December weather forecastUsuda, Japan
December
Weather in December
December, the first month of the winter in Usuda, is still a cold month, with an average temperature ranging between min -4.9°C (23.2°F) and max 2.9°C (37.2°F).Temperature
The onset of December comes with a shift in the average high-temperature, falling from a frosty 9.5°C (49.1°F) in November to a wintry 2.9°C (37.2°F). The temperature lowers to an average of -4.9°C (23.2°F) during December nights.Humidity
In Usuda, Japan, the average relative humidity in December is 80%.Rainfall
December is the month with the least rainfall. Rain falls for 15 days and accumulates 43mm (1.69") of precipitation.Snowfall
Months with snowfall in Usuda, Japan, are January through April, November and December. In Usuda, in December, snow falls for 15.9 days, with typically accumulated 147mm (5.79") of snow. In Usuda, during the entire year, snow falls for 77.1 days and aggregates up to 965mm (37.99") of snow.Daylight
The month with the shortest days in Usuda is December, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 06:38 and sunset at 16:31. On the last day of December, in Usuda, sunrise is at 06:56 and sunset at 16:41 JST.
Sunshine
In December, the average sunshine is 5.9h.UV index
The average daily maximum UV index in December is 2. A UV Index of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV radiation for ordinary individuals.Note: In December, the UV index of 2 transforms into the following advice:
While most individuals can withstand prolonged sun exposure, it is imperative that babies, children, and those with sensitive skin always be shielded. Solar radiation is at its peak intensity during midday, so it's advisable to stay indoors or in the shade. By wearing a generously brimmed hat, you can cut UV radiation exposure significantly. Foresee this! The reflection from snow can nearly double the intensity of UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Usuda, Japan
- Average high temperature in December: 2.9°C
The warmest month (with the highest average high temperature) is August (26.1°C).
The month with the lowest average high temperature is January (-0.2°C).
- Average low temperature in December: -4.9°C
The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is January (-8.8°C).
Average pressure in December
Usuda, Japan
- Average pressure in December: 1017.4mbar
The month with the highest atmospheric pressure is November (1018.9mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Usuda, Japan
- Average wind speed in December: 9.1km/h
The windiest month (with the highest average wind speed) is January (9.5km/h).
The calmest month (with the lowest average wind speed) is August (5.8km/h).
Average humidity in December
Usuda, Japan
- Average humidity in December: 80%
The months with the highest relative humidity are July and September (86%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Usuda, Japan
- Average rainfall in December: 43mm
The wettest month (with the highest rainfall) is October (137mm).
The driest month (with the least rainfall) is December (43mm).
Average rainfall days in December
Usuda, Japan
- Average rainfall days in December: 15 days
The month with the highest number of rainy days is May (19.5 days).
The month with the least rainy days is January (13.3 days).
Average snowfall in December
Usuda, Japan
- Average snowfall in December: 147mm
The month with the highest snowfall is January (276mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Usuda, Japan
- Average snowfall days in December: 15.9 days
The month with the highest number of snowfall days is January (22 days).
The months with the least snowfall days are June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Usuda, 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: 5h and 54min
The month with the most sunshine is May (Average sunshine: 9h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 24min).
Average sunshine days in December
Usuda, Japan
- Average sunshine days in December: 7.7 days
The month with the most sunshine days is July (14.9 days).
The month with the least sunshine days is February (5.8 days).
Average UV index in December
Usuda, Japan
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Usuda, Japan
- Average cloud cover in December: 45
The month with the most cloud cover is September (Cloud cover 61).
The month with the least cloud cover is May (Cloud cover 44).
Average visibility in December
Usuda, Japan
- Average visibility in December: 8km
The months with the highest visibility are January, March, April, May and December (8km).
The months with the lowest visibility are July, August, September and October (6km).





