December weather forecastTeraimachi, Japan
December
Weather in December
The first month of the winter, December, is also a frosty month in Teraimachi, Japan, with an average temperature ranging between min 5°C (41°F) and max 8.5°C (47.3°F).Temperature
With December's arrival, Teraimachi sees a decrease in average high-temperatures, moving from a mild 14.2°C (57.6°F) in November to a chilly 8.5°C (47.3°F). December registers an average low temperature of 5°C (41°F) in Teraimachi, subtly lower than the daytime maximum.Humidity
The average relative humidity in December is 75%.Rainfall
In Teraimachi, during December, the rain falls for 19.7 days and regularly aggregates up to 89mm (3.5") of precipitation. In Teraimachi, during the entire year, the rain falls for 168.8 days and collects up to 796mm (31.34") of precipitation.Snowfall
Months with snowfall in Teraimachi are January through March and December. December is the first month it typically snows. Throughout December, in the average 5.1 snowfall days, it receives 89mm (3.5") of snow. Throughout the year, in Teraimachi, there are 30.3 snowfall days, and 455mm (17.91") of snow is accumulated.Daylight
The month with the shortest days in Teraimachi is December, with an average of 9h and 42min of daylight.On the first day of December in Teraimachi, Japan, sunrise is at 06:47 and sunset at 16:38. On the last day of the month, sunrise is at 07:05 and sunset at 16:48 JST.
Sunshine
In Teraimachi, Japan, the average sunshine in December is 3.3h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Teraimachi. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for average individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. Solar radiation peaks around mid-day, so it's wise to limit exposure to the Sun at this time. Sunglasses that guard against UVA and UVB rays are pivotal in minimizing sun-induced ocular damage. Take careful note! The UV radiation of the Sun can be nearly doubled by snow reflection.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Teraimachi, Japan
- Average high temperature in December: 8.5°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (5.7°C).
- Average low temperature in December: 5°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is February (2°C).
Average pressure in December
Teraimachi, Japan
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in December
Teraimachi, Japan
- Average wind speed in December: 19.1km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is June (10.6km/h).
Average humidity in December
Teraimachi, Japan
- Average humidity in December: 75%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Teraimachi, Japan
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is July (101mm).
The driest month (with the least rainfall) is May (32mm).
Average rainfall days in December
Teraimachi, Japan
- Average rainfall days in December: 19.7 days
The month with the highest number of rainy days is December (19.7 days).
The month with the least rainy days is May (10.2 days).
Average snowfall in December
Teraimachi, Japan
- Average snowfall in December: 89mm
The month with the highest snowfall is January (189mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Teraimachi, Japan
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (11.7 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
Teraimachi, Japan
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 3h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Teraimachi, Japan
- Average sunshine days in December: 7 days
The month with the most sunshine days is May (19.4 days).
The month with the least sunshine days is January (6.9 days).
Average UV index in December
Teraimachi, Japan
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Teraimachi, Japan
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Teraimachi, Japan
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
