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 arrival of December signals a shift in temperature, down from a cool 10°C (50°F) in November to a cold 3°C (37.4°F). December nights observe an average temperature dip to a subzero cold -3.1°C (26.4°F).Humidity
In December, the average relative humidity in Yanaizu is 89%.Rainfall
December is the month with the most rainfall. Rain falls for 15.2 days and accumulates 128mm (5.04") of precipitation.Snowfall
January through April, November and December are months with snowfall. In December, it is snowing for 19.6 days. Throughout December, 600mm (23.62") of snow is accumulated. Throughout the year, in Yanaizu, there are 89.4 snowfall days, and 2204mm (86.77") of snow is accumulated.Daylight
With an average of 9h and 36min of daylight, December has the shortest days of the year.On the first day of December in Yanaizu, sunrise is at 06:37 and sunset at 16:23. On the last day of the month, sunrise is at 06:55 and sunset at 16:32 JST.
Sunshine
The average sunshine in December is 3.5h.UV index
January, February and December, with an average maximum UV index of 1, are months with the lowest UV index in Yanaizu, Japan. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for the ordinary person.Note: A daily maximum UV index of 1 in December translates into the following instructions:
Extended time in the sun generally does not harm most, but those with sensitive skin, infants, and children should always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.
Frequently asked questions
How cold is December in Yanaizu?
What is the average humidity in December in Yanaizu?
What is the rainiest month in Yanaizu?
How many days does it rain in December in Yanaizu?
How much does it snow in Yanaizu in December?
What is the month with the shortest days in Yanaizu?
What is the average length of the day in December in Yanaizu?
What time are sunrise and sunset in December in Yanaizu?
How long on average sun shines in December in Yanaizu?
When is the lowest UV index in Yanaizu?
What is the UV index reading in December in Yanaizu?
Average temperature in December
Yanaizu, Japan
- Average high temperature in December: 3°C
The warmest month (with the highest average high temperature) is August (28.3°C).
The month with the lowest average high temperature is January (-0.3°C).
- Average low temperature in December: -3.1°C
The month with the highest average low temperature is August (18.3°C).
The coldest month (with the lowest average low temperature) is February (-6.5°C).
Average pressure in December
Yanaizu, Japan
- Average pressure in December: 1016.8mbar
The month with the highest atmospheric pressure is November (1019mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).
Average wind speed in December
Yanaizu, Japan
- Average wind speed in December: 11.5km/h
The windiest month (with the highest average wind speed) is January (12.2km/h).
The calmest month (with the lowest average wind speed) is August (6.1km/h).
Average humidity in December
Yanaizu, Japan
- Average humidity in December: 89%
The month with the highest relative humidity is January (93%).
The month with the lowest relative humidity is May (74%).
Average rainfall in December
Yanaizu, Japan
- Average rainfall in December: 128mm
The wettest month (with the highest rainfall) is December (128mm).
The driest month (with the least rainfall) is November (71mm).
Average rainfall days in December
Yanaizu, Japan
- Average rainfall days in December: 15.2 days
The month with the highest number of rainy days is July (21.6 days).
The month with the least rainy days is January (10.8 days).
Average snowfall in December
Yanaizu, Japan
- Average snowfall in December: 600mm
The month with the highest snowfall is January (757mm).
The months with the least snowfall are May, June, July, August, September and October (0mm).
Average snowfall days in December
Yanaizu, Japan
- Average snowfall days in December: 19.6 days
The month with the highest number of snowfall days is January (26.4 days).
The months with the least snowfall days are May, June, July, August, September and October (0 days).
Average daylight in December /
Average sunshine in December
Yanaizu, Japan
- Average daylight in December: 9h and 4min
The month with the longest days is June (Average daylight: 14h and 42min).
The month with the shortest days is December (Average daylight: 9h and 36min).
- Average sunshine in December: 3h and 3min
The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 48min).
Average sunshine days in December
Yanaizu, Japan
- Average sunshine days in December: 3.2 days
The month with the most sunshine days is May (11.8 days).
The month with the least sunshine days is January (1.7 days).
Average UV index in December
Yanaizu, Japan
- Average UV index in December: 1
The month with the highest UV index is July (UV index 6).
The months with the lowest UV index are January, February and December (UV index 1).
Average cloud cover in December
Yanaizu, Japan
- Average cloud cover in December: 66
The month with the most cloud cover is January (Cloud cover 73).
The month with the least cloud cover is May (Cloud cover 39).
Average visibility in December
Yanaizu, Japan
- Average visibility in December: 7km
The months with the highest visibility are April, May, June, October and November (8km).
The months with the lowest visibility are January and February (6km).
Yanaizu, Japan
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