December weather forecastTatsuno, Japan
December
Weather in December
The first month of the winter, December, is still a chilly month in Tatsuno, Japan, with an average temperature fluctuating between 4.3°C (39.7°F) and 9.2°C (48.6°F).Temperature
December brings a drop in Tatsuno's average high-temperature, falling from a moderate 15°C (59°F) in November to a chilly 9.2°C (48.6°F). Tatsuno registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 4.3°C (39.7°F) during December.Humidity
The average relative humidity in December is 77%.Rainfall
In Tatsuno, in December, during 14.8 rainfall days, 56mm (2.2") of precipitation is typically accumulated. Throughout the year, there are 190.1 rainfall days, and 1137mm (44.76") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.7 snowfall days, it receives 9mm (0.35") of snow. Throughout the year, there are 13 snowfall days, and 66mm (2.6") of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year.On the first day of December, sunrise is at 06:51 and sunset at 16:50. On the last day of the month, sunrise is at 07:09 and sunset at 17:00 JST.
Sunshine
In Tatsuno, the average sunshine in December is 5.3h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unsafe exposure to UV radiation for the average person.Note: In December, the maximum UV index of 2 transforms into these recommendations:
Most people face no serious problems with extended sun exposure, but those with fair skin, infants, and children always need protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tatsuno, Japan
- Average high temperature in December: 9.2°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 (6.9°C).
- Average low temperature in December: 4.3°C
The month with the highest average low temperature is August (23.7°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).
Average pressure in December
Tatsuno, Japan
- Average pressure in December: 1019.7mbar
The month with the highest atmospheric pressure is February (1020.2mbar).
The month with the lowest atmospheric pressure is June (1008.6mbar).
Average wind speed in December
Tatsuno, Japan
- Average wind speed in December: 13.9km/h
The windiest month (with the highest average wind speed) is January (14.3km/h).
The calmest month (with the lowest average wind speed) is June (8.5km/h).
Average humidity in December
Tatsuno, Japan
- Average humidity in December: 77%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is March (73%).
Average rainfall in December
Tatsuno, Japan
- Average rainfall in December: 56mm
The wettest month (with the highest rainfall) is July (227mm).
The driest month (with the least rainfall) is January (33mm).
Average rainfall days in December
Tatsuno, Japan
- Average rainfall days in December: 14.8 days
The month with the highest number of rainy days is July (24.4 days).
The month with the least rainy days is November (10.7 days).
Average snowfall in December
Tatsuno, Japan
- Average snowfall in December: 9mm
The month with the highest snowfall is January (29mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Tatsuno, Japan
- Average snowfall days in December: 1.7 days
The month with the highest number of snowfall days is January (6.1 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
Tatsuno, 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: 5h and 18min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is February (Average sunshine: 4h and 54min).
Average sunshine days in December
Tatsuno, Japan
- Average sunshine days in December: 11.5 days
The month with the most sunshine days is May (15.9 days).
The month with the least sunshine days is July (4.8 days).
Average UV index in December
Tatsuno, 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
Tatsuno, Japan
- Average cloud cover in December: 40
The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is November (Cloud cover 33).
Average visibility in December
Tatsuno, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, October, November and December (10km).
The months with the lowest visibility are April, May, June, July, August and September (9km).
