Day
-5 °C
Night
-15 °C
Sea
2 °C
Precipitation
22 mm
in month
Rainy days
7 days
in month
Daylight
9 hours
average
Sunshine
4 hours
average
Humidity
72 %
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.
Duluth, MN, known for its chilling winters and pleasant summers, showcases diverse weather patterns. Travelers can experience daytime temperatures fluctuating from a brisk -5 °C (22 °F) in January to a warm 25 °C (76 °F) in August. Frequent mention of rain and snow characterizes the city's rich tapestry of precipitation, with monthly averages ranging from 22 mm (0.86 in) in January to over 100 mm (3.94 in) in June. As you engage with Duluth’s outdoor activities, anticipate shifts in wind speed, humidity, and sunshine hours that could influence your daily plans. And while temperatures are a focal point, the diverse weather lays a canvas for vibrant seasons, offering something unique at every turn.
January blankets Duluth in snow, with average daytime highs of -5 °C (22 °F). The night can be bone-chilling, averaging -15 °C (4 °F), while snowflakes dance to the tune of moderate winds at 3 m/s. Days with precipitation are approximately 7, adding depth to wintertime's character.
February in Duluth remains cold with daytime highs slowly climbing to -3 °C (26 °F). Nights stay frosty at -14 °C (7 °F). Light snowfall is common, giving way to mountains of snow. Wind continues at a speed of 3 m/s, while the sun tries to claim more of the sky with 5 hours a day.
March sees the ice beginning to thaw as Duluth warms to 3 °C (37 °F) during the day, but nights retain the winter's bite at -7 °C (19 °F). Moderate winds blow at 3 m/s and the city welcomes 7 of wet weather, a mix of rain and lingering snow.
April in Duluth brings a shift, teasing with daytime temperatures averaging 10 °C (51 °F), while nights remain cool at 0 °C (32 °F). April showers are quite literal, with around 9 bringing rain, contributing to a verdant spring landscape.
May delivers a breath of fresh air to Duluth as blooms flourish under 17 °C (63 °F) highs. Nights comparatively milder at 6 °C (43 °F). May typically sees around 11 of rain, refreshing the greenery and filling local rivers.
As summer unfolds, June's high temperatures peak at 23 °C (73 °F), offering warm embraces throughout the day, although nights can dip to 12 °C (53 °F). Expect considerable rainfall over 13, nurturing the lush environment while possibly interrupting outdoor plans.
July, the pinnacle of Duluth's summer, boasts inviting temperatures of 24 °C (75 °F) during the day, but is no stranger to precipitation with an average of 12 of rainfall, stirring the essence of a humid summer.
August clings to summer's warmth with highs of 25 °C (76 °F), compelling beachgoers and outdoor enthusiasts alike. Evenings become cooler, signaling the approach of autumn. Rainfall persists with about 11 of wet weather, emphasizing the inherent wetness of Duluth's summer.
September's embrace begins to cool as Duluth prepares for autumn. Daytime temps start to drop towards 20 °C (68 °F), while nights can get down to 10 °C (50 °F). Around 11 of rain bring transition, making this month a season of change.
October's cooler winds greet Duluth with an average of 12 °C (54 °F) during the day, while night falls to chillier 3 °C (38 °F). Expect rain and possibly early snow over 10, paving the way for the city's renowned winters.
November ushers in the chill with daytime temperatures averaging 4 °C (39 °F), and dropping significantly to -3 °C (26 °F) at night. Precipitation events across 8 signal the encroaching winter.
Duluth’s December is synonymous with cozy fireplaces as the outside world frosts over, averaging daytime temps of just -3 °C (26 °F). Nights are icy with an average of -11 °C (11 °F). Snowflakes swirl in the air about 8, completing the picturesque winter scene.
In January, bundle up in your warmest parka, insulated boots, and layers – think thermal wear and woolen sweaters. Don't forget the hat, gloves, and scarf to brave the frigid -5 °C (22 °F) days and even colder nights.
Outdoor seekers rejoice as the daylight stretches to about 5 hours, allowing for picturesque winter hikes and ski outings. February's sun may not be intense, but it still offers opportunities to bask in a bit of light amidst the cold.
As the grip of winter slowly loosens, signs of spring arrive in Duluth with daytime temperatures reaching 3 °C (37 °F), hinting at the onset of thawing ice and budding flowers amidst an expected 7 of rain and snow.
April's budding warmth with highs at 10 °C (51 °F) makes it the perfect time to witness Duluth's transformation as flora begin to color the previously winter-white scenery.
Alfresco dining is back on the menu as May’s daytime highs of 17 °C (63 °F) inspire picnics in the park and soothing lunches on sunlit patios, against a backdrop of budding nature.
June, with its 23 °C (73 °F) daytime highs, brings a lively vibe to Duluth, perfect for beachside relaxation, exploring parks, and participating in local festivals, as residents and visitors alike savor the onset of summer.
Not at all! July’s pleasant 24 °C (75 °F) average daytime highs are perfect for all outdoor pursuits, from cycling the Munger Trail to sailing on Lake Superior, with enough warmth to enjoy without overwhelming heat.
Certainly! With peak daytime temperatures at 25 °C (76 °F), August invites locals and visitors to Duluth's shores for swimming, kayaking, and enjoying the views of Lake Superior’s vast expanse.
As September rolls in, the gradual descent in temperatures to an average high of 20 °C (68 °F) allows for the start of a vivid leaf-peeping season, offering breathtaking views of Duluth's ranges swathed in autumn hues.
Outdoor festivities in October can be a true delight with Duluth's moderate 12 °C (54 °F) highs, laying the stage for harvest celebrations and the last of open-air markets amidst an autumnal chill.
Indeed, November in Duluth is when residents insulate their homes and wardrobes, suffixing a near-imperative to gear up for the incoming frosty season with rare warm days becoming a fleeting memory.
With the festive season, Duluth transforms into a wintry wonderland, bedecked in lights and decorations as the community comes together to celebrate amidst the crisp air averaging -3 °C (26 °F).
We make the most from 40 years of historical weather data to predict the best weather conditions.
Deciding on where to go for a holiday is hard sometimes. Get inspired by the most popular destinations.
We aggregate data from combining multiple weather sources to ensure accuracy of the highest order.