June weather forecast
Mariehamn Airport, Finland

Arriving with a warm embrace, June ushers in summer for Mariehamn Airport. It exhibits a significant rise in temperature from May, and the sea temperature mirrors this pattern. The pattern of rainfall, however, remains similar to May. With the longest daylight hours of the year, June celebrates the summer solstice in its stride. A relatively high UV index defines the sun-drenched afternoons of this month.

Temperature

June's arrival brings a temperature shift, moving from a fresh 12°C (53.6°F) in May to an enjoyable 17°C (62.6°F). In the month of June, Mariehamn Airport experiences an average low-temperature of 9°C (48.2°F).

Rainfall

In Mariehamn Airport, Finland, in June, it is raining for 10 days, with typically 33mm (1.3") of accumulated precipitation. In Mariehamn Airport, during the entire year, the rain falls for 176 days and collects up to 508mm (20") of precipitation.

Sea temperature

In Mariehamn Airport, in June, the average water temperature is 10°C (50°F).
Note: Danger awaits those who swim in 10°C (50°F) without protection. Falling below 10°C (50°F) means intense cold shock and hyperventilation.

Daylight

June has the longest days of the year, with an average of 18h and 48min of daylight.
On the first day of the month, sunrise is at 04:27 and sunset at 22:49. On the last day of June, sunrise is at 04:20 and sunset at 23:07 EEST.

Sunshine

The month with the most sunshine is June, with an average of 9h of sunshine.

UV index

June and July, with an average maximum UV index of 5, are months with the highest UV index in Mariehamn Airport, Finland. A UV Index estimate of 3 to 5 represents a moderate health risk from exposure to the Sun's UV radiation for ordinary individuals.
Note: The maximum daily UV index of 5 in June converts into the following recommendations:
Make use of precautions - Suggestions to resist sunburn are communicated. UV radiation is strongest from the Sun during midday; protect yourself by staying in shaded areas. Experience reduced UV exposure by about half when donning a wide-brim hat.