December weather forecastNirasaki, Japan
December
Weather in December
The first month of the winter, December, is still a chilly month in Nirasaki, Japan, with an average temperature fluctuating between -2.6°C (27.3°F) and 6.7°C (44.1°F).Temperature
The beginning of December marks a decrease in the average high-temperature, transitioning from a fresh 12.5°C (54.5°F) in November to a frosty 6.7°C (44.1°F). The temperature in Nirasaki, Japan, lowers to an average of -2.6°C (27.3°F) during December nights.Humidity
The average relative humidity in December is 71%.Rainfall
In Nirasaki, during December, the rain falls for 11.5 days and regularly aggregates up to 49mm (1.93") of precipitation. In Nirasaki, Japan, during the entire year, the rain falls for 212.1 days and collects up to 1152mm (45.35") of precipitation.Snowfall
January through April and December are months with snowfall in Nirasaki. December is the first month it typically snows in Nirasaki. Throughout December, in the average 2.5 snowfall days, it receives 21mm (0.83") of snow. Throughout the year, in Nirasaki, there are 19.6 snowfall days, and 192mm (7.56") of snow is accumulated.Daylight
December has the shortest days of the year in Nirasaki, with an average of 9h and 48min of daylight.On the first day of December in Nirasaki, sunrise is at 06:37 and sunset at 16:32. On the last day of the month, sunrise is at 06:55 and sunset at 16:42 JST.
Sunshine
In December, the average sunshine is 6.8h.UV index
The months with the lowest UV index in Nirasaki, Japan, are January, February, November and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a minimal health hazard from unprotected exposure to Sun's UV rays for average individuals.Note: The UV index of 2 during December translates into the following guidance:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The intensity of the Sun's UV radiation during midday suggests reducing time spent outdoors. Boost your sun resistance with garments that are densely woven yet spacious. Alert! The snow's reflection can amplify the UV radiation of the Sun nearly twice.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Nirasaki, Japan
- Average high temperature in December: 6.7°C
The warmest month (with the highest average high temperature) is August (27.5°C).
The month with the lowest average high temperature is January (3.8°C).
- Average low temperature in December: -2.6°C
The month with the highest average low temperature is August (17.3°C).
The coldest month (with the lowest average low temperature) is January (-6.1°C).
Average pressure in December
Nirasaki, Japan
- Average pressure in December: 1017.2mbar
The month with the highest atmospheric pressure is November (1018.6mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Nirasaki, Japan
- Average wind speed in December: 7.8km/h
The windiest month (with the highest average wind speed) is January (8.1km/h).
The calmest month (with the lowest average wind speed) is August (5.6km/h).
Average humidity in December
Nirasaki, Japan
- Average humidity in December: 71%
The months with the highest relative humidity are July and September (83%).
The month with the lowest relative humidity is January (69%).
Average rainfall in December
Nirasaki, Japan
- Average rainfall in December: 49mm
The wettest month (with the highest rainfall) is October (170mm).
The driest month (with the least rainfall) is January (38mm).
Average rainfall days in December
Nirasaki, Japan
- Average rainfall days in December: 11.5 days
The month with the highest number of rainy days is August (24.3 days).
The month with the least rainy days is January (11.3 days).
Average snowfall in December
Nirasaki, Japan
- Average snowfall in December: 21mm
The month with the highest snowfall is February (88mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Nirasaki, Japan
- Average snowfall days in December: 2.5 days
The month with the highest number of snowfall days is January (8.2 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).
Average daylight in December /
Average sunshine in December
Nirasaki, Japan
- Average daylight in December: 9h and 48min
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 48min).
- Average sunshine in December: 6h and 48min
The month with the most sunshine is May (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 6h and 18min).
Average sunshine days in December
Nirasaki, Japan
- Average sunshine days in December: 15.4 days
The month with the most sunshine days is December (15.4 days).
The month with the least sunshine days is June (4 days).
Average UV index in December
Nirasaki, Japan
- Average UV index in December: 2
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February, November and December (UV index 2).
Average cloud cover in December
Nirasaki, Japan
- Average cloud cover in December: 28
The months with the most cloud cover are June and July (Cloud cover 49).
The month with the least cloud cover is January (Cloud cover 25).
Average visibility in December
Nirasaki, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, November and December (9km).
The month with the lowest visibility is September (7km).
