December weather forecastKarocho, Japan

December

Weather in December

The first month of the winter, December, is still a chilly month in Karocho, Japan, with an average temperature ranging between min 3.7°C (38.7°F) and max 8.1°C (46.6°F).

Temperature

As November transitions into December, Karocho sees a drop in the average high-temperature, transitioning from a mild 13.8°C (56.8°F) to a chilly 8.1°C (46.6°F). Karocho registers a small shift from peak daytime temperatures, with a consistent average low-temperature of 3.7°C (38.7°F) during December.

Humidity

In December, the average relative humidity is 80%.

Rainfall

In Karocho, in December, it is raining for 21.4 days, with typically 86mm (3.39") of accumulated precipitation. Throughout the year, there are 209.4 rainfall days, and 1077mm (42.4") of precipitation is accumulated.

Snowfall

Months with snowfall are January through March and December. December is the first month it typically snows in Karocho. Throughout December, in the average 5.8 snowfall days, it receives 93mm (3.66") of snow. Throughout the year, there are 31.5 snowfall days, and 464mm (18.27") of snow is accumulated.

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 06:54 and sunset at 16:50. On the last day of December, in Karocho, Japan, sunrise is at 07:12 and sunset at 17:00 JST.

Sunshine

In Karocho, the average sunshine in December is 3.2h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high UV index of 2 in December translates into the following recommendations:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. The solar radiation around mid-day is intense; avoid the Sun and stay safe. Sunglasses that ward off UVA and UVB rays play a pivotal role in reducing solar eye damage. Warning! The reflection from snow can nearly magnify the Sun's UV radiation twofold.

Frequently asked questions

During December, Karocho experiences an average high-temperature of 8.1°C (46.6°F) and a low-temperature of 3.7°C (38.7°F). The average heat index (a.k.a. 'real feel', 'felt air temperature'), which factors the actual air temperature with the relative humidity, in August is evaluated at 35°C (95°F).

The average relative humidity in December is 80%.

In Karocho, during December, the rain falls for 21.4 days and regularly aggregates up to 86mm (3.39") of precipitation.

December is the first month it typically snows in Karocho, Japan. Throughout December, in the average 5.8 snowfall days, it receives 93mm (3.66") of snow.

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

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

On the first day of December in Karocho, Japan, sunrise is at 06:54 and sunset at 16:50. On the last day of the month, sunrise is at 07:12 and sunset at 17:00 JST.

In Karocho, the average sunshine duration in December is 3.2h.

The months with the lowest UV index in Karocho are January, February and December, with an average maximum UV index of 2.

In Karocho, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unprotected exposure to UV radiation.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Karocho, Japan

  • Average high temperature in December: 8.1°C

The warmest month (with the highest average high temperature) is August (28.9°C).
The month with the lowest average high temperature is January (5.5°C).

  • Average low temperature in December: 3.7°C

The month with the highest average low temperature is August (22.4°C).
The coldest month (with the lowest average low temperature) is January (1.1°C).

Average pressure in December
Karocho, Japan

  • Average pressure in December: 1019.6mbar

The month with the highest atmospheric pressure is February (1020.4mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).

Average wind speed in December
Karocho, Japan

  • Average wind speed in December: 14.8km/h

The windiest month (with the highest average wind speed) is December (14.8km/h).
The calmest month (with the lowest average wind speed) is June (8km/h).

Average humidity in December
Karocho, Japan

  • Average humidity in December: 80%

The month with the highest relative humidity is July (86%).
The months with the lowest relative humidity are April and May (75%).

Average rainfall in December
Karocho, Japan

  • Average rainfall in December: 86mm

The wettest month (with the highest rainfall) is July (158mm).
The driest month (with the least rainfall) is February (54mm).

Average rainfall days in December
Karocho, Japan

  • Average rainfall days in December: 21.4 days

The month with the highest number of rainy days is July (22.6 days).
The month with the least rainy days is May (13.3 days).

Average snowfall in December
Karocho, Japan

  • Average snowfall in December: 93mm

The month with the highest snowfall is January (191mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Karocho, Japan

  • Average snowfall days in December: 5.8 days

The month with the highest number of snowfall days is February (11 days).
The months with the least snowfall days are May, June, July, August, September, October and November (0 days).

Average daylight in December /
Average sunshine in December
Karocho, 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: 3h and 12min

The month with the most sunshine is August (Average sunshine: 9h and 48min).
The month with the least sunshine is January (Average sunshine: 2h and 36min).

Average sunshine days in December
Karocho, Japan

  • Average sunshine days in December: 4.1 days

The month with the most sunshine days is May (16 days).
The month with the least sunshine days is January (3.1 days).

Average UV index in December
Karocho, Japan

  • Average UV index in December: 2

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 2).

Average cloud cover in December
Karocho, Japan

  • Average cloud cover in December: 66

The month with the most cloud cover is January (Cloud cover 71).
The month with the least cloud cover is May (Cloud cover 36).

Average visibility in December
Karocho, Japan

  • Average visibility in December: 9km

The month with the highest visibility is November (10km).
The month with the lowest visibility is July (8km).