December weather forecast and climate
Sapporo, Japan

Weather in December

December, the first month of the winter, in Sapporo, is still a freezing cold month, with temperature in the range of an average low of -6.5°C (20.3°F) and an average high of -1.3°C (29.7°F).

Temperature

In Sapporo, Japan, the average high-temperature decreases, from a cold 5.5°C (41.9°F) in November, to a subzero cold -1.3°C (29.7°F). In Sapporo, the average low-temperature is -6.5°C (20.3°F).

Humidity

In December, the average relative humidity is 87%.

Rainfall

In December, in Sapporo, the rain falls for 10 days. Throughout December, 79mm (3.11") of precipitation is accumulated. In Sapporo, during the entire year, the rain falls for 167 days and collects up to 843mm (33.19") of precipitation.

Snowfall

Months with snowfall are January through April, October through December. In Sapporo, during 24.8 snowfall days, 427mm (16.81") of snow is typically accumulated. In Sapporo, during the entire year, snow falls for 111.9 days, and aggregates up to 1723mm (67.83") of snow.

Daylight

The month with the shortest days in Sapporo is December, with an average of 9.1h of daylight.

Sunshine

In Sapporo, the average sunshine in December is 2.7h.

UV index

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index in Sapporo, Japan. A UV Index of 2, and less, symbolizes a low health risk from unsafe exposure to the UV radiation for the ordinary person.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. 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. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the average humidity in December in Sapporo?

The average relative humidity in December in Sapporo is 87%.

How much does it rain in Sapporo in December?

In Sapporo, in December, it is raining for 10 days, with typically 79mm (3.11") of accumulated precipitation.

How many days does it snow in December in Sapporo?

In Sapporo, during December, snow falls for 24.8 days and regularly aggregates up to 427mm (16.81") of snow.

What is the month with the shortest days in Sapporo?

December has the shortest days of the year in Sapporo, with an average of 9.1h of daylight.

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

In Sapporo, the average length of the day in December is 9.1h.

How long on average sun shines in December in Sapporo?

In Sapporo, Japan, the average sunshine in December is 2.7h.

When is the lowest UV index in Sapporo?

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

How high is the UV index in December in Sapporo?

The average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV radiation.

Average temperature in December
Sapporo, Japan

Average temperature in December - Sapporo, Japan
  • Average high temperature in December: -1.3°C

The warmest month (with the highest average high temperature) is August (24.2°C).
The month with the lowest average high temperature is January (-3.7°C).

  • Average low temperature in December: -6.5°C

The month with the highest average low temperature is August (16.3°C).
The coldest month (with the lowest average low temperature) is February (-10°C).

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Average pressure in December
Sapporo, Japan

Average pressure in December - Sapporo, Japan
  • Average pressure in December: 1013.1mbar

The month with the highest atmospheric pressure is November (1016.2mbar).
The month with the lowest atmospheric pressure is July (1008.6mbar).

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Average wind speed in December
Sapporo, Japan

Average wind speed in December - Sapporo, Japan
  • Average wind speed in December: 12.8km/h

The windiest months (with the highest average wind speed) are April and December (12.8km/h).
The calmest month (with the lowest average wind speed) is August (8.8km/h).

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Average humidity in December
Sapporo, Japan

Average humidity in December - Sapporo, Japan
  • Average humidity in December: 87%

The month with the highest relative humidity is January (90%).
Months with the lowest relative humidity are April and May (77%).

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Average rainfall in December
Sapporo, Japan

Average rainfall in December - Sapporo, Japan
  • Average rainfall in December: 79mm

The wettest month (with the highest rainfall) is August (112mm).
The driest month (with the least rainfall) is April (51mm).

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Average rainfall days in December
Sapporo, Japan

Average rainfall days in December - Sapporo, Japan
  • Average rainfall days in December: 10 days

The month with the highest number of rainy days is August (19.5 days).
The month with the least rainy days is February (5.3 days).

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Average snowfall in December
Sapporo, Japan

Average snowfall in December - Sapporo, Japan
  • Average snowfall in December: 427mm

The month with the highest snowfall is January (430mm).
Months with the least snowfall are May, June, July, August and September (0mm).

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Average snowfall days in December
Sapporo, Japan

Average snowfall days in December - Sapporo, Japan
  • Average snowfall days in December: 24.8 days

The month with the highest number of snowfall days is January (28 days).
Months with the least snowfall days are May, June, July, August and September (0 days).

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

Average daylight in December / Average sunshine in December - Sapporo, Japan
  • Average daylight in December: 9.1h

The month with the longest days is June (Average daylight: 15.3h).
The month with the shortest days is December (Average daylight: 9.1h).

  • Average sunshine in December: 2.7h

The month with the most sunshine is August (Average sunshine: 8.8h).
The month with the least sunshine is January (Average sunshine: 2.2h).

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Average sunshine days in December
Sapporo, Japan

Average sunshine days in December - Sapporo, Japan
  • Average sunshine days in December: 2.7 days

The month with the most sunshine days is May (13.4 days).
The month with the least sunshine days is December (2.7 days).

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Average UV index in December
Sapporo, Japan

Average UV index in December - Sapporo, Japan
  • Average UV index in December: 1

Months with the highest UV index are June, July and August (UV index 5).
Months with the lowest UV index are January, February, March, November and December (UV index 1).

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Average cloud cover in December
Sapporo, Japan

Average cloud cover in December - Sapporo, Japan
  • Average cloud cover in December: 73

The month with the most cloud cover is January (Cloud cover 78).
The month with the least cloud cover is September (Cloud cover 41).

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Average visibility in December
Sapporo, Japan

Average visibility in December - Sapporo, Japan
  • Average visibility in December: 7km

Months with the highest visibility are April, May and October (9km).
The month with the lowest visibility is January (6km).

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