Vantaa Weather in August
Vantaa in August sees pleasant daytime temperatures of 22°C (72°F) and nighttime lows of 12°C (54°F). Rainfall is fairly high this month at around 79 mm (3.1 in), so pack a rain jacket to stay dry.
Rainfall in Vantaa in August
Historically, approximately 16 days this month are expected to have rain, averaging 79 mm (3.1 in). A fairly balanced picture this month, some wet days but nothing too extreme in terms of intensity.
Temperature in Vantaa in August
August in Vantaa is generally perfect, with days reaching 22°C (72°F) and nights settling around 12°C (54°F). The summer season takes place during August. Conditions are often most pleasant around the middle of the day. Nights cool down to 12°C (54°F), so a light jacket or extra layer is useful once the sun goes down. On the plus side, the cooler nights make for comfortable sleeping conditions.
Sunshine in Vantaa in August
The days are predominantly sunny, with an estimated total of around 230 hours of sunshine. These sun-filled days are perfect for playing sports, visiting parks, or going for a bike ride.
Wind Speed in Vantaa in August
Wind speeds average 3 m/s (6 knots) during August. At this speed, light breezes keep leaves and small twigs in gentle motion while the wind also provides natural cooling. Since this is an average, some days are more tranquil while others have more persistent light winds that are more noticeable.
Average water temperature in August
With water at 15°C (59°F), it's on the cooler side. Keen swimmers won't be put off, but those who prefer warm water may find it less enjoyable.Our weather planner can help you find worldwide destinations with pleasant weather during this period. June, July and August typically offer the best weather for Vantaa.
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 Vantaa's climate page.
Vantaa Temperature in August
Min Temperature
12°C (54°F)
Max Temperature
22°C (72°F)
Water Temperature
15°C (59°F) *
Chance of Rain
52%
Precipitation
79 mm (3.1 in)
Rainy days
16 days
Humidity
78% *
Windspeed
3 m/s (6 knots) *
Sunshine
230 hours *
Percentage Sunshine
*
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Vantaa typically drop from around 22°C (72°F) at the start of August to approximately 18°C (64°F) by the end. Nights are cool, with lows typically ranging from 10°C (50°F) to 13°C (55°F).
Average temperatures in August
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 August
Historical weather for Vantaa in August
Browse day-by-day weather records for Vantaa spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Vantaa historical weather extremes in August
Based on weather observations in Vantaa between 1976 and 2025, these are the recorded extremes during August.
- The warmest day in August was on August 8, 2010, with a maximum of 31°C (88°F).
- The lowest daytime temperature in August was 11°C (52°F), recorded on August 28, 1986.
- Vantaa registered its coldest August night on August 15, 1978, with temperatures dropping to 1°C (34°F).
Best Places in Finland in August
Find out more about the weather in Finland and which places have the best travel conditions in this month. See all of Finland in August →
perfect weather
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What to Wear in Vantaa in August
For Vantaa in August, 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. With water temperatures around 15°C (59°F), the water is quite cold for swimming. You can skip the swimwear unless you're particularly tough. You'll definitely want to pack sunglasses and sunscreen. There will be plenty of bright sunshine this month.What To Do in Vantaa in August
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 Vantaa's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Vantaa climate overview or explore weather in Finland.
