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
Weather in December
Temperature
December comes with a drop in the average high-temperature, falling from November's refreshing 16.4°C (61.5°F) to a fresh 10.5°C (50.9°F). The temperature during December sees a subtle transition from day to night, averaging a low of 5.6°C (42.1°F).Humidity
The average relative humidity in December in Iizuka is 74%.Rainfall
In Iizuka, in December, it is raining for 15.6 days, with typically 37mm (1.46") of accumulated precipitation. In Iizuka, during the entire year, the rain falls for 165.6 days and collects up to 600mm (23.62") of precipitation.Snowfall
Months with snowfall are January through March and December. December is the first month it typically snows. Throughout December, in the average 3.3 snowfall days, it receives 8mm (0.31") of snow. Throughout the year, in Iizuka, there are 11.7 snowfall days, and 42mm (1.65") of snow is accumulated.Daylight
With an average of 10h and 0min of daylight, December has the shortest days of the year in Iizuka, Japan.On the first day of the month, sunrise is at 07:03 and sunset at 17:08. On the last day of December, in Iizuka, sunrise is at 07:21 and sunset at 17:19 JST.
Sunshine
In December, the average sunshine in Iizuka is 4.3h.UV index
The months with the lowest UV index in Iizuka, Japan, are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a low threat to health from unprotected exposure to Sun's UV rays for the ordinary person.Note: In December, the maximum UV index of 2 suggests this advice:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Avoid the Sun's strongest UV rays by seeking shade and limiting exposure during midday. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Attention! Nearly twice the Sun's UV radiation can be reflected by snow.
Frequently asked questions
What are December temperatures in Iizuka?
What is the average humidity in December in Iizuka?
How much does it rain in Iizuka in December?
When does it start snowing in Iizuka?
What is the month with the shortest days in Iizuka?
What is the average length of the day in December in Iizuka?
When is the sunrise / sunset in December in Iizuka?
How many hours of sunshine does Iizuka have in December?
What are the months with the lowest UV index in Iizuka?
What is the UV index intensity in December in Iizuka?
Average temperature in December
Iizuka, Japan
- Average high temperature in December: 10.5°C
The warmest month (with the highest average high temperature) is August (30.2°C).
The month with the lowest average high temperature is January (8.3°C).
- Average low temperature in December: 5.6°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 (3.7°C).
Average pressure in December
Iizuka, Japan
- Average pressure in December: 1021.4mbar
The month with the highest atmospheric pressure is January (1021.9mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in December
Iizuka, Japan
- Average wind speed in December: 13.6km/h
The windiest months (with the highest average wind speed) are January and December (13.6km/h).
The calmest month (with the lowest average wind speed) is June (8.9km/h).
Average humidity in December
Iizuka, Japan
- Average humidity in December: 74%
The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is March (71%).
Average rainfall in December
Iizuka, Japan
- Average rainfall in December: 37mm
The wettest month (with the highest rainfall) is July (119mm).
The driest month (with the least rainfall) is January (27mm).
Average rainfall days in December
Iizuka, Japan
- Average rainfall days in December: 15.6 days
The month with the highest number of rainy days is July (20.8 days).
The month with the least rainy days is May (9.4 days).
Average snowfall in December
Iizuka, Japan
- Average snowfall in December: 8mm
The month with the highest snowfall is January (20mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Iizuka, Japan
- Average snowfall days in December: 3.3 days
The month with the highest number of snowfall days is January (5 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
Iizuka, Japan
- Average daylight in December: 10h and 0min
The month with the longest days is June (Average daylight: 14h and 18min).
The month with the shortest days is December (Average daylight: 10h and 0min).
- Average sunshine in December: 4h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 12min).
Average sunshine days in December
Iizuka, Japan
- Average sunshine days in December: 10.9 days
The month with the most sunshine days is May (20 days).
The month with the least sunshine days is July (8.3 days).
Average UV index in December
Iizuka, 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
Iizuka, Japan
- Average cloud cover in December: 53
The month with the most cloud cover is January (Cloud cover 54).
The month with the least cloud cover is August (Cloud cover 33).
Average visibility in December
Iizuka, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, September, October, November and December (10km).
The months with the lowest visibility are April, May, June, July and August (9km).
Iizuka, Japan
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