March weather forecast
Helsinki, Finland

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

Weather in March

March, the first month of the spring in Helsinki, is a cold month, with an average temperature ranging between min -4.1°C (24.6°F) and max 1.6°C (34.9°F).

Temperature

In Helsinki, the average high-temperature in March slightly increases from a subzero cold -1.9°C (28.6°F) in February to a cold 1.6°C (34.9°F). The average low-temperature, in March, is -4.1°C (24.6°F).

Rainfall

In March, in Helsinki, the rain falls for 15 days. Throughout March, 38mm (1.5") of precipitation is accumulated. In Helsinki, during the entire year, the rain falls for 182 days and collects up to 655mm (25.79") of precipitation.

Snowfall

Months with snowfall in Helsinki are January through March, November and December. March is the last month it regularly snows. Throughout March, Helsinki aggregates 140mm (5.51") of snow. In Helsinki, Finland, during the entire year, snow aggregates up to 740mm (29.13").

Sea temperature

February and March, with an average sea temperature of 1°C (33.8°F), are months with the coldest seawater in Helsinki.
Note: For swimming, this is considered life-threatening and very dangerous. The water feels painfully cold, and hyperventilation quickly occurs. A specialized swimsuit is mandatory to reduce thermal damage.

Daylight

The average length of the day in March is 11h and 50min.
On the first day of the month, sunrise is at 07:19 and sunset at 17:45 EET. On the last day of March, sunrise is at 06:48 and sunset at 20:00 EEST.
Note: On Sunday, 26. March 2023, at 03:00, Daylight Saving Time starts, and the time zone changes from EET to EEST. Daylight Saving Time lasts until Sunday, 29. October 2023, at 04:00; consequently, the time zone reverts from EEST to EET.

Sunshine

In March, the average sunshine is 4.5h.

UV index

In Helsinki, the average daily maximum UV index in March is 1. A UV Index estimate of 2, and below, represents a minimal health vulnerability from exposure to the Sun's UV radiation for the average person.
Note: The average daily UV index of 1 in March transform into the following instructions:
People with sensitive skin, children, and babies should always be protected from prolonged sun exposure. The Sun's most intense and consequently most harmful UV radiation during midday hours should be decreased by minimizing exposure and seeking shade. Sun-protective clothing, a long-sleeved shirt and pants, a wide-brimmed hat, and UVA and UVB-blocking sunglasses are particularly helpful in blocking UV radiation's harmful effects. Caution! The reflection of snow can nearly double the intensity of the Sun's UV radiation.
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FAQ

What is the temperature in March in Helsinki?

In March, in Helsinki, Finland, the average high-temperature is 1.6°C (34.9°F), and the average low-temperature is -4.1°C (24.6°F).

How much does it rain in Helsinki in March?

In Helsinki, Finland, in March, it is raining for 15 days, with typically 38mm (1.5") of accumulated precipitation.

What is the last month it snows in Helsinki?

March is the last month it regularly snows in Helsinki, Finland. Throughout March, Helsinki aggregates 140mm (5.51") of snow.

What are the months with the coldest sea water in Helsinki?

February and March, with an average sea temperature of 1°C (33.8°F), are months with the coldest seawater in Helsinki, Finland.

What is the water temperature in March in Helsinki?

In Helsinki, the average seawater temperature in March is 1°C (33.8°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.

What is the average length of the day in March in Helsinki?

In Helsinki, the average day length in March is 11h and 50min.

What time are sunrise and sunset in March in Helsinki?

In March, on the first day of the month, sunrise is at 07:19 and sunset at 17:45 EET. On the last day of the month, in Helsinki, Finland, sunrise is at 06:48 and sunset at 20:00 EEST.

When does Daylight Saving Time (DST) start in March in Helsinki?

On Sunday, 26. March 2023, at 03:00, Daylight Saving Time starts in Helsinki, and the time zone changes from EET to EEST. DST ends on Sunday, 29. October 2023, at 04:00.

How many hours of sunshine does Helsinki have in March?

In March, the average sunshine duration is 4.5h.

What is the UV index intensity in March in Helsinki?

In March, the average daily maximum UV index in Helsinki, Finland, is 1. A UV Index reading of 2, and below, represents a low health risk from unprotected exposure to UV radiation.
Average rainfall days
Average daylight
Average sunshine
Average UV index

Average temperature in March
Helsinki, Finland

Average temperature in March - Helsinki, Finland
  • Average high temperature in March: 1.6°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 March: -4.1°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 March
Helsinki, Finland

Average rainfall in March - Helsinki, Finland
  • Average rainfall in March: 38mm

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 March
Helsinki, Finland

Average rainfall days in March - Helsinki, Finland
  • Average rainfall days in March: 15 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 March
Helsinki, Finland

Average snowfall in March - Helsinki, Finland
  • Average snowfall in March: 140mm

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 March
Helsinki, Finland

Average sea temperature in March - Helsinki, Finland
  • Average sea temperature in March: 1°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 March /
Average sunshine in March
Helsinki, Finland

Average daylight in March / Average sunshine in March - Helsinki, Finland
  • Average daylight in March: 11h and 5min

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 March: 4h 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 March
Helsinki, Finland

Average UV index in March - Helsinki, Finland
  • Average UV index in March: 1

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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