December weather forecastKamisu, Japan

December

Weather in December

The first month of the winter, December, is still a cool month in Kamisu, Japan, with an average temperature fluctuating between 11.7°C (53.1°F) and 7.7°C (45.9°F).

Temperature

The commencement of December includes a gentle temperature shift, with the average high-temperature dropping a bit from an enjoyable 16.5°C (61.7°F) in November to a fresh 11.7°C (53.1°F). Kamisu, during December nights, experiences a subtle shift to a low average of 7.7°C (45.9°F) from the day's heat.

Humidity

The average relative humidity in December in Kamisu is 65%.

Rainfall

In December, in Kamisu, the rain falls for 12.7 days. Throughout December, 41mm (1.61") of precipitation is accumulated. Throughout the year, in Kamisu, there are 173.3 rainfall days, and 668mm (26.3") of precipitation is accumulated.

Snowfall

In Kamisu, snow does not fall in March 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 the month, sunrise is at 06:29 and sunset at 16:23. On the last day of December, in Kamisu, sunrise is at 06:47 and sunset at 16:33 JST.

Sunshine

In Kamisu, the average sunshine in December is 5.8h.

UV index

The months with the lowest UV index in Kamisu are January through March, November and December, with an average maximum UV index of 3. A UV Index estimate of 3 to 5 represents a moderate threat to health from unsafe exposure to UV radiation for the average person.
Note: In December, the maximum UV index of 3 suggests these recommendations:
Prioritize safety - Recommendations to avert sunburn are shared. The best time to avoid the Sun's harmful UV radiation is during midday when it's most potent. A wide-brimmed hat is a shield, deflecting up to 50% of harmful UV radiation from eyes.

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

Frequently asked questions

The high-temperature, in December, in Kamisu, is 11.7°C (53.1°F), while the low-temperature averages to 7.7°C (45.9°F). In August, the average heat index (a.k.a. 'real feel', 'felt air temperature'), which combines air temperature and relative humidity, is appraised at 34°C (93.2°F).

The average relative humidity in December is 65%.

In Kamisu, Japan, during December, the rain falls for 12.7 days and regularly aggregates up to 41mm (1.61") of precipitation.

March through December are months without snowfall.

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

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

The average day length in December in Kamisu, Japan, is 9h and 47min.

In December, on the first day of the month, sunrise is at 06:29 and sunset at 16:23. On the last day of the month, sunrise is at 06:47 and sunset at 16:33 JST.

The average sunshine duration in December is 5.8h.

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

In December, the average daily maximum UV index is 3. A UV Index reading of 3 to 5 represents 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

11.7°C

9.3°C

Average low temperature

Average pressure

Average wind speed

Average max. wind speed

19.1km/h

20.8km/h

20.7km/h

Average wind speed gusts

Average humidity

Average rainfall

Average rainfall days

Average snowfall

Average snowfall days

Average daylight

Average sunshine

Average sunshine days

11.8

17.3

Average UV index

Average cloud cover

Average visibility

Average temperature in December
Kamisu, Japan

Average high temperature in December: 11.7°C

The warmest month (with the highest average high temperature) is August (28.5°C).
The month with the lowest average high temperature is January (9.3°C).

Average low temperature in December: 7.7°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 (4.8°C).

Average pressure in December
Kamisu, Japan

Average pressure in December: 1015.8mbar

The month with the highest atmospheric pressure is November (1017.9mbar).
The month with the lowest atmospheric pressure is June (1009.3mbar).

Average wind speed in December
Kamisu, Japan

Average wind speed in December: 19.2km/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 (15.2km/h).

Average humidity in December
Kamisu, Japan

Average humidity in December: 65%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (61%).

Average rainfall in December
Kamisu, Japan

Average rainfall in December: 41mm

The wettest month (with the highest rainfall) is October (79mm).
The driest month (with the least rainfall) is January (33mm).

Average rainfall days in December
Kamisu, Japan

Average rainfall days in December: 12.7 days

The month with the highest number of rainy days is October (17.7 days).
The month with the least rainy days is January (10.2 days).

Average snowfall in December
Kamisu, Japan

Average snowfall in December: 0mm

The month with the highest snowfall is February (11mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Kamisu, Japan

Average snowfall days in December: 0 days

The month with the highest number of snowfall days is February (1.4 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October, November and December (0 days).

Average daylight in December /
Average sunshine in December
Kamisu, 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: 5h and 48min

The month with the most sunshine is August (Average sunshine: 10h and 24min).
The month with the least sunshine is February (Average sunshine: 5h and 12min).

Average sunshine days in December
Kamisu, Japan

Average sunshine days in December: 15 days

The month with the most sunshine days is January (17.3 days).
The month with the least sunshine days is October (10.8 days).

Average UV index in December
Kamisu, Japan

Average UV index in December: 3

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January, February, March, November and December (UV index 3).

Average cloud cover in December
Kamisu, Japan

Average cloud cover in December: 35

The months with the most cloud cover are March, June and October (Cloud cover 46).
The month with the least cloud cover is January (Cloud cover 33).

Average visibility in December
Kamisu, Japan

Average visibility in December: 10km

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