Last updated: August 27, 2025
In Kalmar, Sweden, August brings a delightful blend of summer warmth and refreshing coastal breezes. With a maximum temperature soaring up to 31°C (87°F), the days can feel pleasantly warm, while the average temperature hovers around 18°C (64°F), creating a comfortable atmosphere for outdoor activities. However, as the month progresses, a brief respite from the heat is provided by occasional rain, with 11 days of precipitation accumulating to 59 mm (2.3 in). Humidity levels reach 73%, adding a touch of softness to the air, making late summer in Kalmar a perfect time for enjoying both sunshine and tranquility by the sea.
In August, Kalmar, Sweden, experiences a delightful summer warmth, with temperatures showing a noticeable rise compared to previous months. The minimum temperature averages around 8°C (47°F), while the average climbs to a pleasant 18°C (64°F), peaking at a balmy 31°C (87°F) on the hottest days. This month reflects the peak of summer, providing a sharp contrast to the frigid winters, offering residents and visitors alike a vibrant atmosphere ideal for outdoor activities. With these rising temperatures, August becomes a month of vibrant life, where the long days and warm nights invite exploration and celebration in Sweden’s picturesque landscapes.
August in Kalmar, Sweden, brings a noticeable increase in precipitation, with an average of 59 mm (2.3 in) falling over 11 days. This is the peak of the summer months, where rain tends to be more frequent, setting August apart from the drier spells earlier in the year. Compared to July's 48 mm (1.9 in), this uptick signals a transition towards the wetter autumn season. Notably, the increase in precipitation continues into September, reinforcing a trend that sees the city prepare for the cooler months ahead. As summer fades, residents can expect more consistent rain, hinting at the lush landscapes and vibrant greenery that follow.
In August, Kalmar experiences a mild humidity level of 73%, slightly higher than the preceding months of July and June, which both recorded 68%. This uptick marks a typical trend as summer draws to a close, yet it remains significantly lower than the winter months when humidity reaches its peak near 90% in January. Following the warmth of summer, the air gradually becomes more moist in September, jumping to 81%. Overall, August serves as a transitional month, balancing the last whispers of summer with the encroaching moisture of autumn, reminding us of the natural rhythms of this beautiful Swedish coastal town.
In August, Kalmar, Sweden experiences a UV Index of 6, indicating a high exposure category with a burn time of just 25 minutes for unprotected skin. This marks a slight decline from the peak July levels, which also featured a UV Index of 7. The summer months of May through August showcase a distinct trend of increasing UV intensity, emphasizing the need for sun protection as outdoor activities peak during this time. As the season transitions into September, the UV Index drops to 5, leading into a more moderate exposure category. For more detailed information about sun safety, visit Kalmar UV Index.
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As August rolls in, Kalmar, Sweden, enjoys a brilliant 407 hours of sunshine, making it one of the sunniest months of the year. Following the summer peak in July, with an impressive 458 hours, August still retains a vibrant glow, yet hints at the gradual transition towards autumn. The gradual decline in daylight hours stands in contrast to the early months of the year; from a mere 93 hours of sunlight in January to almost double that by March, sunshine steadily ascends until it peaks in mid-summer. This pattern underscores Kalmar's delightful summer climate, where long, sun-drenched days invite both locals and visitors to bask in the vibrant beauty of the season, while subtly preparing for the cozy, shorter days of September and October ahead.
In Kalmar, Sweden, the likelihood of sunny weather experiences notable fluctuations throughout the year, with August offering a moderate chance of sun at 38%. This figure is a decline from the peak summer month of June, which boasts a sunny probability of 52%, and reflects the transition into the cooler months. July sees a slight dip to 44%, while August continues this trend as daylight hours begin to diminish. Nevertheless, compared to the earlier months of the year, where the chances of sunshine are notably lower—hovering around 18% in January and gradually increasing up to April's 48%—August still retains a relatively pleasant opportunity for sunshine amidst the encroaching autumn.
In August, Kalmar, Sweden, experiences a gradual transition from the long, sun-kissed days of summer to the softer, shorter days of autumn. With about 15 hours of daylight, August offers a pleasant balance—a hint of autumn in the air, yet still bright enough to enjoy the lingering warmth of summer. Following the peak sunshine of June and July, where daylight stretches up to a remarkable 17 hours, the daytime begins to wane. This gradual decline in daylight sets the stage for the cooler months ahead, reflecting a rhythmic pattern of light that is both predictable and serene as the days become more tempered, leading into September with its 12 hours of daylight.
In August, Kalmar, Sweden experiences a gentle breeze with an average wind speed of 4.1 m/s (9 mph), which marks a slight uptick from the calmer summer months of June and July. This increase hints at the transition into autumn, when winds typically become more invigorating. Interestingly, August trails behind the earlier winter months, such as January through April, where gusts remain consistently higher at around 4.3 to 4.5 m/s (10 mph). As the year progresses towards the colder seasons, the wind speeds generally stabilize around the 4 m/s mark, creating a rhythmic pattern that accompanies the shift in seasons. Overall, August's breeze provides a refreshing yet mild precursor to the more robust winds of fall.
Weather in Kalmar varies notably across the year, with each month offering distinct climate conditions. This page compares August’s weather to other months in Kalmar, focusing on differences in temperature, rainfall, humidity, and UV levels.
August and January present stark contrasts in weather, showcasing the diversity of the seasons. In August, temperatures range from a mild 8°C (47°F) to a warm 31°C (87°F), with an average of 18°C (64°F) and 11 days of rain totaling 59 mm (2.3 in). Humidity sits comfortably at 73%, making for a pleasant summer atmosphere. In contrast, January brings frigid conditions, with temperatures plunging from a low of -14°C (6°F) to a high of 11°C (51°F) and an average temperature of just 1°C (35°F). Although precipitation is lower at 40 mm (1.6 in) over 8 days, the humidity is notably higher at 90%, creating a cold and damp environment. For a detailed look at January weather in Kalmar, you can check Kalmar weather in January.
The weather in August and February presents a striking contrast, both in temperature and climate characteristics. August boasts a warm average of 18°C (64°F) with maximum temperatures reaching as high as 31°C (87°F), while February experiences much colder conditions with an average of just 1°C (35°F) and minimum temperatures plummeting to -15°C (6°F). Although both months see precipitation on about 11 days, August receives slightly more rain at 59 mm (2.3 in) compared to February's 48 mm (1.9 in). Additionally, humidity levels are higher in February at 89%, versus 73% in August, enhancing the cold's chilliness. For a detailed look at February’s unique weather traits, you can visit Kalmar weather in February.
The weather in August contrasts sharply with that of March, showcasing the transition from cool to warm seasons. August boasts higher temperatures, with an average of 18°C (64°F) and highs reaching up to 31°C (87°F), while March's average hovers around 3°C (38°F), with maximum temperatures only reaching 17°C (63°F). Precipitation in August is slightly higher at 59 mm (2.3 in) over 11 days, compared to March's 49 mm (1.9 in) over 12 days. Additionally, humidity levels are more comfortable in August at 73%, while March experiences a higher humidity at 88%. For a detailed look at March weather, you can refer to Kalmar weather in March.
When comparing the weather in August and April, one can observe significant differences in temperature and precipitation. August boasts a much warmer climate, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (87°F), and an average of 18°C (64°F). In contrast, April remains cooler, with temperatures fluctuating between -6°C (21°F) and 20°C (69°F), averaging only 6°C (43°F). Precipitation is also lower in April, accumulating to 25 mm (1.0 in) over approximately 6 days, whereas August experiences 59 mm (2.3 in) across 11 days. Additionally, April's humidity is slightly higher at 82%, compared to August's 73%. For a detailed look at April weather specifics, check Kalmar weather in April.
In comparing the weather between August and May, August typically experiences warmer temperatures, with averages of 18°C (64°F) during the day and a maximum reaching up to 31°C (87°F). In contrast, May's temperatures are cooler, averaging around 11°C (52°F) with a maximum of 27°C (81°F). Additionally, while both months have a similar number of rainy days, August receives slightly more precipitation at 59 mm (2.3 in) compared to May's 44 mm (1.7 in). Humidity levels are also quite similar, with August at 73% and May at 72%. For more detailed information, you can check Kalmar weather in May.
In comparing the weather of August and June, it’s evident that August tends to be warmer overall, with average temperatures reaching 18°C (64°F) compared to June's average of 17°C (63°F). August features a wider temperature range, with minimums of 8°C (47°F) and maximums hitting 31°C (87°F), whereas June has minimums of 6°C (43°F) and a maximum of 29°C (84°F). Additionally, August experiences more precipitation, with a total of 59 mm (2.3 in) across 11 days, while June sees only 41 mm (1.6 in) over 8 days. Humidity levels are slightly higher in August at 73%, compared to June's 68%. For more detailed information, check out Kalmar weather in June.
When comparing the weather in August and July, one can see some notable differences. August features slightly warmer conditions, with average temperatures hovering around 18°C (64°F), peaking at 31°C (87°F), compared to July's maximum of 29°C (85°F). Additionally, August brings more precipitation, with 59 mm (2.3 in) over 11 days, while July experienced 48 mm (1.9 in) across 9 days. Humidity also rises in August to 73%, compared to July's 68%. For more detailed information on July weather, you can check Kalmar weather in July.
In comparing the weather of August and September, August tends to be warmer with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (87°F) and an average of 18°C (64°F). It experiences higher temperatures and relatively lower humidity at 73%, accompanied by 59 mm (2.3 in) of precipitation over 11 days. In contrast, September sees cooler temperatures, with a minimum of 2°C (36°F), an average of 14°C (57°F), and a maximum of 24°C (76°F). The humidity increases slightly to 81%, while precipitation is close to August's figures at 55 mm (2.2 in) over 9 days. For a more detailed look at September's weather, you can check Kalmar weather in September.
August and October present contrasting weather conditions, reflecting the transition from summer to autumn. In August, temperatures range from a pleasant 18°C (64°F) on average to a maximum of 31°C (87°F), alongside a lower average humidity of 73%. In contrast, October sees a significant drop in temperatures, with averages around 10°C (50°F), peaking at just 19°C (66°F), and even dipping to a chilly -1°C (30°F) at night. Precipitation also varies slightly, with October receiving more rain (67 mm) over 12 days compared to August's 59 mm over 11 days, and humidity levels rise to 87%. For a detailed look at the weather conditions in October, you can check Kalmar weather in October.
August and November present distinct contrasts in weather conditions. August boasts warmer temperatures, with a minimum of 8°C (47°F), an average of 18°C (64°F), and a maximum of 31°C (87°F), making it feel quite summery. The humidity is relatively comfortable at 73%, and while there are 11 days of precipitation, it totals 59 mm (2.3 in). In contrast, November sees a significant drop in temperature, with a minimum of -6°C (22°F), an average of 6°C (43°F), and a maximum of only 16°C (61°F). The humidity rises to a higher 89%, and while precipitation is slightly less at 51 mm (2.0 in), it also falls over the same number of days. For more details on November weather, visit Kalmar weather in November.
In August, the weather in Kalmar is warm, with temperatures ranging from a minimum of 8°C (47°F) to a maximum of 31°C (87°F) and an average of 18°C (64°F). The humidity is relatively high at 73%, and there is a moderate amount of precipitation, totaling 59 mm (2.3 in) over about 11 days. In contrast, December brings a significant chill, with temperatures dropping to a minimum of -9°C (16°F) and peaking at 10°C (51°F), averaging only 3°C (37°F). The winter month experiences more rainfall, with precipitation of 60 mm (2.4 in) spread over 15 days, and humidity climbs to 88%. For more details, you can check Kalmar weather in December.
As summer reaches its zenith, August in Kalmar presents a unique blend of warmth and humidity that sets it apart from other months. With maximum temperatures soaring to pleasant highs and an average that encourages outdoor adventures, this time of year is characterized by vibrant days. However, don't forget your umbrella, as August experiences a noticeable uptick in precipitation, leading to sporadic showers that nurture the lush surroundings. The added moisture results in humidity levels around 73%, creating a muggy atmosphere at times. Overall, August stands as a transitional month, capturing the essence of summer while hinting at the cooler days to come. For more detailed insights, be sure to check out Kalmar Climate.