December weather forecastItami, Japan
December
Weather in December
December, the first month of the winter in Itami, is still a chilly month, with temperature in the range of an average low of 3.7°C (38.7°F) and an average high of 9.2°C (48.6°F).Temperature
December brings a decrease in the average high-temperature, shifting from a refreshing 15.2°C (59.4°F) in November to a chilly 9.2°C (48.6°F). During December, the nighttime temperature averages of 3.7°C (38.7°F).Humidity
In December, the average relative humidity in Itami is 77%.Rainfall
In December, in Itami, the rain falls for 14.7 days. Throughout December, 34mm (1.34") of precipitation is accumulated. In Itami, Japan, during the entire year, the rain falls for 176.4 days and collects up to 678mm (26.69") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows in Itami. Throughout December, in the average 2.7 snowfall days, it receives 16mm (0.63") of snow. Throughout the year, in Itami, Japan, there are 15.9 snowfall days, and 97mm (3.82") of snow is accumulated.Daylight
With an average of 9h and 54min of daylight, December has the shortest days of the year in Itami.On the first day of the month, sunrise is at 06:47 and sunset at 16:47. On the last day of December, sunrise is at 07:05 and sunset at 16:57 JST.
Sunshine
The average sunshine in December is 5.2h.UV index
January and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV rays for the average person.Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. A hat with a broad brim is indispensable, filtering out up to half of UV rays. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Itami, Japan
- Average high temperature in December: 9.2°C
The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (7.1°C).
- Average low temperature in December: 3.7°C
The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).
Average pressure in December
Itami, Japan
- Average pressure in December: 1019.3mbar
The month with the highest atmospheric pressure is February (1019.8mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).
Average wind speed in December
Itami, Japan
- Average wind speed in December: 9.7km/h
The windiest months (with the highest average wind speed) are January and March (10km/h).
The calmest month (with the lowest average wind speed) is June (7.9km/h).
Average humidity in December
Itami, Japan
- Average humidity in December: 77%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is May (71%).
Average rainfall in December
Itami, Japan
- Average rainfall in December: 34mm
The wettest month (with the highest rainfall) is July (117mm).
The driest month (with the least rainfall) is January (30mm).
Average rainfall days in December
Itami, Japan
- Average rainfall days in December: 14.7 days
The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is May (12.1 days).
Average snowfall in December
Itami, Japan
- Average snowfall in December: 16mm
The month with the highest snowfall is January (47mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Itami, Japan
- Average snowfall days in December: 2.7 days
The month with the highest number of snowfall days is January (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
Itami, Japan
- Average daylight in December: 9h and 54min
The month with the longest days is June (Average daylight: 14h and 30min).
The month with the shortest days is December (Average daylight: 9h and 54min).
- Average sunshine in December: 5h and 12min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).
Average sunshine days in December
Itami, Japan
- Average sunshine days in December: 11 days
The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is July (7.7 days).
Average UV index in December
Itami, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January and December (UV index 2).
Average cloud cover in December
Itami, Japan
- Average cloud cover in December: 43
The months with the most cloud cover are January and February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).
Average visibility in December
Itami, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).
