April weather - Spring 2024 - Helsinki, Finland

Weather in April
Frequently asked questions
Average temperature in April
Average rainfall in April
Average rainfall days in April
Average snowfall in April
Average sea temperature in April
Average daylight in April
Average sunshine in April
Average UV index in April

A scenic reflection in the water of the illuminated city of Helsinki in Finland

Weather in April

April embodies a definite spring environment characterized by increased warmth in Helsinki. With the absence of snowfall, the city adopts a fresh, vibrant look. Daylight extends to an inviting 14.6h, a stark contrast to the dim winter months. Though cooler compared to the forthcoming months, temperatures present a perceivable rise, peaking at 7.6°C. Occurrences of rainfall are sparse, further contributing to the agreeable climate of the month.

Temperature

With the onset of April, Helsinki's average high-temperature sees a rise, moving from March's icy 1.6°C to a frosty 7.6°C. Helsinki's average low-temperature is measured at a wintry 0.8°C during April.

Rainfall

The month with the least rainfall in Helsinki is April, when the rain falls for 11 days and typically collects 32mm of precipitation.

Snowfall

April through October are months without snowfall in Helsinki, Finland.

Sea temperature

In Helsinki, the average seawater temperature in April is 2°C.
Note: In the case of swimming, the extreme coldness, danger, and life-threatening nature of this situation are apparent. Without insulated waterproof wear, hypothermia sets in rapidly.

Daylight

In April, the average length of the day in Helsinki, Finland, is 14h and 38min.
On the first day of the month, sunrise is at 06:45 and sunset at 20:02. On the last day of April, in Helsinki, Finland, sunrise is at 05:20 and sunset at 21:14 EEST.

Sunshine

In Helsinki, the average sunshine in April is 6.5h.

UV index

In April, the average daily maximum UV index is 3. A UV Index estimate of 3 to 5 represents a medium vulnerability from exposure to the Sun's UV radiation for the average person.
Note: A maximum high daily UV index of 3 during April translates into the following directions:
Exercise prevention - Protecting skin and eyes from harm is required. For skin protection, it's recommended to minimize Sun exposure during its peak hours around midday. Clothes that are both tight-knit and comfortably loose are prime choices for sun protection.

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FAQ

What is the temperature in April in Helsinki?

The high-temperature, in April, in Helsinki, records 7.6°C, while the low-temperature is 0.8°C.

What is the driest month in Helsinki?

The month with the least rainfall is April, when the rain falls for 11 days and typically collects 32mm of precipitation.

How much does it rain in Helsinki in April?

In Helsinki, in April, during 11 rainfall days, 32mm of precipitation is typically accumulated.

When it does not snow in Helsinki?

April through October are months without snowfall in Helsinki.

Does it snow in Helsinki in April?

In April, it doesn't snow. March is the latest month when it typically snows.

What is the water temperature in April in Helsinki?

In April, the average sea temperature is 2°C. 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 Helsinki have in April?

In Helsinki, the average day length in April is 14h and 38min.

When are sunrise and sunset in April in Helsinki?

In April, on the first day of the month, sunrise is at 06:45 and sunset at 20:02. On the last day of the month, sunrise is at 05:20 and sunset at 21:14 EEST.

How long on average sun shines in April in Helsinki?

The average sunshine duration in April in Helsinki, Finland, is 6.5h.

What is the UV index reading in April in Helsinki?

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

Today

Tomorrow

Long-term

Year J F M April M J J A S O N D

Mar

April

May

Average high temperature

1.6°C

7.6°C

14.4°C

Average low temperature

Average rainfall

Average rainfall days

Average snowfall

140mm

0mm

Average sea temperature

Average daylight

Average sunshine

Average UV index

Average temperature in April
Helsinki, Finland

Average high temperature in April: 7.6°C

The warmest month (with the highest average high temperature) is July (21.5°C).
The month with the lowest average high temperature is February (-1.9°C).

Average low temperature in April: 0.8°C

The month with the highest average low temperature is July (14.2°C).
The coldest month (with the lowest average low temperature) is February (-7.4°C).

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Average rainfall in April
Helsinki, 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
Helsinki, Finland

Average rainfall days in April: 11 days

The month with the highest number of rainy days is December (20 days).
The months with the least rainy days are April and May (11 days).

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Average snowfall in April
Helsinki, Finland

Average snowfall in April: 0mm

The month with the highest snowfall is February (230mm).
The months with the least snowfall are April, May, June, July, August, September and October (0mm).

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Average sea temperature in April
Helsinki, Finland

Average sea temperature in April: 2°C

The best month for swimming (with the highest average sea temperature) is August (16°C).
The coldest months (with the lowest average sea temperature) are February and March (1°C).

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

Average daylight in April: 14h and 4min

The month with the longest days is June (Average daylight: 18h and 48min).
The month with the shortest days is December (Average daylight: 6h and 0min).

Average sunshine in April: 6h and 3min

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

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Average UV index in April
Helsinki, 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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April weather forecast
Helsinki, Finland

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