January Weather in Nacka, Sweden

Last updated: August 27, 2025

In January, Nacka, Sweden, experiences a dynamic winter climate marked by a maximum temperature reaching 9°C (49°F) and an average chill of 0°C (33°F), with occasional dips to a minimum of -15°C (6°F). This month sees about 43 mm (1.7 in) of precipitation spread across 10 days, contributing to the humid atmosphere with levels peaking at 90%. The unpredictable weather patterns combined with stunning wintry landscapes create a unique experience for residents and visitors alike, highlighting the charm of Swedish winter life.

January Temperature in Nacka

In Nacka, Sweden, January reveals a winter wonderland where temperatures can plunge to a brisk -15°C (6°F) but typically hover around a refreshing 0°C (33°F). This stark chill marks the heart of winter, setting the stage for the gradual warming that follows in February, with lows of -12°C (11°F) and an average remaining steady at 0°C (32°F). As the months progress, March teases the arrival of spring with minuscule increases, allowing temperatures to reach 2°C (35°F) and maxing out at a pleasant 14°C (57°F) by the end of the month. This upward trend continues into April, when the that winter grip loosens further, with averages climbing to 5°C (40°F). Overall, January serves as a pivotal moment in Nacka's seasonal rhythm, where the robust chill gives way to the first hints of spring warmth.

January Weather in Nacka: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Nacka, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Nacka, January typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec333235404959636356484135
Data source: Temperature data for Nacka generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

January Precipitation in Nacka

January in Nacka, Sweden, sees a modest precipitation total of 43 mm (1.7 in), spread across about 10 days of the month. This sets a stage for a relatively wet winter, as January serves as a precursor to February's slight decrease in rainfall. As we transition into spring, March sees similar precipitation levels, while April enjoys a notable dip to 25 mm (1.0 in), indicating a gradual warming trend. The increased rainfall from May onwards suggests a shift towards the summer months, where August peaks at 68 mm (2.7 in), showcasing the region's characteristic dampness. Overall, the data highlights a clear seasonal pattern, with wetter conditions prevalent in late summer and fall, while early winter remains moderately moist, setting an interesting climate dynamic for residents and visitors alike.

January Precipitation Trends in Nacka

The chart displays monthly precipitation patterns in Nacka, with values for each month alongside January’s data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January’s conditions compare to those of other months. In Nacka, January typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec433844255044556852765170
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

January Humidity in Nacka

In January, Nacka, Sweden, experiences its peak humidity at a notable 90%, setting a damp tone for the winter month. This high moisture level begins to slightly decline in February to 88%, and remains relatively stable through March at 89%. As spring approaches, the humidity gradually decreases, reaching 85% in April and dipping further to 77% by May. The summer months bring even drier air, with June and July recording 76% and 74% humidity, respectively. Although humidity picks back up in late summer with August at 77%, the trend shifts as autumn sets in, climbing back to 85% in September and spiking again to 89% in October. As the year wraps up, the cycle returns to higher humidity levels, with November reaching 90% and December maintaining 87%, highlighting the consistent wetness that characterizes Nacka's climate, particularly in its winter and early autumn months.

January Average Humidity in Nacka

This chart illustrates the average monthly humidity levels in Nacka, with January’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In January, average humidity in Nacka is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%89%85%77%76%74%77%85%89%90%88%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Nacka

In Nacka, Sweden, January boasts a UV Index of 1, placing it in the low exposure category with a burn time of 45 minutes. This trend of low UV levels continues in February, where the index slightly increases to 2, still maintaining a safe burning limit. As the seasons transition towards spring, March ushers in a moderate increase, with the UV Index rising to 3 while reducing the burn time to 30 minutes. April and May follow suit, exhibiting moderate levels at 4 and 5, respectively, as the sun’s rays grow more intense. By the summer months of June and July, Nacka experiences a notable spike to 7, indicating a high exposure risk with a quick 25-minute burn time. As summer fades, August and September reflect a return to moderate levels, with indices of 5 and 4. Finally, October through December revert to low UV indices, similar to January, allowing for greater sun safety. This gradual seasonal progression showcases how UV exposure in Nacka fluctuates throughout the year, highlighting the importance of sun safety practices. For further details, check out the Nacka UV Index.

Maximum UV Index Levels in Nacka for January

The chart shows the monthly maximum UV Index (UVI) for Nacka in January, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues. In January, the maximum UV index in Nacka typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec123457754211
Data source: Nacka January UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

January Sunshine in Nacka

In Nacka, Sweden, the transformation of daylight throughout the year is striking. January begins with a modest 71 hours of sunshine, leaving the winter skies rather dim. However, as the months progress, the sun's presence grows more radiant; February sees a notable increase to 171 hours, heralding the approaching spring. By the time March arrives, sunshine nearly doubles to 261 hours, while April dazzles with a remarkable 366 hours, representing the climatic shift towards warmth and longer days. The peak of summer is beautifully captured in July, basking in 488 hours of sun, before gradually tapering off in August with 419 hours. As daylight diminishes into autumn, September still boasts a healthy 312 hours, but by November, the sunlight dwindles to just 138 hours. Ultimately, the cycle concludes in December with a mere 78 hours, underscoring the seasonal rhythms of light that define life in Nacka.

Monthly Sunshine Duration in Nacka: January Highlighted

The January sunshine duration represents the total number of hours Nacka experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec71h171h261h366h454h477h488h419h312h219h138h78h
Data source: Nacka January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Nacka During January

In Nacka, Sweden, the likelihood of sunny weather is quite limited in January, with only an 11% chance of sunshine. This trend becomes more favorable as the months progress; February sees a boost to 30%, and by March, the sunny days increase to 34%. The transition into spring brings even more hope, with April reaching 49% and May maintaining a solid 31%. By June and July, the sun shines most prominently with chances soaring to 55% and 57%, respectively. This upward trajectory highlights a clear pattern: as winter retreats and spring emerges, Nacka residents can anticipate a significantly brighter and sunnier outlook in the coming months.

Percentage of Sunny Days in January in Nacka

The chart illustrates the percentage of sunny days in Nacka throughout the year, with January highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Nacka experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec12%30%34%49%31%55%57%38%27%30%29%30%
Data source: Nacka January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Nacka in January

In Nacka, Sweden, January marks the year's darkest days, with only 6 hours of daylight casting a subdued light over the landscape. As the month progresses, a gradual shift towards increased sunlight begins, culminating in February's 9 hours. The transition continues into spring, with daylight reaching 11 hours in March and extending to 14 in April, signaling the arrival of longer days. May dazzles with 17 hours, and by June, daylight peaks at an impressive 18 hours—a celebration of the Nordic summer solstice. The trend then gently reverses, as July's long days begin to wane into 15 hours in August and taper further into autumn. September offers 12 hours, while October and November see a steady decline, returning to 6 hours by December, rounding out the cycle. This rhythmic ebb and flow of daylight not only shapes the local environment but also influences the mood and activities of Nacka's residents throughout the year.

Average Daylight Hours in Nacka for January

The chart illustrates the variation in daylight duration in Nacka throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec6h 59m9h 14m11h 52m14h 33m17h 1m18h 26m17h 40m15h 23m12h 46m10h 7m7h 38m6h 13m
Data source: Nacka daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Nacka

In January, the winds in Nacka, Sweden, begin the year with an average speed of 5.2 m/s (12 mph), setting a brisk tone for the winter. As the months progress, the wind speed gradually decreases, dipping slightly to 4.9 m/s (11 mph) by April, before reaching its calmest in June at 3.5 m/s (8 mph). This trend of reduced wind continues through the summer, with July experiencing a slight uptick to 3.9 m/s (9 mph), but still remaining on the gentler side. As autumn approaches, a notable shift occurs; wind speeds begin to rise again, peaking in October at 5.8 m/s (13 mph), highlighting a return to more robust winds. The year concludes in December with persistent winds, echoing the brisk start of January at 5.3 m/s (12 mph), demonstrating a dynamic interplay of seasonal shifts in Nacka's wind patterns.

Average January Wind Speed in Nacka

The chart displays monthly wind speed patterns in Nacka, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec5.2 m/s5.15.14.94.03.53.94.54.85.85.35.3
Data source: Nacka January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Nacka Compares to Other Months

Weather in Nacka varies notably across the year, with each month offering distinct climate conditions. This page compares January’s weather to other months in Nacka, focusing on differences in temperature, rainfall, humidity, and UV levels.

In January, the weather typically sees minimum temperatures around -15°C (6°F) and averages hovering at 0°C (33°F), with maximums reaching up to 9°C (49°F). Precipitation during this month averages 43 mm (1.7 in) over 10 days, accompanied by high humidity levels at 90%. In contrast, February's weather is slightly milder, with minimum temperatures around -12°C (11°F) and an average temperature also at 0°C (32°F). The maximum temperatures are comparable, capping at 9°C (48°F). February experiences a bit less precipitation at 38 mm (1.5 in) over 9 days and slightly lower humidity at 88%. For more details on February conditions, you can refer to Nacka weather in February.

In January, the weather is considerably colder, with temperatures ranging from a minimum of -15°C (6°F) to a maximum of 9°C (49°F) and an average of 0°C (33°F). The month sees an increased level of humidity at 90%, along with 43 mm (1.7 in) of precipitation spread over about 10 days.

In contrast, March experiences a gradual warming trend, with temperatures ranging from a low of -10°C (14°F) to a high of 14°C (57°F) and an average of 2°C (35°F). The humidity remains relatively similar at 89%, and the precipitation is comparable with 44 mm (1.7 in) over just 9 days. For more specific details on the weather during this month, you can visit Nacka weather in March.

January and April weather exhibit notable differences in temperature and precipitation patterns. In January, temperatures are significantly colder, with a minimum of -15°C (6°F) and an average of 0°C (33°F), while April sees a milder range with a minimum of -5°C (24°F) and an average of 5°C (40°F). April also boasts warmer maximum temperatures, reaching up to 17°C (62°F) compared to January's maximum of 9°C (49°F). Furthermore, January experiences more precipitation over more days, totaling 43 mm (1.7 in) over 10 days, while April has less with 25 mm (1.0 in) over just 7 days. Humidity remains relatively high in both months, with January at 90% and April slightly lower at 85%. For more details on April weather, you can check Nacka weather in April.

In January, the weather is quite cold, with temperatures ranging from a chilling minimum of -15°C (6°F) to a maximum of 9°C (49°F), and an average of around 0°C (33°F). The month sees significant precipitation, totaling 43 mm (1.7 in) over approximately 10 days, accompanied by high humidity levels averaging 90%. In contrast, May offers a much milder climate, with temperatures ranging from a minimum of -2°C (29°F) to a comfortable maximum of 21°C (69°F), and an average temperature of 9°C (49°F). Although May receives slightly more precipitation at 50 mm (2.0 in) over 9 days, the humidity drops to a more pleasant 77%. For more detailed information on the weather during this time, you can check Nacka weather in May.

In January, the weather is quite cold, with temperatures ranging from a chilling -15°C (6°F) to a maximum of 9°C (49°F) and an average temperature of around 0°C (33°F). The month experiences high humidity at 90% and sees precipitation on about 10 days, totaling 43 mm (1.7 in). In contrast, June welcomes warmer conditions, with temperatures varying from a minimum of 7°C (44°F) to a pleasant maximum of 23°C (75°F), averaging 15°C (60°F). Despite having nearly the same precipitation—44 mm (1.7 in)—June only experiences rain on about 7 days and boasts a lower humidity level of 76%. For more details on June weather in Nacka, you can visit Nacka weather in June.

In January, temperatures can plummet to a minimum of -15°C (6°F), with an average temperature hovering around 0°C (33°F) and a maximum of only 9°C (49°F). The month is characterized by high humidity at 90%, with 43 mm (1.7 in) of precipitation spread over 10 days. In stark contrast, July sees much milder conditions, with temperatures ranging from a minimum of 9°C (48°F) to a maximum of 26°C (80°F), averaging 17°C (64°F). Although July does have slightly more precipitation at 55 mm (2.1 in), it falls over just 9 days, and the humidity is notably lower at 74%. For more details about the July weather in this area, you can visit Nacka weather in July.

January and August present contrasting weather patterns. In January, temperatures can plummet to a minimum of -15°C (6°F), with an average of 0°C (33°F) and a maximum of 9°C (49°F). This month also experiences high humidity at 90% and receives about 43 mm (1.7 in) of precipitation over approximately 10 days. In contrast, August boasts a much milder climate, with temperatures ranging from a minimum of 8°C (47°F) to an average of 17°C (63°F) and peaking at 27°C (81°F). While August sees slightly more precipitation at 68 mm (2.7 in), it occurs over 12 days, and humidity is lower at 77%. For more details, you can check Nacka weather in August.

In January, the weather is quite frigid, with temperatures ranging from a minimum of -15°C (6°F) to a maximum of 9°C (49°F), leading to an average around the freezing point at 0°C (33°F). The month typically experiences significant humidity at 90% and receives about 43 mm (1.7 in) of precipitation spread over 10 days. In contrast, September brings a much milder climate, with temperatures varying from a minimum of 3°C (38°F) to a maximum of 22°C (72°F), averaging 13°C (56°F). Although September has slightly higher precipitation at 52 mm (2.0 in), the humidity decreases to 85%, creating a more comfortable atmosphere. For a detailed overview of September weather, you can check Nacka weather in September.

In January, the weather is notably colder, with minimum temperatures plunging to -15°C (6°F) and an average of 0°C (33°F), while maximums reach only 9°C (49°F). Precipitation during this month totals 43 mm (1.7 in) across about 10 days, accompanied by high humidity levels at 90%. In contrast, October experiences a milder climate, with minimum temperatures around 0°C (32°F) and an average of 9°C (48°F), rising to a maximum of 16°C (60°F). This month sees increased precipitation of 76 mm (3.0 in) spread over 13 days and a slightly lower humidity at 89%. For more details, check out Nacka weather in October.

January and November present quite different weather patterns. In January, temperatures can drop as low as -15°C (6°F), with an average of 0°C (33°F) and a high of 9°C (49°F). The month sees about 43 mm (1.7 in) of precipitation over approximately 10 days, maintaining a consistent humidity level of 90%. In contrast, November offers milder conditions, with minimum temperatures around -7°C (20°F) and an average of 5°C (41°F). The maximum temperature can reach 14°C (57°F), accompanied by slightly higher precipitation levels at 50 mm (2.0 in) over 11 days, while also maintaining the same humidity of 90%. For more detailed insights, you can explore Nacka weather in November.

In December, the weather in Nacka is generally milder than in January, with average temperatures ranging from a minimum of -10°C (14°F) to a maximum of 8°C (47°F), compared to January's colder averages of -15°C (6°F) minimum and 9°C (49°F) maximum. December also experiences higher precipitation, totaling 70 mm (2.8 in) over approximately 15 days, whereas January sees about 43 mm (1.7 in) spread over 10 days. Additionally, humidity is slightly lower in December at around 87%, compared to January's 90%. For more detailed insights on December weather, you can visit Nacka weather in December.

Compare Nacka's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Nacka

January in Nacka showcases a notable chill compared to other months, plunging temperatures down to a brisk average of 0°C, which is a stark contrast from the milder spring and summer seasons. While the maximum can reach a respectable 9°C, it’s the frequent dips to -15°C that remind residents of winter's grasp. Additionally, with 43 mm of precipitation over about 10 days, the month stands out as one of the wetter periods, contributing to the high humidity often nearing 90%. If you're curious about Nacka's climate throughout the year, be sure to explore Nacka Climate for a comprehensive overview.