Espoo Weather in August
August in Espoo averages 21°C (70°F) during the day and 13°C (55°F) at night. It is the wettest month of the year, with 75 mm (3 in) of rainfall on average, so waterproof gear is a must.
Rainfall in Espoo in August
An umbrella might come in handy since it is the wettest month of the year. Historically, the month has about 16 days of rain, averaging 75 mm (3 in) in total. This is a month with many wet days but modest rainfall totals, so showers are generally light and easy to manage.
Temperature in Espoo in August
Espoo in August has excellent weather. Days reach 21°C (70°F) and nights cool to 13°C (55°F). The month of August belongs to the summer season. A light jacket or extra layer can be useful, especially outside the warmest hours of the day. With overnight lows of 13°C (55°F), evenings can feel noticeably cooler than the daytime. An extra layer is a good idea, though the cool air makes for a good night's sleep.
Sunshine in Espoo in August
There are approximately 230 hours of sunshine this month, resulting in mostly clear days.
Wind Speed in Espoo in August
August has wind speeds averaging 3 m/s (6 knots). You can expect comfortable light winds that steadily move flags and feel mild throughout the day. Since this is an average, daily conditions vary from gentle winds to more active breezes.
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.If your ideal day consists of dry skies and pleasant temperatures, July and August typically offer the best circumstances for Espoo.
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 Espoo's climate page.
Espoo Temperature in August
Min Temperature
13°C (55°F)
Max Temperature
21°C (70°F)
Water Temperature
15°C (59°F) *
Chance of Rain
54%
Precipitation
75 mm (3 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 Espoo 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 14°C (57°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 Espoo in August
Browse day-by-day weather records for Espoo spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Espoo historical weather extremes in August
Our historical data for Espoo spans 1976 to 2025, revealing these weather extremes.
- The warmest day in August was on August 7, 2023, with a maximum of 30°C (86°F).
- The lowest daytime temperature in August was 11°C (52°F), recorded on August 25, 1981.
- The lowest overnight temperature recorded in August was 1°C (34°F) (August 15, 1978).
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 Espoo in August
Comfortable temperatures call for an easy wardrobe in August. Pack summer basics like t-shirts and shorts, but include a light jacket for cooler moments. A pair of comfortable walking shoes is essential. Wet weather is likely, so pack waterproof gear for multiple rainy days. The water temperature sits at about 15°C (59°F), which is too chilly for most people to enjoy swimming. Leave the swimsuit at home unless you love cold water. Don't forget sun protection, sunglasses, sunscreen, and a hat. These are all good ideas with this much sunshine.What To Do in Espoo 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 Espoo's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed Water Temp
See the full Espoo climate overview or explore weather in Finland.
