December weather forecastSukumo, Japan
December
Weather in December
The first month of the winter, December, is also a fresh month in Sukumo, Japan, with an average temperature varying between 12.5°C (54.5°F) and 8.3°C (46.9°F).Temperature
The transition into December involves a decrease in the average high-temperature, falling from a comfortable 17.6°C (63.7°F) in November to a cool 12.5°C (54.5°F). Sukumo upholds a consistent average temperature of 8.3°C (46.9°F) throughout the nights of December.Humidity
In December, the average relative humidity is 72%.Rainfall
In Sukumo, in December, it is raining for 13.5 days, with typically 67mm (2.64") of accumulated precipitation. Throughout the year, in Sukumo, there are 173.9 rainfall days, and 1409mm (55.47") of precipitation is accumulated.Snowfall
January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, in Sukumo, there are 3.4 snowfall days, and 8mm (0.31") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 10h and 0min of daylight.On the first day of December, sunrise is at 06:53 and sunset at 17:02. On the last day of the month, sunrise is at 07:11 and sunset at 17:12 JST.
Sunshine
The average sunshine in December is 5.8h.UV index
The months with the lowest UV index in Sukumo are January, February and December, with an average maximum UV index of 3. A UV Index value of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.Note: The maximum daily UV index of 3 in December interprets into the following recommendations:
Take care. Persons with lighter skin might suffer burns in less than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Opt for tightly woven and loose clothing to enhance protection from the Sun. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sukumo, Japan
- Average high temperature in December: 12.5°C
The warmest month (with the highest average high temperature) is August (29.3°C).
The month with the lowest average high temperature is January (10.3°C).
- Average low temperature in December: 8.3°C
The month with the highest average low temperature is August (25.1°C).
The coldest month (with the lowest average low temperature) is January (6.3°C).
Average pressure in December
Sukumo, Japan
- Average pressure in December: 1020.4mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is June (1008.4mbar).
Average wind speed in December
Sukumo, Japan
- Average wind speed in December: 17.9km/h
The windiest month (with the highest average wind speed) is January (18.5km/h).
The calmest month (with the lowest average wind speed) is August (10.6km/h).
Average humidity in December
Sukumo, Japan
- Average humidity in December: 72%
The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are January and March (70%).
Average rainfall in December
Sukumo, Japan
- Average rainfall in December: 67mm
The wettest month (with the highest rainfall) is June (225mm).
The driest month (with the least rainfall) is January (44mm).
Average rainfall days in December
Sukumo, Japan
- Average rainfall days in December: 13.5 days
The month with the highest number of rainy days is July (19.9 days).
The month with the least rainy days is January (11 days).
Average snowfall in December
Sukumo, Japan
- Average snowfall in December: 1mm
The month with the highest snowfall is January (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Sukumo, Japan
- Average snowfall days in December: 0.4 days
The months with the highest number of snowfall days are January and February (1.4 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
Sukumo, 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: 5h and 48min
The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is January (Average sunshine: 5h and 36min).
Average sunshine days in December
Sukumo, Japan
- Average sunshine days in December: 12.6 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is July (9.2 days).
Average UV index in December
Sukumo, Japan
- Average UV index in December: 3
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 3).
Average cloud cover in December
Sukumo, Japan
- Average cloud cover in December: 35
The month with the most cloud cover is June (Cloud cover 49).
The month with the least cloud cover is November (Cloud cover 33).
Average visibility in December
Sukumo, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, August, September, October, November and December (10km).
The months with the lowest visibility are May, June and July (9km).
