December weather forecastOdawara, Japan

December

Weather in December

December, the first month of the winter in Odawara, is also a fresh month, with an average temperature ranging between min 5.1°C (41.2°F) and max 10.5°C (50.9°F).

Temperature

In Odawara, entering December brings a subtle temperature decrement, reducing from November's mild 15.2°C (59.4°F) to a cool 10.5°C (50.9°F). In Odawara, December nights witness a steady temperature drop to a wintry 5.1°C (41.2°F).

Humidity

In December, the average relative humidity in Odawara is 69%.

Rainfall

In Odawara, in December, during 9.8 rainfall days, 25mm (0.98") of precipitation is typically accumulated. In Odawara, Japan, during the entire year, the rain falls for 179.7 days and collects up to 587mm (23.11") of precipitation.

Snowfall

January, February and December are months with snowfall. December is the first month it typically snows. Throughout December, in the average 0.3 snowfall days, it receives 1mm (0.04") of snow. Throughout the year, in Odawara, there are 2.9 snowfall days, and 13mm (0.51") of snow is accumulated.

Sea temperature

In December, the average sea temperature in Odawara is 18.3°C (64.9°F).
Note: Swimming is not a pleasurable activity for most people when the water temperature is 18.3°C (64.9°F). Breathing control gets harder as the water temperature drops from 21°C (69.8°F) to 15°C (59°F).

Daylight

December has the shortest days of the year, with an average of 9h and 48min of daylight.
On the first day of December, sunrise is at 06:33 and sunset at 16:31. On the last day of the month, sunrise is at 06:51 and sunset at 16:41 JST.

Sunshine

The average sunshine in December is 6.3h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Odawara. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum daily UV index, 2 in December, converts into the following recommendations:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's harshest UV rays are around midday; it's wise to seek shade and limit time outdoors. A wide-brimmed hat provides unparalleled sun protection for sensitive areas like the eyes, ears, and neck. Mark this! Snow reflection can nearly double the UV radiation intensity from the Sun.

Frequently asked questions

An average high-temperature, in December, in Odawara, is 10.5°C (50.9°F) and the average low-temperature is 5.1°C (41.2°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, in August is appraised at 34°C (93.2°F).

The average relative humidity in December is 69%.

In Odawara, Japan, in December, it is raining for 9.8 days, with typically 25mm (0.98") of accumulated precipitation.

December is the first month it typically snows in Odawara, Japan. Throughout December, in the average 0.3 snowfall days, it receives 1mm (0.04") of snow.

In December, the average sea temperature in Odawara, Japan, is 18.3°C (64.9°F). For swimming, a surface water temperature of 18.3°C (64.9°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

The month with the shortest days in Odawara is December, with an average of 9h and 48min of daylight.

The average day length in December is 9h and 50min.

On the first day of December, sunrise is at 06:33 and sunset at 16:31. On the last day of the month, sunrise is at 06:51 and sunset at 16:41 JST.

In December, the average sunshine duration is 6.3h.

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

The average daily maximum UV index in December in Odawara, Japan, is 2. A UV Index of 2, and less, symbolizes a low health threat 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 sea temperature
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Odawara, Japan

  • Average high temperature in December: 10.5°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 (7.8°C).

  • Average low temperature in December: 5.1°C

The month with the highest average low temperature is August (23.3°C).
The coldest month (with the lowest average low temperature) is January (1.8°C).

Average pressure in December
Odawara, Japan

  • Average pressure in December: 1016.6mbar

The month with the highest atmospheric pressure is November (1018.1mbar).
The month with the lowest atmospheric pressure is June (1009.1mbar).

Average wind speed in December
Odawara, Japan

  • Average wind speed in December: 12.8km/h

The windiest month (with the highest average wind speed) is March (13.9km/h).
The calmest month (with the lowest average wind speed) is June (11.1km/h).

Average humidity in December
Odawara, Japan

  • Average humidity in December: 69%

The month with the highest relative humidity is July (84%).
The month with the lowest relative humidity is January (66%).

Average rainfall in December
Odawara, Japan

  • Average rainfall in December: 25mm

The wettest month (with the highest rainfall) is July (102mm).
The driest month (with the least rainfall) is January (20mm).

Average rainfall days in December
Odawara, Japan

  • Average rainfall days in December: 9.8 days

The month with the highest number of rainy days is July (20.4 days).
The month with the least rainy days is January (9 days).

Average snowfall in December
Odawara, Japan

  • Average snowfall in December: 1mm

The month with the highest snowfall is February (8mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Odawara, Japan

  • Average snowfall days in December: 0.3 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in December
Odawara, Japan

  • Average sea temperature in December: 18.3°C

The best month for swimming (with the highest average sea temperature) is August (26.2°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).

Average daylight in December /
Average sunshine in December
Odawara, 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 18min

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
Odawara, Japan

  • Average sunshine days in December: 16.9 days

The month with the most sunshine days is January (17.5 days).
The month with the least sunshine days is July (5.3 days).

Average UV index in December
Odawara, Japan

  • Average UV index in December: 2

The months with the highest UV index are June, July and August (UV index 6).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Odawara, 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
Odawara, Japan

  • Average visibility in December: 10km

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