December weather forecastUtoma, Japan
December
Weather in December
December, the first month of the winter in Utoma, is also a wintry month, with an average temperature fluctuating between 2.3°C (36.1°F) and -1.8°C (28.8°F).Temperature
December's arrival coincides with a drop in the average high-temperature, decreasing from November's chilly 8.2°C (46.8°F) to a wintry 2.3°C (36.1°F). Utoma sustains a near constant temperature throughout December, with nighttime averages of -1.8°C (28.8°F).Humidity
In Utoma, the average relative humidity in December is 75%.Rainfall
In Utoma, Japan, during December, the rain falls for 11 days and regularly aggregates up to 27mm (1.06") of precipitation. Throughout the year, there are 131.3 rainfall days, and 303mm (11.93") of precipitation is accumulated.Snowfall
Months with snowfall are January through April, November and December. In December, in Utoma, it is snowing for 15.4 days. Throughout December, 55mm (2.17") of snow is accumulated. In Utoma, during the entire year, snow falls for 62.5 days and aggregates up to 229mm (9.02") of snow.Daylight
December has the shortest days of the year in Utoma, with an average of 9h and 12min of daylight.On the first day of December, sunrise is at 06:37 and sunset at 15:57. On the last day of the month, sunrise is at 06:56 and sunset at 16:06 JST.
Sunshine
January and December, with an average of 4.2h of sunshine, are months with the least sunshine.UV index
In December, the average daily maximum UV index in Utoma is 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Utoma, Japan
- Average high temperature in December: 2.3°C
The warmest month (with the highest average high temperature) is August (21.8°C).
The month with the lowest average high temperature is February (-1°C).
- Average low temperature in December: -1.8°C
The month with the highest average low temperature is August (18.2°C).
The coldest month (with the lowest average low temperature) is February (-5.2°C).
Average pressure in December
Utoma, Japan
- Average pressure in December: 1012.6mbar
The months with the highest atmospheric pressure are October and November (1016.1mbar).
The month with the lowest atmospheric pressure is July (1009.2mbar).
Average wind speed in December
Utoma, Japan
- Average wind speed in December: 26km/h
The windiest month (with the highest average wind speed) is December (26km/h).
The calmest month (with the lowest average wind speed) is July (11.7km/h).
Average humidity in December
Utoma, Japan
- Average humidity in December: 75%
The month with the highest relative humidity is July (89%).
The months with the lowest relative humidity are October and November (74%).
Average rainfall in December
Utoma, Japan
- Average rainfall in December: 27mm
The wettest month (with the highest rainfall) is October (41mm).
The driest month (with the least rainfall) is February (15mm).
Average rainfall days in December
Utoma, Japan
- Average rainfall days in December: 11 days
The month with the highest number of rainy days is November (13.5 days).
The month with the least rainy days is June (8.3 days).
Average snowfall in December
Utoma, Japan
- Average snowfall in December: 55mm
The month with the highest snowfall is January (67mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Utoma, Japan
- Average snowfall days in December: 15.4 days
The month with the highest number of snowfall days is January (17.3 days).
The months with the least snowfall days are May, June, July, August and September (0 days).
Average daylight in December /
Average sunshine in December
Utoma, Japan
- Average daylight in December: 9h and 12min
The month with the longest days is June (Average daylight: 15h and 12min).
The month with the shortest days is December (Average daylight: 9h and 12min).
- Average sunshine in December: 4h and 12min
The month with the most sunshine is May (Average sunshine: 9h and 12min).
The months with the least sunshine are January and December (Average sunshine: 4h and 12min).
Average sunshine days in December
Utoma, Japan
- Average sunshine days in December: 5.4 days
The month with the most sunshine days is May (18.8 days).
The month with the least sunshine days is December (5.4 days).
Average UV index in December
Utoma, Japan
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 5).
The month with the lowest UV index is January (UV index 1).
Average cloud cover in December
Utoma, Japan
- Average cloud cover in December: 54
The months with the most cloud cover are January and December (Cloud cover 54).
The month with the least cloud cover is October (Cloud cover 34).
Average visibility in December
Utoma, Japan
- Average visibility in December: 8km
The months with the highest visibility are April, September and October (10km).
The months with the lowest visibility are January and December (8km).





