December weather forecast
Toyonaka, Japan

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Weather in December

December, the first month of the winter in Toyonaka, is also a frosty month, with an average temperature ranging between min 3.7°C (38.7°F) and max 9.2°C (48.6°F).

Temperature

The beginning of December involves a decrease in the average high-temperature, transitioning from a mild 15.2°C (59.4°F) in November to a chilly 9.2°C (48.6°F). Toyonaka, in December, witnesses an average low-temperature of 3.7°C (38.7°F).

Humidity

The average relative humidity in December is 77%.

Rainfall

In Toyonaka, in December, it is raining for 14.7 days, with typically 34mm (1.34") of accumulated precipitation. In Toyonaka, during the entire year, the rain falls for 176.4 days and collects up to 678mm (26.69") of precipitation.

Snowfall

January through March and December are months with snowfall. December is the first month it typically snows in Toyonaka. Throughout December, in the average 2.7 snowfall days, it receives 16mm (0.63") of snow. In Toyonaka, during the entire year, snow falls for 15.9 days and aggregates up to 97mm (3.82") of snow.

Daylight

The month with the shortest days in Toyonaka is December, with an average of 9h and 54min of daylight.
On the first day of December in Toyonaka, sunrise is at 06:47 and sunset at 16:47. On the last day of the month, sunrise is at 07:05 and sunset at 16:57 JST.

Sunshine

In Toyonaka, the average sunshine in December is 5.2h.

UV index

The months with the lowest UV index are January and December, with an average maximum UV index of 2. A UV Index of 2, and less, symbolizes a minimal health hazard from exposure to the Sun's UV rays for the average person.
Note: The UV index of 2 during December translates into the following guidance:
Children, babies, and those with sensitive skin should always be shielded from long periods of sun exposure. It's crucial to reduce time in the direct Sun around mid-day due to the intense solar radiation. For effective sun eye protection, rely on sunglasses certified for UVA and UVB resistance. Heed this! Snow reflection can almost augment the UV radiation of the sun by double.
Updated: Jan 31, 2024 | Published by: Weather Atlas | Resources

Frequently asked questions

What is the usual temperature for Toyonaka in December?

An average high-temperature, in December, in Toyonaka, is 9.2°C (48.6°F) and the average low-temperature is 3.7°C (38.7°F). In August, the average heat index (a.k.a. 'feels like', 'apparent temperature'), which combines air temperature and relative humidity, is appraised at 39°C (102.2°F).

What is the average humidity in December in Toyonaka?

In Toyonaka, the average relative humidity in December is 77%.

How many days does it rain in December in Toyonaka?

In Toyonaka, Japan, during December, the rain falls for 14.7 days and regularly aggregates up to 34mm (1.34") of precipitation.

When does it start to snow in Toyonaka?

December is the first month it typically snows. Throughout December, in the average 2.7 snowfall days, it receives 16mm (0.63") of snow.

What is the month with the shortest days in Toyonaka?

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

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

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

When is the sunrise / sunset in December in Toyonaka?

In December, on the first day of the month, sunrise is at 06:47 and sunset at 16:47. On the last day of the month, in Toyonaka, Japan, sunrise is at 07:05 and sunset at 16:57 JST.

How many hours of sunshine does Toyonaka have in December?

In December, the average sunshine duration is 5.2h.

What are the months with the lowest UV index in Toyonaka?

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

What is the UV index intensity in December in Toyonaka?

In December, the average daily maximum UV index in Toyonaka, Japan, is 2. A UV Index value of 2, and less, symbolizes a low health threat from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Toyonaka, Japan

Average temperature in December - Toyonaka, Japan
  • Average high temperature in December: 9.2°C

The warmest month (with the highest average high temperature) is August (31.1°C).
The month with the lowest average high temperature is January (7.1°C).

  • Average low temperature in December: 3.7°C

The month with the highest average low temperature is August (23.6°C).
The coldest month (with the lowest average low temperature) is January (1.4°C).

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Average pressure in December
Toyonaka, Japan

Average pressure in December - Toyonaka, Japan
  • Average pressure in December: 1019.3mbar

The month with the highest atmospheric pressure is February (1019.8mbar).
The month with the lowest atmospheric pressure is June (1008.8mbar).

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Average wind speed in December
Toyonaka, Japan

Average wind speed in December - Toyonaka, Japan
  • Average wind speed in December: 9.7km/h

The windiest months (with the highest average wind speed) are January and March (10km/h).
The calmest month (with the lowest average wind speed) is June (7.9km/h).

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Average humidity in December
Toyonaka, Japan

Average humidity in December - Toyonaka, Japan
  • Average humidity in December: 77%

The month with the highest relative humidity is July (80%).
The month with the lowest relative humidity is May (71%).

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Average rainfall in December
Toyonaka, Japan

Average rainfall in December - Toyonaka, Japan
  • Average rainfall in December: 34mm

The wettest month (with the highest rainfall) is July (117mm).
The driest month (with the least rainfall) is January (30mm).

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Average rainfall days in December
Toyonaka, Japan

Average rainfall days in December - Toyonaka, Japan
  • Average rainfall days in December: 14.7 days

The month with the highest number of rainy days is July (20.9 days).
The month with the least rainy days is May (12.1 days).

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Average snowfall in December
Toyonaka, Japan

Average snowfall in December - Toyonaka, Japan
  • Average snowfall in December: 16mm

The month with the highest snowfall is January (47mm).
The months with the least snowfall are April, May, June, July, August, September, October and November (0mm).

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Average snowfall days in December
Toyonaka, Japan

Average snowfall days in December - Toyonaka, Japan
  • Average snowfall days in December: 2.7 days

The month with the highest number of snowfall days is January (7 days).
The months with the least snowfall days are April, May, June, July, August, September, October and November (0 days).

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

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

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: 5h and 1min

The month with the most sunshine is August (Average sunshine: 10h and 42min).
The month with the least sunshine is February (Average sunshine: 4h and 42min).

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Average sunshine days in December
Toyonaka, Japan

Average sunshine days in December - Toyonaka, Japan
  • Average sunshine days in December: 11 days

The month with the most sunshine days is May (16.8 days).
The month with the least sunshine days is July (7.7 days).

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Average UV index in December
Toyonaka, Japan

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

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

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Average cloud cover in December
Toyonaka, Japan

Average cloud cover in December - Toyonaka, Japan
  • Average cloud cover in December: 43

The months with the most cloud cover are January and February (Cloud cover 47).
The month with the least cloud cover is August (Cloud cover 32).

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Average visibility in December
Toyonaka, Japan

Average visibility in December - Toyonaka, Japan
  • Average visibility in December: 9km

The months with the highest visibility are January, February, March, April, May, June, August, September, October, November and December (9km).
The month with the lowest visibility is July (8km).

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Toyonaka, Japan

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