April weather forecast
Vaasa, Finland

Spring is in full swing by April in Vaasa. Rising temperatures up to 5°C (41°F), coupled with increased hours of daylight, begin to thaw the persistent frost of the winter months. April's weather varies noticeably from the previous month, creating a palpable shift in the atmosphere. The chilly exterior of the city begins to warm, promising a more favorable climate for its inhabitants. However, persistent rainfall continues, maintaining Vaasa's characteristic dampness.

Temperature

With the arrival of April, the average high-temperature transitions from a wintry 0°C (32°F) in March to a still cold 5°C (41°F). In the month of April, the average low-temperature usually rests at a freezing cold -2°C (28.4°F).

Rainfall

In April, in Vaasa, the rain falls for 12 days. Throughout April, 26mm (1.02") of precipitation is accumulated. In Vaasa, during the entire year, the rain falls for 182 days and collects up to 493mm (19.41") of precipitation.

Sea temperature

In Vaasa, in April, the average water temperature is 0.7°C (33.3°F).
Note: When swimming, this is deemed life-endangering and extremely risky. The painful cold water instigates fast-paced hyperventilation. Wearing a specialized swimsuit is necessary to lessen thermal harm.

Daylight

In April, the average length of the day is 14h and 59min.
On the first day of the month, sunrise is at 06:51 and sunset at 20:23. On the last day of April, in Vaasa, sunrise is at 05:14 and sunset at 21:47 EEST.

Sunshine

In April, the average sunshine in Vaasa, Finland, is 5h.

UV index

In Vaasa, the average daily maximum UV index in April is 2. A UV Index of 2, and less, symbolizes a minimal health vulnerability from exposure to the Sun's UV radiation for the ordinary person.
Note: The maximum UV index, 2 during April, leads to the following recommendations:
Most people can stay in the Sun for up to 1 hour without burning, apart from children that always must be protected from sun exposure. Being in direct Sun during midday can be harmful due to intense solar radiation; take precautions. Safeguard your eyes, ears, and face from sun rays with the aid of a wide-brim hat.