December weather forecast
Jyväskylä, Finland

Weather in December

The first month of the winter, December, is still a freezing cold month in Jyväskylä, Finland, with average temperature varying between -2.6°C (27.3°F) and -5.9°C (21.4°F).

Temperature

In December, the average high-temperature marginally drops, from a wintry 1.5°C (34.7°F) in November, to a subzero cold -2.6°C (27.3°F). In Jyväskylä, the average low-temperature is -5.9°C (21.4°F).

Humidity

In December, the average relative humidity is 94%.

Rainfall

In December, the rain falls for 6 days. Throughout December, 33mm (1.3") of precipitation is accumulated. Throughout the year, there are 121.2 rainfall days, and 403mm (15.87") of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall in Jyväskylä. The month with the most snowfall in Jyväskylä is December when snow falls for 19.3 days and typically aggregates up to 185mm (7.28") of snow.

Daylight

The month with the shortest days is December, with an average of 5.3h of daylight.

Sunshine

December has the least sunshine of the year, with an average of 0.8h of sunshine.

UV index

January through March, November and December, with an average maximum UV index of 1, are months with the lowest UV index. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the UV radiation for ordinary individuals.
Note: The average daily UV index of 1 transform into the following instructions:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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. Beware! The strength of the UV rays is increased nearly double-fold by the reflection of the snow.
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FAQ

What is the average humidity in December in Jyväskylä?

The average relative humidity in December in Jyväskylä, Finland, is 94%.

How much does it rain in Jyväskylä in December?

In Jyväskylä, Finland, during December, the rain falls for 6 days and regularly aggregates up to 33mm (1.3") of precipitation.

When does it snow the most in Jyväskylä?

The month with the most snowfall in Jyväskylä, Finland, is December when snow falls for 19.3 days and typically aggregates up to 185mm (7.28") of snow.

How much does it snow in Jyväskylä in December?

In December, it is snowing for 19.3 days. Throughout December, 185mm (7.28") of snow is accumulated.

What is the month with the shortest days in Jyväskylä?

December has the shortest days of the year in Jyväskylä, with an average of 5.3h of daylight.

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

The average length of the day in December in Jyväskylä is 5.3h.

What is the month with the least sunshine in Jyväskylä?

December has the least sunshine of the year in Jyväskylä, Finland, with an average of 0.8h of sunshine.

How long on average sun shines in December in Jyväskylä?

The average sunshine in December in Jyväskylä, Finland, is 0.8h.

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

Months with the lowest UV index in Jyväskylä, Finland, are January through March, November and December, with an average maximum UV index of 1.

How high is the UV index in December in Jyväskylä?

In Jyväskylä, Finland, the average daily maximum UV index in December is 1. A UV Index estimate of 2, and below, represents a low health threat from unsafe exposure to the Sun's UV rays.

Average temperature in December
Jyväskylä, Finland

Average temperature in December - Jyväskylä, Finland
  • Average high temperature in December: -2.6°C

The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is January (-5.5°C).

  • Average low temperature in December: -5.9°C

The month with the highest average low temperature is July (12.2°C).
The coldest month (with the lowest average low temperature) is January (-9.7°C).

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Average pressure in December
Jyväskylä, Finland

Average pressure in December - Jyväskylä, Finland
  • Average pressure in December: 1007.6mbar

The month with the highest atmospheric pressure is May (1014.5mbar).
The month with the lowest atmospheric pressure is December (1007.6mbar).

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Average wind speed in December
Jyväskylä, Finland

Average wind speed in December - Jyväskylä, Finland
  • Average wind speed in December: 12.5km/h

The windiest month (with the highest average wind speed) is December (12.5km/h).
The calmest month (with the lowest average wind speed) is July (9.6km/h).

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Average humidity in December
Jyväskylä, Finland

Average humidity in December - Jyväskylä, Finland
  • Average humidity in December: 94%

Months with the highest relative humidity are January and February (95%).
The month with the lowest relative humidity is May (67%).

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Average rainfall in December
Jyväskylä, Finland

Average rainfall in December - Jyväskylä, Finland
  • Average rainfall in December: 33mm

The wettest month (with the highest rainfall) is July (50mm).
The driest months (with the least rainfall) are February and March (23mm).

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Average rainfall days in December
Jyväskylä, Finland

Average rainfall days in December - Jyväskylä, Finland
  • Average rainfall days in December: 6 days

The month with the highest number of rainy days is July (15.8 days).
The month with the least rainy days is February (2.3 days).

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Average snowfall in December
Jyväskylä, Finland

Average snowfall in December - Jyväskylä, Finland
  • Average snowfall in December: 185mm

The month with the highest snowfall is December (185mm).
Months with the least snowfall are July and August (0mm).

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Average snowfall days in December
Jyväskylä, Finland

Average snowfall days in December - Jyväskylä, Finland
  • Average snowfall days in December: 19.3 days

The month with the highest number of snowfall days is December (19.3 days).
Months with the least snowfall days are July and August (0 days).

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Average daylight in December /
Average sunshine in December
Jyväskylä, Finland

Average daylight in December / Average sunshine in December - Jyväskylä, Finland
  • Average daylight in December: 5.3h

The month with the longest days is June (Average daylight: 19.7h).
The month with the shortest days is December (Average daylight: 5.3h).

  • Average sunshine in December: 0.8h

The month with the most sunshine is June (Average sunshine: 11.5h).
The month with the least sunshine is December (Average sunshine: 0.8h).

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Average sunshine days in December
Jyväskylä, Finland

Average sunshine days in December - Jyväskylä, Finland
  • Average sunshine days in December: 9.6 days

The month with the most sunshine days is May (16.3 days).
The month with the least sunshine days is December (9.6 days).

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Average UV index in December
Jyväskylä, Finland

Average UV index in December - Jyväskylä, Finland
  • Average UV index in December: 1

The month with the highest UV index is July (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
Jyväskylä, Finland

Average cloud cover in December - Jyväskylä, Finland
  • Average cloud cover in December: 80

The month with the most cloud cover is January (Cloud cover 83).
Months with the least cloud cover are July and August (Cloud cover 45).

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Average visibility in December
Jyväskylä, Finland

Average visibility in December - Jyväskylä, Finland
  • Average visibility in December: 6km

Months with the highest visibility are May, June, July and August (9km).
Months with the lowest visibility are January and February (5km).

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