Karlstad Weather in August
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.
Rainfall in Karlstad in August
Since this month has the highest rainfall, keep an umbrella with you to handle sudden showers. Typically, you can expect about 13 days of rain this month, with 104 mm (4.1 in) on average. The rain this month tends to fall in heavier spells rather than light drizzle. When it rains, showers can be significant.
Temperature in Karlstad in August
Daytime highs in Karlstad in August reach 21°C (70°F), with nights around 14°C (57°F). August is a notable month of the summer season. Even when the weather is stable, mornings and evenings can still feel distinctly cool. With overnight lows of 14°C (57°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 Karlstad in August
The month enjoys around 225 hours of sunshine, creating mostly sunny days with good weather conditions.
Wind Speed in Karlstad in August
Average wind speeds reach 3 m/s (6 knots) in August, creating light breezes that feel pleasant throughout the day. Some days are calmer, while others bring slightly more active breezes.Our weather planner can help you find worldwide destinations with pleasant weather during this period. July typically offers the best weather for Karlstad.
Check the conditions for any month of the year.
For a detailed overview over the year and the best time to visit Sweden, check out our Karlstad's climate page.
Karlstad Temperature in August
Daily Historical Temperatures
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).
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 Karlstad in August
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.
Karlstad historical weather extremes in August
Based on weather observations in Karlstad between 1976 and 2025, these are the recorded extremes during August.
- The hottest August day on record in Karlstad reached 31°C (88°F) (August 1, 1982).
- On August 27, 1986, Karlstad saw its coldest August day with temperatures maxing out at 10°C (50°F).
- Karlstad registered its coldest August night on August 28, 1993, with temperatures dropping to 2°C (36°F).
Best Places in Sweden in 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 →
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What to Wear in Karlstad in August
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.What To Do in Karlstad 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 Sweden, check out our Karlstad's climate page.
Temperature Rainfall Sunshine Humidity Wind Speed
See the full Karlstad climate overview or explore weather in Sweden.