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

Weather in January

January, the same as December, in Tallinn, Estonia, is a freezing cold winter month, with average temperature ranging between min -5.8°C (21.6°F) and max -1.2°C (29.8°F).

Temperature

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

Humidity

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

Rainfall

In Tallinn, during January, the rain falls for 4 days and regularly aggregates up to 49mm (1.93") of precipitation. Throughout the year, in Tallinn, Estonia, there are 120 rainfall days, and 617mm (24.29") of precipitation is accumulated.

Snowfall

January through May, October through December are months with snowfall in Tallinn. The month with the most snowfall days is January when snow falls for 14 days.

Sea temperature

In Tallinn, in January, the average water temperature is 0.9°C (33.6°F).
Note: 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.

Daylight

In Tallinn, Estonia, the average length of the day is 7h.

Sunshine

In Tallinn, the average sunshine 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 health risk from the exposure to the Sun's UV radiation for ordinary individuals.
Note: The daily maximum UV index of 0 in January interpret into the following advice:
For the majority, extended sun exposure is not of great concern. Infants and people with sensitive skin must always be protected. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. 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 most humid month in Tallinn?

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

What is the average humidity in January in Tallinn?

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

How many days does it rain in January in Tallinn?

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

When does it snow the most in Tallinn?

January has the most snowfall days of the year. Snow falls for 14 days.

How many days does it snow in January in Tallinn?

In January, in Tallinn, snow falls for 14 days.

What is the water temperature in January in Tallinn?

In Tallinn, Estonia, in January, the average water temperature is 0.9°C (33.6°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 average length of the day in January in Tallinn?

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

How long on average sun shines in January in Tallinn?

In Tallinn, the average sunshine in January is 0.8h.

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

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

How high is the UV index in January in Tallinn?

In Tallinn, the average daily maximum UV index in January is 0. A UV Index reading of 2, and below, represents a minimal hazard to health from the exposure to the Sun's UV rays.

Average temperature in January
Tallinn, Estonia

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).

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Average humidity in January
Tallinn, Estonia

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%).

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Average rainfall in January
Tallinn, Estonia

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).

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Average rainfall days in January
Tallinn, Estonia

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).

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Average snowfall days in January
Tallinn, Estonia

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).

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Average sea temperature in January
Tallinn, Estonia

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).

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

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).

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Average UV index in January
Tallinn, Estonia

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).

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