April 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 April

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

Temperature

In Tallinn, the average high-temperature in April increases from a wintry 2.3°C (36.1°F) in March to a chilly 9.2°C (48.6°F). In April, the average low-temperature 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, during April, snow falls for 2 days. In Tallinn, during the entire year, snow falls for 55.1 days.

Sea temperature

In April, the average sea 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 is 14h and 33min.
On the first day of April in Tallinn, Estonia, sunrise is at 06:46 and sunset at 20:03. On the last day of the month, sunrise is at 05:23 and sunset at 21:12 EEST.

Sunshine

In April, the average sunshine is 6.2h.

UV index

In Tallinn, the average daily maximum UV index in April is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from unprotected exposure to Sun's UV rays for the average person.
Note: In April, the average maximum UV index of 3 translate into the following recommendations:
Take precautions. Light skin individuals may get burned in less than 30 minutes. 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 the 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. 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 April in Tallinn?

The average high-temperature, in April, in Tallinn, 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?

The average relative humidity in April is 73%.

What is the driest month in Tallinn?

The month with the least rainfall in Tallinn, Estonia, is April, when the rain falls for 8 days and typically collects 30mm (1.18") of precipitation.

How much does it rain in Tallinn in April?

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

How many days does it snow in April in Tallinn?

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

How cold is the water in April in Tallinn?

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

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

In April, the average day length in Tallinn, Estonia, is 14h and 33min.

When are sunrise and sunset in April in Tallinn?

In April, on the first day of the month, sunrise is at 06:46 and sunset at 20:03. On the last day of the month, in Tallinn, sunrise is at 05:23 and sunset at 21:12 EEST.

How long on average sun shines in April in Tallinn?

The average sunshine duration in April in Tallinn is 6.2h.

What is the UV index reading in April in Tallinn?

The average daily maximum UV index in April in Tallinn, Estonia, is 3. A UV Index reading of 3 to 5 represents a moderate health threat from exposure to Sun's UV rays.
Average humidity
Average rainfall days
Average snowfall days
Average sunshine
Average UV index

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%

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 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

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 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).
The 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: 14h and 33min

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 April: 6h and 12min

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 April
Tallinn, Estonia

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

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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