Hekinan
Japan
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Hekinan, Japan

December, the first month of the winter, in Hekinan, is still a cool month, with average temperature varying between 11.9°C (53.4°F) and 4.5°C (40.1°F).

Temperature

In December, the average high-temperature drops, from a comfortable 17.1°C (62.8°F) in November, to a fresh 11.9°C (53.4°F). The average low-temperature, in Hekinan, is 4.5°C (40.1°F).

Rainfall

The month with the least rainfall in Hekinan is December when 38.9mm (1.5") of precipitation is typically aggregated.

Sea temperature

In Hekinan, in December, the average water temperature is 17.5°C (63.5°F).
Note: 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).

Daylight

The month with the shortest days in Hekinan is December, with an average of 9.9h of daylight.

Sunshine

In Hekinan, Japan, the average sunshine in December is 5.9h.

What is the temperature in December in Hekinan?

In Hekinan, in December, the average high-temperature is 11.9°C (53.4°F), and the average low-temperature is 4.5°C (40.1°F).

How much does it rain in Hekinan in December?

During December, Hekinan regularly aggregates up to 38.9mm (1.5") of precipitation.

What is the driest month in Hekinan?

December is the month with the least rainfall in Hekinan, Japan, with 38.9mm (1.5") of accumulated precipitation.

What is the sea water temperature in December in Hekinan?

In Hekinan, in December, the average water temperature is 17.5°C (63.5°F). For swimming, a surface water temperature of 17.5°C (63.5°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).

What is the month with the shortest days in Hekinan?

With an average of 9.9h of daylight, December has the shortest days of the year.

How many hours of daylight does Hekinan have in December?

In Hekinan, Japan, the average length of the day in December is 9.9h.

How long on average sun shines in December in Hekinan?

In Hekinan, the average sunshine in December is 5.9h.
Average temperature in December - Hekinan, Japan
  • Average high temperature in December: 11.9°C

The warmest month (with the highest average high temperature) is August (30.9°C).
The month with the lowest average high temperature is January (9.2°C).

  • Average low temperature in December: 4.5°C

The month with the highest average low temperature is August (23.8°C).
The coldest month (with the lowest average low temperature) is February (1.9°C).

Average rainfall in December - Hekinan, Japan
  • Average rainfall in December: 38.9mm

The wettest month (with the highest rainfall) is September (257.2mm).
The driest month (with the lowest rainfall) is December (38.9mm).

Average sea temperature in December - Hekinan, 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).
Coldest months (with the lowest average sea temperature) are February and March (14.6°C).

Average daylight in December / Average sunshine in December - Hekinan, Japan
  • Average daylight in December: 9.9h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.9h).

  • Average sunshine in December: 5.9h

The month with most sunshine is August (Average sunshine: 6.9h).
The month with least sunshine is June (Average sunshine: 4.6h).