December weather forecastNayoro, Japan

December weather for Nayoro, Japan: In Nayoro, in December, during 27.5 snowfall days, 688mm (27.09") of snow is typically accumulated. December, the first month of the winter in Nayoro, is still a freezing cold month, with an average temperature ranging between max -3.4°C (25.9°F) and min -8.8°C (16.2°F).

December

Weather in December

December, the first month of the winter in Nayoro, is still a freezing cold month, with an average temperature ranging between max -3.4°C (25.9°F) and min -8.8°C (16.2°F).

Temperature

The onset of December is marked by a decrease in temperature, transitioning from a wintry 2.7°C (36.9°F) in November to a freezing cold -3.4°C (25.9°F). An average low-temperature of -8.8°C (16.2°F) marks the month of December in Nayoro, Japan.

Humidity

In Nayoro, the average relative humidity in December is 93%.

Rainfall

In Nayoro, in December, during 5.7 rainfall days, 100mm (3.94") of precipitation is typically accumulated. In Nayoro, during the entire year, the rain falls for 155.7 days and collects up to 929mm (36.57") of precipitation.

Snowfall

Months with snowfall in Nayoro are January through May, October through December. December is the month with the most snowfall. Snow falls for 27.5 days and accumulates 688mm (27.09") of snow.

Daylight

The month with the shortest days in Nayoro is December, with an average of 8h and 54min of daylight.
On the first day of December, sunrise is at 06:46 and sunset at 15:52. On the last day of the month, sunrise is at 07:05 and sunset at 16:00 JST.

Sunshine

The average sunshine in December is 1.2h.

UV index

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Nayoro, Japan. A UV Index estimate of 2, and below, represents a minimal health vulnerability from unsafe exposure to UV radiation for the average person.
Note: The maximum daily UV index, 1 in December, converts into the following recommendations:
Most individuals can handle sun exposure for up to an hour without burning, but children must always be shielded from sun exposure. When the Sun's UV radiation is most intense during midday, it's best to find shade and limit exposure. Arm yourself against UV rays' harm with protective apparel and UV-filtering shades. Remember this! The UV radiation of the Sun can be nearly doubled by the reflective properties of snow.

Frequently asked questions

The high-temperature, in December, in Nayoro, is -3.4°C (25.9°F), while the low-temperature averages to -8.8°C (16.2°F).

The average relative humidity in December in Nayoro is 93%.

In Nayoro, Japan, in December, during 5.7 rainfall days, 100mm (3.94") of precipitation is typically accumulated.

The month with the most snowfall is December, when snow falls for 27.5 days and typically aggregates up to 688mm (27.09") of snow.

In Nayoro, in December, during 27.5 snowfall days, 688mm (27.09") of snow is typically accumulated.

December has the shortest days of the year in Nayoro, Japan, with an average of 8h and 54min of daylight.

In December, the average day length is 8h and 55min.

On the first day of December, sunrise is at 06:46 and sunset at 15:52. On the last day of the month, sunrise is at 07:05 and sunset at 16:00 JST.

In Nayoro, the average sunshine duration in December is 1.2h.

The months with the lowest UV index in Nayoro are January through March, November and December, with an average maximum UV index of 1.

In December, the average daily maximum UV index in Nayoro, Japan, is 1. A UV Index of 2, and less, symbolizes a low health threat from unprotected exposure to 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 daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Nayoro, Japan

  • Average high temperature in December: -3.4°C

The warmest month (with the highest average high temperature) is August (23.5°C).
The month with the lowest average high temperature is January (-5.8°C).

  • Average low temperature in December: -8.8°C

The month with the highest average low temperature is August (13.7°C).
The coldest month (with the lowest average low temperature) is February (-12.2°C).

Average pressure in December
Nayoro, Japan

  • Average pressure in December: 1011.6mbar

The months with the highest atmospheric pressure are October and November (1015mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).

Average wind speed in December
Nayoro, Japan

  • Average wind speed in December: 11.5km/h

The windiest month (with the highest average wind speed) is December (11.5km/h).
The calmest month (with the lowest average wind speed) is July (6.9km/h).

Average humidity in December
Nayoro, Japan

  • Average humidity in December: 93%

The month with the highest relative humidity is January (95%).
The month with the lowest relative humidity is May (79%).

Average rainfall in December
Nayoro, Japan

  • Average rainfall in December: 100mm

The wettest month (with the highest rainfall) is August (121mm).
The driest month (with the least rainfall) is April (50mm).

Average rainfall days in December
Nayoro, Japan

  • Average rainfall days in December: 5.7 days

The month with the highest number of rainy days is August (20.6 days).
The month with the least rainy days is January (2.4 days).

Average snowfall in December
Nayoro, Japan

  • Average snowfall in December: 688mm

The month with the highest snowfall is December (688mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Nayoro, Japan

  • Average snowfall days in December: 27.5 days

The month with the highest number of snowfall days is January (28.3 days).
The months with the least snowfall days are June, July, August and September (0 days).

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

  • Average daylight in December: 8h and 54min

The month with the longest days is June (Average daylight: 15h and 30min).
The month with the shortest days is December (Average daylight: 8h and 54min).

  • Average sunshine in December: 1h and 12min

The months with the most sunshine are May and August (Average sunshine: 7h and 12min).
The month with the least sunshine is January (Average sunshine: 1h and 0min).

Average sunshine days in December
Nayoro, Japan

  • Average sunshine days in December: 1.8 days

The month with the most sunshine days is May (12.1 days).
The month with the least sunshine days is December (1.8 days).

Average UV index in December
Nayoro, Japan

  • Average UV index in December: 1

The month with the highest UV index is July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in December
Nayoro, Japan

  • Average cloud cover in December: 88

The month with the most cloud cover is January (Cloud cover 90).
The month with the least cloud cover is September (Cloud cover 54).

Average visibility in December
Nayoro, Japan

  • Average visibility in December: 5km

The months with the highest visibility are April, May and October (8km).
The month with the lowest visibility is January (4km).