Stockholm is one of the most beautiful cities in the world
The Swedish capital is special because of the mix of culture, nature and city. It's a city that should be on everyone's bucket list.
August in Karlstad typically sees daytime highs of 21°C (70°F) and nighttime lows of 14°C (57°F). As the wettest month of the year, expect more rainfall than other months. It falls within the summer season.
Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Karlstad.
Pick a month to see the average temperature, rainfall and sunshine in Karlstad - and find the best time to visit.
50-year average (1976-2025)
Based on our historical records, temperatures in Karlstad typically drop from around 21°C (70°F) at the start of August to approximately 18°C (64°F) by the end. Nights are cool, with lows typically ranging from 9°C (48°F) to 12°C (54°F).
50-year average (1976-2025)
Average daily rainfall for each day of the month based on long-term records.
Browse day-by-day weather records for Karlstad spanning 51 years. Select any month and year to see actual temperatures, rainfall, and conditions recorded on each day.
Based on weather observations in Karlstad between 1976 and 2026, these are the recorded extremes during August.
Find out more about the weather in Sweden and which places have the best travel conditions in this month. See all of Sweden in August →
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).
For Karlstad 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. High rain levels are expected, so pack waterproof gear and an umbrella or poncho. And with plenty of sunshine hours, don’t forget sunglasses, sunscreen, and maybe a sun hat.
We rated the following activities from 1 (least suitable) to 10 (best) to do.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Karlstad climate overview or explore weather in Sweden.
Where to go in August - average daytime high across popular destinations.
Need travel inspiration? Check out our bucket list articles and be inspired.
Stockholm is one of the most beautiful cities in the world
The Swedish capital is special because of the mix of culture, nature and city. It's a city that should be on everyone's bucket list.
Nordic skating in Sweden
In between the snowy hills and dense pine forests you will find an innumerable amount of lakes in Sweden, large and small ones on which you can skate wonderfully.
Sleep among the trees in Sweden
If you are looking for a tranquil retreat in Swedish Lapland we recommend to stay at Granó Beckasin. It has a fantastic location on the Ume river where you will experience silence and tranquility.
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.