Sapporo
Japan
Long-term weather forecast
Long-term weather forecast
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December weather forecast and Climate
Sapporo, Japan

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  • The average high temperature in December: 2.1°C

The warmest month (with the highest average high temperature) is August (26.4°C).
The month with the lowest average high temperature is January (-0.6°C).

  • The average low temperature in December: -4.1°C

The month with the highest average low temperature is August (19.1°C).
The coldest month (with the lowest average low temperature) is January (-7°C).

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  • The average humidity in December: 69%

The month with the highest relative humidity is July (76%).
The month with the lowest relative humidity is April (62%).

  • The average rainfall in December: 111.7mm

The wettest month (with the highest rainfall) is September (135.2mm).
The driest month (with the lowest rainfall) is June (46.8mm).

  • The average rainfall days in December: 28.7 days

The month with the highest number of rainy days is January (29.1 days).
The month with the lowest number of rainy days is June (17.7 days).

  • The average snowfall in December: 1320mm

The month with the highest snowfall is January (1730mm).
Months with the lowest snowfall are May, June, July, August and September (0mm).

  • The average snowfall days in December: 26.5 days

The month with the highest number of snowfall days is January (28.8 days).
Months with the lowest number of snowfall days are June, July, August and September (0 days).

  • The average daylight in December: 9h

Months with the longest days are May, June and July (Average daylight: 15h).
Months with shortest days are January and December (Average daylight: 9h).

  • The average sunshine in December: 2.8h

The month with most sunshine is May (Average sunshine: 6.4h).
The month with least sunshine is December (Average sunshine: 2.8h).

  • The average UV index in December: 1

Months with the highest UV index are July and August (UV index 8).
Months with the lowest UV index are January and December (UV index 1).

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