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 comes with a drop in the average high-temperature, falling from November's refreshing 15.4°C (59.7°F) to a cool 10°C (50°F). In Sadamitsu, the nighttime temperature shows a slight difference from the daytime high, averaging to an icy 5.5°C (41.9°F) during December.Humidity
The average relative humidity in December in Sadamitsu, Japan, is 73%.Rainfall
In Sadamitsu, during December, the rain falls for 14.8 days and regularly aggregates up to 35mm (1.38") of precipitation. In Sadamitsu, during the entire year, the rain falls for 180.2 days and collects up to 722mm (28.43") of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 2.5 snowfall days, it receives 4mm (0.16") of snow. Throughout the year, in Sadamitsu, there are 11 snowfall days, and 39mm (1.54") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 06:51 and sunset at 16:54. On the last day of December, in Sadamitsu, Japan, sunrise is at 07:08 and sunset at 17:04 JST.
Sunshine
January, February and December, with an average of 5.4h of sunshine, are months with the least sunshine in Sadamitsu, Japan.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Sadamitsu. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the average person.Note: During December, 2 as the daily maximum UV index converts into the following advice:
Though extended exposure to the sun typically does not concern most people, it is crucial to always shield children, infants, and those with sensitive skin. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Frequently asked questions
What are December temperatures in Sadamitsu?
What is the average humidity in December in Sadamitsu?
How much does it rain in Sadamitsu in December?
When does it start snowing in Sadamitsu?
What is the month with the shortest days in Sadamitsu?
How many hours of daylight does Sadamitsu have in December?
When are sunrise and sunset in December in Sadamitsu?
What is the month with the least sunshine in Sadamitsu?
How many hours of sunshine does Sadamitsu have in December?
What are the months with the lowest UV index in Sadamitsu?
What is the UV index reading in December in Sadamitsu?
Average temperature in December
Sadamitsu, Japan
- Average high temperature in December: 10°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in December: 5.5°C
The month with the highest average low temperature is August (24.4°C).
The coldest month (with the lowest average low temperature) is January (3°C).
Average pressure in December
Sadamitsu, Japan
- Average pressure in December: 1020mbar
The month with the highest atmospheric pressure is January (1020.3mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in December
Sadamitsu, Japan
- Average wind speed in December: 15.8km/h
The windiest month (with the highest average wind speed) is January (16km/h).
The calmest month (with the lowest average wind speed) is June (8km/h).
Average humidity in December
Sadamitsu, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are March and April (70%).
Average rainfall in December
Sadamitsu, Japan
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is July (112mm).
The driest month (with the least rainfall) is February (26mm).
Average rainfall days in December
Sadamitsu, Japan
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is July (22.8 days).
The month with the least rainy days is May (11.3 days).
Average snowfall in December
Sadamitsu, Japan
- Average snowfall in December: 4mm
The months with the highest snowfall are January and February (17mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Sadamitsu, Japan
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (4.6 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
Sadamitsu, 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 48min).
The months with the least sunshine are January, February and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Sadamitsu, Japan
- Average sunshine days in December: 10 days
The month with the most sunshine days is May (17.6 days).
The month with the least sunshine days is July (5.2 days).
Average UV index in December
Sadamitsu, 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
Sadamitsu, Japan
- Average cloud cover in December: 41
The month with the most cloud cover is February (Cloud cover 42).
The month with the least cloud cover is May (Cloud cover 31).
Average visibility in December
Sadamitsu, Japan
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, May, June, August, September, October, November and December (10km).
The months with the lowest visibility are January and July (9km).
Sadamitsu, Japan
Weather forecast for your location
2. Allow the app to use your location
