December weather forecastHoronobe, Japan
December
Weather in December
December, the first month of the winter in Horonobe, is also a subzero cold month, with an average temperature varying between -0.2°C (31.6°F) and -2.9°C (26.8°F).Temperature
December brings a drop in Horonobe's average high-temperature, falling from a cold 5.6°C (42.1°F) in November to a subzero cold -0.2°C (31.6°F). A mean low-temperature of -2.9°C (26.8°F) is a distinguishing feature of December in Horonobe, indicating a slight dip from daytime highs.Humidity
In December, the average relative humidity in Horonobe is 76%.Rainfall
In Horonobe, during December, the rain falls for 5.3 days and regularly aggregates up to 77mm (3.03") of precipitation. Throughout the year, in Horonobe, there are 135.1 rainfall days, and 739mm (29.09") of precipitation is accumulated.Snowfall
Months with snowfall are January through May, October through December. The month with the most snowfall in Horonobe is December, when snow falls for 19 days and typically aggregates up to 175mm (6.89") of snow.Daylight
December has the shortest days of the year in Horonobe, with an average of 8h and 48min of daylight.On the first day of the month, sunrise is at 06:50 and sunset at 15:52. On the last day of December, sunrise is at 07:10 and sunset at 16:00 JST.
Sunshine
The average sunshine in December in Horonobe is 1.6h.UV index
The months with the lowest UV index are January, February, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the maximum UV index of 1 suggests this advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. Sunglasses providing both UVA and UVB protection are non-negotiable on sunlit days. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Horonobe, Japan
- Average high temperature in December: -0.2°C
The warmest month (with the highest average high temperature) is August (20.3°C).
The month with the lowest average high temperature is January (-2.9°C).
- Average low temperature in December: -2.9°C
The month with the highest average low temperature is August (17.8°C).
The coldest month (with the lowest average low temperature) is February (-5.7°C).
Average pressure in December
Horonobe, Japan
- Average pressure in December: 1010.7mbar
The month with the highest atmospheric pressure is November (1014.2mbar).
The month with the lowest atmospheric pressure is July (1008.3mbar).
Average wind speed in December
Horonobe, Japan
- Average wind speed in December: 28.3km/h
The windiest month (with the highest average wind speed) is December (28.3km/h).
The calmest month (with the lowest average wind speed) is July (17.8km/h).
Average humidity in December
Horonobe, Japan
- Average humidity in December: 76%
The month with the highest relative humidity is July (88%).
The month with the lowest relative humidity is October (70%).
Average rainfall in December
Horonobe, Japan
- Average rainfall in December: 77mm
The wettest month (with the highest rainfall) is August (102mm).
The driest month (with the least rainfall) is April (35mm).
Average rainfall days in December
Horonobe, Japan
- Average rainfall days in December: 5.3 days
The month with the highest number of rainy days is October (18.4 days).
The month with the least rainy days is January (2.1 days).
Average snowfall in December
Horonobe, Japan
- Average snowfall in December: 175mm
The month with the highest snowfall is December (175mm).
The months with the least snowfall are June, July, August and September (0mm).
Average snowfall days in December
Horonobe, Japan
- Average snowfall days in December: 19 days
The month with the highest number of snowfall days is January (21.2 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Horonobe, Japan
- Average daylight in December: 8h and 48min
The month with the longest days is June (Average daylight: 15h and 36min).
The month with the shortest days is December (Average daylight: 8h and 48min).
- Average sunshine in December: 1h and 36min
The month with the most sunshine is August (Average sunshine: 8h and 24min).
The month with the least sunshine is January (Average sunshine: 1h and 6min).
Average sunshine days in December
Horonobe, Japan
- Average sunshine days in December: 2 days
The month with the most sunshine days is May (15.3 days).
The month with the least sunshine days is December (2 days).
Average UV index in December
Horonobe, Japan
- Average UV index in December: 1
The months with the highest UV index are July, August and September (UV index 5).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Horonobe, Japan
- Average cloud cover in December: 85
The month with the most cloud cover is January (Cloud cover 90).
The month with the least cloud cover is September (Cloud cover 38).
Average visibility in December
Horonobe, Japan
- Average visibility in December: 7km
The months with the highest visibility are September and October (10km).
The months with the lowest visibility are January and December (7km).
