December weather forecastEchigawa, Japan

December

Weather in December

December, the first month of the winter in Echigawa, is still a chilly month, with an average temperature fluctuating between 2.7°C (36.9°F) and 8.3°C (46.9°F).

Temperature

Echigawa in December demonstrates a small temperature transition, adjusting from an average high of a mild 14.3°C (57.7°F) in November to a frosty 8.3°C (46.9°F). An average low-temperature of 2.7°C (36.9°F) is expected in Echigawa during December.

Humidity

In Echigawa, Japan, the average relative humidity in December is 80%.

Rainfall

In December, in Echigawa, Japan, the rain falls for 17.2 days. Throughout December, 54mm (2.13") of precipitation is accumulated. Throughout the year, in Echigawa, Japan, there are 203.8 rainfall days, and 1162mm (45.75") of precipitation is accumulated.

Snowfall

January through April and December are months with snowfall in Echigawa, Japan. December is the first month it typically snows. Throughout December, in the average 5.5 snowfall days, it receives 47mm (1.85") of snow. Throughout the year, there are 29.8 snowfall days, and 263mm (10.35") of snow is accumulated.

Daylight

December has the shortest days of the year in Echigawa, Japan, with an average of 9h and 48min of daylight.
On the first day of December in Echigawa, sunrise is at 06:45 and sunset at 16:43. On the last day of the month, sunrise is at 07:03 and sunset at 16:53 JST.

Sunshine

In Echigawa, the average sunshine in December is 5h.

UV index

The months with the lowest UV index are January, February and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a minimal health hazard from unprotected exposure to Sun's UV rays for the average person.
Note: In December, the UV index of 2 transforms into the following advice:
Despite the majority tolerating prolonged sun exposure, those with sensitive skin, infants, and children demand continual protection. To guard against the harmful effects of the Sun, minimize exposure during midday. A hat with a generous brim can prevent nearly 50% of UV rays from reaching your eyes. Stay alert! Snow's reflective properties can almost double the UV radiation from the Sun.

Frequently asked questions

The average high-temperature and low-temperature in Echigawa during December are 8.3°C (46.9°F) and 2.7°C (36.9°F) respectively. The average heat index (a.k.a. 'real feel', 'apparent temperature'), which combines air temperature and relative humidity, in August is appraised at 40°C (104°F).

The average relative humidity in December in Echigawa, Japan, is 80%.

In Echigawa, in December, it is raining for 17.2 days, with typically 54mm (2.13") of accumulated precipitation.

December is the first month it typically snows in Echigawa. Throughout December, in the average 5.5 snowfall days, it receives 47mm (1.85") of snow.

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

In Echigawa, Japan, the average day length in December is 9h and 50min.

On the first day of December in Echigawa, sunrise is at 06:45 and sunset at 16:43. On the last day of the month, sunrise is at 07:03 and sunset at 16:53 JST.

In Echigawa, the average sunshine duration in December is 5h.

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

In Echigawa, Japan, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to Sun's UV rays.
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
Echigawa, Japan

  • Average high temperature in December: 8.3°C

The warmest month (with the highest average high temperature) is August (30.8°C).
The month with the lowest average high temperature is January (5.8°C).

  • Average low temperature in December: 2.7°C

The month with the highest average low temperature is August (22.5°C).
The coldest month (with the lowest average low temperature) is January (0.2°C).

Average pressure in December
Echigawa, Japan

  • Average pressure in December: 1018.9mbar

The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1009mbar).

Average wind speed in December
Echigawa, Japan

  • Average wind speed in December: 8.9km/h

The windiest month (with the highest average wind speed) is January (9km/h).
The calmest month (with the lowest average wind speed) is July (6.1km/h).

Average humidity in December
Echigawa, Japan

  • Average humidity in December: 80%

The month with the highest relative humidity is July (82%).
The month with the lowest relative humidity is May (74%).

Average rainfall in December
Echigawa, Japan

  • Average rainfall in December: 54mm

The wettest month (with the highest rainfall) is July (211mm).
The driest month (with the least rainfall) is November (41mm).

Average rainfall days in December
Echigawa, Japan

  • Average rainfall days in December: 17.2 days

The month with the highest number of rainy days is July (24.3 days).
The month with the least rainy days is November (12.5 days).

Average snowfall in December
Echigawa, Japan

  • Average snowfall in December: 47mm

The month with the highest snowfall is January (121mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Echigawa, Japan

  • Average snowfall days in December: 5.5 days

The month with the highest number of snowfall days is January (11.8 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
Echigawa, 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: 5h and 0min

The month with the most sunshine is August (Average sunshine: 9h and 54min).
The month with the least sunshine is January (Average sunshine: 4h and 30min).

Average sunshine days in December
Echigawa, Japan

  • Average sunshine days in December: 8.8 days

The month with the most sunshine days is October (16 days).
The month with the least sunshine days is July (5.1 days).

Average UV index in December
Echigawa, 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
Echigawa, Japan

  • Average cloud cover in December: 47

The month with the most cloud cover is July (Cloud cover 53).
The months with the least cloud cover are May and November (Cloud cover 40).

Average visibility in December
Echigawa, Japan

  • Average visibility in December: 8km

The months with the highest visibility are January, February, March, April, May, June, August, October, November and December (8km).
The months with the lowest visibility are July and September (7km).