Last updated: January 18, 2025
Södermanland, Sweden, features a diverse climate characterized by the Köppen-Geiger classifications of Dfb (humid continental) and Cfb (oceanic). The region experiences a minimum temperature plummeting to -25°C (-13°F) in January, contrasting sharply with July, when average temperatures peak at a robust 33°C (92°F). Overall, the annual average temperature hovers around 8°C (46°F), highlighting the climatic variability that shapes both the environmental landscape and the lifestyle of its inhabitants.
Södermanland, Sweden, exhibits distinct seasonal temperature patterns that reflect the region's continental climate. The winter months of January and February are marked by frigid temperatures, with January recording minimums as low as -25°C (-13°F) and February dropping to -18°C (0°F), while maximums remain relatively mild for winter, peaking at around 13°C (55°F). As spring arrives, temperatures gradually rise, with March introducing more temperate conditions that see lows of -16°C (4°F) and a maximum of 18°C (65°F). The transition into summer brings significant warmth, with July temperatures averaging 18°C (65°F) and soaring to a maximum of 33°C (92°F), making it the hottest month. August slightly cools down but maintains similar highs, while September reintroduces colder nights, marking the onset of autumn with minimums around -2°C (29°F). By the end of the year, December sees temperatures drop again, with lows reaching -20°C (-4°F), completing a cycle that underscores Södermanland's striking seasonal fluctuations.
Mariefred experiences a wide range of temperatures throughout the year, with the coldest month, January, dipping to a minimum of -21°C (-5°F) and the warmest month, July, reaching a maximum of 30°C (87°F). This variation highlights the region's diverse climate, making it an intriguing destination for those interested in experiencing both winter's chill and summer's warmth. For more details, visit monthly temperatures in Mariefred.
Precipitation in Södermanland, Sweden, varies throughout the year, reflecting the region's diverse climate. The winter months of January and February experience relatively lower rainfall, with average totals of 39 mm (1.5 in) and 33 mm (1.3 in), occurring over about 7 days each month. March sees a slight increase in precipitation to 43 mm (1.7 in), marking the transition to spring. April experiences a dip to 29 mm (1.1 in) before precipitation rises again in May, reaching 58 mm (2.3 in) as the region warms.
As summer approaches, July records the highest monthly precipitation with 60 mm (2.4 in), which is complemented by August’s significant total of 76 mm (3.0 in), both occurring over approximately 10 to 12 days. The autumn months of September and October follow closely, contributing 62 mm (2.4 in) and 74 mm (2.9 in), respectively. Overall, precipitation remains fairly consistent throughout the year, with peaks in late summer and autumn, culminating in December with 59 mm (2.3 in), ensuring a rich hydrological cycle across Södermanland.
In Södermanland, Sweden, sunshine duration exhibits a clear seasonal pattern, reflecting the changing angle of the sun throughout the year. Winter months such as January and December see minimal sunlight, with only 75 hours and 78 hours respectively, as the region endures long nights and short days. February marks a notable increase, culminating in 164 hours, as spring approaches. This upward trend continues into March, where sunshine hours reach 256, indicating that longer days are on the horizon and suggesting a refreshing shift towards more favorable weather.
As the summer months roll in, Södermanland experiences a peak in sunshine, particularly in July, which boasts an impressive 474 hours of bright daylight. June and August also contribute significantly to this sunny momentum, with 460 hours and 402 hours respectively. Following this sunny crescendo, sunshine hours begin to taper off in autumn, with September still holding on to 293 hours before descending to 208 hours in October. By November, the region faces dwindling daylight once more, accumulating only 124 hours before the cycle begins anew. This seasonal dance of sunlight not only shapes the local climate but also influences outdoor activities and the well-being of the inhabitants.
The UV Index in Södermanland, Sweden, presents a dynamic range that shifts with the seasons, significantly influencing sun safety guidelines. During the winter months, January and December show minimal UV levels, rated at 1 and categorized as low, allowing for generous burn times of 45 minutes. As February arrives, the UV index increases slightly to 2, still within the low exposure category. This gradual rise continues into March, where the index reaches 3, indicating a moderate exposure risk and a decreased burn time of 30 minutes, as the increasing sun angle invites residents outdoors.
As summer hits, the UV index peaks dramatically, with June and July recording a high rating of 7, which decreases the burn time to just 25 minutes. This highlights the need for sun protection during these months. August begins with a UV index of 6, still indicating high risk before tapering off to moderate levels of 4 in September. The autumn months of October and November revert to lower indices of 2 and 1 respectively, echoing the conditions seen in winter. Overall, understanding these UV trends is crucial for residents and visitors to protect themselves appropriately throughout the year.
UV Risk Categories
In Södermanland, Sweden, daylight duration varies significantly throughout the year, reflecting the region's position at higher latitudes. The winter months are characterized by a stark reduction in daylight, with January providing just 7 hours and December dropping to a mere 6 hours. February marks the beginning of an upward trend as daylight increases to 9 hours, signaling the approach of spring. March further extends this duration to 11 hours, offering residents a taste of longer days as the sun begins to ascend higher in the sky.
As spring progresses into summer, Södermanland enjoys the longest daylight hours, peaking at 18 hours in June. This abundance of natural light continues into July with 17 hours, creating an ideal environment for outdoor activities and festivals. As the year transitions into autumn, daylight starts to gradually decline, with August providing 15 hours and September tapering to 12 hours. By October, daylight reduces to 10 hours, signaling the return to shorter days, which culminates once again in November with only 7 hours of daylight. This cyclical pattern of daylight duration illustrates the profound changes in the natural environment across seasons, shaping the daily lives of those in the region.
Mariefred, Sweden experiences a temperate climate with cold winters and warm summers. January and December are the coldest months, with average temperatures around -1°C (31°F), while July is the warmest month, reaching an average of 18°C (65°F). Precipitation varies throughout the year, peaking in August at 80 mm (3.1 in) and averaging around 60-70 mm (2.4-2.7 in) during the summer months. Sunshine is abundant in summer, with July enjoying nearly 479 hours of sunlight, compared to only 75 hours in January. For a detailed overview, visit Mariefred climate.
In conclusion, the climate and environmental conditions of Södermanland, Sweden, reveal a rich tapestry of seasonal variation that encompasses temperature fluctuations, precipitation patterns, sunshine duration, UV index levels, and daylight hours. The region experiences harsh winters followed by vibrant summers, characterized by significant increases in temperature and daylight that foster a variety of outdoor activities. While winter months see limited sunlight and UV exposure, the peak summer months emphasize the importance of sun safety as UV indices rise. Understanding these seasonal trends is crucial for residents and visitors alike, enabling them to adapt their lifestyles and outdoor plans to the dynamic climatic conditions that define this beautiful region of Sweden.