March Weather in Duluth, United States

Last updated: February 24, 2025

March in Duluth, United States, ushers in a transition as winter gradually yields to spring. The maximum temperature reaches a brisk 10°C (51°F), while the average dips to a cool -3°C (28°F), hinting at the lingering chill. Overnight lows can plunge to a frigid -22°C (-8°F), reminding residents of winter’s steadfast presence. With precipitation amounting to 53 mm (2.1 in) over six days, the month brings occasional snowfall and rain, contributing to a notably high humidity level of 89%. As nature stirs from its slumber, March in Duluth exemplifies the beauty of seasonal change, blending the starkness of winter with the promise of spring.

March Temperature in Duluth

In Duluth, United States, March serves as a captivating transition from the depths of winter to the brink of spring. With temperatures starting to rise, the month showcases a minimum of -22°C (-8°F), an average of -3°C (28°F), and a pleasant maximum of 10°C (51°F). This significant increase from February's chilly lows heralds the end of bitter cold, offering a hint of warmth and longer days ahead. As the landscape begins to thaw, residents and visitors alike can look forward to the gradual emergence of greenery, making March not just a month of fluctuating temperatures but a herald of brighter days coming to Duluth.

March Weather in Duluth: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Duluth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec141427354758666762483323
Data source: Temperature data for Duluth generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in Duluth

In March, Duluth experiences a notable shift in precipitation patterns, receiving 53 mm (2.1 in) of rain over 6 days. This marks a significant increase from January and February, reflecting the transition into spring when moisture levels begin to rise. As the winter chill recedes, the precipitation not only revitalizes the landscape but also sets the stage for the wetter months ahead. With each passing month, precipitation continues to climb, culminating in the peak of summer and early fall, where August and September showcase the highest amounts, illustrating a clear trend of increasing rainfall as the seasons progress. This gradual buildup suggests a dynamic climate, bringing both renewal and challenges to the region as it prepares for the warmer months.

March Precipitation Trends in Duluth

The chart displays monthly precipitation patterns in Duluth, with values for each month alongside March's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec253453749476961091191535267
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Duluth

In Duluth, the trend in humidity levels shows a gradual decrease as spring approaches. March typically experiences a drop to 89%, down from a consistent 93% in the preceding months of January and February. This shift marks the beginning of a more comfortable humidity range, as April sees further decline to 85%. The transitional period from winter to spring is notable, as residents can expect slightly drier air leading into warmer months. By May, humidity levels continue to lower, reaching 76%, paving the way for the warmer and less humid days of summer that follow.

March Average Humidity in Duluth

This chart illustrates the average monthly humidity levels in Duluth, with March's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how March's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec93%93%89%85%76%71%70%71%73%82%88%91%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Duluth

March marks an intriguing shift in the UV Index for Duluth, transitioning to a moderate level of 4, compared to 3 in February. This increase signals a notable rise in sun exposure, resulting in a burn time of just 30 minutes. As winter wanes and spring approaches, residents and visitors alike should be mindful of the intensifying sunlight, particularly with April bringing an even higher UV Index of 7. This upward trend highlights the importance of sun protection as the season progresses. For a detailed outlook on UV levels throughout the year, check out Duluth UV Index.

Maximum UV Index Levels in Duluth for March

The chart shows the monthly maximum UV Index (UVI) for Duluth in March, 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.
JanFebMarAprMayJunJulAugSepOctNovDec234789987532
Data source: Duluth March 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.

March Sunshine in Duluth

As winter gradually recedes, March emerges as a beacon of hope in Duluth with a delightful increase in sunshine, totaling 239 hours—a noteworthy rise from the 194 hours in February. This upward trend not only signals the end of the cold season but also sets the stage for a vibrant spring, as daylight hours remain consistent with April's sunshine. The gradual expansion of daylight continues to invigorate the community, paving the way for a lively outdoor season. Comparing March's luminous hours to the depths of winter showcases the invigorating transition into longer days and brighter skies, setting a promising tone for the months ahead.

Monthly Sunshine Duration in Duluth: March Highlighted

The March sunshine duration represents the total number of hours Duluth experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec122h194h239h239h297h349h355h308h248h188h156h143h
Data source: Duluth March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Duluth During March

In Duluth, the likelihood of sunny weather begins to show a promising upward trend as winter gives way to spring. With March boasting a 43% chance of sunshine, it slightly surpasses February's 42%, indicating a welcome transition towards brighter days. While the likelihood dips again in April to 31%, the momentum swiftly picks up heading into May, climbing to 47% and peaking in the summer months. This upward trajectory highlights March as a pivotal month, gradually easing the long winter gloom and signaling the approach of sunnier seasons ahead.

Percentage of Sunny Days in March in Duluth

The chart illustrates the percentage of sunny days in Duluth throughout the year, with March 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 Duluth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec29%42%43%31%47%52%63%58%52%30%36%21%
Data source: Duluth March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Duluth in March

As March unfolds in Duluth, daylight begins to extend its reach, providing residents with approximately 11 hours of light—a significant increase compared to the 10 hours seen in February. This upward trend heralds the transition into spring, as the days grow longer, inviting the community outdoors to embrace the changing season. By April, daylight leaps to 13 hours, and by May, it stretches to an impressive 15 hours, revealing a consistent pattern of increasing brightness that continues through summer. March, therefore, serves as a pivotal month, signaling not just the end of winter's grasp, but also the gradual awakening of longer, sun-soaked days ahead.

Average Daylight Hours in Duluth for March

The chart illustrates the variation in daylight duration in Duluth throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h10h 19m11h 57m13h 37m15h 3m15h 47m15h 23m14h 6m12h 29m10h 49m9h 21m8h 35m
Data source: Duluth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Duluth

As winter gives way to spring, March in Duluth ushers in a noticeable uptick in wind speed, averaging 5.0 m/s (11 mph), making it the windiest month of the early year. This increase is a marked contrast to the calmer breeze of January and February, which hover around 4.2 m/s (9 mph) and 4.7 m/s (10 mph) respectively. Despite April’s dip back to 3.9 m/s (9 mph), the blustery winds of March herald the changing seasons, invigorating the atmosphere and signaling a vibrant transition ahead. Interestingly, the wind speeds tend to fluctuate as the year progresses but generally hover around similar averages, with November recording the highest gusts at 5.6 m/s (13 mph) as winter prepares to descend once more. Overall, March stands out as a pivotal month where wind speed reflects the seasonal shift and dynamism of Duluth's weather.

Average March Wind Speed in Duluth

The chart displays monthly wind speed patterns in Duluth, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.75.0 m/s3.94.03.53.34.34.44.35.65.5
Data source: Duluth March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Duluth Compares to Other Months

The weather in Duluth changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of March'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.

March weather shows a noticeable improvement compared to January, with average temperatures rising from a chilly -10°C (15°F) in January to a more bearable -3°C (28°F) in March. The minimum temperature in March is -22°C (-8°F), while January's can dip to a frigid -31°C (-24°F). Additionally, March experiences more precipitation, with 53 mm (2.1 in) over six days, compared to January's 25 mm (1.0 in) over the same number of days. Humidity remains high in both months, but March's 89% is slightly lower than January's 93%, making it feel somewhat less oppressive. For a closer look at January's conditions, check out Duluth weather in January.

In comparison to February, March in Duluth experiences a notable increase in temperature, with average lows of -22°C (-8°F) and highs reaching up to 10°C (51°F) compared to February's minimum of -32°C (-25°F) and maximum of 8°C (47°F). While February is characterized by its colder temperatures and lower total precipitation of 33 mm (1.3 in) over 7 days, March sees increased precipitation at 53 mm (2.1 in) over 6 days, indicating a shift towards more moisture as the season transitions. Additionally, humidity levels are slightly lower in March at 89% compared to February's 93%, contributing to a feeling of a milder climate overall. For a more detailed look at February weather, visit Duluth weather in February.

March and April present a notable transition in weather patterns. In March, temperatures range from a minimum of -22°C (-8°F) to a maximum of 10°C (51°F), with an average temperature of -3°C (28°F). The month experiences a total precipitation of 53 mm (2.1 in) over about 6 days, with humidity levels remaining high at 89%. In contrast, April brings a milder climate with minimum temperatures of -13°C (9°F) and a maximum of 18°C (65°F), leading to an average of 2°C (35°F). This month sees increased precipitation of 74 mm (2.9 in) spread over 10 days, while humidity slightly decreases to 85%. For more details, you can check out Duluth weather in April.

In March, the weather in Duluth is characterized by chilly temperatures, with averages hovering around -3°C (28°F) and a maximum of only 10°C (51°F). Precipitation occurs on about 6 days, totaling 53 mm (2.1 in), while humidity levels remain high at 89%. In contrast, May sees a significant warming trend, with temperatures ranging from a minimum of -1°C (30°F) to a pleasant maximum of 26°C (79°F) and an average of 8°C (47°F). While precipitation increases to 94 mm (3.7 in) over approximately 11 days, humidity drops to 76%, creating a more comfortable atmosphere for outdoor activities. For more detailed insights, check out Duluth weather in May.

In March, temperatures in Duluth are quite frigid, with a minimum of -22°C (-8°F) and an average of -3°C (28°F), occasionally reaching a maximum of 10°C (51°F). The month experiences a moderate level of precipitation at 53 mm (2.1 in) over about 6 days, contributing to a high humidity level of 89%. In contrast, June ushers in much milder weather, with temperatures ranging from a minimum of 5°C (42°F) to an average of 15°C (59°F) and highs reaching a warm 28°C (82°F). This month sees increased rainfall totaling 76 mm (3.0 in), spread across about 9 days, but the humidity drops to a more comfortable 71%. For more detailed information, check out Duluth weather in June.

March and July in Duluth present contrasting weather patterns that highlight the transition from winter to summer. In March, temperatures can plummet to a minimum of -22°C (-8°F) with an average of -3°C (28°F) and occasionally reaching a maximum of 10°C (51°F). The month sees significant precipitation of 53 mm (2.1 in) spread over six days, accompanied by high humidity at 89%. In contrast, July offers a much milder climate with minimum temperatures around 11°C (53°F) and an average of 19°C (66°F), peaking at 27°C (82°F). Although July experiences slightly more precipitation at 95 mm (3.8 in) across eight days, the humidity is lower at 70%. For a closer look at Duluth's weather in July, check out this link: Duluth weather in July.

March and August present starkly contrasting weather conditions. In March, temperatures can plunge to a minimum of -22°C (-8°F), with an average of -3°C (28°F) and highs reaching only 10°C (51°F). The month is characterized by high humidity at 89% and receives about 53 mm (2.1 in) of precipitation over six days. In contrast, August enjoys a much milder climate, with minimum temperatures around 13°C (55°F) and average highs of 27°C (82°F). It experiences more rainfall totaling 109 mm (4.3 in) across 11 days, but with lower humidity at 71%. For a closer look at Duluth's August weather, you can visit Duluth weather in August.

March and September exhibit stark contrasts in weather conditions. In March, temperatures can plummet as low as -22°C (-8°F), with an average of -3°C (28°F) and a mild maximum of 10°C (51°F). The month tends to be quite humid with an average humidity of 89% and around 53 mm (2.1 inches) of precipitation over six days. In contrast, September offers a much warmer climate, with minimum temperatures starting at 4°C (39°F) and reaching an average of 16°C (62°F) and a maximum of 26°C (80°F). This month also sees increased precipitation, totaling 119 mm (4.7 in) over approximately 12 days, but with a significantly lower humidity level at 73%. For a detailed look at what to expect, check out Duluth weather in September.

March and October present stark contrasts in weather patterns. In March, temperatures range from a chilly -22°C (-8°F) to a mild 10°C (51°F), with an average of -3°C (28°F), while October enjoys a much warmer spectrum, with temperatures varying from -5°C (24°F) to a pleasant 22°C (71°F) and an average of 9°C (48°F). Additionally, March sees about 53 mm (2.1 in) of precipitation over approximately 6 days, compared to the much wetter October, which experiences 153 mm (6.0 in) of rainfall across 13 days. Despite this, October's lower humidity at 81% compared to March's 89% lends a different feel to the air. For a closer look at October weather specifics, check out Duluth weather in October.

March and November present contrasting yet similar weather patterns in terms of temperature and precipitation. In March, temperatures can plunge to a minimum of -22°C (-8°F) and average around -3°C (28°F), peaking at 10°C (51°F), while November sees milder temperatures ranging from a minimum of -12°C (11°F) to a maximum of 17°C (63°F), with an average of 1°C (34°F). Both months experience similar levels of precipitation, with March receiving 53 mm (2.1 in) over approximately 6 days and November slightly less at 52 mm (2.0 in) but spread over 10 days. Humidity levels are quite high in both months, with March at 89% and November at 87%. For more detailed insights, you can check Duluth weather in November.

In March, Duluth experiences a gradual warming as winter begins to wane, with average temperatures ranging from a minimum of -22°C (-8°F) to a maximum of 10°C (51°F). The month sees about 53 mm (2.1 in) of precipitation over approximately 6 days, with humidity levels at a relatively high 89%. In contrast, December is colder, with temperatures dropping to a low of -26°C (-15°F) and peaking at 9°C (48°F) on average. Precipitation is higher in December, totaling 67 mm (2.6 in) across roughly 10 days, and the humidity is slightly more pronounced at 91%. For more detailed information on the winter climate, check out Duluth weather in December.

Compare Duluth's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Duluth

As winter gives way to spring, March in Duluth presents a dramatic shift in weather compared to the frigid depths of winter months. With temperatures transitioning from biting cold to milder days, residents experience a blend of unseasonably warm spells and lingering chill, characterized by a substantial average temperature rise. This month often brings increased precipitation, though it’s spread over just a handful of days, contributing to a unique mix of wet and snowy conditions. Despite the transition, the humidity remains notably high, creating a crisp, invigorating atmosphere that signals the approach of spring. For more insights into the changing seasons, visit Duluth Climate.