December weather forecastHayashi, Japan
December weather for Hayashi, Japan: December has the shortest days of the year in Hayashi, Japan, with an average of 9h and 48min of daylight. In Hayashi, during December, snow falls for 0.9 days and regularly aggregates up to 2mm (0.08") of snow.
December
Weather in December
December, the first month of the winter in Hayashi, is still a chilly month, with an average temperature ranging between max 9.7°C (49.5°F) and min 3.8°C (38.8°F).Temperature
During Hayashi's transition into December, the average high-temperature lessens, moving from a moderate 14.9°C (58.8°F) in November to a frosty 9.7°C (49.5°F). During the month of December, an average low-temperature of 3.8°C (38.8°F) is recorded.Humidity
In Hayashi, the average relative humidity in December is 67%.Rainfall
In Hayashi, in December, during 10.4 rainfall days, 50mm (1.97") of precipitation is typically accumulated. In Hayashi, Japan, during the entire year, the rain falls for 192.3 days and collects up to 1129mm (44.45") of precipitation.Snowfall
January through March, November and December are months with snowfall in Hayashi. In Hayashi, during December, snow falls for 0.9 days and regularly aggregates up to 2mm (0.08") of snow. In Hayashi, during the entire year, snow falls for 10.6 days and aggregates up to 132mm (5.2") of snow.Daylight
December has the shortest days of the year, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:31 and sunset at 16:29. On the last day of December, sunrise is at 06:49 and sunset at 16:39 JST.
Sunshine
The average sunshine in December is 6.2h.UV index
January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Hayashi. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV radiation for average individuals.Note: The average daily UV index of 2 in December transforms into the following instructions:
While many people can endure lengthy sun exposure, it remains imperative to safeguard babies, children, and fair-skinned individuals. Midday Sun has the strongest UV rays, making it crucial to limit exposure and find shade. Employ a hat with a wide brim for robust protection, cutting UV exposure by half. Take into account! The reflection from snow can nearly double the Sun's UV radiation intensity.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Hayashi, Japan
- Average high temperature in December: 9.7°C
The warmest month (with the highest average high temperature) is August (29.6°C).
The month with the lowest average high temperature is January (7.6°C).
- Average low temperature in December: 3.8°C
The month with the highest average low temperature is August (23°C).
The coldest month (with the lowest average low temperature) is January (0.5°C).
Average pressure in December
Hayashi, Japan
- Average pressure in December: 1016.5mbar
The month with the highest atmospheric pressure is November (1018.2mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Hayashi, Japan
- Average wind speed in December: 10.4km/h
The windiest month (with the highest average wind speed) is April (12.7km/h).
The calmest month (with the lowest average wind speed) is November (9.9km/h).
Average humidity in December
Hayashi, Japan
- Average humidity in December: 67%
The months with the highest relative humidity are June and July (80%).
The month with the lowest relative humidity is January (64%).
Average rainfall in December
Hayashi, Japan
- Average rainfall in December: 50mm
The wettest month (with the highest rainfall) is October (158mm).
The driest month (with the least rainfall) is January (49mm).
Average rainfall days in December
Hayashi, Japan
- Average rainfall days in December: 10.4 days
The month with the highest number of rainy days is June (21.2 days).
The month with the least rainy days is January (9.8 days).
Average snowfall in December
Hayashi, Japan
- Average snowfall in December: 2mm
The month with the highest snowfall is February (69mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).
Average snowfall days in December
Hayashi, Japan
- Average snowfall days in December: 0.9 days
The month with the highest number of snowfall days is February (4.5 days).
The months with the least snowfall days are April, May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Hayashi, 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 12min
The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).
Average sunshine days in December
Hayashi, Japan
- Average sunshine days in December: 17.7 days
The month with the most sunshine days is December (17.7 days).
The month with the least sunshine days is June (6.8 days).
Average UV index in December
Hayashi, 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, February and December (UV index 2).
Average cloud cover in December
Hayashi, Japan
- Average cloud cover in December: 31
The month with the most cloud cover is June (Cloud cover 47).
The month with the least cloud cover is January (Cloud cover 30).
Average visibility in December
Hayashi, Japan
- Average visibility in December: 10km
The months with the highest visibility are January and December (10km).
The months with the lowest visibility are February, March, April, May, June, July, August, September, October and November (9km).
