December weather forecastShirone, Japan
December
Weather in December
December, the first month of the winter in Shirone, is also a frosty month, with an average temperature varying between 6.7°C (44.1°F) and 3.3°C (37.9°F).Temperature
A change in temperatures is noted as November gives way to December, with average highs reducing from a cool 12.8°C (55°F) to a frosty 6.7°C (44.1°F). Shirone maintains a consistent average nighttime low-temperature of 3.3°C (37.9°F) throughout December.Humidity
In Shirone, the average relative humidity in December is 78%.Rainfall
The month with the most rainfall is December, when the rain falls for 20.5 days and typically aggregates up to 158mm (6.22") of precipitation.Snowfall
Months with snowfall are January through April, November and December. In Shirone, during December, snow falls for 10 days and regularly aggregates up to 257mm (10.12") of snow. Throughout the year, there are 54.2 snowfall days, and 1160mm (45.67") of snow is accumulated.Daylight
The month with the shortest days is December, with an average of 9h and 36min of daylight.On the first day of December, sunrise is at 06:40 and sunset at 16:25. On the last day of the month, sunrise is at 06:59 and sunset at 16:34 JST.
Sunshine
The average sunshine in December is 2.5h.UV index
January 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 low health risk from unprotected exposure to Sun's UV rays for ordinary individuals.Note: The maximum UV index of 1 during December translates into these guidelines:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat. Notice! The UV radiation of the Sun can be intensified nearly twofold due to the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Shirone, Japan
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (29.1°C).
The month with the lowest average high temperature is January (3.9°C).
- Average low temperature in December: 3.3°C
The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is February (0.2°C).
Average pressure in December
Shirone, Japan
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in December
Shirone, Japan
- Average wind speed in December: 17.9km/h
The windiest month (with the highest average wind speed) is January (18.1km/h).
The calmest month (with the lowest average wind speed) is July (8.5km/h).
Average humidity in December
Shirone, Japan
- Average humidity in December: 78%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are April and May (72%).
Average rainfall in December
Shirone, Japan
- Average rainfall in December: 158mm
The wettest month (with the highest rainfall) is December (158mm).
The driest month (with the least rainfall) is May (57mm).
Average rainfall days in December
Shirone, Japan
- Average rainfall days in December: 20.5 days
The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in December
Shirone, Japan
- Average snowfall in December: 257mm
The month with the highest snowfall is January (453mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Shirone, Japan
- Average snowfall days in December: 10 days
The month with the highest number of snowfall days is January (18.8 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Shirone, Japan
- Average daylight in December: 9h and 36min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 2h and 30min
The month with the most sunshine is August (Average sunshine: 10h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 48min).
Average sunshine days in December
Shirone, Japan
- Average sunshine days in December: 3.9 days
The month with the most sunshine days is May (15.1 days).
The month with the least sunshine days is January (2.6 days).
Average UV index in December
Shirone, Japan
- Average UV index in December: 1
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 1).
Average cloud cover in December
Shirone, Japan
- Average cloud cover in December: 75
The month with the most cloud cover is January (Cloud cover 83).
The month with the least cloud cover is August (Cloud cover 34).
Average visibility in December
Shirone, Japan
- Average visibility in December: 8km
The months with the highest visibility are June, August, September and October (10km).
The months with the lowest visibility are January, February and December (8km).
