Last updated: February 24, 2025
July in Duluth, United States boasts warm and inviting weather, with maximum temperatures reaching up to 27°C (82°F). The month's average temperature settles comfortably at 19°C (66°F), while the minimum dips to a refreshing 11°C (53°F). Despite the warmth, residents and visitors should be prepared for some occasional rain, as precipitation amounts to 95 mm (3.8 in) over 8 days. With humidity levels at a moderate 70%, July presents a delightful mix of sunshine and summer showers, perfect for exploring the beautiful landscapes of Duluth.
In July, Duluth enjoys a delightful summer warmth, with temperatures showing a marked contrast to the frigid winters. The month opens with a minimum temperature of around 11°C (53°F), rising to an average of 19°C (66°F). This warmth peaks at a comfortable 27°C (82°F), making it an ideal time for outdoor adventures and lakeside activities. Compared to the biting cold of January or February, which see lows plunging as low as -32°C (-25°F), July's mild temperatures invite residents and visitors alike to embrace the season. As summer progresses, Duluth showcases a beautiful tapestry of warm sunny days, setting the scene for memorable experiences under the sun.
In July, Duluth experiences a significant surge in precipitation, with an average of 95 mm (3.8 in). This peak rainfall aligns with the trend of increasing moisture as summer progresses, following June's 76 mm (3.0 in). Notably, July sees precipitation on about 8 days, making it one of the wetter months of the year. The consistent rise in rainfall from May through July sets the stage for the even higher figures that August brings, where totals climb to 109 mm (4.3 in). This pattern indicates that while July is characterized by both warmth and rainfall, it also serves as a precursor to the more humid conditions of late summer, painting a vivid picture of Duluth's vibrant climate.
In Duluth, United States, July marks a subtle dip in humidity levels, averaging around 70%, which is slightly lower than the preceding month of June at 71%. This trend reflects a gradual decrease from the winter months, where humidity is notably high, peaking at 93% in January and February. As spring transitions into summer, humidity starts to decline, dropping to 76% in May before reaching its summer low in July. Interestingly, the slight uptick in humidity during August restores levels to 71%, indicating that while summer brings warmth, it also maintains a sense of moisture that persists into the late summer months. Overall, the humidity patterns in Duluth illustrate a seasonal rhythm, underscoring the region's characteristic climate shifts throughout the year.
In July, Duluth experiences a very high UV Index of 9, with a burn time of just 15 minutes. This peaks during the summer months, reflecting a trend that begins in April with an increase to high and, by May and June, escalates to very high levels. The intensity of the sun's rays remains consistent through August, but later in the year, the index decreases, suggesting a seasonal decline in UV exposure. Residents and visitors alike should take precautions during these sun-soaked days to protect their skin and enjoy the great outdoors safely. For more detailed information, visit Duluth UV Index.
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July in Duluth shines as the pinnacle of sunshine, boasting an impressive 355 hours of sunlight. This month stands out not only as the sunniest but also marks a significant peak after a steady increase from earlier months, where daylight steadily climbs from 122 hours in January to 349 hours in June. Following July, the sun begins to fade gradually into August, still offering a robust 308 hours. The overall trend illustrates a vibrant summer that encapsulates Duluth’s natural beauty, with longer days welcoming residents and visitors alike to enjoy outdoor activities. By the time autumn approaches, the daylight recedes into the cooler months, reminding us of the fleeting brilliance of summer.
In Duluth, United States, July stands out as a highlight in the yearly weather calendar, boasting a 63% chance of sunny days. This peak occurs after a gradual upward trend from the winter months, where January starts with a mere 29% probability of sun. As the seasons transition, we see a steady climb, with June reaching 52%, paving the way for July's bright potential. Following July, the sunny disposition begins to wane, with August and September still enjoying decent sun chances at 58% and 52%, respectively. Overall, July not only promises the warmest temperatures but also one of the best chances for sunshine, making it a prime time for outdoor activities in this lakeside gem.
In July, Duluth basks in a generous 15 hours of daylight, matching the previous month of June and reflecting a peak that the region enjoys during the summer months. This trend of extended daylight hours marks a significant increase from the earlier months of the year, where daylight gradually lengthens from a mere 9 hours in January to a robust 15 hours by May. Following July, daylight begins to taper off into August with 14 hours, and then further decreases as autumn approaches. This rhythmic fluctuation highlights the vibrant contrast between Duluth's lush summer days and its shorter winter hours, inviting residents and visitors alike to make the most of the sun-drenched July skies.
In Duluth, July brings a subtle decline in wind speed, averaging just 3.3 m/s (7 mph), marking it as the calmest month of the year. This gentle breeze creates a serene atmosphere perfect for outdoor activities along the shores of Lake Superior. Transitioning from the brisk winds of winter and the moderate spring gusts, July’s wind is part of a noticeable trend, as the summer months generally experience a lull compared to the more vigorous gusts seen in the fall and winter. Interestingly, August then sees a slight uptick, with average speeds rising to 4.3 m/s (10 mph), hinting at a shift toward more dynamic weather patterns as the season progresses. These fluctuations not only define Duluth’s summer charm but also underscore the region's distinctively varied climate throughout the year.
The weather in Duluth changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of July'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.
When comparing the weather in July and January, the contrast is stark. July enjoys milder temperatures, ranging from a minimum of 11°C (53°F) to a maximum of 27°C (82°F), with average temperatures around 19°C (66°F). This month experiences higher humidity at 70% and sees about 95 mm (3.8 in) of precipitation over 8 days. In sharp contrast, January is marked by frigid conditions, with temperatures dipping as low as -31°C (-24°F) and only reaching a maximum of 5°C (41°F). The average temperature hovers around -10°C (15°F), and while precipitation is lower at 25 mm (1.0 in) over 6 days, the humidity is notably high at 93%. For more details on winter weather specifics, check out Duluth weather in January.
When comparing the weather in July and February, it's striking to note the temperature differences. July boasts a minimum of 11°C (53°F) and an average of 19°C (66°F), reaching a maximum of 27°C (82°F), making it a warm and inviting month. In contrast, February presents a stark chill with minimum temperatures dropping to -32°C (-25°F) and an average of -10°C (14°F), peaking at only 8°C (47°F). Precipitation levels also vary significantly, with July experiencing 95 mm (3.8 in) over 8 days, while February receives just 33 mm (1.3 in) over 7 days. Additionally, February's higher humidity at 93% adds to its cold, frigid feel, compared to the more comfortable 70% humidity in July. For more detailed information, you can visit Duluth weather in February.
The weather in July contrasts sharply with that in March. In July, temperatures range from a minimum of 11°C (53°F) to a high of 27°C (82°F), creating a warm and pleasant atmosphere, while March experiences much colder conditions, with temperatures dipping as low as -22°C (-8°F) and only reaching up to 10°C (51°F). July also sees higher humidity levels at 70%, compared to March's relatively high humidity of 89%. Precipitation is more common in July, occurring over 8 days with a total of 95 mm (3.8 in), while March has lower precipitation, with 53 mm (2.1 in) spread over 6 days. For more detailed information on March weather, check out Duluth weather in March.
When comparing the weather in July and April, the differences are quite striking. July boasts much warmer temperatures, with an average of 19°C (66°F) and highs reaching up to 27°C (82°F), while April has a chilly average of just 2°C (35°F), with maximums peaking at 18°C (65°F). Furthermore, July experiences more precipitation overall, with 95 mm (3.8 in) across about 8 days, compared to April's 74 mm (2.9 in) over approximately 10 days. Although July has a lower humidity level at 70%, it still feels more comfortable than the higher humidity of 85% found in April. For more detailed information about April weather, you can explore Duluth weather in April.
In comparing the weather of July and May, we see notable differences in temperature and humidity levels. July offers a much warmer climate with average temperatures around 19°C (66°F) and a maximum of 27°C (82°F), while May has cooler averages at 8°C (47°F) and can reach a similar maximum of 26°C (79°F). Despite the slightly lower humidity in July at 70% compared to May's 76%, both months experience a similar amount of precipitation, with July receiving 95 mm over about 8 days and May slightly less at 94 mm over 11 days. For a more detailed look at how May weather shapes up, check out Duluth weather in May.
In comparing the weather of July and June, July exhibits notably warmer temperatures, with a minimum of 11°C (53°F) compared to June's 5°C (42°F), and an average temperature of 19°C (66°F) versus June's 15°C (59°F). Interestingly, both months share the same maximum temperature of 28°C (82°F). While July experiences slightly more precipitation at 95 mm (3.8 inches) over 8 days, June has a total of 76 mm (3.0 inches) across 9 days. Humidity levels remain comparable, with July at 70% and June at 71%. For a more detailed look at June's weather, you can refer to Duluth weather in June.
In comparing the weather of July and August, both months exhibit similar temperature ranges, with average highs reaching 27°C (82°F). However, July tends to have slightly cooler minimum temperatures, averaging 11°C (53°F), compared to August’s 13°C (55°F). Additionally, August experiences a bit more precipitation, with 109 mm (4.3 in) over 11 days, while July has 95 mm (3.8 in) across 8 days. Humidity levels remain consistent, with July at 70% and August slightly higher at 71%. For more details on August weather, you can visit Duluth weather in August.
In comparing the weather between July and September, July features warmer temperatures with an average of 19°C (66°F), peaking at a high of 27°C (82°F), while September experiences a cooler average of 16°C (62°F) and a maximum of 26°C (80°F). Precipitation increases slightly in September, with 119 mm (4.7 in) over 12 days compared to July's 95 mm (3.8 in) over 8 days. Humidity remains relatively high in both months, with September’s humidity at 73% slightly higher than July's 70%. For more detailed insights, check out Duluth weather in September.
In July, Duluth experiences relatively mild temperatures, with averages around 19°C (66°F) and highs reaching up to 27°C (82°F). The month is characterized by moderate humidity levels of 70% and about 95 mm (3.8 in) of precipitation spread over 8 days. In contrast, October features much cooler weather, with average temperatures dropping to 9°C (48°F) and nighttime lows plunging to -5°C (24°F). Precipitation increases to 153 mm (6.0 in) over 13 days, accompanied by higher humidity at 81%. For more details on October weather in Duluth, you can check Duluth weather in October.
July and November present stark contrasts in weather conditions. In July, temperatures range from a minimum of 11°C (53°F) to a maximum of 27°C (82°F), with an average temperature of 19°C (66°F), creating a warm, humid atmosphere with 70% humidity. Precipitation is relatively high at 95 mm (3.8 in), occurring on 8 days. In contrast, November sees significantly colder temperatures, with a minimum of -12°C (11°F), an average of 1°C (34°F), and a maximum of 17°C (63°F). Although the total precipitation is lower at 52 mm (2.0 in), it is spread over 10 days, leading to a higher humidity level of 87%. These differences highlight the dramatic seasonal shift from the warmth of summer to the chill of late autumn. For more detailed insights, check out Duluth weather in November.
July and December present starkly contrasting weather conditions. In July, temperatures range from a comfortable minimum of 11°C (53°F) to a warm maximum of 27°C (82°F), with an average of 19°C (66°F). This month experiences 95 mm (3.8 in) of precipitation over about 8 days, alongside a humidity level of 70%. In sharp contrast, December's temperatures plummet, with a chilling minimum of -26°C (-15°F) and a maximum of just 9°C (48°F), averaging -5°C (23°F). Precipitation decreases to 67 mm (2.6 in) across 10 days, but the humidity rises to a damp 91%. For more detailed information on December conditions, you can visit Duluth weather in December.
As July arrives in Duluth, the weather transforms significantly compared to other months. With warmer maximum temperatures and a comfortably humid atmosphere, residents and visitors alike can enjoy outdoor activities under the sun, although they should be prepared for occasional summer showers that add up to the overall precipitation for the month. This blend of warmth and moisture makes July a vibrant time in Duluth, highlighting the city's unique climate during peak summer. For more detailed insights on what to expect throughout the year, check out Duluth Climate.