December weather forecastShinshiro, Japan
December
Weather in December
The first month of the winter, December, is also a frosty month in Shinshiro, Japan, with temperature in the range of an average low of 3.5°C (38.3°F) and an average high of 9.5°C (49.1°F).Temperature
In December, the meteorological conditions alter, with the average high-temperature shifting from a mild 15.3°C (59.5°F) in November to a chilly 9.5°C (49.1°F). Throughout the month of December, Shinshiro witnesses an average temperature of 3.5°C (38.3°F).Humidity
In Shinshiro, the average relative humidity in December is 74%.Rainfall
In Shinshiro, during December, the rain falls for 9 days and regularly aggregates up to 58mm (2.28") of precipitation. In Shinshiro, during the entire year, the rain falls for 164.4 days and collects up to 1508mm (59.37") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 1.1 snowfall days, it receives 3mm (0.12") of snow. In Shinshiro, during the entire year, snow falls for 3.3 days and aggregates up to 11mm (0.43") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 06:39 and sunset at 16:38. On the last day of the month, sunrise is at 06:57 and sunset at 16:48 JST.
Sunshine
In December, the average sunshine is 6h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the average person.Note: The daily high UV index of 2 in December translates into this advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Always opt for UVA and UVB-resistant sunglasses on radiant days. Forewarned is forearmed! The Sun's UV radiation can be almost doubled in intensity by snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Shinshiro, Japan
- Average high temperature in December: 9.5°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (7.2°C).
- Average low temperature in December: 3.5°C
The month with the highest average low temperature is August (22.6°C).
The coldest month (with the lowest average low temperature) is January (0.3°C).
Average pressure in December
Shinshiro, Japan
- Average pressure in December: 1017.9mbar
The month with the highest atmospheric pressure is November (1018.8mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in December
Shinshiro, Japan
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is January (17.3km/h).
The calmest month (with the lowest average wind speed) is August (9.2km/h).
Average humidity in December
Shinshiro, Japan
- Average humidity in December: 74%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January and February (70%).
Average rainfall in December
Shinshiro, Japan
- Average rainfall in December: 58mm
The wettest month (with the highest rainfall) is July (255mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in December
Shinshiro, Japan
- Average rainfall days in December: 9 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is January (7.6 days).
Average snowfall in December
Shinshiro, Japan
- Average snowfall in December: 3mm
The month with the highest snowfall is January (5mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Shinshiro, Japan
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (1.4 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
Shinshiro, Japan
- Average daylight in December: 9h and 54min
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 54min).
- Average sunshine in December: 6h and 0min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in December
Shinshiro, Japan
- Average sunshine days in December: 19.9 days
The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (7.9 days).
Average UV index in December
Shinshiro, 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
Shinshiro, Japan
- Average cloud cover in December: 32
The month with the most cloud cover is July (Cloud cover 48).
The month with the least cloud cover is January (Cloud cover 31).
Average visibility in December
Shinshiro, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, November and December (10km).
The month with the lowest visibility is July (8km).
