Last updated: February 24, 2025
In January, Duluth, United States experiences a stark winter landscape characterized by an average temperature of -10°C (15°F). The month reaches a maximum of 5°C (41°F), providing brief respites from the cold, while plunging to a chilling minimum of -31°C (-24°F). With a total precipitation of 25 mm (1.0 in) over 6 days, snow and ice contribute to the city's wintry charm. High humidity levels at 93% amplify the frigid atmosphere, making January a true representation of Minnesota's winter season.
In Duluth, United States, January brings the deepest chill of winter, with temperatures plunging to a staggering minimum of -31°C (-24°F). The average temperature hovers around -10°C (15°F), offering a stark reminder of the season's grip. However, as the month progresses, a slight relief is noticed, with daytime highs reaching up to 5°C (41°F). This pattern of bone-chilling lows and modest highs sets the stage for February's frigid continuation, where temperatures dip even further, showcasing a gradual transition before the thaw of spring begins to emerge in March. Interestingly, while January is characterized by its harsh cold, the steady climb in afternoon temperatures post-January hints at an approaching respite, paving the way toward the warmer months ahead.
In Duluth, January typically sees a modest precipitation total of 25 mm (1.0 in), falling over an average of just 6 days. This sets the stage for a winter that gradually intensifies, as February ushers in slightly higher precipitation, reaching 33 mm (1.3 in). As the months progress, a noticeable trend emerges; both the amount and frequency of precipitation steadily increase, culminating in the rainiest months of September and October with 119 mm (4.7 in) and 153 mm (6.0 in) respectively. This pattern underscores Duluth's transition from the icy grip of winter to the more temperate and, at times, soggy days of late summer and early fall. With precipitation days peaking in the fall, it's clear that Duluth's climate offers a dynamic range of weather experiences, from snowy beginnings to the wettest months of the year.
In Duluth, United States, January brings a notable 93% humidity, marking the beginning of the year with a high moisture content that lingers through February. This consistent humidity creates a chilly atmosphere, particularly as temperatures drop during the winter months. As spring approaches, humidity levels gradually decline, with March at 89% and April further decreasing to 85%. By the time May arrives, the air becomes noticeably less damp, settling at 76%, and continuing to decrease through the summer months, reaching a low of 70% in July. However, as fall sets in, humidity levels begin to tick upward again, hinting at the cyclical nature of Duluth's climate—ending the year with December's 91%, reminding residents of the impending winter. Overall, Duluth experiences a shift from high humidity in winter to much drier conditions in late spring and summer, before the moisture returns in the cooler months.
In January, Duluth experiences a low UV Index of 2, which translates to a 45-minute burn time for unprotected skin. This low exposure category marks the start of a gradual increase in UV radiation as the year progresses. By February, the UV Index rises to 3, indicating a moderate level of exposure and reducing the burn time to 30 minutes. The trend continues through March, maintaining a UV Index of 4 with similar moderate exposure. However, as spring transitions into summer, the UV Index begins to spike significantly, reaching high to very high levels from April onward. This shift highlights the importance of sun protection, especially as the burn time drops to just 15 minutes during the peak months of May to July. As the year winds down, the UV Index tapers off again, with lower exposure levels returning in December. For a detailed analysis of the UV Index throughout the year, visit Duluth UV Index.
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In Duluth, United States, January typically ushers in a quieter chapter of sunshine, with 122 hours of daylight kissing the snowy landscape. As the year progresses, there is a noticeable upswing in solar exuberance; February brings 194 hours, setting the stage for a vibrant March with 239 hours. This trend continues into April, echoing the same amount of sunlight, and seamlessly transitions into May with a significant increase to 297 hours. The height of summer shines through in June and July, where residents bask in an impressive 349 and 355 hours respectively. As the days begin to shorten, August still offers a generous 308 hours, while September sees a gradual decline to 248 hours. The months that follow, October and November, retain a charming glow with 188 and 156 hours of sunshine, respectively, while December wraps up the year with 143 hours. Overall, the year in Duluth showcases a dynamic rhythm of sunlight, peaking beautifully in the summer, and gently tapering as winter approaches, capturing the essence of each season beautifully.
In Duluth, Minnesota, January brings a brisk chill along with a modest 29% chance of sunny weather. This percentage stands in stark contrast to the sunnier months ahead, such as July, where the likelihood of sunshine peaks at 63%. As winter fades into spring, February and March offer a gradual increase, with chances rising to 42% and 43%, respectively, hinting at the welcome return of sunlight. Interestingly, April shows a slight dip back to 31%, before the sunny days of late spring and summer take over. Overall, while January might be one of the cloudier months, the ascending trend as the year progresses promises brighter days ahead for Duluthians.
In Duluth, United States, the shift in daylight duration throughout the year presents a captivating seasonal rhythm. In January, residents experience just 9 hours of daylight, which gradually increases as winter wanes. By February, this rises to 10 hours, signaling the slow approach of spring. As the days continue to lengthen, March offers 11 hours, while April brings a notable jump to 13 hours of sunlight, fostering a sense of rejuvenation and anticipation. May shines brightly with 15 hours, marking the peak of spring before the days plateau during the summer months of June and July. As we transition into late summer, the daylight begins to wane, dropping to 14 hours in August, then tapering off to 12 hours in September. The descent continues through fall, with 10 hours in October and returning to 9 hours in November, before culminating in the shortest days of December at just 8 hours. This natural ebb and flow of light not only defines the seasons but also shapes the activities and moods of Duluth's inhabitants throughout the year.
In Duluth, the January wind sets a brisk tone for the year with an average speed of 4.2 m/s (9 mph), slightly less than the winds of February and March, which see increases to 4.7 m/s (10 mph) and 5.0 m/s (11 mph), respectively. This early winter breeze is contrasted by a noticeable dip in April to 3.9 m/s (9 mph), marking a gentle transition as spring approaches. Following this, the winds oscillate around 4.0 m/s (9 mph) through May and June, before gently tapering to their lowest point in July at 3.3 m/s (7 mph). However, as summer wanes, the winds pick up again in August and September, stirring to an average of 4.3 m/s (10 mph). This trend of increasing wind speed culminates in November at 5.6 m/s (13 mph), showcasing the strength of late autumn gales as winter looms. December remains blustery, averaging 5.5 m/s (12 mph), creating a dynamic winter wind cycle that keeps Duluth's air invigorating and fresh.
The weather in Duluth changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Duluth and find detailed weather information for every month.
January and February temperatures are quite similar, both averaging around -10°C (15°F), but February tends to experience slightly warmer maximum temperatures, reaching up to 8°C (47°F) compared to January's 5°C (41°F). However, January has a marginally milder minimum temperature, with lows of -31°C (-24°F) compared to February's -32°C (-25°F). Precipitation increases in February, with about 33 mm (1.3 in) over 7 days, making it wetter than January's 25 mm (1.0 in) over 6 days. Despite the differences, both months maintain a high humidity of 93%, contributing to the overall cold feel. For more specific details on February's weather, check out Duluth weather in February.
In January, temperatures can plummet as low as -31°C (-24°F), with an average of -10°C (15°F) and a maximum of just 5°C (41°F). The cold air is accompanied by high humidity levels at 93% and modest precipitation totaling 25 mm (1.0 in) over about six days. By March, the weather begins to transition, with minimum temperatures of -22°C (-8°F) and an average of -3°C (28°F), while the maximum can reach 10°C (51°F). Despite being milder, March sees increased precipitation, totaling 53 mm (2.1 in) across the same number of days, and slightly lower humidity at 89%. For more details on what to expect during this transition month, check out Duluth weather in March.
The weather in Duluth varies significantly between January and April. In January, temperatures can plunge to a minimum of -31°C (-24°F), with an average of -10°C (15°F) and a maximum of only 5°C (41°F). The month experiences 25 mm of precipitation over about 6 days, coupled with high humidity at 93%. In contrast, April sees a notable shift as the minimum temperature rises to -13°C (9°F), with an average of 2°C (35°F) and a maximum reaching a pleasant 18°C (65°F). Precipitation in April increases to 74 mm (2.9 in) over 10 days, though humidity remains relatively high at 85%. For more detailed insights into conditions during this time, visit Duluth weather in April.
In January, temperatures plummet to a minimum of -31°C (-24°F) and hover around an average of -10°C (15°F), peaking only at 5°C (41°F), while May brings a significant warm-up with minimums of -1°C (30°F) and average temperatures of 8°C (47°F), reaching up to 26°C (79°F). January also sees higher humidity levels at 93%, while May's humidity drops to 76%. Additionally, January experiences a modest 25 mm (1.0 in) of precipitation over about 6 days, compared to May's wetter conditions with 94 mm (3.7 in) of precipitation across 11 days. For a more detailed look at the weather in Duluth, you can visit Duluth weather in May.
In January, Duluth experiences a harsh winter climate, with average temperatures hovering around -10°C (15°F) and plunging as low as -31°C (-24°F), accompanied by high humidity levels of 93%. Precipitation occurs on about six days, accumulating to 25 mm (1.0 in), contributing to the cold and often snowy conditions. Conversely, by June, the weather transforms dramatically, featuring much milder temperatures that range from a minimum of 5°C (42°F) to a maximum of 28°C (82°F), with an average of 15°C (59°F). Although June sees increased precipitation, totaling 76 mm (3.0 in) over approximately nine days, the relative humidity drops to 71%, creating a more comfortable and pleasant atmosphere. For more detailed information, check Duluth weather in June.
January and July present starkly contrasting weather patterns. In January, the temperatures can plummet to a minimum of -31°C (-24°F), with an average around -10°C (15°F) and a maximum of only 5°C (41°F). The month is characterized by high humidity at 93% and relatively low precipitation, totaling 25 mm (1.0 in) over 6 days. In contrast, July offers a much more pleasant climate, with minimum temperatures at 11°C (53°F), averaging 19°C (66°F) and peaking at 27°C (82°F). The summer month sees increased rainfall, accumulating 95 mm (3.8 in) across 8 days, while humidity drops to a more comfortable 70%. For a closer look at July's weather specifics, check out Duluth weather in July.
January and August present stark contrasts in weather conditions. In January, temperatures plunge to a frigid minimum of -31°C (-24°F), with an average of -10°C (15°F) and a maximum of 5°C (41°F). The month experiences relatively low precipitation, totaling 25 mm (1.0 in) over 6 days, and a high humidity level of 93%, creating a bone-chilling atmosphere. In comparison, August offers a much warmer experience with minimum temperatures around 13°C (55°F) and an average of 19°C (67°F), peaking at 27°C (82°F). The summer month also sees increased rainfall, amassing 109 mm (4.3 in) over 11 days, along with a more comfortable humidity level of 71%. For further details on August weather, you can check Duluth weather in August.
January and September present stark contrasts in weather. In January, temperatures plummet with a minimum of -31°C (-24°F) and an average of -10°C (15°F), while the maximum reaches only 5°C (41°F). Precipitation is relatively low at 25 mm (1.0 in) over just 6 days, but the humidity is notably high at 93%, contributing to the biting cold. In contrast, September offers a much milder experience with minimum temperatures of 4°C (39°F) and an average of 16°C (62°F), peaking at a warm 26°C (80°F). Rainfall is more significant, totaling 119 mm (4.7 in) across 12 days, but the humidity is lower at 73%, making the warmer days feel more pleasant. For a more detailed overview of September weather in the area, check Duluth weather in September.
In January, the weather is harshly cold, with temperatures ranging from a frigid -31°C (-24°F) to a maximum of just 5°C (41°F) and an average of -10°C (15°F). The humidity is high at 93%, and the month sees about 25 mm (1.0 in) of precipitation over 6 days. In contrast, October offers a much milder climate, with temperatures dipping to a minimum of -5°C (24°F) and reaching up to 22°C (71°F), culminating in an average of 9°C (48°F). October experiences significantly more precipitation, totaling 153 mm (6.0 in) over 13 days, with a lower humidity of 81%. For more specifics on October weather, check out Duluth weather in October.
January weather is characterized by much colder temperatures, with minimums plummeting to -31°C (-24°F) and an average of -10°C (15°F), while November sees relatively milder conditions, with minimums around -12°C (11°F) and an average of 1°C (34°F). In addition to the heat, November experiences more precipitation, totaling 52 mm (2.0 in) across about 10 days, compared to January's 25 mm (1.0 in) over just 6 days. Humidity levels also differ slightly, with January holding a high humidity of 93%, while November's humidity is slightly lower at 87%. For more detailed insights into November weather, visit Duluth weather in November.
In January, the weather typically presents colder conditions compared to December, with minimum temperatures plunging to -31°C (-24°F) and an average of -10°C (15°F). In contrast, December features slightly milder temperatures, with a minimum of -26°C (-15°F) and an average of -5°C (23°F). Precipitation is also markedly different, as January experiences 25 mm (1.0 in) over just 6 days, while December sees considerably more with 67 mm (2.6 in) over 10 days. Humidity levels remain high in both months, hitting 93% in January and 91% in December. For more details on December weather, you can visit Duluth weather in December.
January in Duluth stands out as the coldest month of the year, characterized by a biting chill that often makes outdoor activities a brisk challenge. With temperatures that can plunge dramatically, it not only brings the lowest averages but also a unique beauty, enveloping the city in sparkling frost and snow. The high humidity levels, hovering around 93%, add to the winter's bite, while the modest precipitation spread over a handful of days contributes to the wintry landscape. This month contrasts sharply with the mildness experienced in other seasons, transforming Duluth into a winter wonderland. For a deeper understanding of the city's climate throughout the year, visit Duluth Climate.