December weather forecast and climate
Muonio, Finland

Weather in December

December, the first month of the winter, in Muonio, is still a freezing cold month, with average temperature varying between -12.3°C (9.9°F) and -6.5°C (20.3°F).

Temperature

In Muonio, the average high-temperature is practically the same as in November - a still freezing cold -6.5°C (20.3°F). In December, in Muonio, the average low-temperature is -12.3°C (9.9°F).

Humidity

The average relative humidity in Muonio is 94%.

Rainfall

In December, the rain falls for 2.8 days. Throughout December, 29mm (1.14") of precipitation is accumulated. In Muonio, during the entire year, the rain falls for 107 days and collects up to 379mm (14.92") of precipitation.

Snowfall

January through June, September through December are months with snowfall in Muonio, Finland. December is the month with the most snowfall in Muonio. Snow falls for 21.4 days and accumulates 213mm (8.39") of snow.

Daylight

December has the shortest days of the year in Muonio, with an average of 0.5h of daylight.

Sunshine

The month with the least sunshine is December, with an average of 0.4h of sunshine.

UV index

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Muonio. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to the UV radiation for the ordinary person.
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 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. 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 temperature in December in Muonio?

The average high-temperature, in December, in Muonio, Finland, is -6.5°C (20.3°F), while the average low-temperature is -12.3°C (9.9°F).

What is the average humidity in December in Muonio?

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

How much does it rain in Muonio in December?

In Muonio, in December, it is raining for 2.8 days, with typically 29mm (1.14") of accumulated precipitation.

How much does it snow in Muonio in December?

In Muonio, Finland, in December, snow falls for 21.4 days, with typically accumulated 213mm (8.39") of snow.

When does it snow the most in Muonio?

December is the month with the most snowfall in Muonio, Finland. Snow falls for 21.4 days and accumulates 213mm (8.39") of snow.

What is the month with the shortest days in Muonio?

December has the shortest days of the year in Muonio, with an average of 0.5h of daylight.

How many hours of daylight does Muonio have in December?

In December, the average length of the day is 0.5h.

What is the month with the least sunshine in Muonio?

December has the least sunshine of the year in Muonio, Finland, with an average of 0.4h of sunshine.

How long on average sun shines in December in Muonio?

In Muonio, the average sunshine in December is 0.4h.

When is the lowest UV index in Muonio?

January through April, October through December, with an average maximum UV index of 1, are months with the lowest UV index in Muonio, Finland.

How high is the UV index in December in Muonio?

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

Average temperature in December
Muonio, Finland

Average temperature in December - Muonio, Finland
  • Average high temperature in December: -6.5°C

The warmest month (with the highest average high temperature) is July (18.2°C).
The month with the lowest average high temperature is January (-9.3°C).

  • Average low temperature in December: -12.3°C

The month with the highest average low temperature is July (9.8°C).
The coldest month (with the lowest average low temperature) is January (-15.3°C).

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Average pressure in December
Muonio, Finland

Average pressure in December - Muonio, Finland
  • Average pressure in December: 1004.3mbar

The month with the highest atmospheric pressure is May (1014.3mbar).
The month with the lowest atmospheric pressure is December (1004.3mbar).

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Average wind speed in December
Muonio, Finland

Average wind speed in December - Muonio, Finland
  • Average wind speed in December: 11.5km/h

The windiest month (with the highest average wind speed) is June (12.8km/h).
The calmest month (with the lowest average wind speed) is April (10.4km/h).

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Average humidity in December
Muonio, Finland

Average humidity in December - Muonio, 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 June (66%).

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Average rainfall in December
Muonio, Finland

Average rainfall in December - Muonio, Finland
  • Average rainfall in December: 29mm

The wettest month (with the highest rainfall) is July (50mm).
The driest months (with the least rainfall) are February, March and April (21mm).

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Average rainfall days in December
Muonio, Finland

Average rainfall days in December - Muonio, Finland
  • Average rainfall days in December: 2.8 days

The month with the highest number of rainy days is July (17.4 days).
The month with the least rainy days is February (1.5 days).

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Average snowfall in December
Muonio, Finland

Average snowfall in December - Muonio, Finland
  • Average snowfall in December: 213mm

The month with the highest snowfall is December (213mm).
Months with the least snowfall are July and August (0mm).

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Average snowfall days in December
Muonio, Finland

Average snowfall days in December - Muonio, Finland
  • Average snowfall days in December: 21.4 days

The month with the highest number of snowfall days is December (21.4 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
Muonio, Finland

Average daylight in December / Average sunshine in December - Muonio, Finland
  • Average daylight in December: 0.5h

The month with the longest days is June (Average daylight: 24h).
The month with the shortest days is December (Average daylight: 0.5h).

  • Average sunshine in December: 0.4h

The month with the most sunshine is August (Average sunshine: 8.4h).
The month with the least sunshine is December (Average sunshine: 0.4h).

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Average sunshine days in December
Muonio, Finland

Average sunshine days in December - Muonio, Finland
  • Average sunshine days in December: 10.3 days

The month with the most sunshine days is October (13.8 days).
The month with the least sunshine days is April (9.4 days).

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Average UV index in December
Muonio, Finland

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

Months with the highest UV index are June and July (UV index 4).
Months with the lowest UV index are January, February, March, April, October, November and December (UV index 1).

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Average cloud cover in December
Muonio, Finland

Average cloud cover in December - Muonio, Finland
  • Average cloud cover in December: 75

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 54).

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Average visibility in December
Muonio, Finland

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

The month with the highest visibility is June (10km).
The month with the lowest visibility is January (5km).

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