December weather forecast and climate
Jyväskylä, Finland

December, the first month of the winter, in Jyväskylä, is still a freezing cold month, with temperature in the range of an average low of -5.9°C (21.4°F) and an average high of -2.6°C (27.3°F).

Temperature

In Jyväskylä, the average high-temperature in December slightly decreases, from a cold 1.5°C (34.7°F) in November, to a freezing cold -2.6°C (27.3°F). In December, in Jyväskylä, Finland, the average low-temperature is -5.9°C (21.4°F).

Humidity

In December, the average relative humidity is 94%.

Rainfall

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

Snowfall

Months with snowfall are January through June, September through December. December is the month with the most snowfall in Jyväskylä. Snow falls for 19.3 days and accumulates 185mm (7.28") of snow.

Daylight

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

Sunshine

The month with the least sunshine is December, with an average of 0.8h of sunshine.

UV index

Months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: The daily maximum UV index of 1 in December interpret into the following advice:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.

What is the temperature in December in Jyväskylä?

In Jyväskylä, in December, the average high-temperature is -2.6°C (27.3°F), and the average low-temperature is -5.9°C (21.4°F).

What is the average humidity in December in Jyväskylä?

In Jyväskylä, the average relative humidity in December is 94%.

How much does it rain in Jyväskylä in December?

In December, in Jyväskylä, Finland, the rain falls for 6 days. Throughout December, 33mm (1.3") of precipitation is accumulated.

How much does it snow in Jyväskylä in December?

In Jyväskylä, in December, snow falls for 19.3 days, with typically accumulated 185mm (7.28") of snow.

What is the snowiest month in Jyväskylä?

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

What is the month with the shortest days in Jyväskylä?

With an average of 5.3h of daylight, December has the shortest days of the year.

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

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

What is the month with the least sunshine in Jyväskylä?

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

How long on average sun shines in December in Jyväskylä?

In December, the average sunshine is 0.8h.

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

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

How high is the UV index in December in Jyväskylä?

In December, the average daily maximum UV index in Jyväskylä is 1. A UV Index value of 2, and less, symbolizes a low health threat from the exposure to the Sun's UV rays.
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).

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).

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).

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%).

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).

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).

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).

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).

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).

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).

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).

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).

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).