of rainy days is July (18.2 days).
The month with the least rainy days is January (6.9 days).
Average snowfall in December
Susaki, Japan
- Average snowfall in December: 2mm
The months with the highest snowfall are January and December (2mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Susaki, Japan
- Average snowfall days in December: 0.4 days
The month with the highest number of snowfall days is January (0.8 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Susaki, 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: 6h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is October (Average sunshine: 6h and 6min).
Average sunshine days in December
Susaki, Japan
- Average sunshine days in December: 21.9 days
The month with the most sunshine days is January (22.3 days).
The month with the least sunshine days is July (10.5 days).
Average UV index in December
Susaki, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Susaki, Japan
- Average cloud cover in December: 28
The month with the most cloud cover is June (Cloud cover 46).
The months with the least cloud cover are January, November and December (Cloud cover 28).
Average visibility in December
Susaki, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, October, November and December (10km).
The month with the lowest visibility is July (8km).
Susaki, Japan
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