Last updated: January 18, 2025
Kalmar, Sweden, is characterized by a temperate maritime climate (Cfb) and a continental climate (Dfb), presenting a unique blend of seasonal variations. With winter temperatures plunging to a minimum of -21°C (-5°F) in January, the region experiences a stark contrast to the average annual temperature of 9°C (48°F). Summers can be notably warm, with maximum temperatures reaching up to 33°C (92°F) in June. This climatic diversity contributes to Kalmar's rich ecological tapestry and vibrant seasonal activities, making it a fascinating area for climate studies and outdoor enthusiasts alike.
Kalmar, Sweden, exhibits distinct seasonal temperature patterns, beginning with the bitterly cold winters, where January sees minimum temperatures plummet to -21°C (-5°F). As the seasons transition into spring, temperatures gradually rise, evident in March with averages reaching 3°C (37°F) and maximums peaking at 20°C (68°F). By late spring, particularly in May, warmer days emerge, with average temperatures climbing to 11°C (52°F) and maximums soaring to 30°C (86°F). The peak of summer in June and July is characterized by comfortable warmth, with temperatures averaging 17°C (62°F) to 18°C (65°F) and maximums hitting 33°C (92°F) in June. As autumn approaches, a cooling trend is apparent, with September bringing averages of 14°C (57°F), leading into colder months where temperatures dip slightly, culminating in December with a minimum of -20°C (-3°F). This fluctuation paints a picture of Kalmar’s dynamic climate, marked by a vivid contrast between seasonal extremes.
Kalmar experiences a minimum temperature of -15°C (6°F) in February, with highs reaching up to 31°C (87°F) in August, as detailed in the monthly temperatures in Kalmar. In Vaestervik, the coldest month is January, with temperatures dropping to -13°C (9°F), while August sees a maximum of 28°C (83°F), according to the monthly temperatures in Vaestervik. Meanwhile, Vimmerby records even lower temperatures, plunging to -20°C (-3°F) in December, but can soar to 33°C (91°F) in June, as outlined in the monthly temperatures in Vimmerby.
Kalmar, Sweden, experiences a varied precipitation pattern throughout the year, with rainfall peaking in the late summer and early autumn months. January begins the year with approximately 41 mm (1.6 in) of rain over about 8 days, gradually increasing to 47 mm (1.9 in) in February and 49 mm (1.9 in) in March. The spring months, particularly April, witness a dip in precipitation to 26 mm (1.0 in), offering a brief respite before the gradual rise resumes in May with 48 mm (1.9 in) of rainfall.
The summer months see a notable increase in precipitation, with July recording the highest monthly total of 60 mm (2.4 in), and August following closely with 68 mm (2.7 in). As autumn sets in, precipitation remains significant, reaching 69 mm (2.7 in) in October and averaging around 52 mm (2.1 in) in November. The year concludes with December bringing in 60 mm (2.4 in) of rain, over 14 days, solidifying Kalmar’s profile as a region with moderate to high rainfall, particularly prominent in the late summer and early autumn months.
In Kalmar, Sweden, sunshine duration exhibits a clear seasonal pattern, with a significant increase from the dreary winter months to the vibrant summer. Starting the year in January with only 91 hours of sunlight, residents experience a gradual uplift in brightness through February, which boasts 163 hours, and further climbs to 260 hours in March. This trend accelerates as spring unfolds, peaking in April with 364 hours, indicative of longer days that herald the arrival of summer. By May, sunshine hours soar to 435 hours, as Kalmar revels in the lush greenery and revitalized outdoor activities that accompany warmer weather.
The summer months bring the most abundant sunlight, culminating in July with 463 hours, closely followed by August with 406 hours. However, this peak begins to taper as autumn arrives; September sees a drop to 302 hours, signaling the transition to shorter days. October and November continue the decline, showcasing 235 hours and 124 hours, respectively, before the cycle restarts with December’s mere 95 hours. This seasonal cycle of sunshine not only highlights Kalmar's inviting summers but also underscores the contrasting brief daylight of winter, influencing both lifestyle and local culture throughout the year.
In Kalmar, Sweden, the UV Index reflects the seasonal changes of sunlight intensity and potential sun exposure risks. During the winter months of January and February, the UV Index remains low at 1 and 2, respectively, with a burn time of 45 minutes, allowing residents to enjoy outdoor activities without much concern for UV radiation. As spring approaches, a shift occurs in March as the UV Index rises to 3, moving into the moderate exposure category with a reduced burn time of 30 minutes. This gradual increase continues into April, where it peaks at 5, indicating a moderate risk, which means taking precautions is advisable.
The summer months are characterized by the highest UV Index values, reaching 7 in both June and July, signaling a high risk of harm from unprotected sun exposure. During this period, the burn time is reduced to just 25 minutes; hence, residents and visitors should take increased care, such as wearing protective clothing and applying sunscreen. As summer gives way to autumn, the UV Index dips back to 5 in September, followed by moderate levels of 3 in October. By November and December, the UV Index returns to low levels of 1, allowing for a safer outdoor experience. This clear seasonal fluctuation emphasizes the importance of sun safety practices throughout the year, particularly during the high UV months.
UV Risk Categories
Daylight duration in Kalmar, Sweden, showcases a dramatic seasonal shift, reflecting the longer days of summer contrasted with the shorter days of winter. At the beginning of the year, January offers only 7 hours of daylight, gradually increasing to 9 hours in February. As spring approaches, March sees daylight extend to 11 hours, paving the way for an impressive surge in April where daylight reaches 14 hours. The transition into summer culminates in May with 16 hours of light, and June and July each bask in approximately 17 hours of daylight, providing ample time for outdoor activities and community events.
As the year progresses, daylight begins to wane, with August still enjoying 15 hours before a notable decline. In September, daylight drops to 12 hours, and by October, it further decreases to 10 hours. The last two months of the year return to the low light levels reminiscent of January, with November providing just 8 hours, and December the least at 6 hours. This pronounced variation in daylight not only affects daily routines and lifestyles in Kalmar but also highlights the region's unique experience of long summer evenings and the brief, dark days of winter.
Borgholm, Sweden experiences a diverse climate throughout the year, marked by cold winters and mild summers. January and February see average temperatures around 2°C (36°F), while July and August reach highs of 18°C to 28°C (65°F to 83°F), making them the warmest months. Precipitation varies, peaking in October with 74 mm (2.9 in), and sunshine hours are abundant in the summer, with July receiving about 470 hours of sunlight. For more detailed climate information, visit Borgholm climate.
Kalmar, Sweden experiences a diverse climate throughout the year. Winters are cold, with temperatures dropping as low as -15°C (5°F) in February, while summers can be warm, reaching up to 31°C (87°F) in August. Precipitation is fairly consistent, peaking in October with 67 mm (2.6 in), and the region enjoys the most sunshine in the summer months, particularly July with 458 hours. For more detailed information, visit Kalmar climate.
Orrefors, Sweden experiences a diverse climate characterized by cold winters and mild summers. January temperatures can drop to a minimum of -16°C (3°F), with average highs around 1°C (33°F). In contrast, July sees averages around 18°C (64°F) and can peak at 31°C (87°F). Precipitation is moderate throughout the year, with the wettest months being July and August, receiving up to 79 mm (3.1 in). For more detailed information, visit Orrefors climate.
Vaestervik, Sweden experiences a temperate climate with distinct seasons. Winters are cold, with January temperatures averaging around 2°C (35°F) and lows dropping to -13°C (9°F), while summers offer milder conditions, peaking at an average of 18°C (65°F) in July. Precipitation varies, with the wettest months being October and August, receiving around 76 mm (3.0 in) and 65 mm (2.6 in), respectively. Sunshine hours peak in the summer, particularly in June and July, providing nearly 470 hours of daylight. For more detailed information, visit Vaestervik climate.
Vimmerby, Sweden experiences a diverse climate characterized by cold winters and mild summers. January temperatures can drop as low as -20°C (-3°F), while July sees averages around 17°C (63°F). Precipitation varies throughout the year, with peak rainfall in July and August, amounting to 79 mm (3.1 in) and 85 mm (3.3 in) respectively. The area enjoys significant sunshine, particularly in the summer months, with up to 462 hours in July alone. For more detailed information, visit Vimmerby climate.
In conclusion, Kalmar, Sweden, presents a captivating interplay of climate, temperature, precipitation, sunshine duration, UV Index, and daylight hours throughout the year. The city experiences distinct seasonal variations, from cold, sun-deficient winters to bright, long summer days that enhance outdoor activities and community engagement. As the UV Index fluctuates with the seasons, it emphasizes the importance of sun safety during the brighter months, while the varying daylight duration highlights the Nordic experience of dramatic shifts in light exposure. Together, these climatic characteristics shape Kalmar's unique environment, fostering a rich cultural tapestry influenced by its natural rhythms and seasonal transformations.