The highest day temperature in April 2024 was 55°F. The lowest night temperature was 20°F. The average values for day and night temperatures during April were 38.9°F и 33.1°F respectivly.

The average sea surface temperature in April 2024 for Helsinki was 33.1°F. The maximum and minimum values were 29.6°F and 36.4°F respectively.

Most of the days in April are gloomy but you can also expect sunny days.

Precipitation total in April for Helsinki is 1.4 in. It makes april one of the least rainy months of the year.

The average wind speed in April is 9.6 mph. It makes April one of the most windless months of the year for Helsinki.

We are using day length and cloud cover information for each day of the month to calculate averages for this chart. Average sunny hours for Helsinki in April is 6.6 hours.