December weather forecastOyabe, Japan
December
Weather in December
December, the first month of the winter in Oyabe, is also a frosty month, with an average temperature ranging between min 2.6°C (36.7°F) and max 7°C (44.6°F).Temperature
As December begins, there is a decrease in the average high-temperature, falling from a moderate 13.2°C (55.8°F) in November to a chilly 7°C (44.6°F). December notes an average low temperature of 2.6°C (36.7°F) in Oyabe, subtly down from the daytime highs.Humidity
In December, the average relative humidity is 80%.Rainfall
In December, the rain falls for 17.9 days. Throughout December, 71mm (2.8") of precipitation is accumulated. Throughout the year, there are 176.3 rainfall days, and 820mm (32.28") of precipitation is accumulated.Snowfall
Months with snowfall are January through April and December. December is the first month it typically snows in Oyabe. Throughout December, in the average 4.2 snowfall days, it receives 67mm (2.64") of snow. Throughout the year, there are 23.3 snowfall days, and 332mm (13.07") of snow is accumulated.Daylight
December has the shortest days of the year in Oyabe, with an average of 9h and 42min of daylight.On the first day of December in Oyabe, sunrise is at 06:46 and sunset at 16:36. On the last day of the month, sunrise is at 07:04 and sunset at 16:46 JST.
Sunshine
In Oyabe, the average sunshine in December is 3.7h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for average individuals.Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Children necessitate constant protection from sunlight, unlike the majority, who can remain under the sun for about an hour without burning. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
Average temperature in December
Oyabe, Japan
- Average high temperature in December: 7°C
The warmest month (with the highest average high temperature) is August (29.1°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 (22.3°C).
The coldest month (with the lowest average low temperature) is January (-0.6°C).
Average pressure in December
Oyabe, Japan
- Average pressure in December: 1018.3mbar
The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1009mbar).
Average wind speed in December
Oyabe, Japan
- Average wind speed in December: 13.3km/h
The windiest month (with the highest average wind speed) is December (13.3km/h).
The calmest month (with the lowest average wind speed) is June (8km/h).
Average humidity in December
Oyabe, Japan
- Average humidity in December: 80%
The months with the highest relative humidity are January and July (82%).
The month with the lowest relative humidity is May (72%).
Average rainfall in December
Oyabe, Japan
- Average rainfall in December: 71mm
The wettest month (with the highest rainfall) is July (107mm).
The driest month (with the least rainfall) is February (44mm).
Average rainfall days in December
Oyabe, Japan
- Average rainfall days in December: 17.9 days
The month with the highest number of rainy days is July (19.4 days).
The month with the least rainy days is February (10.9 days).
Average snowfall in December
Oyabe, Japan
- Average snowfall in December: 67mm
The month with the highest snowfall is January (131mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Oyabe, Japan
- Average snowfall days in December: 4.2 days
The month with the highest number of snowfall days is January (8.4 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
Oyabe, 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: 3h and 42min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is January (Average sunshine: 3h and 24min).
Average sunshine days in December
Oyabe, Japan
- Average sunshine days in December: 9.9 days
The month with the most sunshine days is May (18 days).
The month with the least sunshine days is July (8.9 days).
Average UV index in December
Oyabe, Japan
- Average UV index in December: 1
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 1).
Average cloud cover in December
Oyabe, Japan
- Average cloud cover in December: 63
The month with the most cloud cover is January (Cloud cover 68).
The month with the least cloud cover is August (Cloud cover 31).
Average visibility in December
Oyabe, Japan
- Average visibility in December: 9km
The months with the highest visibility are March, August, September, October and November (10km).
The months with the lowest visibility are January, February, April, May, June, July and December (9km).
