Last updated: August 27, 2025
In Hammarby, Sweden, January showcases the chill of winter with temperatures ranging from a brisk -22°C (-8°F) at night to a mild high of 9°C (49°F) during the day. The month sees an average temperature hovering around -2°C (28°F), complemented by 36 mm (1.4 in) of precipitation over 8 days, creating a beautifully atmospheric landscape. With humidity levels peaking at an impressive 96%, residents and visitors can expect a truly wintry experience, where frosty air intertwines with the pristine beauty of the Swedish winter.
In January, Hammarby, Sweden, experiences a formidable chill, with temperatures plunging to a minimum of -22°C (-8°F). Despite this bitter cold, the average temperature hovers around a milder -2°C (28°F), providing a brief respite from the frost. Daytime highs can reach up to 9°C (49°F), hinting at the gradual shift towards milder conditions as the month progresses. This trend continues into February, where temperatures remain largely unchanged, while March offers a glimpse of spring with a notable increase in maximum temperatures, peaking at 18°C (64°F) by the month’s end. As January sets the stage for the bitter winter, it serves as a reminder of the beauty and resilience found in Hammarby’s changing seasons.
In January, Hammarby, Sweden, receives 36 mm (1.4 in) of precipitation across approximately 8 days, marking a consistent start to the year. Notably, this month's rainfall aligns with February's totals, suggesting a relatively stable winter pattern. As the seasons transition, precipitation slightly increases in March with 39 mm (1.5 in). Overall, the early months exhibit a steady precipitation trend that sets the stage for more significant rainfall in the spring and summer, highlighting a gradual increase in moisture as the year progresses. This rhythm of rainfall not only shapes the local landscape but also influences outdoor activities, as Hammarby's residents adapt to the varied conditions throughout the year.
In January, Hammarby, Sweden, experiences a notably high humidity level of 96%, setting the tone for a truly damp winter. As the months progress into February and March, humidity slightly decreases to 93% and 91% respectively, hinting at a gradual shift towards dryer conditions. However, spring brings a significant drop, with April's humidity at 84%, followed by a more marked decline through the summer months, reaching a low of 73% from June to July. This trend of decreasing humidity continues, although the levels begin to creep back up in August to 78% as autumn approaches. With September and October, humidity rises again, stabilizing around the 90s%, before peaking again in November and December, both at 94%. This cyclical pattern reflects Hammarby’s transition from the heavy moisture of winter, through a brief, drier summer, back to a damp fall, showcasing the region's distinctive seasonal rhythms.
In January, Hammarby experiences a low UV Index of 1, indicating minimal risk of harm from unprotected sun exposure, where you can safely enjoy about 45 minutes outdoors. This trend of low UV levels continues into February, providing a consistent opportunity for winter activities without much concern for sunburn. As spring approaches in March, the UV Index rises to 3, shifting to a moderate exposure category with a burn time of 30 minutes, signaling that it’s time to start thinking about sun protection as daylight hours increase. The UV Index peaks in the summer months of June and July at 7, where 25 minutes of sun exposure could lead to burns, emphasizing the need for proactive skin care during those sun-soaked days. As the seasons transition back to cooler weather in the fall and winter, the UV Index decreases once again to low levels, reminiscent of January, where UV exposure remains a low concern throughout the rest of the year. For a comprehensive look at UV trends in Hammarby, visit Hammarby UV Index.
UV Risk Categories
In Hammarby, Sweden, the transition from January to July showcases a remarkable increase in sunshine hours, starting with a modest 70 hours in January and surging to an impressive 475 hours by July. This upward trend reflects the gradual awakening of nature as winter recedes and spring blooms into summer. As the days lengthen, February sees a robust jump to 165 hours, paving the way for March's bright 264 hours, which signal the arrival of longer, sunnier days. From April onward, the sunshine hours continue to rise, peaking in the heart of summer before tapering off into the cooler months. By October, daylight diminishes to 196 hours, with November and December trailing behind at 113 and 67 hours respectively. This cyclical pattern beautifully illustrates the changing seasons in Hammarby, where each month brings a unique rhythm of light and warmth.
In Hammarby, Sweden, the likelihood of sunny weather in January is notably low, with only 15% chance of sun. This marks the beginning of a gradual upward trend as the year progresses; February sees a slight increase to 31%, while March and April continue to improve with 36% and 47% chances of sunshine, respectively. The spring months enhance the likelihood of bright days, peaking in the summer with July boasting a 50% chance of sun. Interestingly, after the peak, the chances decline again, highlighting a seasonal rhythm in Hammarby's weather. So, if you're hoping for sunny skies in January, be prepared for a predominantly overcast experience, with brighter days just around the corner as spring emerges.
In Hammarby, Sweden, the month of January brings a modest 6 hours of daylight, a stark contrast to the extended brightness of summer days. As winter gradually loosens its grip, February reveals a gentle increase to 9 hours, hinting at the promise of spring. This upward trend continues into March, where daylight stretches to 11 hours, further invigorating the anticipation for warmer months. By April, daylight blossoms to 14 hours, setting the stage for May’s generous 17 hours, and the peak of 18 hours in June and July. As summer gives way to autumn, daylight begins its slow retreat, with August still enjoying 15 hours, but September sees a drop to 12 hours. The reduction continues into October with 10 hours, before falling back to 7 hours in November and a mere 5 hours in December. This cyclical pattern clearly showcases the rhythmic dance of daylight throughout the year, transitioning from the short, dark days of winter to the bright, long hours of summer.
In January, Hammarby, Sweden, experiences an average wind speed of 3.1 m/s (or 7 mph), setting the tone for the winter months with a refreshing but manageable breeze. As the year progresses into February and March, the winds pick up slightly, reaching 3.5 m/s and 3.6 m/s, respectively, hinting at the impending spring. Interestingly, as summer approaches, the wind speeds decline, dipping to 2.7 m/s in both June and July—perfect for enjoying the tranquil beauty of the Swedish landscape. However, October surprises with a notable increase, averaging 4.1 m/s (9 mph), marking a transition back to brisker conditions. Overall, the trend in Hammarby's winds reveals a gentle ebb and flow, with moderate amplifications just prior to the shift into more lively seasons.
Weather in Hammarby varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Hammarby, focusing on differences in temperature, rainfall, humidity, and UV levels.
January and February share similar average temperatures, with January featuring a minimum of -22°C (-8°F) and February a slightly higher minimum of -17°C (1°F). Both months have the same average temperature of -2°C (28°F) and maximum temperatures around 9°C (49°F) for January and 9°C (48°F) for February. Precipitation levels remain consistent at 36 mm (1.4 in) over eight days in each month. However, January experiences slightly higher humidity at 96%, compared to February's 93%. For a closer look at February weather specifics, you can visit Hammarby weather in February.
In January, the weather is characterized by frigid temperatures, with average lows around -22°C (-8°F) and mild highs reaching only 9°C (49°F). The month experiences significant humidity at 96% and sees about 36 mm (1.4 inches) of precipitation over 8 days. In contrast, March brings a slight warming trend, with average temperatures ranging from a minimum of -20°C (-3°F) to a maximum of 18°C (64°F). Although it has slightly higher precipitation at 39 mm (1.5 inches) over just 7 days, March's humidity decreases to 91%. This transition from January's harsh chill to March's milder conditions is quite noticeable. For a closer look at the specific weather in March, check out Hammarby weather in March.
January weather is characterized by frigid temperatures, with lows reaching as low as -22°C (-8°F) and an average temperature of around -2°C (28°F). The month experiences about 36 mm (1.4 inches) of precipitation over 8 days, coupled with a high humidity level of 96%, creating a very damp and cold atmosphere.
In contrast, April brings a noticeable warming trend, with minimum temperatures around -13°C (9°F) and an average of 4°C (40°F). The maximum temperature can reach a pleasant 21°C (70°F). Precipitation decreases slightly to 29 mm (1.1 inches) over 7 days, and humidity drops to 84%, contributing to a fresher feel in the air. For more detailed weather specifics, check Hammarby weather in April.
In January, temperatures in Hammarby can plunge to a minimum of -22°C (-8°F) and typically hover around an average of -2°C (28°F), reaching a maximum of 9°C (49°F). The month experiences significant humidity at 96% and sees precipitation on about 8 days, totaling 36 mm (1.4 in). In stark contrast, May ushers in much milder weather, with temperatures ranging from a minimum of -5°C (24°F) to a pleasant average of 10°C (51°F) and a maximum soaring to 28°C (83°F). With an increase in precipitation to 57 mm (2.3 in) and rainfall occurring on roughly 11 days, May offers a noticeable shift towards a warmer and sunnier climate. For more detailed insights, check out Hammarby weather in May.
In January, the weather is characterized by bitterly cold temperatures, with a minimum of -22°C (-8°F) and an average of -2°C (28°F), peaking at a maximum of 9°C (49°F). The month sees a considerable amount of precipitation, totaling 36 mm (1.4 in) over about 8 days, accompanied by high humidity levels at 96%. In stark contrast, June experiences a much milder climate, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 31°C (88°F) and an average of 16°C (61°F). While June receive slightly more precipitation with 70 mm (2.7 in) over 10 days, the humidity drops to a more comfortable 73%. For a closer look at the weather during this warm month, check out Hammarby weather in June.
In January, temperatures can plunge to a minimum of -22°C (-8°F), with an average of -2°C (28°F) and a maximum of just 9°C (49°F). The month experiences high humidity at 96%, with 36 mm (1.4 in) of precipitation over approximately 8 days, making it a cold and damp winter month. In contrast, July brings significantly warmer weather, with temperatures ranging from a minimum of 6°C (43°F) to a comfortable average of 17°C (63°F), peaking at a maximum of 32°C (90°F). July sees higher precipitation at 70 mm (2.7 in) spread across 11 days, but the humidity drops to a more moderate 73%, contributing to a pleasantly warm summer atmosphere. For more detailed weather insights specifically for July, you can visit Hammarby weather in July.
January and August present a stark contrast in weather conditions. In January, temperatures plummet, with minimums reaching as low as -22°C (-8°F) and an average of -2°C (28°F), while August enjoys milder temperatures, ranging from a minimum of 3°C (38°F) to a maximum of 30°C (85°F) and an average of 16°C (61°F). Additionally, January is characterized by high humidity at 96% and relatively low precipitation of 36 mm (1.4 in) over 8 days, whereas August sees increased rainfall, totaling 90 mm (3.5 in) across 13 days, accompanied by lower humidity at 78%. To explore more about the August weather specifics, check out Hammarby weather in August.
January and September present striking contrasts in weather conditions. In January, temperatures plunge, with a minimum of -22°C (-8°F) and an average of -2°C (28°F), while precipitation is relatively low at 36 mm (1.4 in) over 8 days, accompanied by high humidity at 96%. In stark contrast, September enjoys milder temperatures, ranging from a minimum of -1°C (31°F) to a comfortable maximum of 24°C (75°F), with an average of 11°C (53°F). This month experiences slightly more precipitation at 53 mm (2.1 in) over 9 days, but humidity is lower at 87%. For more detailed insights, explore Hammarby weather in September.
In comparing January and October weather, January is characterized by frigid temperatures, with a minimum of -22°C (-8°F) and an average of -2°C (28°F), while October offers a much milder climate, featuring a minimum of -5°C (23°F) and an average of 7°C (44°F). Additionally, October experiences significantly more precipitation, totaling 88 mm (3.5 in) over 13 days, compared to January's 36 mm (1.4 in) over 8 days. Humidity levels are relatively high in both months, though January's average of 96% slightly edges out October's 92%. For a more detailed look at the conditions in October, you can check Hammarby weather in October.
In comparing the weather patterns of January and November, January tends to be significantly colder, with average temperatures hovering around -2°C (28°F) and lows dipping to -22°C (-8°F). In contrast, November experiences milder conditions, with average temperatures around 2°C (36°F) and lows of -12°C (11°F). Additionally, November sees slightly more precipitation, totaling 49 mm (1.9 in) over 9 days, as compared to January's 36 mm (1.4 in) over 8 days. Humidity levels remain relatively high in both months, with January at 96% and November at 94%. For more specific insights on November weather, you can check Hammarby weather in November.
In January, temperatures can dip as low as -22°C (-8°F), with an average of -2°C (28°F) and a maximum reaching 9°C (49°F). The month sees about 36 mm (1.4 in) of precipitation spread over 8 days, contributing to high humidity levels at 96%. In contrast, December experiences slightly milder temperatures, with a minimum of -18°C (-1°F), an average of -1°C (30°F), and a maximum of 8°C (47°F). Precipitation is higher at 56 mm (2.2 in) over 13 days, accompanied by a humidity level of 94%. For a closer look at conditions during this month, you can visit Hammarby weather in December.
January weather in Hammarby presents a striking contrast to the milder months, characterized by its frigid temperatures and high humidity, with averages hovering around -2°C and dipping as low as -22°C. This winter month typically sees 36 mm of precipitation spread over 8 days, combining to create a chilly, damp atmosphere that feels even colder due to the 96% humidity. These conditions make January one of the most challenging months for visitors and locals alike, transforming the landscape into a winter wonderland but also requiring extra layers and preparation for outdoor activities. For those interested in understanding more about how Hammarby's weather evolves throughout the year, check out the comprehensive details in Hammarby Climate.