December weather forecastShiraishicho, Japan

December

Weather in December

December, the first month of the winter in Shiraishicho, is also a fresh month, with an average temperature fluctuating between 11.5°C (52.7°F) and 6.4°C (43.5°F).

Temperature

December brings a decrease in the average high-temperature, falling from November's refreshing 16.5°C (61.7°F) to a fresh 11.5°C (52.7°F). Throughout December, an average low-temperature of 6.4°C (43.5°F) is experienced in Shiraishicho.

Humidity

The average relative humidity in December is 64%.

Rainfall

The month with the least rainfall is December, when the rain falls for 9.1 days and typically collects 36mm (1.42") of precipitation.

Snowfall

In Shiraishicho, snow does not fall in April through December.

Daylight

With an average of 9h and 48min of daylight, December has the shortest days of the year.
On the first day of December in Shiraishicho, Japan, sunrise is at 06:32 and sunset at 16:28. On the last day of the month, sunrise is at 06:50 and sunset at 16:38 JST.

Sunshine

In Shiraishicho, the average sunshine in December is 6.1h.

UV index

January through March, November and December, with an average maximum UV index of 3, are months with the lowest UV index. A UV Index reading of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily high UV index of 3 during December translates into the following recommendations:
Take measures. Individuals with light skin might experience burns in under 30 minutes. UV radiation from the Sun is most dangerous during midday; take precautions and seek shade. In bright sunlight, prioritize sunglasses that grant protection from UVA and UVB radiation. Heads up! The UV radiation from the Sun can almost be doubled by snow reflection.

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

Frequently asked questions

An average high-temperature, in December, in Shiraishicho, is 11.5°C (52.7°F) and the average low-temperature is 6.4°C (43.5°F). The average heat index (a.k.a. 'feels like', 'felt air temperature'), which calculates the temperature value influenced by the moisture in the air, in August is calculated to be 36°C (96.8°F).

The average relative humidity in December in Shiraishicho, Japan, is 64%.

December is the month with the least rainfall in Shiraishicho. Rain falls for 9.1 days and accumulates 36mm (1.42") of precipitation.

In Shiraishicho, Japan, during December, the rain falls for 9.1 days and regularly aggregates up to 36mm (1.42") of precipitation.

In Shiraishicho, Japan, snow does not fall in April through December.

In Shiraishicho, Japan, in December, it doesn't snow. In January, it regularly snows.

With an average of 9h and 48min of daylight, December has the shortest days of the year.

In December, the average day length in Shiraishicho, Japan, is 9h and 49min.

On the first day of December, sunrise is at 06:32 and sunset at 16:28. On the last day of the month, sunrise is at 06:50 and sunset at 16:38 JST.

In Shiraishicho, the average sunshine duration in December is 6.1h.

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

In Shiraishicho, Japan, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a moderate vulnerability from unprotected exposure to 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

16.5°C

11.5°C

8.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

15.5km/h

16.9km/h

17.4km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

16.4

20.2

20.9

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Shiraishicho, Japan

Average high temperature in December: 11.5°C

The warmest month (with the highest average high temperature) is August (29.8°C).
The month with the lowest average high temperature is January (8.9°C).

Average low temperature in December: 6.4°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3.4°C).

Average pressure in December
Shiraishicho, Japan

Average pressure in December: 1016.2mbar

The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in December
Shiraishicho, Japan

Average wind speed in December: 15km/h

The windiest month (with the highest average wind speed) is April (17.3km/h).
The calmest month (with the lowest average wind speed) is June (13.6km/h).

Average humidity in December
Shiraishicho, Japan

Average humidity in December: 64%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (61%).

Average rainfall in December
Shiraishicho, Japan

Average rainfall in December: 36mm

The wettest month (with the highest rainfall) is October (100mm).
The driest month (with the least rainfall) is December (36mm).

Average rainfall days in December
Shiraishicho, Japan

Average rainfall days in December: 9.1 days

The month with the highest number of rainy days is June (16 days).
The month with the least rainy days is January (7.5 days).

Average snowfall in December
Shiraishicho, Japan

Average snowfall in December: 0mm

The month with the highest snowfall is February (37mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Shiraishicho, Japan

Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (2 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
Shiraishicho, 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 6min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

Average sunshine days in December
Shiraishicho, Japan

Average sunshine days in December: 20.2 days

The month with the most sunshine days is January (20.9 days).
The month with the least sunshine days is June (12.3 days).

Average UV index in December
Shiraishicho, Japan

Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in December
Shiraishicho, Japan

Average cloud cover in December: 32

The months with the most cloud cover are June and October (Cloud cover 45).
The month with the least cloud cover is January (Cloud cover 31).

Average visibility in December
Shiraishicho, Japan

Average visibility in December: 10km

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