April 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 April

April in Tallinn, Estonia, is a frosty spring month, with average temperature ranging between min 0.6°C (33.1°F) and max 9.2°C (48.6°F).

Temperature

In April, the average high-temperature rises, from a cold 2.3°C (36.1°F) in March, to a frosty 9.2°C (48.6°F). The average low-temperature, in April, is 0.6°C (33.1°F).

Humidity

In April, the average relative humidity in Tallinn is 73%.

Rainfall

April is the month with the least rainfall. Rain falls for 8 days and accumulates 30mm (1.18") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Tallinn. In Tallinn, during April, snow falls for 2 days. In Tallinn, during the entire year, snow falls for 55.1 days.

Sea temperature

In Tallinn, the average seawater temperature is 1.8°C (35.2°F).
Note: For swimming, this is considered extremely cold, dangerous, and life-threatening. Unless suitably protected with insulated waterproof clothing, hypothermia quickly occurs.

Daylight

In April, the average length of the day in Tallinn, Estonia, is 14.6h.

Sunshine

In April, the average sunshine is 6.2h.

UV index

The average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium health hazard from the exposure to the Sun's UV rays for the average person.
Note: The daily maximum UV index of 3 interpret into the following advice:
Take precautions - Protection against sun damage is advised. The solar radiation is most powerful near the mid-day, so the exposure to the direct Sun should be reduced accordingly. A wide-brim hat offers excellent sun protection for eyes, ears, face, and neck. Sunglasses with UVA and UVB protection significantly reduce eye damage from sun exposure. Tightly woven, loose-fitting clothes provide additional protection from the Sun. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in April in Tallinn?

The average high-temperature, in April, in Tallinn, Estonia, is 9.2°C (48.6°F), while the average low-temperature is 0.6°C (33.1°F).

What is the average humidity in April in Tallinn?

In April, the average relative humidity in Tallinn, Estonia, is 73%.

How many days does it rain in April in Tallinn?

In Tallinn, during April, the rain falls for 8 days and regularly aggregates up to 30mm (1.18") of precipitation.

What is the driest month in Tallinn?

April is the month with the least rainfall. Rain falls for 8 days and accumulates 30mm (1.18") of precipitation.

How many days does it snow in April in Tallinn?

In April, in Tallinn, snow falls for 2 days.

What is the water temperature in April in Tallinn?

In Tallinn, Estonia, in April, the average water temperature is 1.8°C (35.2°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 April in Tallinn?

In April, the average length of the day in Tallinn is 14.6h.

How long on average sun shines in April in Tallinn?

In April, the average sunshine is 6.2h.

What is the UV index intensity in April in Tallinn?

In Tallinn, the average daily maximum UV index in April is 3. A UV Index value of 3 to 5 symbolizes a moderate health threat from unsafe exposure to the Sun's UV rays.

Average temperature in April
Tallinn, Estonia

Average temperature in April - Tallinn, Estonia
  • Average high temperature in April: 9.2°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 April: 0.6°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 April
Tallinn, Estonia

Average humidity in April - Tallinn, Estonia
  • Average humidity in April: 73%

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 April
Tallinn, Estonia

Average rainfall in April - Tallinn, Estonia
  • Average rainfall in April: 30mm

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 April
Tallinn, Estonia

Average rainfall days in April - Tallinn, Estonia
  • Average rainfall days in April: 8 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 April
Tallinn, Estonia

Average snowfall days in April - Tallinn, Estonia
  • Average snowfall days in April: 2 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 April
Tallinn, Estonia

Average sea temperature in April - Tallinn, Estonia
  • Average sea temperature in April: 1.8°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 April /
Average sunshine in April
Tallinn, Estonia

Average daylight in April / Average sunshine in April - Tallinn, Estonia
  • Average daylight in April: 14.6h

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 April: 6.2h

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 April
Tallinn, Estonia

Average UV index in April - Tallinn, Estonia
  • Average UV index in April: 3

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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