Helsinki Weather in June
Thinking of visiting Helsinki in June? Expect pleasant temperatures reaching 20°C (68°F) during the day, dropping to 11°C (52°F) at night, and note that quite a bit of rainfall is likely.
Rainfall in Helsinki in June
Expect around 11 days of rain based on historical data, with 78 mm (3.1 in) average. Neither particularly heavy nor particularly frequent, the rain this month is about average. A light jacket should be enough on most wet days.
Temperature in Helsinki in June
June is a perfect month in Helsinki, with 20°C (68°F) during the day and 11°C (52°F) at night. June is known for being in the summer season. The difference between afternoon and evening temperatures is usually noticeable. With lows of 11°C (52°F), nights are cool. If you're out after dark, an extra layer will keep you comfortable. The cooler air at night is also great for getting a good rest.
Sunshine in Helsinki in June
The month enjoys around 298 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Helsinki in June
Average wind speeds reach 3 m/s (6 knots) in June, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.
Average water temperature in June
At 10°C (50°F), the water is very cold. Most people find it too uncomfortable for anything beyond a brief wade.If you're a fan of comfortable temperatures and drier conditions, June is a great time to visit.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Helsinki's climate page.
Helsinki Temperature in June
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Helsinki typically stay consistent throughout June, with daily highs averaging around 20°C (68°F). Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
Average temperatures in June
Daily Historical Precipitation
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Average precipitation in June
Historical weather for Helsinki in June
Browse day-by-day weather records for Helsinki spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Helsinki historical weather extremes in June
Based on weather observations in Helsinki between 1976 and 2026, these are the recorded extremes during June.
- The hottest June day on record in Helsinki reached 31°C (88°F) (June 26, 2022).
- Helsinki experienced its chilliest June day on June 17, 1982, reaching only 7°C (45°F).
- Helsinki registered its coldest June night on June 5, 1997, with temperatures dropping to 0°C (32°F).
Best Places in Finland in June
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in June →
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What to Wear in Helsinki in June
For Helsinki in June, you'll want flexible clothing. It's wise to pack cotton shirts, comfortable shorts, and a pair of jeans for cooler evenings. A light sweater or jacket is useful for air-conditioned spaces (like buses) or unexpected cool moments. Rain is likely on several days, so bring a good rain jacket. Expect water temperatures of around 10°C (50°F), which is definitely too cold for comfortable swimming. Your luggage space is better used for other items. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Helsinki in June
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Finland, check out our Helsinki's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Helsinki climate overview or explore weather in Finland.