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
December
Weather in December
Temperature
The beginning of December involves a decrease in the average high-temperature, transitioning from a moderate 14.2°C (57.6°F) in November to a frosty 8.5°C (47.3°F). In Nakabayashi, the nighttime temperature shows a slight difference from the daytime high, averaging to an icy 5°C (41°F) during December.Humidity
In Nakabayashi, the average relative humidity in December is 75%.Rainfall
In Nakabayashi, during December, the rain falls for 19.7 days and regularly aggregates up to 89mm (3.5") of precipitation. Throughout the year, there are 168.8 rainfall days, and 796mm (31.34") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 5.1 snowfall days, it receives 89mm (3.5") of snow. Throughout the year, there are 30.3 snowfall days, and 455mm (17.91") of snow is accumulated.Daylight
December has the shortest days of the year, with an average of 9h and 42min of daylight.On the first day of the month, sunrise is at 06:46 and sunset at 16:38. On the last day of December, sunrise is at 07:05 and sunset at 16:47 JST.
Sunshine
In December, the average sunshine is 3.3h.UV index
The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for the ordinary person.Note: The UV index of 2 in December translates into these instructions:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. For health reasons, it's advisable to reduce direct sun exposure during peak hours around midday. Sun-related eye harm can be minimized with proper sunglasses offering UVA and UVB coverage. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
What are the temperatures in December?
What is the average humidity in December?
How much does it rain in Nakabayashi in December?
When does it start to snow?
What is the month with the shortest days?
What is the average length of the day in December?
What time are sunrise and sunset in December?
How many hours of sunshine does Nakabayashi have in December?
When is the lowest UV index?
What is the UV index reading in December?
Average temperature in December
Nakabayashi, Japan
- Average high temperature in December: 8.5°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 (5.7°C).
- Average low temperature in December: 5°C
The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is February (2°C).
Average pressure in December
Nakabayashi, Japan
- Average pressure in December: 1018.5mbar
The month with the highest atmospheric pressure is February (1019.7mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in December
Nakabayashi, Japan
- Average wind speed in December: 19.1km/h
The windiest month (with the highest average wind speed) is December (19.1km/h).
The calmest month (with the lowest average wind speed) is June (10.6km/h).
Average humidity in December
Nakabayashi, Japan
- Average humidity in December: 75%
The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is April (70%).
Average rainfall in December
Nakabayashi, Japan
- Average rainfall in December: 89mm
The wettest month (with the highest rainfall) is July (101mm).
The driest month (with the least rainfall) is May (32mm).
Average rainfall days in December
Nakabayashi, Japan
- Average rainfall days in December: 19.7 days
The month with the highest number of rainy days is December (19.7 days).
The month with the least rainy days is May (10.2 days).
Average snowfall in December
Nakabayashi, Japan
- Average snowfall in December: 89mm
The month with the highest snowfall is January (189mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Nakabayashi, Japan
- Average snowfall days in December: 5.1 days
The month with the highest number of snowfall days is January (11.7 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
Nakabayashi, Japan
- Average daylight in December: 9h and 4min
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: 3h and 2min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Nakabayashi, Japan
- Average sunshine days in December: 7 days
The month with the most sunshine days is May (19.4 days).
The month with the least sunshine days is January (6.9 days).
Average UV index in December
Nakabayashi, Japan
- Average UV index in December: 2
The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January, February and December (UV index 2).
Average cloud cover in December
Nakabayashi, Japan
- Average cloud cover in December: 67
The month with the most cloud cover is January (Cloud cover 72).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Nakabayashi, Japan
- Average visibility in December: 9km
The months with the highest visibility are March, April, May, June, July, August, September, October and November (10km).
The months with the lowest visibility are January, February and December (9km).
