December weather forecast
Tallinn, Estonia

A beautiful summer view of an ancient town in Tallinn, Estonia
A beautiful summer view of an ancient town in Tallinn, Estonia

Weather in December

December, the first month of the winter in Tallinn, is still a cold month, with an average temperature fluctuating between 0.3°C (32.5°F) and -4.2°C (24.4°F).

Temperature

In December, the average high-temperature marginally drops from 3.4°C (38.1°F) in November to a still cold 0.3°C (32.5°F). In December, the average low-temperature is -4.2°C (24.4°F).

Humidity

The months with the highest humidity in Tallinn are January, November and December, with an average relative humidity of 88%.

Rainfall

In December, the rain falls for 5 days. Throughout December, 49mm (1.93") of precipitation is accumulated. In Tallinn, during the entire year, the rain falls for 120 days and collects up to 617mm (24.29") of precipitation.

Snowfall

Months with snowfall are January through May, October through December. In December, in Tallinn, snow falls for 11 days. In Tallinn, Estonia, during the entire year, snow falls for 55.1 days.

Sea temperature

In Tallinn, the average water temperature is 3.9°C (39°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

With an average of 6h and 13min of daylight, December has the shortest days of the year in Tallinn, Estonia.
On the first day of December, sunrise is at 08:51 and sunset at 15:28. On the last day of the month, sunrise is at 09:18 and sunset at 15:29 EET.

Sunshine

The month with the least sunshine in Tallinn is December, with an average of 0.5h of sunshine.

UV index

January, November and December, with an average maximum UV index of 0, are months with the lowest UV index in Tallinn. A UV Index value of 2, and less, symbolizes a minimal health vulnerability from unsafe exposure to UV radiation for average individuals.
Note: The average daily UV index of 0 in December 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. 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. 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 Tallinn?

The average high-temperature, in December, in Tallinn, is 0.3°C (32.5°F), while the average low-temperature is -4.2°C (24.4°F).

What is the most humid month in Tallinn?

The months with the highest humidity in Tallinn, Estonia, are January, November and December, with an average relative humidity of 88%.

What is the average humidity in December in Tallinn?

In Tallinn, Estonia, the average relative humidity in December is 88%.

How much does it rain in Tallinn in December?

In Tallinn, Estonia, in December, during 5 rainfall days, 49mm (1.93") of precipitation is typically accumulated.

How many days does it snow in December in Tallinn?

In Tallinn, during December, snow falls for 11 days.

What is the water temperature in December in Tallinn?

In Tallinn, in December, the average water temperature is 3.9°C (39°F). For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

What is the month with the shortest days in Tallinn?

December has the shortest days of the year, with an average of 6h and 13min of daylight.

How many hours of daylight does Tallinn have in December?

The average day length in December is 6h and 13min.

When are sunrise and sunset in December in Tallinn?

In December, on the first day of the month, sunrise is at 08:51 and sunset at 15:28. On the last day of the month, in Tallinn, Estonia, sunrise is at 09:18 and sunset at 15:29 EET.

What is the month with the least sunshine in Tallinn?

December has the least sunshine of the year, with an average of 0.5h of sunshine.

How long on average sun shines in December in Tallinn?

In Tallinn, the average sunshine duration in December is 0.5h.

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

The months with the lowest UV index in Tallinn, Estonia, are January, November and December, with an average maximum UV index of 0.

What is the UV index reading in December in Tallinn?

In Tallinn, the average daily maximum UV index in December is 0. A UV Index estimate of 2, and below, represents a minimal hazard to health from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in December
Tallinn, Estonia

Average temperature in December - Tallinn, Estonia
  • Average high temperature in December: 0.3°C

The warmest month (with the highest average high temperature) is July (21.8°C).
The month with the lowest average high temperature is February (-1.6°C).

  • Average low temperature in December: -4.2°C

The month with the highest average low temperature is July (12.7°C).
The coldest month (with the lowest average low temperature) is February (-7°C).

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Average humidity in December
Tallinn, Estonia

Average humidity in December - Tallinn, Estonia
  • Average humidity in December: 88%

The months with the highest relative humidity are January, November and December (88%).
The month with the lowest relative humidity is May (69%).

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Average rainfall in December
Tallinn, Estonia

Average rainfall in December - Tallinn, Estonia
  • Average rainfall in December: 49mm

The wettest month (with the highest rainfall) is July (74mm).
The driest month (with the least rainfall) is April (30mm).

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Average rainfall days in December
Tallinn, Estonia

Average rainfall days in December - Tallinn, Estonia
  • Average rainfall days in December: 5 days

The months with the highest number of rainy days are September and October (16 days).
The month with the least rainy days is February (3 days).

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Average snowfall days in December
Tallinn, Estonia

Average snowfall days in December - Tallinn, Estonia
  • Average snowfall days in December: 11 days

The month with the highest number of snowfall days is January (14 days).
The months with the least snowfall days are June, July, August and September (0 days).

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Average sea temperature in December
Tallinn, Estonia

Average sea temperature in December - Tallinn, Estonia
  • Average sea temperature in December: 3.9°C

The best month for swimming (with the highest average sea temperature) is August (19.1°C).
The coldest months (with the lowest average sea temperature) are February and March (0.2°C).

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Average daylight in December /
Average sunshine in December
Tallinn, Estonia

Average daylight in December / Average sunshine in December - Tallinn, Estonia
  • Average daylight in December: 6h and 13min

The month with the longest days is June (Average daylight: 18h and 31min).
The month with the shortest days is December (Average daylight: 6h and 13min).

  • Average sunshine in December: 0h and 30min

The month with the most sunshine is June (Average sunshine: 10h and 6min).
The month with the least sunshine is December (Average sunshine: 0h and 30min).

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Average UV index in December
Tallinn, Estonia

Average UV index in December - Tallinn, Estonia
  • Average UV index in December: 0

The months with the highest UV index are June and July (UV index 5).
The months with the lowest UV index are January, November and December (UV index 0).

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