Nagoya
Japan
Long-term weather forecast
Long-term weather forecast

December weather forecast and climate
Nagoya, Japan

The first month of the winter, December, is still a cool month in Nagoya, Japan, with temperature in the range of an average high of 11.6°C (52.9°F) and an average low of 3.1°C (37.6°F).

Temperature

In Nagoya, Japan, the average high-temperature drops, from an enjoyable 17°C (62.6°F) in November, to a cool 11.6°C (52.9°F). The average low-temperature, in Nagoya, is 3.1°C (37.6°F).

Humidity

In Nagoya, the average relative humidity in December is 65%.

Rainfall

The month with the least rainfall in Nagoya, Japan, is December when the rain falls for 6.9 days and typically collects 45mm (1.8") of precipitation.

Snowfall

Months with snowfall are January, February and December.

Sea temperature

In Nagoya, Japan, the average seawater temperature is 19°C (66.2°F). For most, swimming in 19°C (66.2°F) is not an enjoyable activity. Furthermore, controlling your breathing becomes progressively more difficult as the water temperature decreases from 21°C (69.8°F) to 15°C (59°F).

Daylight

December has the shortest days of the year in Nagoya, with an average of 9.8h of daylight.

Sunshine

The average sunshine in Nagoya is 5.6h.

UV index

Months with the lowest UV index in Nagoya are January and December, with an average maximum UV index of 2. A UV Index estimate of 2, and below, represents a low threat to health from unsafe exposure to the UV radiation for ordinary individuals.
The average daily UV index of 2 in December transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.

What is the temperature in December in Nagoya?

In December, in Nagoya, Japan, the average high-temperature is 11.6°C (52.9°F), and the average low-temperature is 3.1°C (37.6°F).

What is the average humidity in December in Nagoya?

The average relative humidity in December is 65%.

How much does it rain in Nagoya in December?

In Nagoya, in December, during 6.9 rainfall days, 45mm (1.8") of precipitation is typically accumulated.

What is the driest month in Nagoya?

The month with the least rainfall is December when the rain falls for 6.9 days and typically collects 45mm (1.8") of precipitation.

When does it start to snow in Nagoya?

December is the first month it typically snows. Throughout December, in the average 2.6 snowfall days, it receives 10mm (0.4") of snow.

What is the sea temperature in December in Nagoya?

In December, the average sea temperature in Nagoya is 19°C (66.2°F). For swimming, a surface water temperature of 19°C (66.2°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 Nagoya?

December has the shortest days of the year in Nagoya, Japan, with an average of 9.8h of daylight.

What is the average length of the day in December in Nagoya?

The average length of the day in December in Nagoya is 9.8h.

How long on average sun shines in December in Nagoya?

In Nagoya, the average sunshine in December is 5.6h.

What is the month with the lowest UV index in Nagoya?

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

What is the UV index intensity in December in Nagoya?

The average daily maximum UV index in December is 2. A UV Index estimate of 2, and below, represents a low health risk from unsafe exposure to the Sun's UV rays.
Average temperature in December - Nagoya, Japan
  • Average high temperature in December: 11.6°C

The warmest month (with the highest average high temperature) is August (32.8°C).
The month with the lowest average high temperature is January (9°C).

  • Average low temperature in December: 3.1°C

The month with the highest average low temperature is August (24.3°C).
The coldest month (with the lowest average low temperature) is January (0.8°C).

Average humidity in December - Nagoya, Japan
  • Average humidity in December: 65%

The month with the highest relative humidity is July (74%).
The month with the lowest relative humidity is March (59%).

Average rainfall in December - Nagoya, Japan
  • Average rainfall in December: 45mm

The wettest month (with the highest rainfall) is September (234.4mm).
The driest month (with the lowest rainfall) is December (45mm).

Average rainfall days in December - Nagoya, Japan
  • Average rainfall days in December: 6.9 days

The month with the highest number of rainy days is July (13 days).
The month with the lowest number of rainy days is January (6.8 days).

Average snowfall in December - Nagoya, Japan
  • Average snowfall in December: 10mm

The month with the highest snowfall is February (80mm).
Months with the lowest snowfall are March, April, May, June, July, August, September, October and November (0mm).

Average snowfall days in December - Nagoya, Japan
  • Average snowfall days in December: 2.6 days

The month with the highest number of snowfall days is January (6.4 days).
Months with the lowest number of snowfall days are April, May, June, July, August, September, October and November (0 days).

Average sea temperature in December - Nagoya, Japan
  • Average sea temperature in December: 19°C

The best month for swimming (with the highest average sea temperature) is August (28°C).
The coldest month (with the lowest average sea temperature) is February (16°C).

Average daylight in December / Average sunshine in December - Nagoya, Japan
  • Average daylight in December: 9.8h

The month with the longest days is June (Average daylight: 14.5h).
The month with shortest days is December (Average daylight: 9.8h).

  • Average sunshine in December: 5.6h

The month with most sunshine is April (Average sunshine: 6.6h).
Months with least sunshine are June and September (Average sunshine: 5).

Average UV index in December - Nagoya, Japan
  • Average UV index in December: 2

Months with the highest UV index are June, July and August (UV index 10).
Months with the lowest UV index are January and December (UV index 2).