December weather forecastNagoya, Japan
December weather for Nagoya, Japan: The month with the least rainfall in Nagoya is December, when the rain falls for 6.9 days and typically collects 45mm (1.77") of precipitation. In Nagoya, during December, the rain falls for 6.9 days and regularly aggregates up to 45mm (1.77") of precipitation.
December
Weather in December
Rounding out the year, December marks the beginning of winter in Nagoya. It observes the return of snowfall after a long break, averaging around 10mm (0.39"). The winter chill becomes more noticeable, with nighttime temperatures often plummeting to icy lows. Despite the chilly weather, there is little rain this month, making it one of the driest months. As the daylight hours shorten, Nagoya lights up with beautiful winter illuminations.Temperature
The beginning of December marks a decrease in the average high-temperature, transitioning from a comfortable 17°C (62.6°F) in November to a cool 11.6°C (52.9°F). In the month of December, the nighttime temperature in Nagoya dips to a steady average of 3.1°C (37.6°F).Humidity
The average relative humidity in December in Nagoya is 65%.Rainfall
The month with the least rainfall in Nagoya is December, when the rain falls for 6.9 days and typically collects 45mm (1.77") of precipitation.Snowfall
Months with snowfall in Nagoya are January, February and December. December is the first month it typically snows in Nagoya. Throughout December, in the average 2.6 snowfall days, it receives 10mm (0.39") of snow. In Nagoya, during the entire year, snow falls for 16.4 days and aggregates up to 140mm (5.51") of snow.Sea temperature
In Nagoya, in December, the average water temperature is 19°C (66.2°F).Note: A surface water temperature of 19°C (66.2°F) does not provide an enjoyable swimming experience for most. Breathing control becomes more challenging as the water temperature drops below 21°C (69.8°F).
Daylight
December has the shortest days of the year in Nagoya, with an average of 9h and 48min of daylight.On the first day of the month, sunrise is at 06:42 and sunset at 16:40. On the last day of December, in Nagoya, sunrise is at 07:00 and sunset at 16:50 JST.
Sunshine
In December, the average sunshine is 5.6h.UV index
The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index value of 2, and less, symbolizes a low threat to health from exposure to the Sun's UV rays for average individuals.Note: An average UV index of 2 in December transforms into this advice:
Many can withstand an hour in the sun without burning, yet children must always have protection against sunlight. Sun exposure should be minimized, especially during midday, to avoid harmful UV radiation. During bright days, sunglasses that offer UVA and UVB defense are recommended. Be vigilant! The reflective nature of snow can increase the Sun's UV radiation nearly twofold.
Published by: Weather Atlas | About Us
Data Sources | Weather Forecasting & Climate
Frequently asked questions
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 least 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 least 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).
The months with the least 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).
The months with the least 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: 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: 5h and 36min
The month with the most sunshine is April (Average sunshine: 6h and 36min).
The months with the least sunshine are June and September (Average sunshine: 5h and 0min).
Average UV index in December
Nagoya, Japan
- Average UV index in December: 2
The months with the highest UV index are June, July and August (UV index 10).
The months with the lowest UV index are January and December (UV index 2).
