October 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 October

October brings a distinct autumn chill to Tallinn, setting the stage for the winter season. The average temperature takes a downturn, typical of the fall season. As the daylight hours dwindle, the city puts on a grand display of autumn colours before winter's arrival. Rainfall is fairly abundant, encouraging indoor activities and museum visits.

Temperature

Onset of October comes with a temperature decline, the average high falling from a mild 15.2°C (59.4°F) in September to a frosty 9.4°C (48.9°F). During October, Tallinn records an average temperature of 3.8°C (38.8°F) at night.

Humidity

In October, the average relative humidity is 85%.

Rainfall

In October, the rain falls for 16 days. Throughout October, 65mm (2.56") of precipitation is accumulated. In Tallinn, Estonia, during the entire year, the rain falls for 120 days and collects up to 617mm (24.29") of precipitation.

Snowfall

January through May, October through December are months with snowfall in Tallinn, Estonia. October is the first month it typically snows in Tallinn. Throughout October, there are 1 snowfall days. In Tallinn, during the entire year, snow falls for 55.1 days.

Sea temperature

In October, the average sea temperature is 10.8°C (51.4°F).
Note: Entering waters of 10.8°C (51.4°F) is life-endangering. A mere moment in 13°C (55.4°F) waters feels piercing cold, and below 10°C (50°F) it can lead to immediate cold shock and cessation of breathing control, depending on body resilience.

Daylight

In Tallinn, the average length of the day in October is 10h and 10min.
On the first day of the month, sunrise is at 07:27 and sunset at 18:53 EEST. On the last day of October, sunrise is at 07:39 and sunset at 16:29 EET.
Note: On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends, and the time zone changes from EEST to EET. Daylight Saving Time starts again on Sunday, 30. March 2025, at 03:00; consequently, the time zone reverts from EET to EEST.

Sunshine

The average sunshine in October is 3h.

UV index

In Tallinn, the average daily maximum UV index in October is 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to Sun's UV rays for the average person.
Note: The daily maximum UV index of 1 in October interprets into the following advice:
Prolonged sun exposure should always be prevented in babies, children, and those with sensitive skin. The Sun's UV radiation is especially harmful around midday, so reduce exposure and stay safe. Select sunglasses that boast both UVA and UVB protection to limit the adverse effects of the sun on the eyes. Be on the lookout! Nearly twofold UV radiation from the Sun can be reflected by snow.
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Frequently asked questions

What are October temperatures in Tallinn?

The high-temperature, in October, in Tallinn, is 9.4°C (48.9°F), while the low-temperature averages to 3.8°C (38.8°F).

What is the average humidity in October in Tallinn?

In October, the average relative humidity is 85%.

How many days does it rain in October in Tallinn?

In Tallinn, in October, during 16 rainfall days, 65mm (2.56") of precipitation is typically accumulated.

When does it start to snow in Tallinn?

October is the first month it typically snows in Tallinn. Throughout October, there are 1 snowfall days.

What is the sea water temperature in October in Tallinn?

In October, the average sea temperature in Tallinn, Estonia, is 10.8°C (51.4°F). Swimming in 10.8°C (51.4°F) is considered dangerous. Unprotected immersion in temperatures below 10°C (50°F) causes quickly maximum intensity cold shock with hyperventilation.

How many hours of daylight does Tallinn have in October?

The average day length in October is 10h and 10min.

When is the sunrise / sunset in October in Tallinn?

On the first day of October in Tallinn, Estonia, sunrise is at 07:27 and sunset at 18:53 EEST. On the last day of the month, sunrise is at 07:39 and sunset at 16:29 EET.

When does Daylight Saving Time (DST) end in October in Tallinn?

On Sunday, 27. October 2024, at 04:00, Daylight Saving Time ends in Tallinn, and the time zone changes from EEST to EET. The next DST starts on Sunday, 30. March 2025, at 03:00.

How many hours of sunshine does Tallinn have in October?

The average sunshine duration in October is 3h.

How high is the UV index in October in Tallinn?

In Tallinn, the average daily maximum UV index in October is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation.
Average humidity
Average rainfall days
Average snowfall days
Average daylight
Average sunshine
Average UV index

Average temperature in October
Tallinn, Estonia

Average temperature in October - Tallinn, Estonia
  • Average high temperature in October: 9.4°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 October: 3.8°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 October
Tallinn, Estonia

Average humidity in October - Tallinn, Estonia
  • Average humidity in October: 85%

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 October
Tallinn, Estonia

Average rainfall in October - Tallinn, Estonia
  • Average rainfall in October: 65mm

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 October
Tallinn, Estonia

Average rainfall days in October - Tallinn, Estonia
  • Average rainfall days in October: 16 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 October
Tallinn, Estonia

Average snowfall days in October - Tallinn, Estonia
  • Average snowfall days in October: 1 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 October
Tallinn, Estonia

Average sea temperature in October - Tallinn, Estonia
  • Average sea temperature in October: 10.8°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 October /
Average sunshine in October
Tallinn, Estonia

Average daylight in October / Average sunshine in October - Tallinn, Estonia
  • Average daylight in October: 10h and 1min

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 October: 3h and 0min

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 October
Tallinn, Estonia

Average UV index in October - Tallinn, Estonia
  • Average UV index in October: 1

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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