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
Weather in December
Temperature
The shift from November to December involves a decrease in the average high-temperature, from a moderate 14.9°C (58.8°F) to a chilly 8.7°C (47.7°F). In December, Yaotsu experiences an average nighttime temperature of 1.5°C (34.7°F).Humidity
In December, the average relative humidity is 76%.Rainfall
In Yaotsu, in December, it is raining for 14 days, with typically 59mm (2.32") of accumulated precipitation. Throughout the year, there are 145.5 rainfall days, and 996mm (39.21") of precipitation is accumulated.Snowfall
January through March and December are months with snowfall. December is the first month it typically snows in Yaotsu. Throughout December, in the average 4.2 snowfall days, it receives 36mm (1.42") of snow. In Yaotsu, during the entire year, snow falls for 16.8 days and aggregates up to 130mm (5.12") of snow.Daylight
The month with the shortest days in Yaotsu is December, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:42 and sunset at 16:38. On the last day of December, sunrise is at 07:00 and sunset at 16:48 JST.
Sunshine
In December, the average sunshine in Yaotsu is 6h.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 minimal health hazard from exposure to the Sun's UV radiation for the average person.Note: In December, the UV index of 2 transforms into the following advice:
Children must always have sun protection, unlike most people, who can tolerate up to an hour in the sun without any burns. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. For excellent sun protection for the eyes, ears, face, and neck, consider a wide-brim hat. On your guard! Snow's reflection can almost double the intensity of the Sun's UV radiation.
Frequently asked questions
What are the temperatures in Yaotsu in December?
What is the average humidity in December in Yaotsu?
How much does it rain in Yaotsu in December?
When does it start snowing in Yaotsu?
What is the month with the shortest days in Yaotsu?
How many hours of daylight does Yaotsu have in December?
When are sunrise and sunset in December in Yaotsu?
How long on average sun shines in December in Yaotsu?
When is the lowest UV index in Yaotsu?
How high is the UV index in December in Yaotsu?
Average temperature in December
Yaotsu, Japan
- Average high temperature in December: 8.7°C
The warmest month (with the highest average high temperature) is August (31.7°C).
The month with the lowest average high temperature is January (6.3°C).
- Average low temperature in December: 1.5°C
The month with the highest average low temperature is August (22.1°C).
The coldest month (with the lowest average low temperature) is January (-1.5°C).
Average pressure in December
Yaotsu, Japan
- Average pressure in December: 1018.4mbar
The month with the highest atmospheric pressure is November (1019.2mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).
Average wind speed in December
Yaotsu, Japan
- Average wind speed in December: 7.3km/h
The windiest month (with the highest average wind speed) is March (8.3km/h).
The calmest months (with the lowest average wind speed) are July and August (6.2km/h).
Average humidity in December
Yaotsu, Japan
- Average humidity in December: 76%
The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is May (70%).
Average rainfall in December
Yaotsu, Japan
- Average rainfall in December: 59mm
The wettest month (with the highest rainfall) is July (138mm).
The driest month (with the least rainfall) is January (42mm).
Average rainfall days in December
Yaotsu, Japan
- Average rainfall days in December: 14 days
The month with the highest number of rainy days is March (14.7 days).
The month with the least rainy days is November (9.6 days).
Average snowfall in December
Yaotsu, Japan
- Average snowfall in December: 36mm
The month with the highest snowfall is January (57mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).
Average snowfall days in December
Yaotsu, Japan
- Average snowfall days in December: 4.2 days
The month with the highest number of snowfall days is January (6.8 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
Yaotsu, Japan
- Average daylight in December: 9h and 5min
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 0min
The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).
Average sunshine days in December
Yaotsu, Japan
- Average sunshine days in December: 12.4 days
The month with the most sunshine days is August (19.3 days).
The month with the least sunshine days is December (12.4 days).
Average UV index in December
Yaotsu, 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
Yaotsu, Japan
- Average cloud cover in December: 37
The month with the most cloud cover is July (Cloud cover 46).
The month with the least cloud cover is November (Cloud cover 31).
Average visibility in December
Yaotsu, Japan
- Average visibility in December: 9km
The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).
Yaotsu, Japan
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