January weather forecast and climate
Tallinn, Estonia

A beautiful summer view of an ancient town in Tallinn, Estonia
A beautiful summer view of an ancient town in Tallinn, Estonia
January, like December, is a freezing cold winter month in Tallinn, Estonia, with average temperature varying between -5.8°C (21.6°F) and -1.2°C (29.8°F).

Temperature

In Tallinn, the average high-temperature in January is relatively the same as in December - a subzero cold -1.2°C (29.8°F). The average low-temperature, is -5.8°C (21.6°F).

Humidity

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

Rainfall

In Tallinn, Estonia, it is raining for 4 days, with typically 49mm (1.93") of accumulated precipitation. 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 in Tallinn are January through May, October through December. The month with the most snowfall days in Tallinn is January when snow falls for 14 days.

Sea temperature

In Tallinn, the average water temperature is 0.9°C (33.6°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

The average length of the day in January is 7h.

Sunshine

The average sunshine in January is 0.8h.

UV index

Months with the lowest UV index are January, November and December, with an average maximum UV index of 0. A UV Index reading of 2, and below, represents a low threat to health from unprotected exposure to the Sun's UV rays for ordinary individuals.
Note: In January, the average maximum UV index of 0 translate into the following recommendations:
Extended sun exposure is not an issue for the majority. Children, infants, and fair-skinned individuals always need to be protected. 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.

What is the temperature in January in Tallinn?

In January, the average high-temperature is -1.2°C (29.8°F), and the average low-temperature is -5.8°C (21.6°F).

What are the most humid months in Tallinn?

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

What is the average humidity in January in Tallinn?

The average relative humidity in January in Tallinn is 88%.

How many days does it rain in January in Tallinn?

In Tallinn, Estonia, during January, the rain falls for 4 days and regularly aggregates up to 49mm (1.93") of precipitation.

How many days does it snow in January in Tallinn?

In January, snow falls for 14 days.

What is the snowiest month in Tallinn?

The month with the most snowfall days in Tallinn, Estonia, is January when snow falls for 14 days.

What is the sea temperature in January in Tallinn?

In Tallinn, Estonia, the average seawater temperature in January is 0.9°C (33.6°F). For swimming, this is considered very dangerous and immediately life-threatening. Total loss of breathing control instantly occurs, and clear thinking becomes almost impossible. A specialized swimsuit is obligatory to minimize thermal loss.

What is the average length of the day in January in Tallinn?

The average length of the day in January is 7h.

How many hours of sunshine does Tallinn have in January?

The average sunshine in January in Tallinn, Estonia, is 0.8h.

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

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

What is the UV index intensity in January in Tallinn?

In Tallinn, the average daily maximum UV index in January is 0. A UV Index estimate of 2, and below, represents a minimal hazard to health from unsafe exposure to the Sun's UV rays.
Average temperature in January - Tallinn, Estonia
  • Average high temperature in January: -1.2°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 January: -5.8°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).

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

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

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

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

Average rainfall days in January - Tallinn, Estonia
  • Average rainfall days in January: 4 days

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).

Average snowfall days in January - Tallinn, Estonia
  • Average snowfall days in January: 14 days

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

Average sea temperature in January - Tallinn, Estonia
  • Average sea temperature in January: 0.9°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).

Average daylight in January / Average sunshine in January - Tallinn, Estonia
  • Average daylight in January: 7h

The month with the longest days is June (Average daylight: 18.5h).
The month with the shortest days is December (Average daylight: 6.2h).

  • Average sunshine in January: 0.8h

The month with the most sunshine is June (Average sunshine: 10.1h).
The month with the least sunshine is December (Average sunshine: 0.5h).

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

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