December weather forecastYaizu, Japan

December weather for Yaizu, Japan: December, the first month of the winter in Yaizu, is still a cool month, with temperature in the range of an average high of 11°C (51.8°F) and an average low of 4.5°C (40.1°F). The months with the most snowfall in Yaizu are January through March and December, with an average 1mm (0.04") of accumulated snow.

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Long-term

Year J F M A M J J A S O N December

December

Weather in December

December, the first month of the winter in Yaizu, is still a cool month, with temperature in the range of an average high of 11°C (51.8°F) and an average low of 4.5°C (40.1°F).

Temperature

Yaizu's December weather shows a moderate shift in high-temperatures, falling from November's refreshing 16.3°C (61.3°F) to a fresh 11°C (51.8°F). Throughout the month of December, Yaizu witnesses an average temperature of 4.5°C (40.1°F).

Humidity

In Yaizu, the average relative humidity in December is 69%.

Rainfall

In Yaizu, Japan, in December, during 9.2 rainfall days, 44mm (1.73") of precipitation is typically accumulated. In Yaizu, during the entire year, the rain falls for 163.6 days and collects up to 1073mm (42.24") of precipitation.

Snowfall

January through March and December are months with snowfall in Yaizu. The months with the most snowfall are January through March and December, with an average 1mm (0.04") of accumulated snow.

Sea temperature

In December, the average sea temperature is 17.9°C (64.2°F).
Note: For most, swimming in 17.9°C (64.2°F) is not a pleasant activity. Breathing becomes increasingly challenging as water temperature descends from 21°C (69.8°F) to 15°C (59°F).

Daylight

With an average of 9h and 54min of daylight, December has the shortest days of the year in Yaizu.
On the first day of the month, sunrise is at 06:36 and sunset at 16:35. On the last day of December, sunrise is at 06:54 and sunset at 16:45 JST.

Sunshine

In Yaizu, Japan, the average sunshine in December is 6.5h.

UV index

January through March and December, with an average maximum UV index of 3, are months with the lowest UV index in Yaizu. A UV Index value of 3 to 5 symbolizes a medium vulnerability from exposure to the Sun's UV rays for average individuals.
Note: A maximum high daily UV index of 3 during December translates into the following directions:
Be vigilant - A duty to shield skin and eyes from injury exists. Direct exposure to the Sun's intense radiation around midday should be avoided for health reasons. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Note this! The Sun's UV radiation can nearly be doubled by the reflection off snow.

Updated: Jan 31, 2024
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate

Frequently asked questions

The average high-temperature, in December, in Yaizu, is 11°C (51.8°F), while the average low-temperature is 4.5°C (40.1°F). In August, the average heat index (a.k.a. 'apparent temperature', 'feels like'), which represents the influence of relative humidity on air temperature, is estimated at 36°C (96.8°F).

In December, the average relative humidity in Yaizu is 69%.

In Yaizu, in December, during 9.2 rainfall days, 44mm (1.73") of precipitation is typically accumulated.

The months with the most snowfall in Yaizu are January through March and December, with an average 1mm (0.04") of accumulated snow.

December is the first month it typically snows. Throughout December, in the average 0.4 snowfall days, it receives 1mm (0.04") of snow.

In Yaizu, the average seawater temperature in December is 17.9°C (64.2°F). Swimming in 17.9°C (64.2°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

December has the shortest days of the year in Yaizu, Japan, with an average of 9h and 54min of daylight.

In December, the average day length in Yaizu is 9h and 52min.

On the first day of December, sunrise is at 06:36 and sunset at 16:35. On the last day of the month, sunrise is at 06:54 and sunset at 16:45 JST.

The average sunshine duration in December in Yaizu is 6.5h.

January through March and December, with an average maximum UV index of 3, are months with the lowest UV index.

In December, the average daily maximum UV index in Yaizu, Japan, is 3. A UV Index estimate of 3 to 5 represents a moderate health threat from exposure to the Sun's UV radiation.

Today

Tomorrow

Long-term

Year J F M A M J J A S O N December

Nov

December

Jan

Average high temperature

16.3°C

11°C

8.7°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

12.1km/h

16.1km/h

17km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

0.4

Average sea temperature

Average daylight

Average sunshine

Average sunshine days

17.4

19.5

21.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Yaizu, Japan

Average high temperature in December: 11°C

The warmest month (with the highest average high temperature) is August (29.5°C).
The month with the lowest average high temperature is January (8.7°C).

Average low temperature in December: 4.5°C

The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in December
Yaizu, Japan

Average pressure in December: 1017.3mbar

The month with the highest atmospheric pressure is November (1018.4mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

Average wind speed in December
Yaizu, Japan

Average wind speed in December: 14.9km/h

The windiest month (with the highest average wind speed) is January (15.8km/h).
The calmest month (with the lowest average wind speed) is August (9.5km/h).

Average humidity in December
Yaizu, Japan

Average humidity in December: 69%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (64%).

Average rainfall in December
Yaizu, Japan

Average rainfall in December: 44mm

The wettest month (with the highest rainfall) is July (201mm).
The driest month (with the least rainfall) is January (28mm).

Average rainfall days in December
Yaizu, Japan

Average rainfall days in December: 9.2 days

The month with the highest number of rainy days is July (19.8 days).
The month with the least rainy days is January (7.2 days).

Average snowfall in December
Yaizu, Japan

Average snowfall in December: 1mm

The months with the highest snowfall are January, February, March and December (1mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Yaizu, Japan

Average snowfall days in December: 0.4 days

The month with the highest number of snowfall days is January (1 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in December
Yaizu, Japan

Average sea temperature in December: 17.9°C

The best month for swimming (with the highest average sea temperature) is August (26.6°C).
The coldest month (with the lowest average sea temperature) is February (15.4°C).

Average daylight in December /
Average sunshine in December
Yaizu, Japan

Average daylight in December: 9h and 54min

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 54min).

Average sunshine in December: 6h and 30min

The month with the most sunshine is August (Average sunshine: 10h and 48min).
The month with the least sunshine is February (Average sunshine: 6h and 12min).

Average sunshine days in December
Yaizu, Japan

Average sunshine days in December: 19.5 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is July (8.4 days).

Average UV index in December
Yaizu, Japan

Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March and December (UV index 3).

Average cloud cover in December
Yaizu, Japan

Average cloud cover in December: 24

The month with the most cloud cover is June (Cloud cover 42).
The month with the least cloud cover is January (Cloud cover 22).

Average visibility in December
Yaizu, Japan

Average visibility in December: 10km

The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (10km).
The months with the lowest visibility are June and July (9km).