December weather forecastSakamoto, Japan
December weather for Sakamoto, Japan: The first month of the winter, December, is also a frosty month in Sakamoto, Japan, with an average temperature fluctuating between 2.3°C (36.1°F) and 8.4°C (47.1°F). December has the shortest days of the year in Sakamoto, Japan, with an average of 9h and 48min of daylight.
December
Weather in December
The first month of the winter, December, is also a frosty month in Sakamoto, Japan, with an average temperature fluctuating between 2.3°C (36.1°F) and 8.4°C (47.1°F).Temperature
Sakamoto observes a minor decrease in the average high-temperature with the arrival of December, falling from November's moderate 14.5°C (58.1°F) to a chilly 8.4°C (47.1°F). Throughout December, the average low-temperature records at an icy 2.3°C (36.1°F).Humidity
January, July, September, October and December, with an average relative humidity of 81%, are the most humid months.Rainfall
In Sakamoto, during December, the rain falls for 15.5 days and regularly aggregates up to 49mm (1.93") of precipitation. In Sakamoto, during the entire year, the rain falls for 187.5 days and collects up to 1054mm (41.5") of precipitation.Snowfall
Months with snowfall are January through April and December. December is the first month it typically snows in Sakamoto. Throughout December, in the average 5.3 snowfall days, it receives 36mm (1.42") of snow. Throughout the year, in Sakamoto, there are 26.3 snowfall days, and 205mm (8.07") of snow is accumulated.Daylight
December has the shortest days of the year in Sakamoto, Japan, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:46 and sunset at 16:44. On the last day of December, in Sakamoto, sunrise is at 07:04 and sunset at 16:54 JST.
Sunshine
The average sunshine in December in Sakamoto is 4.6h.UV index
The months with the lowest UV index in Sakamoto are January, February and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from unsafe exposure to UV radiation for ordinary individuals.Note: The UV index of 2 in December translates into these instructions:
Protection from prolonged sun exposure is necessary for babies, children, and individuals with sensitive skin. Direct Sun exposure should be minimized especially during midday when radiation is most intense. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Sakamoto, Japan
- Average high temperature in December: 8.4°C
The warmest month (with the highest average high temperature) is August (31.4°C).
The month with the lowest average high temperature is January (6°C).
- Average low temperature in December: 2.3°C
The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (-0.2°C).
Average pressure in December
Sakamoto, Japan
- Average pressure in December: 1019.1mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1008.9mbar).
Average wind speed in December
Sakamoto, Japan
- Average wind speed in December: 8.1km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest month (with the lowest average wind speed) is July (6.6km/h).
Average humidity in December
Sakamoto, Japan
- Average humidity in December: 81%
The months with the highest relative humidity are January, July, September, October and December (81%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Sakamoto, Japan
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is July (200mm).
The driest month (with the least rainfall) is November (37mm).
Average rainfall days in December
Sakamoto, Japan
- Average rainfall days in December: 15.5 days
The month with the highest number of rainy days is July (23.4 days).
The month with the least rainy days is February (12.1 days).
Average snowfall in December
Sakamoto, Japan
- Average snowfall in December: 36mm
The month with the highest snowfall is January (100mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Sakamoto, Japan
- Average snowfall days in December: 5.3 days
The month with the highest number of snowfall days is January (11.1 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Sakamoto, Japan
- Average daylight in December: 9h and 48min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 48min).
- Average sunshine in December: 4h and 36min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 4h and 0min).
Average sunshine days in December
Sakamoto, Japan
- Average sunshine days in December: 10 days
The month with the most sunshine days is May (17.2 days).
The month with the least sunshine days is July (5.5 days).
Average UV index in December
Sakamoto, 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, February and December (UV index 2).
Average cloud cover in December
Sakamoto, Japan
- Average cloud cover in December: 52
The month with the most cloud cover is January (Cloud cover 56).
The month with the least cloud cover is May (Cloud cover 43).
Average visibility in December
Sakamoto, Japan
- Average visibility in December: 8km
The months with the highest visibility are January, February, March, April, May, June, August, November and December (8km).
The months with the lowest visibility are July, September and October (7km).
