Average temperature: Stockholm and below – 20-28 degrees / Northern part – 15-20 degrees. The August weather guide for Stockholm, Sweden shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute.Find out more about our data sources. Temperature (°C)-9.7 -9.3 -4.6 1.2 7.6 13.5 15.9 14.3 9.3 3.7 The center-north of Sweden is characterized by long, freezing winters and short, mild summers. In August, Scandinavia has warm, pleasant weather with average daily temperatures easily reaching 70 to 74 degrees Fahrenheit (21 to 23 degrees Celsius) in Denmark, Sweden, and Norway. Popular Cities in Sweden . Iceland is usually close to 65 degrees Fahrenheit (18 degrees Celsius). August: The pleasant July weather continues in August and there is an abundance of happiness. Stockholm Stockholm's climate is mostly pleasant with more mild winters than you would expect. In Sweden the climate is characterised by the changing seasons – with big differences in temperature. Temperature 16 °C 61 °F; High Temperature 20 °C 68 °F; Low Temperature 12 °C 54 °F; Sunshine Hours 7 hours; Rainfall 62 mm; Rainfall Days 12 days; Sea Temperature 17 °C 63 °F The weather is pleasant, cities are full of life, and the temperature is a lovely 20 to 28 degrees in the southern areas. Nearly everyone in the country is holidaying and hence it can get very crowded. Showing: All Year January February March April May June July August September October November December All Year Climate & Weather … August is a happy time in Sweden, and you will notice happiness everywhere! Based on weather reports collected during 1985–2015. July: This is the best time to visit Sweden. August, the last month of the summer, is another pleasant month, with average temperature fluctuating between 12.7°C (54.9°F) and 20.4°C (68.7°F). January February March April May June July August September October November December; Avg. The city receives quite a bit of sunshine and has summertime temperatures that average 68 to 77 degrees Fahrenheit (20 to 25 degrees Celsius). Most visitors are surprised by how warm the summer weather in Sweden can get. Gothenburg Weather August Averages, Sweden. Due to Covid-19, there are currently restrictions on travels to and from Sweden. This is the time of year that much of the population decamps from the city to the islands. Popular activities: Crayfish party, outdoor seating, festivals, bathing, tanning, hiking, midnight sun, blueberry picking (north), camping, sailing, medieval week, canoeing. In both Stockholm and Gothenburg, temperatures can hit 25c in June, July and August, very occasionally edging up towards 30c. And beware, Swedes LOVE to talk about the weather. 17°C sea temperature; Recommended for Sweden. Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec. August weather forecast for Stockholm, Sweden. Finland is on the cooler side as well. Priceline; VRBO; Travelzoo; Explore! Scandinavia Weather in August .