December weather forecast
Tonosho, Japan

December

Weather in December

The first month of the winter, December, is also a fresh month in Tonosho, Japan, with an average temperature fluctuating between 6.9°C (44.4°F) and 10.8°C (51.4°F).

Temperature

The arrival of December indicates a decrease in the average high-temperature, moving from an enjoyable 16.4°C (61.5°F) in November to a cool 10.8°C (51.4°F). The nights of December in Tonosho cool down to an average low of 6.9°C (44.4°F), subtly lower than daytime highs.

Humidity

In December, the average relative humidity is 70%.

Rainfall

In Tonosho, during December, the rain falls for 8.1 days and regularly aggregates up to 14mm (0.55") of precipitation. Throughout the year, in Tonosho, there are 100.2 rainfall days, and 317mm (12.48") of precipitation is accumulated.

Snowfall

In Tonosho, snow does not fall in March through December.

Sea temperature

In Tonosho, Japan, in December, the average water temperature is 18.8°C (65.8°F).
Note: In water with a temperature of 18.8°C (65.8°F), swimming is not a joy for most people. The challenge of controlling breathing increases as the temperature dips from 21°C (69.8°F) to 15°C (59°F).

Daylight

The month with the shortest days in Tonosho is December, with an average of 9h and 54min of daylight.
On the first day of December in Tonosho, sunrise is at 06:51 and sunset at 16:52. On the last day of the month, sunrise is at 07:09 and sunset at 17:02 JST.

Sunshine

In December, the average sunshine is 5h.

UV index

January and December, with an average maximum UV index of 2, are months with the lowest UV index in Tonosho. A UV Index of 2, and less, symbolizes a minimal health hazard from unsafe exposure to UV radiation for ordinary individuals.
Note: The UV index of 2 during December leads to these advisories:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. Sun's radiation is most powerful around mid-day, so it's best to limit outdoor activities during this time. Combat UV radiation's detrimental effects with sun-safe clothing and UV-blocking eyewear. Keep in mind! Snow's reflective quality can nearly double the intensity of the Sun's UV radiation.

Frequently asked questions

What are December temperatures in Tonosho?
In Tonosho, in December, the average high-temperature is 10.8°C (51.4°F), and the average low-temperature is 6.9°C (44.4°F). In August, the average heat index (a.k.a. 'felt air temperature', 'apparent temperature'), which takes the relative humidity and factors it into the air temperature reading, is evaluated at 37°C (98.6°F).
What is the average humidity in December in Tonosho?
In December, the average relative humidity in Tonosho, Japan, is 70%.
How much does it rain in Tonosho in December?
In Tonosho, during December, the rain falls for 8.1 days and regularly aggregates up to 14mm (0.55") of precipitation.
When it does not snow in Tonosho?
In Tonosho, snow does not fall in March through December.
Does it snow in Tonosho in December?
In Tonosho, in December, it doesn't snow. In January, it regularly snows.
How cold is the water in December in Tonosho?
In Tonosho, the average seawater temperature in December is 18.8°C (65.8°F). For swimming, a surface water temperature of 18.8°C (65.8°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 Tonosho?
December has the shortest days of the year in Tonosho, with an average of 9h and 54min of daylight.
How many hours of daylight does Tonosho have in December?
In December, the average day length in Tonosho, Japan, is 9h and 54min.
When is the sunrise / sunset in December in Tonosho?
On the first day of December in Tonosho, sunrise is at 06:51 and sunset at 16:52. On the last day of the month, sunrise is at 07:09 and sunset at 17:02 JST.
How many hours of sunshine does Tonosho have in December?
In Tonosho, the average sunshine duration in December is 5h.
What are the months with the lowest UV index in Tonosho?
January and December, with an average maximum UV index of 2, are months with the lowest UV index in Tonosho, Japan.
What is the UV index reading in December in Tonosho?
In December, the average daily maximum UV index in Tonosho, Japan, is 2. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December - Tonosho, Japan
Average temperature in December
Tonosho, Japan
  • Average high temperature in December: 10.8°C

The warmest month (with the highest average high temperature) is August (30.3°C).
The month with the lowest average high temperature is January (8.7°C).

  • Average low temperature in December: 6.9°C

The month with the highest average low temperature is August (25.6°C).
The coldest month (with the lowest average low temperature) is January (4.4°C).

Average pressure in December - Tonosho, Japan
Average pressure in December
Tonosho, Japan
  • Average pressure in December: 1020.1mbar

The months with the highest atmospheric pressure are January and February (1020.4mbar).
The month with the lowest atmospheric pressure is June (1008.5mbar).

Average wind speed in December - Tonosho, Japan
Average wind speed in December
Tonosho, Japan
  • Average wind speed in December: 18.2km/h

The windiest month (with the highest average wind speed) is January (18.3km/h).
The calmest month (with the lowest average wind speed) is June (10.1km/h).

Average humidity in December - Tonosho, Japan
Average humidity in December
Tonosho, Japan
  • Average humidity in December: 70%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is March (67%).

Average rainfall in December - Tonosho, Japan
Average rainfall in December
Tonosho, Japan
  • Average rainfall in December: 14mm

The wettest month (with the highest rainfall) is July (56mm).
The driest month (with the least rainfall) is November (10mm).

Average rainfall days in December - Tonosho, Japan
Average rainfall days in December
Tonosho, Japan
  • Average rainfall days in December: 8.1 days

The month with the highest number of rainy days is July (12.4 days).
The month with the least rainy days is January (5.9 days).

Average snowfall in December - Tonosho, Japan
Average snowfall in December
Tonosho, Japan
  • Average snowfall in December: 0mm

The month with the highest snowfall is February (5mm).
The months with the least snowfall are March, April, May, June, July, August, September, October, November and December (0mm).

Average snowfall days in December - Tonosho, Japan
Average snowfall days in December
Tonosho, Japan
  • Average snowfall days in December: 0.6 days

The month with the highest number of snowfall days is February (1.3 days).
The months with the least snowfall days are March, April, May, June, July, August, September, October and November (0 days).

Average sea temperature in December - Tonosho, Japan
Average sea temperature in December
Tonosho, Japan
  • Average sea temperature in December: 18.8°C

The best month for swimming (with the highest average sea temperature) is August (27.7°C).
The coldest month (with the lowest average sea temperature) is February (15.3°C).

Average daylight in December / Average sunshine in December - Tonosho, Japan
Average daylight in December /
Average sunshine in December
Tonosho, Japan
  • Average daylight in December: 9h and 5min

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 0min

The month with the most sunshine is August (Average sunshine: 11h and 0min).
The month with the least sunshine is February (Average sunshine: 4h and 48min).

Average sunshine days in December - Tonosho, Japan
Average sunshine days in December
Tonosho, Japan
  • Average sunshine days in December: 19.8 days

The month with the most sunshine days is May (23.5 days).
The month with the least sunshine days is July (17.3 days).

Average UV index in December - Tonosho, Japan
Average UV index in December
Tonosho, 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 - Tonosho, Japan
Average cloud cover in December
Tonosho, Japan
  • Average cloud cover in December: 43

The month with the most cloud cover is February (Cloud cover 45).
The month with the least cloud cover is August (Cloud cover 30).

Average visibility in December - Tonosho, Japan
Average visibility in December
Tonosho, Japan
  • Average visibility in December: 10km

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

englishespañol中文
Share