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
December
Weather in December
Temperature
Rikubetsu's average high-temperature decreases in December, falling from a cold 5.2°C (41.4°F) in November to a subzero cold -1.7°C (28.9°F). In Rikubetsu, December is marked by an average low-temperature of -7.7°C (18.1°F).Humidity
In December, the average relative humidity is 84%.Rainfall
In December, the rain falls for 8.8 days. Throughout December, 53mm (2.09") of precipitation is accumulated. Throughout the year, there are 163 rainfall days, and 723mm (28.46") of precipitation is accumulated.Snowfall
Months with snowfall in Rikubetsu, Japan, are January through May, October through December. In Rikubetsu, during December, snow falls for 20.1 days and regularly aggregates up to 287mm (11.3") of snow. Throughout the year, in Rikubetsu, Japan, there are 107.3 snowfall days, and 1396mm (54.96") of snow is accumulated.Daylight
With an average of 9h and 0min of daylight, December has the shortest days of the year in Rikubetsu.On the first day of December, sunrise is at 06:37 and sunset at 15:50. On the last day of the month, sunrise is at 06:57 and sunset at 15:58 JST.
Sunshine
In Rikubetsu, the average sunshine in December is 4.3h.UV index
January through March and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for average individuals.Note: During December, 1 as the daily maximum UV index converts into the following advice:
The majority are not significantly affected by prolonged sun exposure. Infants, children, and those with fair skin must always have protection. The midday Sun can be dangerous due to its intense radiation; always find shade and reduce exposure. For holistic sun protection encompassing the eyes, ears, face, and neck, a wide-brim hat is key. Be watchful! The reflection of snow can enhance the intensity of the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is December in Rikubetsu?
What is the average humidity in December in Rikubetsu?
How much does it rain in Rikubetsu in December?
How many days does it snow in December in Rikubetsu?
What is the month with the shortest days in Rikubetsu?
How many hours of daylight does Rikubetsu have in December?
When are sunrise and sunset in December in Rikubetsu?
How long on average sun shines in December in Rikubetsu?
What are the months with the lowest UV index in Rikubetsu?
How high is the UV index in December in Rikubetsu?
Average temperature in December
Rikubetsu, Japan
- Average high temperature in December: -1.7°C
The warmest month (with the highest average high temperature) is August (23.9°C).
The month with the lowest average high temperature is January (-4.8°C).
- Average low temperature in December: -7.7°C
The month with the highest average low temperature is August (14.6°C).
The coldest month (with the lowest average low temperature) is February (-12.3°C).
Average pressure in December
Rikubetsu, Japan
- Average pressure in December: 1011.5mbar
The month with the highest atmospheric pressure is October (1015.4mbar).
The month with the lowest atmospheric pressure is July (1009.1mbar).
Average wind speed in December
Rikubetsu, Japan
- Average wind speed in December: 10km/h
The windiest month (with the highest average wind speed) is April (10.1km/h).
The calmest month (with the lowest average wind speed) is August (7km/h).
Average humidity in December
Rikubetsu, Japan
- Average humidity in December: 84%
The month with the highest relative humidity is February (91%).
The month with the lowest relative humidity is May (76%).
Average rainfall in December
Rikubetsu, Japan
- Average rainfall in December: 53mm
The wettest month (with the highest rainfall) is August (111mm).
The driest month (with the least rainfall) is February (35mm).
Average rainfall days in December
Rikubetsu, Japan
- Average rainfall days in December: 8.8 days
The month with the highest number of rainy days is July (20 days).
The month with the least rainy days is February (6.4 days).
Average snowfall in December
Rikubetsu, Japan
- Average snowfall in December: 287mm
The month with the highest snowfall is January (310mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Rikubetsu, Japan
- Average snowfall days in December: 20.1 days
The month with the highest number of snowfall days is January (23.5 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Rikubetsu, Japan
- Average daylight in December: 9h and 0min
The month with the longest days is June (Average daylight: 15h and 24min).
The month with the shortest days is December (Average daylight: 9h and 0min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is May (Average sunshine: 8h and 30min).
The month with the least sunshine is February (Average sunshine: 3h and 12min).
Average sunshine days in December
Rikubetsu, Japan
- Average sunshine days in December: 9.6 days
The month with the most sunshine days is October (13.3 days).
The month with the least sunshine days is March (6.3 days).
Average UV index in December
Rikubetsu, Japan
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 1).
Average cloud cover in December
Rikubetsu, Japan
- Average cloud cover in December: 55
The months with the most cloud cover are January and February (Cloud cover 66).
The month with the least cloud cover is October (Cloud cover 39).
Average visibility in December
Rikubetsu, Japan
- Average visibility in December: 8km
The months with the highest visibility are October and November (9km).
The month with the lowest visibility is February (6km).
