Sun, sea & sand

Porvoo weather in June

Temperature, sea and sunshine in June: long-term averages from 30 years of weather data, not a forecast.

28

Holiday weather in June

Poor

Best time to visit: July

What is the weather like in Porvoo in June?

In June, Porvoo is mild: daytime highs average 19 °C, and nights cool down to about 11 °C. The sea averages 12.2 °C – swimming is only for the hardy. The sun shines for around 9 hours a day. Rain is frequent, with about 12 rainy days and 72 mm in total. All in all, June is not an ideal month for a holiday in Porvoo.

June compared

How the weather changes from May to July. Tap a month to open it.

MayMayJuneJunJulyJul
Score322843
Day14°19°22°
Night6°11°15°
Sea7°12°17°
Sun9 h9 h9 h
Rain days101212

More details for June

Daylight
18 h 57 min03:49 – 22:46
UV index
6 · highclear sky, noon (estimate)All months
Muggy days
0 daysdew point 18 °C or moreAll months
Wind
16 km/haverage daily peakAll months
Cloud cover
60 %on averageAll months
Hot days
0 days30 °C or more
Snow days
0 days1 cm or more of fresh snowAll months
Time zone
UTC+3Europe/Helsinki

How the score comes together

  • Temperatureweight 35 %0 %
  • Seaweight 25 %0 %
  • Sunshineweight 20 %98 %
  • Few rainy daysweight 20 %41 %

Each factor is rated from 0 to 100 % and weighted for the travel style “Sun, sea & sand”.

What to pack in June

  • Sunscreen
  • Sunglasses & sun hat
  • A jumper for the evenings
  • Rain jacket or umbrella

Porvoo in June: quick answers

Is Porvoo hot in June?

No. In June, Porvoo is mild: daytime highs average 19 °C and nights drop to about 11 °C.

Can you swim in Porvoo in June?

Only if you don't mind cold water: in June the sea averages just 12.2 °C. Comfortable swimming temperatures are not reached at any time of year.

Does it rain much in Porvoo in June?

Rain is frequent, with about 12 rainy days and 72 mm in total.

Porvoo month by month

Climate averages 1996–2025, not a forecast. Data: Copernicus ERA5 / ERA5-Land via Open-Meteo.com (CC BY 4.0), NOAA OISST, WMO 1991–2020 (NOAA NCEI), GeoNames (CC BY 4.0). Sources & licences