June weather forecast
Vaasa, Finland

June is a pivotal month in Vaasa's annual weather calendar. As the town basks in temperatures up to 18°C (64.4°F), daylight reaches its zenith, much to the delight of sun-seekers. The recurring rain does little to dampen the mood of the city. With an increased ultraviolet index, locals can finally trade their winter gear for summer attire. June, thus, stands tall as the official inauguration of the brief yet much-awaited Finnish summer.

Temperature

June indicates a change in the average high-temperature, moving up from a moderate 13°C (55.4°F) in May to a comfortable 18°C (64.4°F). In June, the average low-temperature records at a chilly 9°C (48.2°F) during the nights.

Rainfall

In Vaasa, in June, during 11 rainfall days, 37mm (1.46") of precipitation is typically accumulated. Throughout the year, there are 182 rainfall days, and 493mm (19.41") of precipitation is accumulated.

Sea temperature

In Vaasa, in June, the average water temperature is 10.7°C (51.3°F).
Note: With the appropriate swimsuit, one can swim in 10.7°C (51.3°F) even if temperatures dip below 10°C (50°F); otherwise, be ready for cold shock and breath issues. A fleeting swim around 13°C (55.4°F) is distressing.

Daylight

June has the longest days of the year in Vaasa, with an average of 20h and 6min of daylight.
On the first day of June in Vaasa, sunrise is at 03:43 and sunset at 23:18. On the last day of the month, sunrise is at 03:32 and sunset at 23:42 EEST.

Sunshine

With an average of 9h of sunshine, June has the most sunshine of the year in Vaasa, Finland.

UV index

With an average maximum UV index of 5, June is the month with the highest UV index in Vaasa. A UV Index of 3 to 5 symbolizes a moderate threat to health from exposure to the Sun's UV rays for ordinary individuals.
Note: The UV index of 5 during June leads to these advisories:
Make use of precautions - Shielding skin and eyes from injury is a requirement. Considering the harmful UV rays from the Sun during midday, it's essential to reduce exposure. Sun protection is enhanced with clothing that boasts a tight weave yet offers a loose fit.