December weather forecastYumenoshima, Japan

December weather for Yumenoshima, Japan: The first month of the winter, December, is still a cool month in Yumenoshima, Japan, with an average temperature varying between 11.2°C (52.2°F) and 5.9°C (42.6°F). The month with the shortest days in Yumenoshima is December, with an average of 9h and 48min of daylight.

December

Weather in December

The first month of the winter, December, is still a cool month in Yumenoshima, Japan, with an average temperature varying between 11.2°C (52.2°F) and 5.9°C (42.6°F).

Temperature

Arrival of December comes with a reduction in the average high-temperature, falling from a comfortable 16.5°C (61.7°F) in November to a fresh 11.2°C (52.2°F). Throughout the month of December, Yumenoshima witnesses an average low-temperature of 5.9°C (42.6°F).

Humidity

The average relative humidity in December in Yumenoshima is 63%.

Rainfall

In Yumenoshima, in December, it is raining for 5.9 days, with typically 12mm (0.47") of accumulated precipitation. Throughout the year, there are 124.5 rainfall days, and 353mm (13.9") of precipitation is accumulated.

Snowfall

March through December are months without snowfall in Yumenoshima.

Daylight

The month with the shortest days in Yumenoshima is December, with an average of 9h and 48min of daylight.
On the first day of the month, sunrise is at 06:31 and sunset at 16:27. On the last day of December, in Yumenoshima, sunrise is at 06:50 and sunset at 16:37 JST.

Sunshine

In Yumenoshima, Japan, the average sunshine in December is 6.2h.

UV index

In Yumenoshima, the average daily maximum UV index in December is 3. A UV Index reading of 3 to 5 represents a medium health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: In December, a daily maximum UV index of 3 leads to the following instructions:
Adopt protective measures - Requirement to safeguard skin and eyes from harm exists. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. A wide-brim hat offers excellent sun protection for the eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Take note! UV radiation from the Sun can double in intensity due to snow reflection.

Frequently asked questions

Yumenoshima in December has an average high-temperature of 11.2°C (52.2°F) and an average low-temperature of 5.9°C (42.6°F). The average heat index (a.k.a. 'apparent temperature', 'feels like'), which calculates the temperature value influenced by the moisture in the air, in August is computed to be 38°C (100.4°F).

In December, the average relative humidity is 63%.

In Yumenoshima, in December, during 5.9 rainfall days, 12mm (0.47") of precipitation is typically accumulated.

In Yumenoshima, Japan, snow does not fall in March through December.

In Yumenoshima, 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 Yumenoshima.

The average day length in December is 9h and 48min.

In December, on the first day of the month, sunrise is at 06:31 and sunset at 16:27. On the last day of the month, in Yumenoshima, sunrise is at 06:50 and sunset at 16:37 JST.

In Yumenoshima, Japan, the average sunshine duration in December is 6.2h.

In Yumenoshima, the average daily maximum UV index in December is 3. A UV Index estimate of 3 to 5 represents a medium health risk from unsafe 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
Yumenoshima, Japan

  • Average high temperature in December: 11.2°C

The warmest month (with the highest average high temperature) is August (30.6°C).
The month with the lowest average high temperature is January (8.8°C).

  • Average low temperature in December: 5.9°C

The month with the highest average low temperature is August (24.9°C).
The coldest month (with the lowest average low temperature) is January (3°C).

Average pressure in December
Yumenoshima, Japan

  • Average pressure in December: 1016.2mbar

The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.2mbar).

Average wind speed in December
Yumenoshima, Japan

  • Average wind speed in December: 13.5km/h

The windiest month (with the highest average wind speed) is April (15.6km/h).
The calmest month (with the lowest average wind speed) is November (12.3km/h).

Average humidity in December
Yumenoshima, Japan

  • Average humidity in December: 63%

The month with the highest relative humidity is July (79%).
The month with the lowest relative humidity is January (60%).

Average rainfall in December
Yumenoshima, Japan

  • Average rainfall in December: 12mm

The wettest months (with the highest rainfall) are September and October (48mm).
The driest month (with the least rainfall) is February (10mm).

Average rainfall days in December
Yumenoshima, Japan

  • Average rainfall days in December: 5.9 days

The month with the highest number of rainy days is July (16.1 days).
The month with the least rainy days is January (4.5 days).

Average snowfall in December
Yumenoshima, Japan

  • Average snowfall in December: 0mm

The month with the highest snowfall is February (4mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December
Yumenoshima, Japan

  • Average snowfall days in December: 0.2 days

The month with the highest number of snowfall days is February (1.2 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
Yumenoshima, 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 12min

The month with the most sunshine is August (Average sunshine: 10h and 18min).
The month with the least sunshine is February (Average sunshine: 5h and 42min).

Average sunshine days in December
Yumenoshima, Japan

  • Average sunshine days in December: 24.3 days

The month with the most sunshine days is January (25.4 days).
The month with the least sunshine days is June (11.5 days).

Average UV index in December
Yumenoshima, 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
Yumenoshima, Japan

  • Average cloud cover in December: 30

The months with the most cloud cover are June and October (Cloud cover 44).
The month with the least cloud cover is January (Cloud cover 28).

Average visibility in December
Yumenoshima, 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).