December weather forecastKiryu, Japan
December
Weather in December
The first month of the winter, December, is also a frosty month in Kiryu, Japan, with an average temperature varying between 1°C (33.8°F) and 7.2°C (45°F).Temperature
A moderate decline in the average high-temperature is seen during December, decreasing from a fresh 12.9°C (55.2°F) in November to a frosty 7.2°C (45°F). Nighttime temperatures in Kiryu hover around an average low of 1°C (33.8°F) in December.Humidity
In December, the average relative humidity in Kiryu is 66%.Rainfall
In Kiryu, Japan, in December, it is raining for 7.5 days, with typically 24mm (0.94") of accumulated precipitation. In Kiryu, during the entire year, the rain falls for 175.4 days and collects up to 945mm (37.2") of precipitation.Snowfall
January through April, November and December are months with snowfall. In Kiryu, during December, snow falls for 1.5 days and regularly aggregates up to 7mm (0.28") of snow. In Kiryu, during the entire year, snow falls for 15 days and aggregates up to 139mm (5.47") of snow.Daylight
December has the shortest days of the year in Kiryu, with an average of 9h and 42min of daylight.On the first day of December in Kiryu, sunrise is at 06:35 and sunset at 16:27. On the last day of the month, sunrise is at 06:54 and sunset at 16:37 JST.
Sunshine
In Kiryu, the average sunshine in December is 6.8h.UV index
The months with the lowest UV index in Kiryu are January through March and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a low health risk from unsafe exposure to UV radiation for average individuals.Note: The maximum daily UV index of 2 in December converts 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. Considering the Sun's intensity during midday, it's wise to minimize direct exposure. For optimum UV protection, wear sun-resistant attire complemented with a hat and quality shades. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kiryu, Japan
- Average high temperature in December: 7.2°C
The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (4.8°C).
- Average low temperature in December: 1°C
The month with the highest average low temperature is August (20.7°C).
The coldest month (with the lowest average low temperature) is January (-2.1°C).
Average pressure in December
Kiryu, Japan
- Average pressure in December: 1016.9mbar
The month with the highest atmospheric pressure is November (1018.7mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).
Average wind speed in December
Kiryu, Japan
- Average wind speed in December: 9.3km/h
The windiest month (with the highest average wind speed) is January (10.3km/h).
The calmest month (with the lowest average wind speed) is July (5.6km/h).
Average humidity in December
Kiryu, Japan
- Average humidity in December: 66%
The month with the highest relative humidity is July (81%).
The month with the lowest relative humidity is January (65%).
Average rainfall in December
Kiryu, Japan
- Average rainfall in December: 24mm
The wettest month (with the highest rainfall) is July (163mm).
The driest month (with the least rainfall) is February (21mm).
Average rainfall days in December
Kiryu, Japan
- Average rainfall days in December: 7.5 days
The month with the highest number of rainy days is July (25.2 days).
The month with the least rainy days is February (7.1 days).
Average snowfall in December
Kiryu, Japan
- Average snowfall in December: 7mm
The month with the highest snowfall is February (46mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Kiryu, Japan
- Average snowfall days in December: 1.5 days
The month with the highest number of snowfall days is January (5.8 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
Kiryu, Japan
- Average daylight in December: 9h and 42min
The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 42min).
- Average sunshine in December: 6h and 48min
The month with the most sunshine is May (Average sunshine: 9h and 36min).
The month with the least sunshine is February (Average sunshine: 6h and 24min).
Average sunshine days in December
Kiryu, Japan
- Average sunshine days in December: 20.7 days
The month with the most sunshine days is December (20.7 days).
The month with the least sunshine days is July (3.3 days).
Average UV index in December
Kiryu, Japan
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 2).
Average cloud cover in December
Kiryu, Japan
- Average cloud cover in December: 27
The months with the most cloud cover are June and July (Cloud cover 48).
The months with the least cloud cover are January, November and December (Cloud cover 27).
Average visibility in December
Kiryu, Japan
- Average visibility in December: 10km
The months with the highest visibility are January, February, March, November and December (10km).
The month with the lowest visibility is July (8km).
