December weather forecastIju, Japan
December
Weather in December
The first month of the winter, December, is still a pleasant month in Iju, Japan, with temperature in the range of an average low of 18.7°C (65.7°F) and an average high of 20.6°C (69.1°F).Temperature
The transition into December subtly indicates a reduction in the average high-temperature, down to an agreeable 20.6°C (69.1°F) from November's moderately hot 24°C (75.2°F). Recording a slight drop from the daily maximum, Iju notes an average low temperature of 18.7°C (65.7°F) in the month of December.Humidity
The average relative humidity in December in Iju is 73%.Rainfall
In Iju, in December, it is raining for 20.7 days, with typically 77mm (3.03") of accumulated precipitation. In Iju, during the entire year, the rain falls for 228 days and collects up to 1405mm (55.31") of precipitation.Daylight
December has the shortest days of the year in Iju, with an average of 10h and 30min of daylight.On the first day of December in Iju, sunrise is at 06:59 and sunset at 17:36. On the last day of the month, sunrise is at 07:16 and sunset at 17:47 JST.
Sunshine
In December, the average sunshine is 4.4h.UV index
With an average maximum UV index of 4, December is the month with the lowest UV index. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV rays for average individuals.Note: The maximum UV index, 4 during December, leads to the following recommendations:
Heed the precautions - Protecting the skin and eyes from damage is compulsory. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Iju, Japan
- Average high temperature in December: 20.6°C
The warmest month (with the highest average high temperature) is August (29.4°C).
The month with the lowest average high temperature is January (19°C).
- Average low temperature in December: 18.7°C
The month with the highest average low temperature is August (28.3°C).
The coldest month (with the lowest average low temperature) is January (16.8°C).
Average pressure in December
Iju, Japan
- Average pressure in December: 1019.8mbar
The month with the highest atmospheric pressure is January (1020.8mbar).
The month with the lowest atmospheric pressure is August (1006.6mbar).
Average wind speed in December
Iju, Japan
- Average wind speed in December: 27.9km/h
The windiest month (with the highest average wind speed) is December (27.9km/h).
The calmest month (with the lowest average wind speed) is May (19.8km/h).
Average humidity in December
Iju, Japan
- Average humidity in December: 73%
The month with the highest relative humidity is June (87%).
The month with the lowest relative humidity is January (72%).
Average rainfall in December
Iju, Japan
- Average rainfall in December: 77mm
The wettest month (with the highest rainfall) is June (207mm).
The driest month (with the least rainfall) is February (58mm).
Average rainfall days in December
Iju, Japan
- Average rainfall days in December: 20.7 days
The months with the highest number of rainy days are January and June (21.5 days).
The month with the least rainy days is April (16.4 days).
Average daylight in December /
Average sunshine in December
Iju, Japan
- Average daylight in December: 10h and 30min
The month with the longest days is June (Average daylight: 13h and 48min).
The month with the shortest days is December (Average daylight: 10h and 30min).
- Average sunshine in December: 4h and 24min
The month with the most sunshine is July (Average sunshine: 10h and 30min).
The month with the least sunshine is January (Average sunshine: 4h and 18min).
Average sunshine days in December
Iju, Japan
- Average sunshine days in December: 6.4 days
The month with the most sunshine days is April (11.3 days).
The month with the least sunshine days is January (6 days).
Average UV index in December
Iju, Japan
- Average UV index in December: 4
The months with the highest UV index are June, July, August and September (UV index 7).
The month with the lowest UV index is December (UV index 4).
Average cloud cover in December
Iju, Japan
- Average cloud cover in December: 58
The month with the most cloud cover is January (Cloud cover 63).
The month with the least cloud cover is July (Cloud cover 34).
Average visibility in December
Iju, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
The months with the lowest visibility are January, February, March, April, May, June, July, August, September, October, November and December (10km).
