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 sea temperature 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 commencement of December involves a temperature shift, with the average high-temperature dropping from a moderate 15.5°C (59.9°F) in November to a chilly 9.9°C (49.8°F). December nighttime temperatures hover close to the daytime peak with an average of 5.1°C (41.2°F).Humidity
In Shiida, the average relative humidity in December is 75%.Rainfall
In Shiida, during December, the rain falls for 17.8 days and regularly aggregates up to 67mm (2.64") of precipitation. Throughout the year, there are 182.4 rainfall days, and 979mm (38.54") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Shiida. December is the first month it typically snows. Throughout December, in the average 3.2 snowfall days, it receives 21mm (0.83") of snow. Throughout the year, there are 13.2 snowfall days, and 74mm (2.91") of snow is accumulated.Sea temperature
In Shiida, the average seawater temperature in December is 16.3°C (61.3°F).Note: Most people do not find pleasure in swimming when the water temperature is 16.3°C (61.3°F). Breathing becomes increasingly difficult to manage as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).
Daylight
The month with the shortest days in Shiida is December, with an average of 10h and 0min of daylight.On the first day of December in Shiida, sunrise is at 07:02 and sunset at 17:07. On the last day of the month, sunrise is at 07:20 and sunset at 17:17 JST.
Sunshine
In December, the average sunshine in Shiida, Japan, is 4.1h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Shiida, Japan. A UV Index value of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December converts into the following recommendations:
Apart from children, who require continuous protection, most can endure sun exposure for up to an hour without experiencing burns. The midday Sun can be harmful due to its potent UV radiation; seek shade and reduce exposure. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Frequently asked questions
What are the temperatures in Shiida in December?
What is the average humidity in December in Shiida?
How much does it rain in Shiida in December?
When does it start snowing in Shiida?
What is the sea water temperature in December in Shiida?
What is the month with the shortest days in Shiida?
What is the average length of the day in December in Shiida?
When are sunrise and sunset in December in Shiida?
How long on average sun shines in December in Shiida?
What is the month with the lowest UV index in Shiida?
How high is the UV index in December in Shiida?
Average temperature in December
Shiida, Japan
- Average high temperature in December: 9.9°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 (7.8°C).
- Average low temperature in December: 5.1°C
The month with the highest average low temperature is August (23.2°C).
The coldest month (with the lowest average low temperature) is January (2.9°C).
Average pressure in December
Shiida, Japan
- Average pressure in December: 1021.2mbar
The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed in December
Shiida, Japan
- Average wind speed in December: 12.4km/h
The windiest months (with the highest average wind speed) are January and December (12.4km/h).
The calmest month (with the lowest average wind speed) is June (7.9km/h).
Average humidity in December
Shiida, Japan
- Average humidity in December: 75%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is March (73%).
Average rainfall in December
Shiida, Japan
- Average rainfall in December: 67mm
The wettest month (with the highest rainfall) is July (181mm).
The driest month (with the least rainfall) is November (45mm).
Average rainfall days in December
Shiida, Japan
- Average rainfall days in December: 17.8 days
The month with the highest number of rainy days is July (21.3 days).
The months with the least rainy days are May and October (11.2 days).
Average snowfall in December
Shiida, Japan
- Average snowfall in December: 21mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Shiida, Japan
- Average snowfall days in December: 3.2 days
The month with the highest number of snowfall days is January (5.9 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).
Average sea temperature in December
Shiida, Japan
- Average sea temperature in December: 16.3°C
The best month for swimming (with the highest average sea temperature) is August (26.5°C).
The coldest month (with the lowest average sea temperature) is February (11.8°C).
Average daylight in December /
Average sunshine in December
Shiida, Japan
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 1min
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 0min).
Average sunshine days in December
Shiida, Japan
- Average sunshine days in December: 9.1 days
The month with the most sunshine days is May (18.4 days).
The month with the least sunshine days is July (8.1 days).
Average UV index in December
Shiida, 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
Shiida, Japan
- Average cloud cover in December: 54
The month with the most cloud cover is January (Cloud cover 55).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Shiida, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).
Shiida, Japan
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