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
The onset of December brings a small change in high-temperatures, falling from a refreshing 15°C (59°F) in November to a frosty 9°C (48.2°F). During December, Katsuragi consistently records a temperature low averaging a wintry 2.7°C (36.9°F).Humidity
The average relative humidity in December in Katsuragi is 77%.Rainfall
In Katsuragi, during December, the rain falls for 10.1 days and regularly aggregates up to 16mm (0.63") of precipitation. In Katsuragi, during the entire year, the rain falls for 137.5 days and collects up to 374mm (14.72") 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 2.1 snowfall days, it receives 5mm (0.2") of snow. In Katsuragi, Japan, during the entire year, snow falls for 12.3 days and aggregates up to 25mm (0.98") of snow.Daylight
December has the shortest days of the year in Katsuragi, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 06:45 and sunset at 16:46. On the last day of December, sunrise is at 07:03 and sunset at 16:56 JST.
Sunshine
In Katsuragi, the average sunshine in December is 5h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Katsuragi in December?
What is the average humidity in December in Katsuragi?
How many days does it rain in December in Katsuragi?
When does it start snowing in Katsuragi?
What is the month with the shortest days in Katsuragi?
What is the average length of the day in December in Katsuragi?
What time are sunrise and sunset in December in Katsuragi?
How long on average sun shines in December in Katsuragi?
What is the month with the lowest UV index in Katsuragi?
How high is the UV index in December in Katsuragi?
Average temperature in December
Katsuragi, Japan
- Average high temperature in December: 9°C
The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (6.6°C).
- Average low temperature in December: 2.7°C
The month with the highest average low temperature is August (22.9°C).
The coldest month (with the lowest average low temperature) is January (0.4°C).
Average pressure in December
Katsuragi, Japan
- Average pressure in December: 1019.2mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1008.9mbar).
Average wind speed in December
Katsuragi, Japan
- Average wind speed in December: 8.8km/h
The windiest month (with the highest average wind speed) is January (9.3km/h).
The calmest months (with the lowest average wind speed) are June, August and September (6.2km/h).
Average humidity in December
Katsuragi, Japan
- Average humidity in December: 77%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Katsuragi, Japan
- Average rainfall in December: 16mm
The wettest month (with the highest rainfall) is July (73mm).
The driest month (with the least rainfall) is January (14mm).
Average rainfall days in December
Katsuragi, Japan
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (17.3 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Katsuragi, Japan
- Average snowfall in December: 5mm
The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Katsuragi, Japan
- Average snowfall days in December: 2.1 days
The month with the highest number of snowfall days is February (4.8 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
Katsuragi, 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 0min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 42min).
Average sunshine days in December
Katsuragi, Japan
- Average sunshine days in December: 18.5 days
The month with the most sunshine days is May (19.9 days).
The month with the least sunshine days is July (10.9 days).
Average UV index in December
Katsuragi, 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
Katsuragi, Japan
- Average cloud cover in December: 46
The month with the most cloud cover is January (Cloud cover 50).
The month with the least cloud cover is August (Cloud cover 35).
Average visibility in December
Katsuragi, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, August, November and December (9km).
The months with the lowest visibility are June, July, September and October (8km).
Katsuragi, Japan
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