December weather forecastKomuro, Japan

December

Weather in December

The first month of the winter, December, is also a fresh month in Komuro, Japan, with an average temperature varying between 10.5°C (50.9°F) and 4.4°C (39.9°F).

Temperature

Komuro, Japan, observes a minor decrease in the average high-temperature with the arrival of December, falling from November's refreshing 15.9°C (60.6°F) to a cool 10.5°C (50.9°F). December in Komuro witnesses an average low-temperature hovering around a wintry 4.4°C (39.9°F).

Humidity

In December, the average relative humidity in Komuro is 61%.

Rainfall

February and December are months with the least rain in Komuro, Japan, when the rain falls for 4.9 days and typically aggregates up to 6mm (0.24") of rain.

Snowfall

April through December are months without snowfall in Komuro.

Daylight

December has the shortest days of the year in Komuro, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 06:33 and sunset at 16:27. On the last day of December, sunrise is at 06:51 and sunset at 16:37 JST.

Sunshine

The average sunshine in December is 6.4h.

UV index

The average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV rays for the ordinary person.
Note: A typical high UV index of 3 in December suggests the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. Shield yourself from the harmful effects of UV radiation with sun-protective attire, a hat, and quality sunglasses. Take heed! The reflection of snow can intensify the Sun's UV radiation nearly double.

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

Frequently asked questions

The high-temperature, in December, in Komuro, records 10.5°C (50.9°F), while the low-temperature is 4.4°C (39.9°F). The average heat index (a.k.a. 'real feel', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in September is appraised at 30°C (86°F).

In December, the average relative humidity in Komuro, Japan, is 61%.

February and December are months with the least rain in Komuro when the rain falls for 4.9 days and typically aggregates up to 6mm (0.24") of rain.

In December, in Komuro, the rain falls for 4.9 days. Throughout December, 6mm (0.24") of precipitation is accumulated.

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

In Komuro, 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 Komuro, the average day length in December is 9h and 46min.

On the first day of December in Komuro, Japan, sunrise is at 06:33 and sunset at 16:27. On the last day of the month, sunrise is at 06:51 and sunset at 16:37 JST.

In December, the average sunshine duration in Komuro is 6.4h.

In Komuro, Japan, the average daily maximum UV index in December is 3. A UV Index value of 3 to 5 symbolizes 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

15.9°C

10.5°C

8.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

9.7km/h

11.8km/h

12.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

21.5

24.8

25.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Komuro, Japan

Average high temperature in December: 10.5°C

The warmest month (with the highest average high temperature) is August (32.3°C).
The month with the lowest average high temperature is January (8.3°C).

Average low temperature in December: 4.4°C

The month with the highest average low temperature is August (24.8°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).

Average pressure in December
Komuro, Japan

Average pressure in December: 1016.5mbar

The month with the highest atmospheric pressure is November (1018.3mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in December
Komuro, Japan

Average wind speed in December: 10.5km/h

The windiest months (with the highest average wind speed) are February and April (11.5km/h).
The calmest month (with the lowest average wind speed) is July (8.8km/h).

Average humidity in December
Komuro, Japan

Average humidity in December: 61%

The months with the highest relative humidity are June and July (73%).
The month with the lowest relative humidity is January (58%).

Average rainfall in December
Komuro, Japan

Average rainfall in December: 6mm

The wettest month (with the highest rainfall) is October (32mm).
The driest months (with the least rainfall) are February and December (6mm).

Average rainfall days in December
Komuro, Japan

Average rainfall days in December: 4.9 days

The month with the highest number of rainy days is June (10.2 days).
The month with the least rainy days is January (4.1 days).

Average snowfall in December
Komuro, 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
Komuro, Japan

Average snowfall days in December: 0.1 days

The month with the highest number of snowfall days is February (2.1 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
Komuro, Japan

Average daylight in December: 9h and 48min

The month with the longest days is June (Average daylight: 14h and 36min).
The month with the shortest days is December (Average daylight: 9h and 48min).

Average sunshine in December: 6h and 24min

The month with the most sunshine is August (Average sunshine: 9h and 42min).
The month with the least sunshine is February (Average sunshine: 6h and 0min).

Average sunshine days in December
Komuro, Japan

Average sunshine days in December: 24.8 days

The month with the most sunshine days is January (25.3 days).
The month with the least sunshine days is June (16.9 days).

Average UV index in December
Komuro, Japan

Average UV index in December: 3

The month with the highest UV index is July (UV index 7).
The month with the lowest UV index is January (UV index 2).

Average cloud cover in December
Komuro, Japan

Average cloud cover in December: 29

The month with the most cloud cover is June (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 27).

Average visibility in December
Komuro, Japan

Average visibility in December: 10km

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