December weather forecastShimoigusa, Japan

December

Weather in December

December, the first month of the winter in Shimoigusa, is still a cool month, with an average temperature fluctuating between 11.2°C (52.2°F) and 5.9°C (42.6°F).

Temperature

The arrival of December corresponds with a shift in temperature, down from a refreshing 16.5°C (61.7°F) in November to a cool 11.2°C (52.2°F). Shimoigusa witnesses a consistent average low-temperature of 5.9°C (42.6°F) throughout December.

Humidity

In December, the average relative humidity is 62%.

Rainfall

The month with the least rainfall in Shimoigusa is December, when the rain falls for 8.8 days and typically collects 21mm (0.83") of precipitation.

Snowfall

April through December are months without snowfall in Shimoigusa, Japan.

Daylight

The month with the shortest days in Shimoigusa, Japan, is December, with an average of 9h and 48min of daylight.
On the first day of December in Shimoigusa, sunrise is at 06:32 and sunset at 16:28. On the last day of the month, sunrise is at 06:51 and sunset at 16:37 JST.

Sunshine

In Shimoigusa, Japan, the average sunshine in December is 6.3h.

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 value of 3 to 5 symbolizes a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: In December, the UV index of 3 transforms into the following advice:
Exercise prudence. Persons with fair skin could be burned in under 30 minutes. Avoiding direct sun during mid-day hours can prevent harmful UV radiation exposure. Employ a wide-brim hat for potent defense against up to 50% of UV rays. Take to heart! Snow reflection can almost magnify the Sun's UV radiation twofold.

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

Frequently asked questions

The high-temperature in Shimoigusa during December is 11.2°C (52.2°F) and the low-temperature is 5.9°C (42.6°F). The average heat index (a.k.a. 'felt air temperature', 'real feel'), which combines air temperature and relative humidity, in September is evaluated at 29°C (84.2°F).

In December, the average relative humidity in Shimoigusa, Japan, is 62%.

The month with the least rainfall in Shimoigusa is December, when the rain falls for 8.8 days and typically collects 21mm (0.83") of precipitation.

In Shimoigusa, Japan, in December, it is raining for 8.8 days, with typically 21mm (0.83") of accumulated precipitation.

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

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

The month with the shortest days in Shimoigusa is December, with an average of 9h and 48min of daylight.

In December, the average day length in Shimoigusa, Japan, is 9h and 47min.

On the first day of December in Shimoigusa, Japan, sunrise is at 06:32 and sunset at 16:28. On the last day of the month, sunrise is at 06:51 and sunset at 16:37 JST.

The average sunshine duration in December in Shimoigusa is 6.3h.

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

The average daily maximum UV index in December in Shimoigusa is 3. A UV Index value of 3 to 5 symbolizes a medium hazard to health from unsafe exposure to Sun's UV rays.

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

11.2°C

8.9°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

13.3km/h

14.5km/h

14.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

16.9

20.3

21.8

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Shimoigusa, Japan

Average high temperature in December: 11.2°C

The warmest month (with the highest average high temperature) is August (31°C).
The month with the lowest average high temperature is January (8.9°C).

Average low temperature in December: 5.9°C

The month with the highest average low temperature is August (25.1°C).
The coldest month (with the lowest average low temperature) is January (2.8°C).

Average pressure in December
Shimoigusa, Japan

Average pressure in December: 1016.3mbar

The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in December
Shimoigusa, Japan

Average wind speed in December: 12.9km/h

The windiest month (with the highest average wind speed) is April (15.3km/h).
The calmest month (with the lowest average wind speed) is November (12.1km/h).

Average humidity in December
Shimoigusa, Japan

Average humidity in December: 62%

The month with the highest relative humidity is July (77%).
The month with the lowest relative humidity is January (59%).

Average rainfall in December
Shimoigusa, Japan

Average rainfall in December: 21mm

The wettest month (with the highest rainfall) is September (54mm).
The driest month (with the least rainfall) is December (21mm).

Average rainfall days in December
Shimoigusa, Japan

Average rainfall days in December: 8.8 days

The month with the highest number of rainy days is March (14.3 days).
The month with the least rainy days is January (7.3 days).

Average snowfall in December
Shimoigusa, Japan

Average snowfall in December: 0mm

The month with the highest snowfall is February (21mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Shimoigusa, Japan

Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (2.3 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
Shimoigusa, 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 18min

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 48min).

Average sunshine days in December
Shimoigusa, Japan

Average sunshine days in December: 20.3 days

The month with the most sunshine days is January (21.8 days).
The month with the least sunshine days is September (14.3 days).

Average UV index in December
Shimoigusa, 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
Shimoigusa, Japan

Average cloud cover in December: 30

The months with the most cloud cover are June and October (Cloud cover 43).
The month with the least cloud cover is January (Cloud cover 28).

Average visibility in December
Shimoigusa, 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).