December weather forecastIkego, Japan

December

Weather in December

December, the first month of the winter in Ikego, is still a cool month, with an average temperature varying between 12.5°C (54.5°F) and 8.4°C (47.1°F).

Temperature

The arrival of December corresponds with a light shift in temperature, down from an enjoyable 17.1°C (62.8°F) in November to a fresh 12.5°C (54.5°F). Throughout December, Ikego records a steady low-temperature average of 8.4°C (47.1°F), a minor decrease from its daytime counterpart.

Humidity

In December, the average relative humidity in Ikego is 64%.

Rainfall

February and December are months with the least rain when the rain falls for 8.7 days and typically aggregates up to 39mm (1.54") of rain.

Snowfall

April through December are months without snowfall.

Daylight

The month with the shortest days in Ikego is December, with an average of 9h and 48min of daylight.
On the first day of December in Ikego, sunrise is at 06:31 and sunset at 16:29. On the last day of the month, sunrise is at 06:50 and sunset at 16:39 JST.

Sunshine

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

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 3. A UV Index reading of 3 to 5 represents a medium health hazard from exposure to the Sun's UV rays for ordinary individuals.
Note: The maximum daily UV index of 3 during December translates into the following directions:
Undertake precautions - Obligation exists to protect against skin and eye damage. To protect against the Sun's most potent rays, avoid direct exposure around midday. Outfit yourself in sun-safe attire, like long sleeves, pants, a hat, and UV-blocking sunglasses.

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

Frequently asked questions

The average high-temperature and low-temperature in Ikego during December are 12.5°C (54.5°F) and 8.4°C (47.1°F) respectively. In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which combines relative humidity and air temperature, is evaluated at 34°C (93.2°F).

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

The months with the least rainfall are February and December Rain falls for 8.7 days and accumulates 39mm (1.54") of rain.

In Ikego, Japan, in December, during 8.7 rainfall days, 39mm (1.54") of precipitation is typically accumulated.

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

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

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

The average day length in December in Ikego, Japan, is 9h and 50min.

On the first day of December, sunrise is at 06:31 and sunset at 16:29. On the last day of the month, sunrise is at 06:50 and sunset at 16:39 JST.

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

January, February and December, with an average maximum UV index of 3, are months with the lowest UV index in Ikego, Japan.

In Ikego, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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

17.1°C

12.5°C

9.8°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

19.3km/h

21.2km/h

20.9km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

15.2

21.3

23.2

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Ikego, Japan

Average high temperature in December: 12.5°C

The warmest month (with the highest average high temperature) is August (28.8°C).
The month with the lowest average high temperature is January (9.8°C).

Average low temperature in December: 8.4°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 (5.3°C).

Average pressure in December
Ikego, Japan

Average pressure in December: 1016.2mbar

The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

Average wind speed in December
Ikego, Japan

Average wind speed in December: 19.1km/h

The windiest month (with the highest average wind speed) is March (20.8km/h).
The calmest month (with the lowest average wind speed) is June (15.9km/h).

Average humidity in December
Ikego, Japan

Average humidity in December: 64%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is January (61%).

Average rainfall in December
Ikego, Japan

Average rainfall in December: 39mm

The wettest month (with the highest rainfall) is October (119mm).
The driest months (with the least rainfall) are February and December (39mm).

Average rainfall days in December
Ikego, Japan

Average rainfall days in December: 8.7 days

The month with the highest number of rainy days is June (16.5 days).
The month with the least rainy days is January (6.5 days).

Average snowfall in December
Ikego, Japan

Average snowfall in December: 0mm

The month with the highest snowfall is February (10mm).
The months with the least snowfall are April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Ikego, Japan

Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (0.5 days).
The months with the least snowfall days are April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Ikego, 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 42min).
The month with the least sunshine is February (Average sunshine: 5h and 30min).

Average sunshine days in December
Ikego, Japan

Average sunshine days in December: 21.3 days

The month with the most sunshine days is January (23.2 days).
The month with the least sunshine days is June (11.4 days).

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

Average cloud cover in December
Ikego, Japan

Average cloud cover in December: 31

The months with the most cloud cover are March, June and October (Cloud cover 43).
The month with the least cloud cover is August (Cloud cover 29).

Average visibility in December
Ikego, 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).