December weather forecastHanda, Japan

December

Weather in December

The first month of the winter, December, is also a fresh month in Handa, Japan, with an average temperature fluctuating between 10.4°C (50.7°F) and 5.4°C (41.7°F).

Temperature

Handa's December weather features a mild decline in high-temperatures, reducing from a comfortable 16.3°C (61.3°F) in November to a cool 10.4°C (50.7°F). In Handa, the December nights are characterized by an average low-temperature of 5.4°C (41.7°F), a minor dip from daytime readings.

Humidity

In Handa, Japan, the average relative humidity in December is 72%.

Rainfall

In Handa, Japan, in December, it is raining for 10.5 days, with typically 40mm (1.57") of accumulated precipitation. In Handa, during the entire year, the rain falls for 156 days and collects up to 899mm (35.39") of precipitation.

Snowfall

Months with snowfall are January, February and December. December is the first month it typically snows in Handa, Japan. Throughout December, in the average 1.1 snowfall days, it receives 5mm (0.2") of snow. In Handa, during the entire year, snow falls for 5.3 days and aggregates up to 28mm (1.1") of snow.

Sea temperature

In December, the average sea temperature in Handa, Japan, is 17.5°C (63.5°F).
Note: Most individuals do not find swimming at 17.5°C (63.5°F) to be enjoyable. As the water temperature declines below 21°C (69.8°F), maintaining control over one's breathing becomes harder.

Daylight

The month with the shortest days in Handa, Japan, is December, with an average of 9h and 54min of daylight.
On the first day of the month, sunrise is at 06:41 and sunset at 16:40. On the last day of December, sunrise is at 06:59 and sunset at 16:50 JST.

Sunshine

In Handa, the average sunshine in December is 6.1h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Handa. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: A daily maximum UV index of 2 in December translates into the following instructions:
Long-term sun exposure is typically not a concern for most. However, those with sensitive skin, infants, and children must always have protection. The Sun's radiation is especially intense around midday; try to stay in shade during this period. Wearing sunglasses with both UVA and UVB protection effectively reduces sun-induced eye damage. Observe! Snow reflection can nearly intensify the Sun's UV radiation twofold.

Frequently asked questions

The high-temperature in Handa during December is 10.4°C (50.7°F) and the low-temperature is 5.4°C (41.7°F). The average heat index (a.k.a. 'feels like', 'apparent temperature'), which factors the actual air temperature with the relative humidity, in September is calculated to be 30°C (86°F).

The average relative humidity in December in Handa is 72%.

In Handa, Japan, in December, it is raining for 10.5 days, with typically 40mm (1.57") of accumulated precipitation.

December is the first month it typically snows. Throughout December, in the average 1.1 snowfall days, it receives 5mm (0.2") of snow.

In December, the average sea temperature in Handa, Japan, is 17.5°C (63.5°F). Swimming in 17.5°C (63.5°F) is not enjoyable for the majority. Controlling breathing becomes progressively more difficult as surface water temperature decreases below 21°C (69.8°F).

With an average of 9h and 54min of daylight, December has the shortest days of the year in Handa, Japan.

In December, the average day length in Handa, Japan, is 9h and 52min.

On the first day of December in Handa, sunrise is at 06:41 and sunset at 16:40. On the last day of the month, sunrise is at 06:59 and sunset at 16:50 JST.

In December, the average sunshine duration in Handa, Japan, is 6.1h.

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

In Handa, Japan, the average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents 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
Handa, Japan

  • Average high temperature in December: 10.4°C

The warmest month (with the highest average high temperature) is August (31.4°C).
The month with the lowest average high temperature is January (8.3°C).

  • Average low temperature in December: 5.4°C

The month with the highest average low temperature is August (25°C).
The coldest month (with the lowest average low temperature) is January (2.6°C).

Average pressure in December
Handa, Japan

  • Average pressure in December: 1018.4mbar

The month with the highest atmospheric pressure is November (1019.1mbar).
The month with the lowest atmospheric pressure is June (1009mbar).

Average wind speed in December
Handa, Japan

  • Average wind speed in December: 14.1km/h

The windiest month (with the highest average wind speed) is January (14.3km/h).
The calmest month (with the lowest average wind speed) is July (9.1km/h).

Average humidity in December
Handa, Japan

  • Average humidity in December: 72%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is February (69%).

Average rainfall in December
Handa, Japan

  • Average rainfall in December: 40mm

The wettest month (with the highest rainfall) is July (161mm).
The driest month (with the least rainfall) is January (27mm).

Average rainfall days in December
Handa, Japan

  • Average rainfall days in December: 10.5 days

The month with the highest number of rainy days is July (20.5 days).
The month with the least rainy days is November (8.6 days).

Average snowfall in December
Handa, Japan

  • Average snowfall in December: 5mm

The month with the highest snowfall is January (15mm).
The months with the least snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December
Handa, Japan

  • Average snowfall days in December: 1.1 days

The month with the highest number of snowfall days is January (2.7 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
Handa, Japan

  • Average sea temperature in December: 17.5°C

The best month for swimming (with the highest average sea temperature) is August (27.1°C).
The coldest months (with the lowest average sea temperature) are February and March (14.6°C).

Average daylight in December /
Average sunshine in December
Handa, Japan

  • Average daylight in December: 9h and 54min

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 54min).

  • Average sunshine in December: 6h and 6min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 5h and 48min).

Average sunshine days in December
Handa, Japan

  • Average sunshine days in December: 17.4 days

The month with the most sunshine days is November (18.6 days).
The month with the least sunshine days is July (7.8 days).

Average UV index in December
Handa, Japan

  • Average UV index in December: 2

The months with the highest UV index are July and August (UV index 7).
The months with the lowest UV index are January and December (UV index 2).

Average cloud cover in December
Handa, Japan

  • Average cloud cover in December: 32

The month with the most cloud cover is July (Cloud cover 43).
The month with the least cloud cover is November (Cloud cover 31).

Average visibility in December
Handa, Japan

  • Average visibility in December: 10km

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