December weather forecastKasuga, Japan
December
Weather in December
December, the first month of the winter in Kasuga, is still a cool month, with an average temperature varying between 10.3°C (50.5°F) and 4.8°C (40.6°F).Temperature
The transition into December indicates a reduction in the average high-temperature, down to a fresh 10.3°C (50.5°F) from November's refreshing 16.3°C (61.3°F). Kasuga, during December nights, observes an average temperature of 4.8°C (40.6°F).Humidity
The average relative humidity in December is 76%.Rainfall
In Kasuga, in December, during 16.5 rainfall days, 73mm (2.87") of precipitation is typically accumulated. Throughout the year, there are 183.3 rainfall days, and 1145mm (45.08") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall in Kasuga. December is the first month it typically snows. Throughout December, in the average 3.1 snowfall days, it receives 19mm (0.75") of snow. In Kasuga, during the entire year, snow falls for 11.9 days and aggregates up to 71mm (2.8") of snow.Daylight
The month with the shortest days in Kasuga, Japan, is December, with an average of 10h and 0min of daylight.On the first day of the month, sunrise is at 07:04 and sunset at 17:10. On the last day of December, in Kasuga, sunrise is at 07:22 and sunset at 17:20 JST.
Sunshine
In December, the average sunshine in Kasuga is 4h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index reading of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.Note: The maximum daily UV index of 2 in December interprets into the following recommendations:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. Being exposed to the midday Sun can have harmful effects due to strong UV radiation; always take precautions. Enhance your sun protection with tightly woven, yet airy clothing. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Kasuga, Japan
- Average high temperature in December: 10.3°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 (8.3°C).
- Average low temperature in December: 4.8°C
The month with the highest average low temperature is August (23.5°C).
The coldest month (with the lowest average low temperature) is January (2.5°C).
Average pressure in December
Kasuga, Japan
- Average pressure in December: 1021.4mbar
The month with the highest atmospheric pressure is January (1022mbar).
The month with the lowest atmospheric pressure is June (1008.2mbar).
Average wind speed in December
Kasuga, Japan
- Average wind speed in December: 10.6km/h
The windiest months (with the highest average wind speed) are January and March (10.7km/h).
The calmest month (with the lowest average wind speed) is June (7.6km/h).
Average humidity in December
Kasuga, Japan
- Average humidity in December: 76%
The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is March (73%).
Average rainfall in December
Kasuga, Japan
- Average rainfall in December: 73mm
The wettest month (with the highest rainfall) is July (221mm).
The driest month (with the least rainfall) is January (51mm).
Average rainfall days in December
Kasuga, Japan
- Average rainfall days in December: 16.5 days
The month with the highest number of rainy days is July (22.5 days).
The month with the least rainy days is October (11.4 days).
Average snowfall in December
Kasuga, Japan
- Average snowfall in December: 19mm
The month with the highest snowfall is January (33mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Kasuga, Japan
- Average snowfall days in December: 3.1 days
The month with the highest number of snowfall days is January (5.7 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
Kasuga, 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 0min
The month with the most sunshine is August (Average sunshine: 9h and 36min).
The month with the least sunshine is January (Average sunshine: 3h and 48min).
Average sunshine days in December
Kasuga, Japan
- Average sunshine days in December: 10.2 days
The month with the most sunshine days is October (18.5 days).
The month with the least sunshine days is July (7.1 days).
Average UV index in December
Kasuga, 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
Kasuga, Japan
- Average cloud cover in December: 56
The month with the most cloud cover is January (Cloud cover 57).
The months with the least cloud cover are August and October (Cloud cover 39).
Average visibility in December
Kasuga, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, September, October, November and December (9km).
The months with the lowest visibility are June, July and August (8km).
