Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
Weather in December
Temperature
December implies a gentle temperature shift, with average high-temperatures reducing from November's refreshing 16.9°C (62.4°F) to a cool 11°C (51.8°F). December nights in Tsunagi, Japan, reveal a minor deviation from daytime highs, with a mean low-temperature of 6.2°C (43.2°F).Humidity
In Tsunagi, the average relative humidity in December is 73%.Rainfall
In Tsunagi, in December, it is raining for 12.7 days, with typically 69mm (2.72") of accumulated precipitation. In Tsunagi, during the entire year, the rain falls for 182.8 days and collects up to 1440mm (56.69") of precipitation.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 1.5 snowfall days, it receives 14mm (0.55") of snow. In Tsunagi, during the entire year, snow falls for 5.8 days and aggregates up to 40mm (1.57") of snow.Daylight
December has the shortest days of the year in Tsunagi, with an average of 10h and 6min of daylight.On the first day of the month, sunrise is at 07:01 and sunset at 17:13. On the last day of December, in Tsunagi, sunrise is at 07:19 and sunset at 17:23 JST.
Sunshine
In December, the average sunshine is 5.4h.UV index
With an average maximum UV index of 2, December is the month with the lowest UV index in Tsunagi. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for the ordinary person.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
While most people are not greatly affected by extended sun exposure, those with fair skin, babies, and children must always have protection. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Take note! UV radiation from the Sun can double in intensity due to snow reflection.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
What is the temperature in December in Tsunagi?
What is the average humidity in December in Tsunagi?
How many days does it rain in December in Tsunagi?
When does it start to snow in Tsunagi?
What is the month with the shortest days in Tsunagi?
What is the average length of the day in December in Tsunagi?
What time are sunrise and sunset in December in Tsunagi?
How long on average sun shines in December in Tsunagi?
When is the lowest UV index in Tsunagi?
What is the UV index reading in December in Tsunagi?
Average temperature in December
Tsunagi, Japan
- Average high temperature in December: 11°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 (9°C).
- Average low temperature in December: 6.2°C
The month with the highest average low temperature is August (24.2°C).
The coldest month (with the lowest average low temperature) is January (3.8°C).
Average pressure in December
Tsunagi, Japan
- Average pressure in December: 1021.2mbar
The month with the highest atmospheric pressure is January (1021.7mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in December
Tsunagi, Japan
- Average wind speed in December: 12.5km/h
The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is June (8.2km/h).
Average humidity in December
Tsunagi, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is July (85%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Tsunagi, Japan
- Average rainfall in December: 69mm
The wettest month (with the highest rainfall) is June (303mm).
The driest month (with the least rainfall) is January (51mm).
Average rainfall days in December
Tsunagi, Japan
- Average rainfall days in December: 12.7 days
The month with the highest number of rainy days is July (22.9 days).
The month with the least rainy days is January (10.3 days).
Average snowfall in December
Tsunagi, Japan
- Average snowfall in December: 14mm
The month with the highest snowfall is January (19mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Tsunagi, Japan
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (2.4 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
Tsunagi, Japan
- Average daylight in December: 10h and 1min
The month with the longest days is June (Average daylight: 14h and 12min).
The month with the shortest days is December (Average daylight: 10h and 6min).
- Average sunshine in December: 5h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 5h and 6min).
Average sunshine days in December
Tsunagi, Japan
- Average sunshine days in December: 16.5 days
The month with the most sunshine days is October (18.2 days).
The month with the least sunshine days is July (5.9 days).
Average UV index in December
Tsunagi, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is December (UV index 2).
Average cloud cover in December
Tsunagi, Japan
- Average cloud cover in December: 41
The month with the most cloud cover is June (Cloud cover 51).
The month with the least cloud cover is October (Cloud cover 31).
Average visibility in December
Tsunagi, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, August, September, October, November and December (10km).
The months with the lowest visibility are April, May, June and July (9km).
Tsunagi, Japan
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