December weather forecastIzutacho, Japan

December

Weather in December

The first month of the winter, December, is also a fresh month in Izutacho, Japan, with an average temperature varying between 11.7°C (53.1°F) and 6.9°C (44.4°F).

Temperature

In Izutacho, the average high-temperature in December drops from a refreshing 16.7°C (62.1°F) in November to a cool 11.7°C (53.1°F). Izutacho notes a consistent average low-temperature of 6.9°C (44.4°F) during December nights.

Humidity

In Izutacho, the average relative humidity in December is 63%.

Rainfall

The month with the least rainfall in Izutacho, Japan, is December, when the rain falls for 9 days and typically collects 40mm (1.57") of precipitation.

Snowfall

In Izutacho, 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, 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 Izutacho, the average sunshine in December is 6.2h.

UV index

The months with the lowest UV index are January through March and December, with an average maximum UV index of 3. A UV Index of 3 to 5 symbolizes a medium health hazard from unprotected exposure to Sun's UV rays for the ordinary person.
Note: The UV index of 3 during December translates into the following guidance:
Be vigilant - Suggestions to stave off sun damage are provided. Considering the strength of solar radiation at midday, one should avoid direct Sun exposure. On sunny days, it's ideal to wear sunglasses that filter out UVA and UVB rays. Guard yourself! Snow reflection can almost double the UV radiation from the Sun.

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

Frequently asked questions

The high-temperature, in December, in Izutacho, is 11.7°C (53.1°F), while the low-temperature averages to 6.9°C (44.4°F). The average heat index (a.k.a. 'real feel', 'apparent temperature'), which represents the influence of relative humidity on air temperature, in August is appraised at 36°C (96.8°F).

In December, the average relative humidity in Izutacho is 63%.

The month with the least rainfall is December, when the rain falls for 9 days and typically collects 40mm (1.57") of precipitation.

In Izutacho, during December, the rain falls for 9 days and regularly aggregates up to 40mm (1.57") of precipitation.

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

In Izutacho, 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 Izutacho, Japan.

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

On the first day of December in Izutacho, 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 Izutacho, Japan, the average sunshine duration in December is 6.2h.

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

The average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat 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

16.7°C

11.7°C

9.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

16.3km/h

17.4km/h

17.5km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

15.2

19.7

20.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Izutacho, Japan

Average high temperature in December: 11.7°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 (9.3°C).

Average low temperature in December: 6.9°C

The month with the highest average low temperature is August (25.3°C).
The coldest month (with the lowest average low temperature) is January (4°C).

Average pressure in December
Izutacho, Japan

Average pressure in December: 1016.3mbar

The month with the highest atmospheric pressure is November (1018mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

Average wind speed in December
Izutacho, Japan

Average wind speed in December: 15.6km/h

The windiest month (with the highest average wind speed) is April (17.9km/h).
The calmest month (with the lowest average wind speed) is June (14.2km/h).

Average humidity in December
Izutacho, Japan

Average humidity in December: 63%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is January (60%).

Average rainfall in December
Izutacho, Japan

Average rainfall in December: 40mm

The wettest month (with the highest rainfall) is October (126mm).
The driest month (with the least rainfall) is December (40mm).

Average rainfall days in December
Izutacho, Japan

Average rainfall days in December: 9 days

The month with the highest number of rainy days is June (16.1 days).
The month with the least rainy days is January (8.3 days).

Average snowfall in December
Izutacho, Japan

Average snowfall in December: 0mm

The month with the highest snowfall is February (22mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Izutacho, Japan

Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (1.6 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
Izutacho, 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 12min

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

Average sunshine days in December
Izutacho, Japan

Average sunshine days in December: 19.7 days

The month with the most sunshine days is January (20.8 days).
The month with the least sunshine days is October (11.7 days).

Average UV index in December
Izutacho, 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 and December (UV index 3).

Average cloud cover in December
Izutacho, Japan

Average cloud cover in December: 31

The month with the most cloud cover is October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 30).

Average visibility in December
Izutacho, 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).