March weather forecast
Helsinki, Finland

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.