December weather forecast
Lemi, Finland

December

Weather in December

December, the first month of the winter in Lemi, is also a subzero cold month, with an average temperature ranging between min -4.8°C (23.4°F) and max -1.3°C (29.7°F).

Temperature

The average high-temperature slightly decreases in December, shifting from a wintry 2.5°C (36.5°F) in November to a subzero cold -1.3°C (29.7°F). In December, a low-temperature average of -4.8°C (23.4°F) is characteristic of Lemi, marking a minor shift from daytime temperatures.

Humidity

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

Rainfall

In Lemi, in December, during 9.4 rainfall days, 51mm (2.01") of precipitation is typically accumulated. Throughout the year, there are 150.8 rainfall days, and 525mm (20.67") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Lemi. In December, it is snowing for 21.8 days. Throughout December, 235mm (9.25") of snow is accumulated. In Lemi, during the entire year, snow falls for 116.2 days and aggregates up to 1228mm (48.35") of snow.

Daylight

With an average of 5h and 42min of daylight, December has the shortest days of the year.
On the first day of the month, sunrise is at 08:53 and sunset at 15:02. On the last day of December, in Lemi, Finland, sunrise is at 09:21 and sunset at 15:02 EET.

Sunshine

With an average of 0.9h of sunshine, December has the least sunshine of the year.

UV index

The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1. A UV Index estimate of 2, and below, represents a minimal health hazard from exposure to the Sun's UV radiation for ordinary individuals.
Note: A maximum high daily UV index of 1 during December translates into the following directions:
Those with sensitive skin, infants, and children require constant safeguarding from prolonged sun exposure. Given the potency of the midday Sun's UV radiation, one should avoid prolonged exposure. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Remember to consider! The UV radiation from the Sun can be intensified nearly twice by the reflection of snow.

Frequently asked questions

How cold is it in Lemi in December?
In Lemi, -1.3°C (29.7°F) is the average high-temperature and -4.8°C (23.4°F) is the average low-temperature during December.
What is the average humidity in December in Lemi?
In December, the average relative humidity in Lemi, Finland, is 92%.
How many days does it rain in December in Lemi?
In December, in Lemi, Finland, the rain falls for 9.4 days. Throughout December, 51mm (2.01") of precipitation is accumulated.
How many days does it snow in December in Lemi?
In Lemi, Finland, during December, snow falls for 21.8 days and regularly aggregates up to 235mm (9.25") of snow.
What is the month with the shortest days in Lemi?
December has the shortest days of the year, with an average of 5h and 42min of daylight.
What is the average length of the day in December in Lemi?
The average day length in December in Lemi, Finland, is 5h and 41min.
When are sunrise and sunset in December in Lemi?
In December, on the first day of the month, sunrise is at 08:53 and sunset at 15:02. On the last day of the month, sunrise is at 09:21 and sunset at 15:02 EET.
What is the month with the least sunshine in Lemi?
December has the least sunshine of the year, with an average of 0.9h of sunshine.
How long on average sun shines in December in Lemi?
In Lemi, the average sunshine duration in December is 0.9h.
When is the lowest UV index in Lemi?
The months with the lowest UV index are January through March, November and December, with an average maximum UV index of 1.
What is the UV index reading in December in Lemi?
In Lemi, the average daily maximum UV index in December is 1. A UV Index value of 2, and less, symbolizes a low health risk from unsafe exposure to Sun's UV rays.
Average high temperature
Average low temperature
Average wind speed
Average max. wind speed
Average wind speed gusts
Average humidity
Average rainfall
Average rainfall days
Average snowfall
Average snowfall days
Average daylight
Average sunshine
Average sunshine days
Average UV index
Average cloud cover
Average visibility
Average temperature in December
Lemi, Finland
  • Average high temperature in December: -1.3°C

The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is January (-4.7°C).

  • Average low temperature in December: -4.8°C

The month with the highest average low temperature is July (13.3°C).
The coldest month (with the lowest average low temperature) is January (-8.6°C).

Average pressure in December
Lemi, Finland
  • Average pressure in December: 1008.9mbar

The month with the highest atmospheric pressure is May (1014.8mbar).
The month with the lowest atmospheric pressure is December (1008.9mbar).

Average wind speed in December
Lemi, Finland
  • Average wind speed in December: 13.7km/h

The windiest month (with the highest average wind speed) is December (13.7km/h).
The calmest months (with the lowest average wind speed) are July and August (10.6km/h).

Average humidity in December
Lemi, Finland
  • Average humidity in December: 92%

The month with the highest relative humidity is February (95%).
The month with the lowest relative humidity is May (66%).

Average rainfall in December
Lemi, Finland
  • Average rainfall in December: 51mm

The wettest month (with the highest rainfall) is August (53mm).
The driest month (with the least rainfall) is April (32mm).

Average rainfall days in December
Lemi, Finland
  • Average rainfall days in December: 9.4 days

The month with the highest number of rainy days is July (18.1 days).
The month with the least rainy days is February (4.3 days).

Average snowfall in December
Lemi, Finland
  • Average snowfall in December: 235mm

The month with the highest snowfall is January (262mm).
The months with the least snowfall are June, July, August and September (0mm).

Average snowfall days in December
Lemi, Finland
  • Average snowfall days in December: 21.8 days

The month with the highest number of snowfall days is January (22.8 days).
The months with the least snowfall days are June, July and August (0 days).

Average daylight in December /
Average sunshine in December
Lemi, Finland
  • Average daylight in December: 5h and 4min

The month with the longest days is June (Average daylight: 19h and 6min).
The month with the shortest days is December (Average daylight: 5h and 42min).

  • Average sunshine in December: 0h and 5min

The month with the most sunshine is June (Average sunshine: 11h and 42min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).

Average sunshine days in December
Lemi, Finland
  • Average sunshine days in December: 4.7 days

The month with the most sunshine days is May (14.3 days).
The month with the least sunshine days is December (4.7 days).

Average UV index in December
Lemi, Finland
  • Average UV index in December: 1

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, February, March, November and December (UV index 1).

Average cloud cover in December
Lemi, Finland
  • Average cloud cover in December: 82

The month with the most cloud cover is February (Cloud cover 84).
The months with the least cloud cover are July and August (Cloud cover 42).

Average visibility in December
Lemi, Finland
  • Average visibility in December: 7km

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

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