December weather forecastTsunoshima, Japan
December
Weather in December
December, the first month of the winter in Tsunoshima, is still a cool month, with an average temperature varying between 10.7°C (51.3°F) and 6.9°C (44.4°F).Temperature
As November transitions to December, the average high-temperature falls from a refreshing 16.3°C (61.3°F) to a cool 10.7°C (51.3°F). Tsunoshima records a negligible downturn from daytime temperatures, averaging a low of 6.9°C (44.4°F) in the month of December.Humidity
In Tsunoshima, the average relative humidity in December is 71%.Rainfall
In December, the rain falls for 18.4 days. Throughout December, 66mm (2.6") of precipitation is accumulated. In Tsunoshima, during the entire year, the rain falls for 167.1 days and collects up to 1059mm (41.69") of precipitation.Snowfall
Months with snowfall are January, February and December. December is the first month it typically snows. Throughout December, in the average 2.3 snowfall days, it receives 8mm (0.31") of snow. In Tsunoshima, during the entire year, snow falls for 8.3 days and aggregates up to 28mm (1.1") of snow.Daylight
December has the shortest days of the year in Tsunoshima, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 07:04 and sunset at 17:06. On the last day of the month, sunrise is at 07:22 and sunset at 17:16 JST.
Sunshine
In December, the average sunshine is 4.1h.UV index
The months with the lowest UV index in Tsunoshima are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 during December leads to these advisories:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Equip yourself with UVA and UVB-filtering sunglasses on clear, sunny days. Consider carefully! The reflective quality of snow can almost double the intensity of the Sun's UV radiation.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Tsunoshima, Japan
- Average high temperature in December: 10.7°C
The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (8.8°C).
- Average low temperature in December: 6.9°C
The month with the highest average low temperature is August (24.7°C).
The coldest month (with the lowest average low temperature) is January (5.1°C).
Average pressure in December
Tsunoshima, Japan
- Average pressure in December: 1021.2mbar
The month with the highest atmospheric pressure is January (1021.8mbar).
The month with the lowest atmospheric pressure is June (1008.3mbar).
Average wind speed in December
Tsunoshima, Japan
- Average wind speed in December: 16.6km/h
The windiest month (with the highest average wind speed) is December (16.6km/h).
The calmest month (with the lowest average wind speed) is June (10km/h).
Average humidity in December
Tsunoshima, Japan
- Average humidity in December: 71%
The month with the highest relative humidity is July (85%).
The months with the lowest relative humidity are January and February (69%).
Average rainfall in December
Tsunoshima, Japan
- Average rainfall in December: 66mm
The wettest month (with the highest rainfall) is July (214mm).
The driest months (with the least rainfall) are January and November (48mm).
Average rainfall days in December
Tsunoshima, Japan
- Average rainfall days in December: 18.4 days
The month with the highest number of rainy days is July (18.6 days).
The month with the least rainy days is May (9.5 days).
Average snowfall in December
Tsunoshima, Japan
- Average snowfall in December: 8mm
The month with the highest snowfall is January (15mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Tsunoshima, Japan
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (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
Tsunoshima, Japan
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 4h and 6min
The month with the most sunshine is August (Average sunshine: 10h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 54min).
Average sunshine days in December
Tsunoshima, Japan
- Average sunshine days in December: 8.5 days
The month with the most sunshine days is May (20.6 days).
The month with the least sunshine days is December (8.5 days).
Average UV index in December
Tsunoshima, 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
Tsunoshima, Japan
- Average cloud cover in December: 55
The month with the most cloud cover is January (Cloud cover 57).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Tsunoshima, Japan
- Average visibility in December: 10km
The months with the highest visibility are February, March, September, October, November and December (10km).
The months with the lowest visibility are January, April, May, June, July and August (9km).
