April weather forecast
Turku, Finland

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Weather in April

April sees visible progress towards spring, with Turku's weather displaying noticeable warmth compared to March. Frost-bound terrain gives way to softer views as plant life stirs back after a long slumber. The rapidly increasing daylight duration and warming sea also reflect the shift towards open skies and revived greenery. As the rains lighten up, they bring with them refreshing breezes rather than chills. Turku’s transformation from a snow-filled city into a spring garden, is well under way during the month of April.

Temperature

April sees a rise in the average high-temperature, climbing from a cold 2°C (35.6°F) in March to a chilly 8.8°C (47.8°F). An average temperature of -0.2°C (31.6°F) marks the nights in Turku in April.

Rainfall

The month with the least rainfall in Turku is April, when the rain falls for 7 days and typically collects 32mm (1.26") of precipitation.

Sea temperature

In Turku, in April, the average water temperature is 0.5°C (32.9°F).
Note: In the course of swimming, this situation is life-threatening and fraught with risk. The severe cold of the water leads to immediate hyperventilation. Wearing a specialized swimsuit is critical to limit thermal injury.

Daylight

In Turku, the average length of the day in April is 14h and 40min.
On the first day of the month, sunrise is at 06:53 and sunset at 20:15. On the last day of April, in Turku, Finland, sunrise is at 05:27 and sunset at 21:29 EEST.

Sunshine

The average sunshine in April in Turku is 6.8h.

UV index

In Turku, the average daily maximum UV index in April is 3. A UV Index of 3 to 5 symbolizes a moderate threat to health from unprotected exposure to Sun's UV rays for the average person.
Note: The maximum UV index of 3 during April translates into these guidelines:
Exercise care. People with light skin might get burns in fewer than 30 minutes. Midday is the peak time for the Sun's radiation; stay in the shade and protect yourself. Loose clothes with a tight weave are optimal for safeguarding yourself against the Sun's rays.
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Frequently asked questions

What is the usual temperature for Turku in April?

In Turku, in April, the average high-temperature is 8.8°C (47.8°F), and the average low-temperature is -0.2°C (31.6°F).

What is the driest month in Turku?

April is the month with the least rainfall in Turku. Rain falls for 7 days and accumulates 32mm (1.26") of precipitation.

How many days does it rain in April in Turku?

In Turku, Finland, in April, it is raining for 7 days, with typically 32mm (1.26") of accumulated precipitation.

What is the water temperature in April in Turku?

In Turku, the average seawater temperature in April is 0.5°C (32.9°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.

How many hours of daylight does Turku have in April?

The average day length in April in Turku is 14h and 40min.

What time are sunrise and sunset in April in Turku?

On the first day of April in Turku, Finland, sunrise is at 06:53 and sunset at 20:15. On the last day of the month, sunrise is at 05:27 and sunset at 21:29 EEST.

How many hours of sunshine does Turku have in April?

In April, the average sunshine duration in Turku is 6.8h.

What is the UV index reading in April in Turku?

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium health risk from exposure to Sun's UV rays.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in April
Turku, Finland

Average temperature in April - Turku, Finland
  • Average high temperature in April: 8.8°C

The warmest month (with the highest average high temperature) is July (22.3°C).
The month with the lowest average high temperature is February (-2.1°C).

  • Average low temperature in April: -0.2°C

The month with the highest average low temperature is July (12.6°C).
The coldest month (with the lowest average low temperature) is February (-8.3°C).

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Average rainfall in April
Turku, Finland

Average rainfall in April - Turku, Finland
  • Average rainfall in April: 32mm

The wettest month (with the highest rainfall) is August (80mm).
The driest month (with the least rainfall) is April (32mm).

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Average rainfall days in April
Turku, Finland

Average rainfall days in April - Turku, Finland
  • Average rainfall days in April: 7 days

The month with the highest number of rainy days is November (13 days).
The months with the least rainy days are April and May (7 days).

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Average sea temperature in April
Turku, Finland

Average sea temperature in April - Turku, Finland
  • Average sea temperature in April: 0.5°C

The best month for swimming (with the highest average sea temperature) is August (12.8°C).
The coldest month (with the lowest average sea temperature) is February (-0.4°C).

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Average daylight in April /
Average sunshine in April
Turku, Finland

Average daylight in April / Average sunshine in April - Turku, Finland
  • Average daylight in April: 14h and 4min

The month with the longest days is June (Average daylight: 18h and 54min).
The month with the shortest days is December (Average daylight: 5h and 54min).

  • Average sunshine in April: 6h and 5min

The month with the most sunshine is July (Average sunshine: 9h and 18min).
The month with the least sunshine is December (Average sunshine: 0h and 54min).

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Average UV index in April
Turku, Finland

Average UV index in April - Turku, Finland
  • 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, February, November and December (UV index 0).

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Turku, Finland

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