August weather forecast
Tallinn, Estonia

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

Weather in August

As the last full summer month, August experiences slightly cooler temperatures than July. The heatwave from July subsides but maintains a comfortable warmth throughout the city. Rainfall measures close to previous month's level while daylight begins its decline towards autumn. The sea draws in many visitors, offering a respite from city explorations and cultural tours.

Temperature

Tallinn experiences an average high-temperature of a still agreeable 20.4°C (68.7°F) with the onset of August, subtly varied from July's 21.8°C (71.2°F). Throughout August, Tallinn records an average temperature of 12°C (53.6°F) at night.

Humidity

In August, the average relative humidity is 79%.

Rainfall

In August, in Tallinn, Estonia, the rain falls for 15 days. Throughout August, 73mm (2.87") of precipitation is accumulated. Throughout the year, there are 120 rainfall days, and 617mm (24.29") of precipitation is accumulated.

Snowfall

In Tallinn, snow does not fall in June through September.

Sea temperature

The month with the warmest seawater is August, with an average sea temperature of 19.1°C (66.4°F).
Note: The enjoyment of swimming decreases for most when the surface water temperature is 19.1°C (66.4°F). Breathing control becomes increasingly challenging as temperatures descend below 21°C (69.8°F).

Daylight

In Tallinn, the average length of the day in August is 15h and 29min.
On the first day of August in Tallinn, sunrise is at 05:06 and sunset at 21:47. On the last day of the month, sunrise is at 06:16 and sunset at 20:25 EEST.

Sunshine

The average sunshine in August is 7.4h.

UV index

In Tallinn, the average daily maximum UV index in August is 4. A UV Index reading of 3 to 5 represents a moderate health risk from unprotected exposure to Sun's UV rays for ordinary individuals.
Note: In August, a regular UV index of 4 translates into these guidelines:
Be mindful. Those with pale skin might receive burns in fewer than 30 minutes. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Prioritize a wide-brim hat for comprehensive sun defense for your face, neck, eyes, and ears.
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Frequently asked questions

What are the temperatures in Tallinn in August?

August temperatures in Tallinn vary between a high-temperature of 20.4°C (68.7°F) and a low-temperature of 12°C (53.6°F).

What is the average humidity in August in Tallinn?

The average relative humidity in August is 79%.

How many days does it rain in August in Tallinn?

In August, the rain falls for 15 days. Throughout August, 73mm (2.87") of precipitation is accumulated.

When it does not snow in Tallinn?

In Tallinn, snow does not fall in June through September.

What is the month with the warmest sea water in Tallinn?

With an average sea temperature of 19.1°C (66.4°F), August is the month with the warmest seawater in Tallinn.

What is the sea temperature in August in Tallinn?

In August, the average sea temperature is 19.1°C (66.4°F). For swimming, a surface water temperature of 19.1°C (66.4°F) is not enjoyable for the majority. It is not considered safe, as controlling breathing becomes progressively more difficult as water temperature decreases below 21°C (69.8°F).

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

In Tallinn, Estonia, the average day length in August is 15h and 29min.

When is the sunrise / sunset in August in Tallinn?

In August, on the first day of the month, sunrise is at 05:06 and sunset at 21:47. On the last day of the month, in Tallinn, sunrise is at 06:16 and sunset at 20:25 EEST.

How many hours of sunshine does Tallinn have in August?

In August, the average sunshine duration is 7.4h.

What is the UV index intensity in August in Tallinn?

In Tallinn, Estonia, the average daily maximum UV index in August is 4. A UV Index estimate of 3 to 5 represents a moderate vulnerability 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 August
Tallinn, Estonia

Average temperature in August - Tallinn, Estonia
  • Average high temperature in August: 20.4°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 August: 12°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 August
Tallinn, Estonia

Average humidity in August - Tallinn, Estonia
  • Average humidity in August: 79%

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 August
Tallinn, Estonia

Average rainfall in August - Tallinn, Estonia
  • Average rainfall in August: 73mm

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 August
Tallinn, Estonia

Average rainfall days in August - Tallinn, Estonia
  • Average rainfall days in August: 15 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 August
Tallinn, Estonia

Average snowfall days in August - Tallinn, Estonia
  • Average snowfall days in August: 0 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 August
Tallinn, Estonia

Average sea temperature in August - Tallinn, Estonia
  • Average sea temperature in August: 19.1°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 August /
Average sunshine in August
Tallinn, Estonia

Average daylight in August / Average sunshine in August - Tallinn, Estonia
  • Average daylight in August: 15h and 3min

The month with the longest days is June (Average daylight: 18h and 30min).
The month with the shortest days is December (Average daylight: 6h and 12min).

  • Average sunshine in August: 7h and 2min

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 August
Tallinn, Estonia

Average UV index in August - Tallinn, Estonia
  • Average UV index in August: 4

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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Tallinn, Estonia

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