Air Guitar World Championship Finland
This is something you might want to add to your bucket list. August is also the perfect time to visit Finland. The days are long and the temperature is amazing.
Lahti Weather in August
With daytime temperatures of 21°C (70°F) and nighttime lows of 12°C (54°F), August in Lahti brings pleasant temperatures during the day. Do keep in mind that quite a bit of rainfall is typical. Around 74 mm (2.9 in) falls on average.
Rainfall in Lahti in August
Analyzing past climate data, one can expect approximately 17 days of rain, averaging 74 mm (2.9 in). With rain spread across many days but low totals, showers are typically short and light rather than heavy.
Temperature in Lahti in August
August in Lahti is generally excellent, with days reaching 21°C (70°F) and nights settling around 12°C (54°F). The month of August belongs to the summer season. This creates a mild day-to-night pattern that is generally easy to manage with the right clothing. 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.So this is a great month to visit if you prefer dry days with pleasant temperatures.
Lahti Temperature in August
Min Temperature
12°C (54°F)
Max Temperature
21°C (70°F)
Chance of Rain
55%
Precipitation
74 mm (2.9 in)
Rainy days
17 days
Lahti Weather by Month
Pick a month to see the average temperature, rainfall and sunshine in Lahti - and find the best time to visit.
Daily Historical Temperatures
50-year average (1976-2025)
Based on our historical records, temperatures in Lahti typically drop from around 22°C (72°F) at the start of August to approximately 17°C (63°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
Average temperatures in August
Historical weather records for Lahti in August
Browse day-by-day weather records for Lahti spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Lahti historical weather extremes in August
Based on weather observations in Lahti between 1976 and 2026, these are the recorded extremes during August.
- The warmest day in August was on August 8, 2010, with a maximum of 32°C (90°F).
- The lowest daytime temperature in August was 9°C (48°F), recorded on August 31, 1987.
- Lahti registered its coldest August night on August 15, 1978, with temperatures dropping to -1°C (30°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
pleasant
tolerable
unpleasant
poor
Perfect weather is subjective. On this map perfect weather has been defined with temperatures between 20°C (68°F) and 29°C (84°F) and not too much precipitation (less than 90 mm (3.5 in) a month).
What to Wear in Lahti in August
For Lahti 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.
What To Do in Lahti in August
We rated the following activities from 1 (least suitable) to 10 (best) to do.
-
Cycling9/10 -
Walking9/10 -
Camping8/10 -
Outdoor sports9/10
Lahti 3-Day Forecast
More climate data for Lahti
See the full Lahti climate overview or explore weather in Finland.
Popular in August
Where to go in August - average daytime high across popular destinations.
Bucket list
Need travel inspiration? Check out our bucket list articles and be inspired.
Air Guitar World Championship Finland
Sleeping in a glass iglo in Finland
Sleeping in a glass igloo with the Northern Lights shining above you. The most famous place is in the Iglo village in Kakslattaunen. The idea is amazing and definitely something to add to your bucket list.
See the northern lights
The northern lights, polar light or Aarora Borealis is a true spectacle of nature! Green, sometimes purple, red and yellow streaks of light colors the dark skies.
The 10 most charming villages in France
Discover France's top 10 beautiful villages. From Normandy to the Côte d'Azur, experience quaint squares and cobbled streets. Which one will you visit this summer?