December weather forecastUtazu, Japan
December
Weather in December
The first month of the winter, December, is also a frosty month in Utazu, Japan, with an average temperature varying between 9.8°C (49.6°F) and 5.1°C (41.2°F).Temperature
With December's onset, the average high-temperature recedes from November's moderate 15.1°C (59.2°F) to a chilly 9.8°C (49.6°F). Utazu's nighttime temperatures in December display a slight drop from daytime highs, averaging to a cold 5.1°C (41.2°F).Humidity
The average relative humidity in December is 73%.Rainfall
In December, the rain falls for 12.6 days. Throughout December, 35mm (1.38") of precipitation is accumulated. Throughout the year, there are 170.9 rainfall days, and 863mm (33.98") of precipitation is accumulated.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 7mm (0.28") of snow. Throughout the year, there are 8.1 snowfall days, and 39mm (1.54") of snow is accumulated.Daylight
December has the shortest days of the year in Utazu, with an average of 9h and 54min of daylight.On the first day of December, sunrise is at 06:52 and sunset at 16:54. On the last day of the month, sunrise is at 07:10 and sunset at 17:04 JST.
Sunshine
The months with the least sunshine are January and December, with an average of 5.4h of sunshine.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the ordinary person.Note: The average daily UV index of 2 in December transforms into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. Avoiding the Sun's peak radiation during midday hours is essential for health and safety. For a sun-safe wardrobe, go for clothes that are tightly woven and generously sized. Beware! Reflection from snow can magnify the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Utazu, Japan
- Average high temperature in December: 9.8°C
The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in December: 5.1°C
The month with the highest average low temperature is August (24.1°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in December
Utazu, Japan
- Average pressure in December: 1020.1mbar
The month with the highest atmospheric pressure is January (1020.5mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).
Average wind speed in December
Utazu, Japan
- Average wind speed in December: 13.7km/h
The windiest month (with the highest average wind speed) is January (14km/h).
The calmest month (with the lowest average wind speed) is June (7.3km/h).
Average humidity in December
Utazu, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is July (81%).
The months with the lowest relative humidity are March and April (70%).
Average rainfall in December
Utazu, Japan
- Average rainfall in December: 35mm
The wettest month (with the highest rainfall) is July (145mm).
The driest month (with the least rainfall) is January (26mm).
Average rainfall days in December
Utazu, Japan
- Average rainfall days in December: 12.6 days
The month with the highest number of rainy days is July (23.3 days).
The month with the least rainy days is February (9.3 days).
Average snowfall in December
Utazu, Japan
- Average snowfall in December: 7mm
The month with the highest snowfall is February (21mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Utazu, Japan
- Average snowfall days in December: 2.3 days
The month with the highest number of snowfall days is January (3.4 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
Utazu, 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: 5h and 24min
The month with the most sunshine is August (Average sunshine: 11h and 0min).
The months with the least sunshine are January and December (Average sunshine: 5h and 24min).
Average sunshine days in December
Utazu, Japan
- Average sunshine days in December: 15 days
The month with the most sunshine days is May (18 days).
The month with the least sunshine days is July (4.8 days).
Average UV index in December
Utazu, Japan
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Utazu, Japan
- Average cloud cover in December: 40
The months with the most cloud cover are January, February and December (Cloud cover 40).
The months with the least cloud cover are May and August (Cloud cover 30).
Average visibility in December
Utazu, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, May, August, September, October, November and December (10km).
The months with the lowest visibility are April, June and July (9km).





