December weather forecastUshiami, Japan
December
Weather in December
The first month of the winter, December, is still a chilly month in Ushiami, Japan, with an average temperature ranging between max 6.9°C (44.4°F) and min 2.2°C (36°F).Temperature
The onset of December comes with a shift in the average high-temperature, falling from a mild 13°C (55.4°F) in November to a frosty 6.9°C (44.4°F). Ushiami records a negligible downturn from daytime temperatures, averaging a low of 2.2°C (36°F) in the month of December.Humidity
The average relative humidity in December is 74%.Rainfall
In Ushiami, in December, during 10.1 rainfall days, 32mm (1.26") of precipitation is typically accumulated. In Ushiami, during the entire year, the rain falls for 134.2 days and collects up to 724mm (28.5") of precipitation.Snowfall
January through April and December are months with snowfall in Ushiami. December is the first month it typically snows in Ushiami. Throughout December, in the average 5.2 snowfall days, it receives 28mm (1.1") of snow. Throughout the year, there are 24.2 snowfall days, and 190mm (7.48") of snow is accumulated.Daylight
The month with the shortest days in Ushiami, Japan, is December, with an average of 9h and 30min of daylight.On the first day of December, sunrise is at 06:33 and sunset at 16:15. On the last day of the month, sunrise is at 06:52 and sunset at 16:24 JST.
Sunshine
In December, the average sunshine in Ushiami is 5.4h.UV index
January through March and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.Note: In December, the UV index of 2 transforms into the following advice:
Babies, children, and those with sensitive skin should always avoid extended periods in the sun. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. It's wise to wear UVA and UVB-blocking sunglasses when the sun shines brightly. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
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Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Ushiami, Japan
- Average high temperature in December: 6.9°C
The warmest month (with the highest average high temperature) is August (27.7°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in December: 2.2°C
The month with the highest average low temperature is August (21.7°C).
The coldest month (with the lowest average low temperature) is February (-1°C).
Average pressure in December
Ushiami, Japan
- Average pressure in December: 1016.1mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in December
Ushiami, Japan
- Average wind speed in December: 15km/h
The windiest month (with the highest average wind speed) is January (15.4km/h).
The calmest month (with the lowest average wind speed) is July (9km/h).
Average humidity in December
Ushiami, Japan
- Average humidity in December: 74%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Ushiami, Japan
- Average rainfall in December: 32mm
The wettest month (with the highest rainfall) is October (105mm).
The driest month (with the least rainfall) is February (23mm).
Average rainfall days in December
Ushiami, Japan
- Average rainfall days in December: 10.1 days
The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is February (7.3 days).
Average snowfall in December
Ushiami, Japan
- Average snowfall in December: 28mm
The month with the highest snowfall is January (62mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Ushiami, Japan
- Average snowfall days in December: 5.2 days
The month with the highest number of snowfall days is January (7.8 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
Ushiami, Japan
- Average daylight in December: 9h and 30min
The month with the longest days is June (Average daylight: 14h and 48min).
The month with the shortest days is December (Average daylight: 9h and 30min).
- Average sunshine in December: 5h and 24min
The month with the most sunshine is May (Average sunshine: 9h and 30min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).
Average sunshine days in December
Ushiami, Japan
- Average sunshine days in December: 16.9 days
The month with the most sunshine days is May (21.3 days).
The month with the least sunshine days is July (13.4 days).
Average UV index in December
Ushiami, Japan
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in December
Ushiami, Japan
- Average cloud cover in December: 42
The month with the most cloud cover is July (Cloud cover 48).
The months with the least cloud cover are May and November (Cloud cover 36).
Average visibility in December
Ushiami, Japan
- Average visibility in December: 10km
The months with the highest visibility are February, March, April, October, November and December (10km).
The months with the lowest visibility are January, May, June, July, August and September (9km).
