December weather forecast
Nellim, Finland

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Weather in December

December brings unambiguous winter weather to Nellim. Long nights dominate the season with extended periods of darkness and minimal daylight hours. The reduced daylight further lowers temperatures, making December amongst the coldest months of the year. Snowfall rates are high, adding to the already substantial accumulation from November. Consequently, December has the highest average snowfall of the year with 155mm (6.1"), creating a thick blanket of snow.

Temperature

The beginning of December in Nellim reveals an average high-temperature of a still freezing cold -5.3°C (22.5°F), showing minimal deviation from the previous month. In Nellim, the December nights are characterized by an average low-temperature of -10.1°C (13.8°F), a minor dip from daytime readings.

Humidity

In December, the average relative humidity in Nellim is 92%.

Rainfall

In Nellim, in December, it is raining for 2.5 days, with typically 27mm (1.06") of accumulated precipitation. Throughout the year, in Nellim, there are 115.3 rainfall days, and 395mm (15.55") of precipitation is accumulated.

Snowfall

January through June, September through December are months with snowfall. In Nellim, during December, snow falls for 20.2 days and regularly aggregates up to 155mm (6.1") of snow. In Nellim, during the entire year, snow falls for 130.8 days and aggregates up to 1094mm (43.07") of snow.

Daylight

In December, the average length of the day is 0h and 3min.

Sunshine

December has the least sunshine of the year, with an average of 0.3h of sunshine.

UV index

The months with the lowest UV index in Nellim are January through April, October through December, with an average maximum UV index of 1. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 1 during December translates into the following guidance:
Prolonged sun exposure generally does not trouble most people. However, it is vital to ensure protection for babies, children, and individuals with sensitive skin. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. On bright days sunglasses that block both UVA and UVB rays should be worn. A hat with a wide brim is extremely helpful, as it can prevent roughly 50% of UV radiation from reaching the eyes. Be careful! The Sun's UV radiation can nearly be doubled by the reflective quality of snow.
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Frequently asked questions

How cold is December in Nellim?

Nellim in December has an average high-temperature of -5.3°C (22.5°F) and an average low-temperature of -10.1°C (13.8°F).

What is the average humidity in December in Nellim?

The average relative humidity in December in Nellim is 92%.

How much does it rain in Nellim in December?

In December, in Nellim, Finland, the rain falls for 2.5 days. Throughout December, 27mm (1.06") of precipitation is accumulated.

How many days does it snow in December in Nellim?

In Nellim, Finland, in December, during 20.2 snowfall days, 155mm (6.1") of snow is typically accumulated.

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

In December, the average day length in Nellim is 0h and 3min.

What is the month with the least sunshine in Nellim?

December has the least sunshine of the year in Nellim, Finland, with an average of 0.3h of sunshine.

How many hours of sunshine does Nellim have in December?

In December, the average sunshine duration in Nellim, Finland, is 0.3h.

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

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

How high is the UV index in December in Nellim?

The average daily maximum UV index in December in Nellim, Finland, is 1. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unprotected exposure to UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility

Average temperature in December
Nellim, Finland

Average temperature in December - Nellim, Finland
  • Average high temperature in December: -5.3°C

The warmest month (with the highest average high temperature) is July (17.3°C).
The month with the lowest average high temperature is January (-8.5°C).

  • Average low temperature in December: -10.1°C

The month with the highest average low temperature is July (10.3°C).
The coldest month (with the lowest average low temperature) is January (-14°C).

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Average pressure in December
Nellim, Finland

Average pressure in December - Nellim, Finland
  • Average pressure in December: 1004.2mbar

The month with the highest atmospheric pressure is May (1014.6mbar).
The month with the lowest atmospheric pressure is December (1004.2mbar).

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Average wind speed in December
Nellim, Finland

Average wind speed in December - Nellim, Finland
  • Average wind speed in December: 15.7km/h

The windiest month (with the highest average wind speed) is March (16.2km/h).
The calmest month (with the lowest average wind speed) is August (12.6km/h).

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Average humidity in December
Nellim, Finland

Average humidity in December - Nellim, Finland
  • Average humidity in December: 92%

The month with the highest relative humidity is January (94%).
The month with the lowest relative humidity is June (67%).

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Average rainfall in December
Nellim, Finland

Average rainfall in December - Nellim, Finland
  • Average rainfall in December: 27mm

The wettest months (with the highest rainfall) are June and July (48mm).
The driest month (with the least rainfall) is February (21mm).

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Average rainfall days in December
Nellim, Finland

Average rainfall days in December - Nellim, Finland
  • Average rainfall days in December: 2.5 days

The month with the highest number of rainy days is July (17.8 days).
The month with the least rainy days is February (1.9 days).

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Average snowfall in December
Nellim, Finland

Average snowfall in December - Nellim, Finland
  • Average snowfall in December: 155mm

The month with the highest snowfall is January (166mm).
The months with the least snowfall are July and August (0mm).

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Average snowfall days in December
Nellim, Finland

Average snowfall days in December - Nellim, Finland
  • Average snowfall days in December: 20.2 days

The month with the highest number of snowfall days is December (20.2 days).
The month with the least snowfall days is July (0 days).

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

Average daylight in December / Average sunshine in December - Nellim, Finland
  • Average daylight in December: 0h and 0min

The month with the longest days is August (Average daylight: 17h and 42min).
The month with the shortest days is June (Average daylight: 0h and 0min).

  • Average sunshine in December: 0h and 2min

The month with the most sunshine is August (Average sunshine: 7h and 54min).
The month with the least sunshine is December (Average sunshine: 0h and 18min).

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Average sunshine days in December
Nellim, Finland

Average sunshine days in December - Nellim, Finland
  • Average sunshine days in December: 11 days

The month with the most sunshine days is January (13.8 days).
The month with the least sunshine days is April (8.1 days).

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Average UV index in December
Nellim, Finland

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

The months with the highest UV index are June and July (UV index 4).
The 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
Nellim, Finland

Average cloud cover in December - Nellim, Finland
  • Average cloud cover in December: 74

The month with the most cloud cover is January (Cloud cover 76).
The month with the least cloud cover is July (Cloud cover 56).

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Average visibility in December
Nellim, Finland

Average visibility in December - Nellim, Finland
  • Average visibility in December: 7km

The month with the highest visibility is June (10km).
The months with the lowest visibility are January, February, April and December (7km).

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Nellim, Finland

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