Last updated: August 27, 2025
December in Hammarby, Sweden is characterized by its crisp and chilly temperatures, with an average hovering around -1°C (30°F). The month sees maximum temperatures reaching up to 8°C (47°F) and plunging to a brisk minimum of -18°C (-1°F). A notable feature of December's weather is its high humidity levels, often reaching 94%, which can make the cold feel even more penetrating. Residents and visitors can expect 56 mm (2.2 in) of precipitation over about 13 days, contributing to the wintry atmosphere that blankets the region. Whether it's the enchanting snowfall or the brisk air, December in Hammarby offers a striking blend of beauty and chill.
In December, Hammarby, Sweden, experiences the chill of winter as temperatures dip significantly. With minimums reaching -18°C (0°F), the landscape is often blanketed in frost, creating a serene yet crisp atmosphere. The average temperature settles around -1°C (30°F), offering a fleeting glimpse of warmth amid the biting cold. As the month progresses, maximum temperatures hover around 8°C (47°F), providing a brief reprieve from the frigid lows. This stark contrast from the milder fall months underlines Hammarby's transition into a true winter wonderland, setting the stage for snowy adventures and the cozy charm of the season.
In December, Hammarby, Sweden, experiences a noteworthy shift in precipitation patterns as the year draws to a close. With 56 mm (2.2 in) of rainfall, the month sees a modest increase compared to the previous month. Interestingly, December also ties with other wetter months like July and June, as rainfall is spread over 13 days, suggesting a persistent but gentle presence of moisture. This combination of substantial precipitation and frequent rainy days creates a distinctly damp atmosphere, reinforcing the transition into the harsh Nordic winter while hinting at the balance between snowfall and rain as temperatures start to drop.
In Hammarby, Sweden, December sees humidity levels at a notable 94%, retaining the high moisture characteristics that have been consistent throughout the late autumn months. As temperatures drop towards winter, humidity remains relatively stable, mirroring November's levels and showing a slight increase from the gradual decline observed through the preceding months. The trend indicates that while the days of summer had much lower humidity—hovering around 73% in June, July, and August—the scent of frost and the cozy ambiance of winter are often accompanied by this high humidity, creating a uniquely brisk yet humid atmosphere. As the year closes, Hammarby's humidity reflects the region's transformative seasonal cycles.
In Hammarby, Sweden, the UV Index in December remains at a low level of 1, similar to the preceding months of November and January, where the exposure category also reflects a minimal risk for skin damage. With a consistent burn time of 45 minutes, residents can enjoy outdoor activities with peace of mind, as sun protection is not a primary concern this time of year. The colder months see a marked decrease in UV exposure compared to the summer peaks of June and July, when the index soared to 7. As the year progresses, there's a clear trend of rising UV levels from winter's quietude to the brisk spring and summer months, making it essential to adjust sun safety practices accordingly. For more detailed information, explore the Hammarby UV Index.
UV Risk Categories
In Hammarby, Sweden, the sunshine hours tell a compelling story of seasonal transformation. The year kicks off with a mere 70 hours in January, gradually climbing as winter loosens its grip. By June and July, residents bask in the peak of summer with 465 and 475 hours of sunlight, respectively, allowing for delightful summer evenings. However, as the warmth fades, the sunshine hours decline steeply; December brings just 67 hours. This trend highlights a vivid contrast between the long, bright summer days and the stark, crisp winter nights, painting a clear picture of Sweden's seasonal rhythm as light ebbs and flows throughout the year.
In Hammarby, Sweden, the likelihood of sunny weather takes a noticeable dip as winter arrives, with December showing a 25% chance of sunshine. This aligns with the preceding months, where the chances hover between 25% and 28%, indicating a consistent pattern of limited sunlight as daylight hours shorten. As the year progresses toward the colder months, particularly from November to January, the percentages remain relatively low; however, the trend of a gradual increase in sunny days begins in the early spring, notably starting in March. For those dreaming of a winter wonderland, December offers its own charm, but sunshine may remain a rare visitor.
As December blankets Hammarby, Sweden, the days grow shorter, reaching a mere 5 hours of daylight by month’s end. This continues the seasonal trend of diminishing light that begins in late autumn, with November offering only 7 hours. The decline in daylight is stark when compared to the vibrant 18 hours enjoyed during the peak of summer in June and July. As the year transitions from the longer days of spring and summer—where April boasts 14 hours and May 17 hours—to the darker months, the cycle reminds us of nature's rhythm. Each month brings a gradual return of light, with January once again starting the journey toward brighter days, offering a glimmer of hope amidst the winter chill.
As December settles in Hammarby, Sweden, the wind whispers at an average speed of 3.2 m/s (7 mph), a gentle continuation of the trend seen throughout the latter part of the year. Notably, the wind has been relatively mild, hovering around the 3 m/s mark since August, with only a brief uptick in October to 4.1 m/s (9 mph). This December breeze invites a refreshing chill, reminiscent of the calmness that envelops the landscape during the winter months. As the days grow shorter, Hammarby's winds remain steady, creating a tranquil backdrop as the year winds down.
Weather in Hammarby varies notably across the year, with each month offering distinct climate conditions. This page compares December’s weather to other months in Hammarby, focusing on differences in temperature, rainfall, humidity, and UV levels.
December and January both bring cold temperatures, but January tends to be slightly chillier. In December, average temperatures hover around -1°C (30°F), with minimums reaching -18°C (1°F) and maximums peaking at 8°C (47°F). The month experiences a total precipitation of 56 mm (2.2 in) over about 13 days, contributing to a humidity level of 94%. In contrast, January sees even lower minimum temperatures of -22°C (-8°F) and an average of -2°C (28°F), while maximums rise slightly to 9°C (49°F). Precipitation in January is less, at 36 mm (1.4 in) over just 8 rainy days, with humidity increasing marginally to 96%. For a more detailed look at January weather, check Hammarby weather in January.
December and February display quite similar weather patterns, though February typically feels slightly milder. December sees average temperatures ranging from a minimum of -18°C (1°F) to a maximum of 8°C (47°F), while February offers a comparable range with minimums of -17°C (1°F) and maximums of 9°C (48°F). Precipitation levels are higher in December at 56 mm (2.2 in) over 13 days, compared to February's 36 mm (1.4 in) over just 8 days. Both months experience high humidity, but December's 94% slightly surpasses February's 93%. For a more detailed look at February's weather, visit Hammarby weather in February.
In December, temperatures range from a chilly minimum of -18°C (1°F) to a maximum of 8°C (47°F), with an average temperature around -1°C (30°F). The month experiences significant precipitation, with about 56 mm (2.2 in) over 13 days, and a high humidity level of 94% that adds to the cold sensation. In contrast, March shows a slight warming trend, where the minimum temperature dips to -20°C (-3°F) but can reach highs of 18°C (64°F), averaging around 0°C (33°F). Precipitation decreases to 39 mm (1.5 in) over just 7 days, and humidity also drops to 91%. For more details about March weather conditions, you can visit Hammarby weather in March.
December and April present strikingly different weather conditions. In December, temperatures can plummet to a minimum of -18°C (1°F), with an average of -1°C (30°F) and a maximum of 8°C (47°F). This month is also characterized by high humidity at 94% and frequent precipitation, with rain or snow on about 13 days, totaling 56 mm (2.2 inches). In contrast, April brings a notable shift, featuring milder temperatures, with lows of -13°C (9°F), averages around 4°C (40°F), and highs reaching 21°C (70°F). The precipitation decreases substantially to 29 mm (1.1 inches), occurring on just 7 days, and humidity drops to 84%. Overall, April heralds the arrival of spring with more pleasant weather compared to the cold, damp conditions typical of December. For more detailed insights, check out Hammarby weather in April.
In December, the weather is characterized by frigid temperatures, with a minimum of -18°C (0°F) and an average around -1°C (30°F), making it a harsh and biting month. In contrast, May brings a significant warmth, with temperatures ranging from a minimum of -5°C (24°F) to a pleasant average of 10°C (51°F), peaking at 28°C (83°F). Both months experience a similar amount of precipitation, with December receiving 56 mm (2.2 in) and May slightly higher at 57 mm (2.3 in), but December's humidity is considerably higher at 94% compared to May's 74%. For a closer look at the weather in Hammarby during May, you can visit Hammarby weather in May.
December and June present starkly contrasting weather conditions. In December, temperatures can drop to a minimum of -18°C (1°F), with an average of -1°C (30°F) and highs reaching only 8°C (47°F). The month tends to be quite wet, with 56 mm (2.2 in) of precipitation spread over 13 days, accompanied by high humidity levels at 94%. In contrast, June offers a much warmer experience, where temperatures range from a minimum of 4°C (39°F) to a maximum of 31°C (88°F), with an average of 16°C (61°F). Although June sees slightly higher precipitation at 70 mm (2.7 in) over 10 days, the humidity is considerably lower at 73%. For more details about Hammarby’s weather specifically during June, check out Hammarby weather in June.
The weather in December is starkly different from that in July, showcasing the full spectrum of seasonal variation. In December, temperatures can drop as low as -18°C (1°F), with an average temperature hovering around -1°C (30°F), making it a bitterly cold month. The high humidity of 94% exacerbates the chill, and the 56 mm (2.2 in) of precipitation over 13 days often falls as snow. In contrast, July boasts much milder temperatures, with lows of 6°C (43°F) and average highs reaching 32°C (90°F). The summer month experiences 70 mm (2.7 in) of precipitation over fewer days—only 11—resulting in a more comfortable atmosphere with a lower humidity of 73%. This dramatic difference highlights how December and July represent two extremes on the weather spectrum. For a closer look at July’s climate specifics, you can explore Hammarby weather in July.
When comparing the weather in December and August, it's clear that these months present vastly different climates. December experiences much colder temperatures, with averages hovering around -1°C (30°F) and maximums reaching only 8°C (47°F), while the humidity is a chilly 94%. In contrast, August brings a much milder and warmer atmosphere, with average temperatures around 16°C (61°F) and maximums soaring to 30°C (85°F). Additionally, August tends to be wetter, with precipitation totaling 90 mm (3.5 in) over 13 days, compared to December's 56 mm (2.2 in) under similar precipitation days. For a closer look at Hammarby's August weather specifics, check out Hammarby weather in August. Overall, while December's chilly and damp conditions dominate, August offers a welcome warmth and higher temperatures.
December weather is characterized by significantly colder temperatures, with a minimum of -18°C (1°F) and an average of -1°C (30°F), compared to the milder September temperatures, which range from a minimum of -1°C (31°F) to a maximum of 24°C (75°F). The average maximum temperature in December peaks at just 8°C (47°F), while September enjoys much warmer conditions with daily highs reaching up to 24°C (75°F). Additionally, December experiences higher humidity levels at 94%, along with more precipitation days (13 days) and a total of 56 mm (2.2 in) of precipitation, whereas September sees slightly less precipitation (53 mm / 2.1 in) over 9 days. For a detailed comparison, you can check Hammarby weather in September.
In comparing the weather between December and October, December presents much colder conditions with an average temperature of -1°C (30°F) compared to October's milder average of 7°C (44°F). While both months experience precipitation on 13 days, December receives less rain at 56 mm (2.2 in) than October's 88 mm (3.5 in). Additionally, December's humidity is slightly higher at 94%, compared to 92% in October. For those interested in specific weather patterns during October, you can find more details here: Hammarby weather in October.
December weather presents a chillier scenario compared to November, with average temperatures dropping from 2°C (36°F) in November to -1°C (30°F) in December. The minimum temperatures in December reach as low as -18°C (1°F), compared to a milder -12°C (11°F) in November. Additionally, precipitation increases slightly, with December receiving 56 mm (2.2 in) over 13 days, while November had 49 mm (1.9 in) across 9 days. Despite both months having a high humidity level of 94%, December's colder temperatures create a more wintry atmosphere. For more details on November's weather, you can visit Hammarby weather in November.
As December descends upon Hammarby, the weather showcases a distinct chill that sets it apart from the milder months of autumn. Temperatures dip significantly, with cold snaps reaching as low as -18°C, contrasting sharply with the more moderate averages experienced earlier in the year. This month is marked by increased precipitation, contributing to the sense of dampness, with about half the month seeing rain or snow—a stark difference from the drier months preceding it. With humidity levels soaring to around 94%, December becomes a time of heightened moisture, enveloping the region in a cool, crisp atmosphere. For a deeper understanding of Hammarby's seasonal changes, explore Hammarby Climate.