Contents
- Weather in December
- Frequently asked questions
- Average temperature in December
- Average pressure in December
- Average wind speed in December
- Average humidity in December
- Average rainfall in December
- Average rainfall days in December
- Average snowfall in December
- Average snowfall days in December
- Average daylight in December
- Average sunshine in December
- Average sunshine days in December
- Average UV index in December
- Average cloud cover in December
- Average visibility in December
December
Weather in December
Temperature
Utsumi's December weather features a mild decline in high-temperatures, reducing from an enjoyable 16.3°C (61.3°F) in November to a cool 10.4°C (50.7°F). Utsumi experiences an average nighttime temperature of 5.4°C (41.7°F) in December, reflecting a minor difference from the day's peak.Humidity
The average relative humidity in December is 72%.Rainfall
In December, in Utsumi, Japan, the rain falls for 10.5 days. Throughout December, 40mm (1.57") of precipitation is accumulated. Throughout the year, in Utsumi, there are 156 rainfall days, and 899mm (35.39") of precipitation is accumulated.Snowfall
Months with snowfall in Utsumi are January, February and December. December is the first month it typically snows. Throughout December, in the average 1.1 snowfall days, it receives 5mm (0.2") of snow. In Utsumi, during the entire year, snow falls for 5.3 days and aggregates up to 28mm (1.1") of snow.Daylight
The month with the shortest days in Utsumi is December, with an average of 9h and 54min of daylight.On the first day of the month, sunrise is at 06:41 and sunset at 16:41. On the last day of December, sunrise is at 06:59 and sunset at 16:51 JST.
Sunshine
In December, the average sunshine is 6.1h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low threat to health from exposure to the Sun's UV rays for ordinary individuals.Note: In December, the average maximum UV index of 2 translates into the following recommendations:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit. Be mindful! The reflection from snow can increase the Sun's UV radiation nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in Utsumi in December?
What is the average humidity in December in Utsumi?
How many days does it rain in December in Utsumi?
When does it start to snow in Utsumi?
What is the month with the shortest days in Utsumi?
What is the average length of the day in December in Utsumi?
When are sunrise and sunset in December in Utsumi?
How many hours of sunshine does Utsumi have in December?
What is the month with the lowest UV index in Utsumi?
What is the UV index reading in December in Utsumi?
Average temperature in December
Utsumi, Japan
- Average high temperature in December: 10.4°C
The warmest month (with the highest average high temperature) is August (31.4°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in December: 5.4°C
The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).
Average pressure in December
Utsumi, Japan
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in December
Utsumi, Japan
- Average wind speed in December: 14.1km/h
The windiest month (with the highest average wind speed) is January (14.3km/h).
The calmest month (with the lowest average wind speed) is July (9.1km/h).
Average humidity in December
Utsumi, Japan
- Average humidity in December: 72%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is February (69%).
Average rainfall in December
Utsumi, Japan
- Average rainfall in December: 40mm
The wettest month (with the highest rainfall) is July (161mm).
The driest month (with the least rainfall) is January (27mm).
Average rainfall days in December
Utsumi, Japan
- Average rainfall days in December: 10.5 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (8.6 days).
Average snowfall in December
Utsumi, Japan
- Average snowfall in December: 5mm
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
Utsumi, Japan
- Average snowfall days in December: 1.1 days
The month with the highest number of snowfall days is January (2.7 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
Utsumi, Japan
- Average daylight in December: 9h and 5min
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: 6h and 1min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in December
Utsumi, Japan
- Average sunshine days in December: 17.4 days
The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (7.8 days).
Average UV index in December
Utsumi, 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
Utsumi, Japan
- Average cloud cover in December: 32
The month with the most cloud cover is July (Cloud cover 43).
The month with the least cloud cover is November (Cloud cover 31).
Average visibility in December
Utsumi, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, November and December (10km).
The months with the lowest visibility are April, May, June, July, August, September and October (9km).
