December weather forecastHashimoto, Japan

December

Weather in December

December, the first month of the winter in Hashimoto, is also a frosty month, with an average temperature ranging between min 2.5°C (36.5°F) and max 8.9°C (48°F).

Temperature

The commencement of December involves a temperature shift, with the average high-temperature dropping from a mild 14.9°C (58.8°F) in November to a chilly 8.9°C (48°F). Hashimoto's nights in December cool down to an average low-temperature of 2.5°C (36.5°F).

Humidity

In Hashimoto, the average relative humidity in December is 78%.

Rainfall

In Hashimoto, during December, the rain falls for 16.7 days and regularly aggregates up to 66mm (2.6") of precipitation. In Hashimoto, during the entire year, the rain falls for 199.5 days and collects up to 1277mm (50.28") of precipitation.

Snowfall

January through April and December are months with snowfall in Hashimoto. December is the first month it typically snows. Throughout December, in the average 4.9 snowfall days, it receives 35mm (1.38") of snow. Throughout the year, in Hashimoto, there are 25.9 snowfall days, and 201mm (7.91") of snow is accumulated.

Daylight

December has the shortest days of the year in Hashimoto, with an average of 9h and 54min of daylight.
On the first day of December in Hashimoto, sunrise is at 06:45 and sunset at 16:47. On the last day of the month, sunrise is at 07:03 and sunset at 16:57 JST.

Sunshine

In Hashimoto, the average sunshine in December is 5.3h.

UV index

January, February and December, with an average maximum UV index of 2, are months with the lowest UV index in Hashimoto. A UV Index estimate of 2, and below, represents a low health risk from exposure to the Sun's UV rays for ordinary individuals.
Note: An average UV index of 2 in December transforms into this advice:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Avoiding the Sun during its peak radiation time around midday is a healthy practice. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be attentive! The reflective property of snow can nearly double the Sun's UV radiation.

Frequently asked questions

The average high-temperature and low-temperature in Hashimoto, Japan, during December are 8.9°C (48°F) and 2.5°C (36.5°F) respectively. The average heat index (a.k.a. 'real feel', 'feels like'), which factors the actual air temperature with the relative humidity, in August is appraised at 37°C (98.6°F).

In December, the average relative humidity in Hashimoto is 78%.

In December, in Hashimoto, the rain falls for 16.7 days. Throughout December, 66mm (2.6") of precipitation is accumulated.

December is the first month it typically snows. Throughout December, in the average 4.9 snowfall days, it receives 35mm (1.38") of snow.

The month with the shortest days in Hashimoto is December, with an average of 9h and 54min of daylight.

In December, the average day length in Hashimoto is 9h and 55min.

In December, on the first day of the month, sunrise is at 06:45 and sunset at 16:47. On the last day of the month, in Hashimoto, sunrise is at 07:03 and sunset at 16:57 JST.

In Hashimoto, Japan, the average sunshine duration in December is 5.3h.

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

In Hashimoto, Japan, the average daily maximum UV index in December is 2. A UV Index reading of 2, and below, represents a low health threat 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
Hashimoto, Japan

  • Average high temperature in December: 8.9°C

The warmest month (with the highest average high temperature) is August (29.9°C).
The month with the lowest average high temperature is January (6.7°C).

  • Average low temperature in December: 2.5°C

The month with the highest average low temperature is August (22.3°C).
The coldest month (with the lowest average low temperature) is January (0.1°C).

Average pressure in December
Hashimoto, Japan

  • Average pressure in December: 1019.2mbar

The month with the highest atmospheric pressure is February (1019.5mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).

Average wind speed in December
Hashimoto, Japan

  • Average wind speed in December: 9km/h

The windiest month (with the highest average wind speed) is January (9.5km/h).
The calmest months (with the lowest average wind speed) are June and August (6.2km/h).

Average humidity in December
Hashimoto, Japan

  • Average humidity in December: 78%

The month with the highest relative humidity is July (83%).
The month with the lowest relative humidity is May (74%).

Average rainfall in December
Hashimoto, Japan

  • Average rainfall in December: 66mm

The wettest month (with the highest rainfall) is July (179mm).
The driest month (with the least rainfall) is January (56mm).

Average rainfall days in December
Hashimoto, Japan

  • Average rainfall days in December: 16.7 days

The month with the highest number of rainy days is July (21.1 days).
The month with the least rainy days is February (13.8 days).

Average snowfall in December
Hashimoto, Japan

  • Average snowfall in December: 35mm

The month with the highest snowfall is January (90mm).
The months with the least snowfall are May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Hashimoto, Japan

  • Average snowfall days in December: 4.9 days

The month with the highest number of snowfall days is January (11.1 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
Hashimoto, Japan

  • Average daylight in December: 9h and 54min

The month with the longest days is June (Average daylight: 14h and 24min).
The month with the shortest days is December (Average daylight: 9h and 54min).

  • Average sunshine in December: 5h and 18min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The months with the least sunshine are January and February (Average sunshine: 5h and 12min).

Average sunshine days in December
Hashimoto, Japan

  • Average sunshine days in December: 8.8 days

The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is July (7.9 days).

Average UV index in December
Hashimoto, 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
Hashimoto, Japan

  • Average cloud cover in December: 43

The month with the most cloud cover is January (Cloud cover 46).
The month with the least cloud cover is August (Cloud cover 33).

Average visibility in December
Hashimoto, Japan

  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, May, August, September, October, November and December (9km).
The months with the lowest visibility are June and July (8km).