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The weather in August in Finland
It's pleasantly warm in August in Finland with an average temperature of 21°C. Temperatures this month range from a low of 18°C to a high of 23°C. At night, you can expect temperatures between 12°C and 16°C.
Looking for sun? August isn’t a good month to be in Finland. The temperature is nice, but there’s too much chance of rain.
Average temperatures and precipitation
This chart shows the average daily maximum and minimum temperatures (in degrees Celsius) and precipitation (in millimeters) in August for Finland. A low precipitation value usually indicates little to no rainfall on that day in recent years, while a higher value suggests more frequent rainfall.
Temperature records
With 30°C in 2023, Finland reached the highest temperature in August over the past 10 years. The lowest daytime temperature in this month was 10°C in 2021. The extreme nighttime temperatures ranged from a lowest recorded value of 5°C to a highest value of 23°C.
Rainfall amount
In August, there is an average of 138 mm of precipitation, spread over 16 days. The wind speed is around 4 Bft, mostly coming from the South.
Daily weather in August for Finland
Click on any day in August to get detailed info about the usual weather on that day in Finland. Check out the historical temperatures and precipitation over the past 10 years on this day.
August weather comparison
| Finland | New York | |
|---|---|---|
| Average temperature | 21°C | 30°C |
| Max. temperature | 23°C | 31°C |
| Min. temperature | 12°C | -5°C |
| Total precipitation | 138 mm | 79 mm |
| Rainy days | 16 days | 13 days |
Start of August
The month of August starts in Finland with warm temps, averaging around 23°C during the day and nights around 16°C.
Mid August
By mid-August, daytime temps drop to around 21°C, with nights around 15°C. During this part of the month, you might see regular precipitation, but there will also be some sunny days.
End of August
By the end of August, the average daytime temperature in Finland is around 19°C, while nighttime temps are about 13°C. There’s a significant chance of many days with precipitation.
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UV index
The UV index is a maximum of 5 this month. That's a moderate value on the intensity scale of 1 to 11. Unprotected skin can burn in about 30 minutes.
Check out the climate of Finland for all months and discover the best travel time
The climate in Finland is based on weather data from Helsinki. Other places, like Rovaniemi, Kuusamo or Tampere, might have different weather. You can check out all destinations in Finland to get the full picture of the climate.
Temperature charts
These charts show the average temperatures in August in Finland. The temperatures are shown in degrees Celsius and are calculated based on data from the past 10 years.
Daily Temperature in August in Finland
Temperature in August in Finland over the years
Precipitation charts
These charts show the average amount of precipitation in August in Finland. Precipitation is always measured as water, even when it falls as snow or hail The amount of precipitation is displayed in millimeters, while snowfall is shown in centimeters.
Daily Precipitation in August in Finland
Total precipitation in August in Finland over the years
Daily UV index in August in Finland
This chart shows the average daily UV index in August in Finland, with the UV index ranging from 0 to a maximum of 11. The bottom of the chart shows the days of the month. Based on historical data, this chart provides an idea of the daily UV radiation levels you can expect.
Weather experiences in August in Finland
Have you been to Finland in August?
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Average weather in Finland by month
Click on a month below to see detailed weather info for Finland. Based on historical weather data, you can see the average temperature, precipitation, wind, and UV index for each day of the month.