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
The arrival of December corresponds with a shift in temperature, down from a chilly 8.5°C (47.3°F) in November to a wintry 2.2°C (36°F). December nights witness a mild cool down to an average low of -2°C (28.4°F).Humidity
In Itayanagi, the average relative humidity in December is 85%.Rainfall
In Itayanagi, in December, it is raining for 10.7 days, with typically 106mm (4.17") of accumulated precipitation. Throughout the year, in Itayanagi, there are 175.2 rainfall days, and 961mm (37.83") of precipitation is accumulated.Snowfall
Months with snowfall in Itayanagi are January through April, November and December. December is the month with the most snowfall. Snow falls for 20.1 days and accumulates 486mm (19.13") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 18min of daylight.On the first day of the month, sunrise is at 06:42 and sunset at 16:11. On the last day of December, in Itayanagi, sunrise is at 07:01 and sunset at 16:20 JST.
Sunshine
The average sunshine in December in Itayanagi, Japan, is 2h.UV index
The months with the lowest UV index in Itayanagi are January, February, November and December, with an average maximum UV index of 1. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the ordinary person.Note: A maximum high daily UV index of 1 during December translates into the following directions:
Children, infants, and individuals with sensitive skin should be constantly protected from extended sun exposure. Protect yourself from the midday Sun's peak UV radiation by minimizing exposure. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Be alert to the fact! The reflection from snow can nearly double the UV radiation of the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
How cold is it in Itayanagi in December?
What is the average humidity in December in Itayanagi?
How much does it rain in Itayanagi in December?
When does it snow the most in Itayanagi?
How many days does it snow in December in Itayanagi?
What is the month with the shortest days in Itayanagi?
What is the average length of the day in December in Itayanagi?
What time are sunrise and sunset in December in Itayanagi?
How many hours of sunshine does Itayanagi have in December?
When is the lowest UV index in Itayanagi?
How high is the UV index in December in Itayanagi?
Average temperature in December
Itayanagi, Japan
- Average high temperature in December: 2.2°C
The warmest month (with the highest average high temperature) is August (26.4°C).
The month with the lowest average high temperature is January (-0.9°C).
- Average low temperature in December: -2°C
The month with the highest average low temperature is August (18.3°C).
The coldest month (with the lowest average low temperature) is February (-6.2°C).
Average pressure in December
Itayanagi, Japan
- Average pressure in December: 1014.9mbar
The month with the highest atmospheric pressure is November (1017.6mbar).
The month with the lowest atmospheric pressure is July (1008.8mbar).
Average wind speed in December
Itayanagi, Japan
- Average wind speed in December: 15.4km/h
The windiest month (with the highest average wind speed) is December (15.4km/h).
The calmest month (with the lowest average wind speed) is July (8.6km/h).
Average humidity in December
Itayanagi, Japan
- Average humidity in December: 85%
The months with the highest relative humidity are January and February (89%).
The month with the lowest relative humidity is April (77%).
Average rainfall in December
Itayanagi, Japan
- Average rainfall in December: 106mm
The wettest month (with the highest rainfall) is July (119mm).
The driest month (with the least rainfall) is May (49mm).
Average rainfall days in December
Itayanagi, Japan
- Average rainfall days in December: 10.7 days
The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is January (6.1 days).
Average snowfall in December
Itayanagi, Japan
- Average snowfall in December: 486mm
The month with the highest snowfall is December (486mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Itayanagi, Japan
- Average snowfall days in December: 20.1 days
The month with the highest number of snowfall days is January (26.3 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Itayanagi, Japan
- Average daylight in December: 9h and 2min
The month with the longest days is June (Average daylight: 15h and 0min).
The month with the shortest days is December (Average daylight: 9h and 18min).
- Average sunshine in December: 2h and 0min
The month with the most sunshine is August (Average sunshine: 8h and 54min).
The month with the least sunshine is January (Average sunshine: 1h and 24min).
Average sunshine days in December
Itayanagi, Japan
- Average sunshine days in December: 3.2 days
The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is January (2.2 days).
Average UV index in December
Itayanagi, Japan
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 1).
Average cloud cover in December
Itayanagi, Japan
- Average cloud cover in December: 80
The month with the most cloud cover is January (Cloud cover 86).
The month with the least cloud cover is September (Cloud cover 42).
Average visibility in December
Itayanagi, Japan
- Average visibility in December: 8km
The months with the highest visibility are April, May, October and November (9km).
The months with the lowest visibility are January, February and July (7km).
