Weather Trends in Stockholm, SwedenWeather Trends in Stockholm,
Sweden

Stockholm experiences a climate characterized by significant seasonal contrast, shifting between mild summers and freezing winters. WeatherBox data shows that the average daily high in the warmest month reaches 21.3°C (70.3°F), offering pleasant heat that rarely exceeds 25.6°C (78.1°F). Conversely, the coldest month brings average lows of -3.9°C (25.0°F), with extreme cold snaps occasionally dropping temperatures to -10.9°C (12.4°F). The thermal profile varies by 19.1°C (34.4°F) across the year, averaging 16.5°C (61.7°F) during the summer season and -0.8°C (30.6°F) throughout the winter months.

Daylight availability and cloud coverage fluctuate drastically throughout the year. The city enjoys abundant sunshine in early summer, peaking at 324.1 hours, while December sees minimal light with an average of 0.0 hours. Heavy cloud cover is common in winter, reaching a maximum density of 86.2. Precipitation remains moderate year-round, accumulating 622 mm (24 in) annually. The wettest conditions arrive in late summer, with August receiving 76 mm (3 in), while April is the driest month, recording just 32 mm (1 in).

Atmospheric conditions are typically influenced by airflow from the WSW, contributing to the region's temperate atmosphere. Humidity levels rise significantly in the colder months, peaking at 88.8, though the air feels drier in spring. Solar intensity is moderate; the average peak UV Index is 4.3 during the summer solstice. Winds are generally consistent but can strengthen in January, where gusts rarely exceed 29.7 km/h (18.5 mph).

For more detailed visualizations and to analyze historical trends, explore the advanced weather charts on WeatherBox.