August Weather in Minneapolis, United States

Last updated: February 24, 2025

August in Minneapolis offers a blend of summer warmth and occasional rain, making it a dynamic month for visitors and residents alike. The average temperature hovers around 22°C (71°F), with peaks reaching a warm 32°C (91°F), providing ample opportunity for outdoor activities. However, the city experiences around 12 days of rain, accumulating 135 mm (5.3 in) of precipitation, which contributes to an average humidity level of 81%. This combination of warmth and moisture creates a lively atmosphere, perfect for enjoying the beauty of summer in the heart of the Midwest.

August Temperature in Minneapolis

In August, Minneapolis experiences a delightful warmth that ushers in the height of summer, with average temperatures reaching a comfortable 22°C (71°F). As the month progresses, the city basks in maximum highs of 32°C (91°F), offering residents and visitors alike a chance to enjoy outdoor activities under sunny skies. While the minimum temperature hovers around a pleasant 11°C (52°F), nights remain relatively mild, promoting a sense of relaxation. This summer peak contrasts sharply with the frigid winter months, highlighting a dramatic seasonal shift and showcasing the city's capacity for both extremes. With the end of summer approaching, August serves as a vibrant reminder of the lush warmth before the transition to autumn's cooler embrace.

August Weather in Minneapolis: Daily Temperature Highs, Lows, and Averages

The chart illustrates August temperature patterns in Minneapolis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec161733435971757164483323
Data source: Temperature data for Minneapolis 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.

August Precipitation in Minneapolis

August in Minneapolis is characterized by a notable peak in precipitation, receiving 135 mm (5.3 in) of rain over 12 days—the highest monthly total of the year. This surge in rainfall follows a gradual increase from the earlier summer months, reflecting a marked shift from July’s 104 mm (4.1 in) over the same number of days. As the city transitions from the warmth of summer to the cooler embrace of autumn, August serves as a reminder of the lush vitality that rain brings, nourishing the landscape and preparing it for the upcoming seasonal change. The pattern of increasing precipitation leading into this month highlights a seasonal trend that not only revitalizes the environment but also sets the stage for the wetter fall months ahead.

August Precipitation Trends in Minneapolis

The chart displays monthly precipitation patterns in Minneapolis, with values for each month alongside August's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how August's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec2733568712686104136115983550
Data source: Precipitation data for August generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

August Humidity in Minneapolis

In Minneapolis, August experiences a humidity level of 81%, consistent with the preceding month of July and in line with September's conditions. Notably, this mid-summer humidity reflects a gradual decline from the peak levels seen earlier in the year, where January and February recorded a striking 87% and 90%, respectively. As the seasons transition, humidity levels begin to stabilize, maintaining a comfortable range in late summer and early autumn. This persistent humidity contributes to the region's characteristic warmth, highlighting the natural ebb and flow of moisture throughout the year.

August Average Humidity in Minneapolis

This chart illustrates the average monthly humidity levels in Minneapolis, with August's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how August's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec87%90%85%84%78%80%81%81%81%84%88%84%
Data source: Humidity data for August generated using information from the Copernicus Climate Change Service.

August UV Index in Minneapolis

In August, Minneapolis experiences a UV Index of 9, placing it in the very high exposure category alongside the previous month, July. This level signifies a continued risk of harm from unprotected sun exposure, with the burn time reducing to just 15 minutes—a sharp contrast to the more moderate levels seen in the early part of the year. As summer wanes, it’s crucial for residents and visitors alike to remain vigilant about sun protection, particularly during outdoor activities. Understanding these trends is essential for making informed decisions about sun safety. For more detailed information, check out the Minneapolis UV Index.

Maximum UV Index Levels in Minneapolis for August

The chart shows the monthly maximum UV Index (UVI) for Minneapolis in August, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2457810997532
Data source: Minneapolis August 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.

August Sunshine in Minneapolis

In Minneapolis, August shines brightly with 319 hours of glorious sunshine, making it one of the sunniest months of the year. As summer reaches its peak, the vibrant energy of the city is fueled by abundant sunlight, following a remarkable surge from 360 hours in July. This upward trend from the cold, dark January days—where sunlight barely breaks 138 hours—highlights the city's transformation into a lively hub during summer. Interestingly, while August boasts significantly more sunshine than the earlier months, it does see a decrease compared to July. As the days gradually shorten into September's 250 hours, the warmth of August lingers in the hearts of residents, making it a cherished time for outdoor activities and community gatherings.

Monthly Sunshine Duration in Minneapolis: August Highlighted

The August sunshine duration represents the total number of hours Minneapolis experiences direct sunlight during the month of August, excluding cloudy or obstructed periods. This chart compares the sunshine duration of August with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec138h202h235h236h287h347h360h319h250h213h176h169h
Data source: Minneapolis August Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Minneapolis During August

August shines brightly in Minneapolis, boasting a 62% chance of sunny weather that aligns with a general upward trend in clear skies as summer reaches its peak. After a gradual increase from 22% in January to 58% in June, the likelihood of sun really blossoms, creating an inviting atmosphere for outdoor activities and gatherings. As the city transitions into September, this sunny disposition persists, maintaining the same probability of sunshine. With these promising August probabilities, residents and visitors alike can relish in long, warm days filled with sunshine, making it the perfect time to explore the vibrant local scene.

Percentage of Sunny Days in August in Minneapolis

The chart illustrates the percentage of sunny days in Minneapolis throughout the year, with August 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 Minneapolis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%33%45%31%41%58%57%62%62%46%39%30%
Data source: Minneapolis August chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Minneapolis in August

In Minneapolis, August marks the transition from the peak of summer daylight to the gradual shortening of days as autumn approaches. With approximately 13 hours of daylight, the city enjoys a balance between the long, sun-soaked days of June and July and the impending shorter days of fall. This month reflects a noticeable decline from the height of summer, yet it still offers ample sunshine for outdoor activities and gatherings. As daylight gradually wanes into September, the lingering warmth of summer can still be felt, creating a pleasant backdrop for summer's final hurrah before the vibrant autumnal colors take center stage.

Average Daylight Hours in Minneapolis for August

The chart illustrates the variation in daylight duration in Minneapolis throughout the year, with August highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 12m10h 25m11h 57m13h 31m14h 52m15h 32m15h 10m13h 58m12h 27m10h 54m9h 31m8h 48m
Data source: Minneapolis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

August Winds in Minneapolis

In August, the average wind speed in Minneapolis settles at 3.2 m/s (7 mph), maintaining a consistent breeze that mirrors the lighter winds of July, which recorded the year's lowest average at 2.7 m/s (6 mph). This gentle air flows through the city, signaling the transition from the warm depths of summer towards the cooler days of autumn. As we move closer to the fall months, notably September, there's a slight uptick to 3.4 m/s (8 mph), hinting at the refreshing gusts that begin to characterize the changing seasons. Overall, wind speeds during the summer remain relatively moderate, but August's steady breezes provide a subtle reminder of nature's shifts as it prepares for the transition into fall.

Average August Wind Speed in Minneapolis

The chart displays monthly wind speed patterns in Minneapolis, with values for each month shown alongside August's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how August's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.03.23.93.53.43.12.73.2 m/s3.43.23.83.7
Data source: Minneapolis August wind data, generated using information from the Copernicus Climate Change Service.

How August Weather in Minneapolis Compares to Other Months

The weather in Minneapolis changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Minneapolis and find detailed weather information for every month.

August and January present strikingly contrasting weather conditions. In August, temperatures range from a mild 11°C (52°F) at night to a warm 32°C (91°F) during the day, with an average of 22°C (71°F). This month is characterized by significant rainfall, totaling 135 mm (5.3 in) over approximately 12 days, and high humidity at 81%. In contrast, January features frigid temperatures, with lows plunging to -34°C (-28°F) and an average of -9°C (17°F), peaking at just 6°C (44°F). Precipitation is minimal, with only 27 mm (1.0 in) expected over about 5 days, and humidity levels slightly higher at 87%. For more insights on winter conditions, you can check Minneapolis weather in January.

August and February offer dramatically contrasting weather conditions. In August, temperatures range from a mild 11°C (52°F) at night to a hot 32°C (91°F) during the day, accompanied by high humidity at 81%. Rainfall is common, with about 135 mm (5.3 inches) falling over 12 days. Conversely, February experiences bitterly cold temperatures, with a minimum of -35°C (-31°F) and an average of -8°C (17°F), only reaching a maximum of 16°C (60°F). Precipitation is significantly lower, with just 33 mm (1.3 inches) over 6 days, while humidity remains quite high at 90%. For more details, visit Minneapolis weather in February.

When comparing the weather in August and March, we observe stark contrasts. August boasts much warmer temperatures with a minimum of 11°C (52°F), an average of 22°C (71°F), and a maximum of 32°C (91°F). In addition, it experiences significant precipitation, with 135 mm (5.3 in) falling over 12 days, and humidity levels reaching 81%. In sharp contrast, March is characterized by much colder conditions, with a minimum temperature plummeting to -26°C (-14°F) and an average temperature of 0°C (33°F). The maximum temperature in March only reaches 22°C (72°F) on rare occasions. Precipitation is lower at 56 mm (2.2 in) over 7 days, and humidity is slightly higher at 85%. For more details, you can check out Minneapolis weather in March.

April and August in Minneapolis present two contrasting weather profiles, both in temperature and overall climate experience. In April, temperatures can dip as low as -14°C (8°F) at night, while averaging around a brisk 6°C (43°F) during the day, peaking at a milder 28°C (83°F). Meanwhile, August boasts warmer temperatures, with a minimum of 11°C (52°F) and an average of 22°C (71°F), reaching highs of 32°C (91°F). Precipitation is more frequent in August, occurring on about 12 days with a total of 135 mm (5.3 in), in contrast to April's 87 mm (3.4 in) falling over 9 days. Both months exhibit high humidity, with April at 84% and August slightly lower at 81%. For more specific details on April weather variations, you can visit Minneapolis weather in April.

August and May display contrasting weather patterns, with August generally warmer and more humid. In August, the average temperature is a comfortable 22°C (71°F), reaching highs of up to 32°C (91°F), while May has a cooler average of 15°C (59°F) with maximum temperatures peaking at 36°C (97°F). Despite both months receiving around 126-135 mm of precipitation over approximately 12 days, August experiences slightly higher humidity at 81%, compared to May's 78%. For more detailed information, you can check out Minneapolis weather in May.

In comparing the weather of August and June, both months experience similar average temperatures, hovering around 22°C (72°F). However, June sees slightly higher maximum temperatures, peaking at 36°C (97°F), compared to August's maximum of 32°C (91°F). Precipitation is more prevalent in August, with 135 mm (5.3 in) falling over 12 days, while June receives 86 mm (3.4 in) across 10 days. Additionally, humidity levels are relatively close, with August at 81% and June at 80%. For more detailed information on June weather, you can check Minneapolis weather in June.

In comparing the weather between August and July, we find some notable differences. July tends to be slightly warmer, with an average temperature of 24°C (75°F) and maximums reaching up to 35°C (94°F). In contrast, August has a cooler average temperature of 22°C (71°F) and a maximum of 32°C (91°F). Despite the slight drop in temperatures, August experiences increased precipitation, with 135 mm (5.3 in) over 12 days, compared to July's 104 mm (4.1 in) across 10 days. Both months share a high humidity level of 81%, contributing to a muggy atmosphere. For more detailed information on July's climate, check out Minneapolis weather in July.

August and September weather exhibit notable differences, particularly in temperature and precipitation. August features a milder minimum temperature of 11°C (52°F) and an average of 22°C (71°F), with maximums reaching up to 32°C (91°F). In contrast, September experiences a significant drop in the minimum temperature to 2°C (36°F) and a lower average of 18°C (64°F), even though it matches August's maximum of 33°C (91°F). Regarding precipitation, August sees higher totals at 135 mm (5.3 in) over 12 days, while September has less rainfall at 115 mm (4.5 in) across 10 days. Both months share a consistent humidity level of 81%. For more details, you can check out Minneapolis weather in September.

August typically offers warmer conditions, with average temperatures around 22°C (71°F) and highs reaching up to 32°C (91°F). The month sees significant precipitation, totaling 135 mm (5.3 in), and a relatively high humidity level of 81%. In contrast, October marks a significant drop in temperatures, with averages at 9°C (49°F) and lows plunging to -9°C (16°F). Though it still experiences precipitation, totaling 98 mm (3.9 in) over approximately 11 days, the humidity rises slightly to 84%. For more detailed information, you can visit Minneapolis weather in October.

August and November present contrasting weather experiences. In August, temperatures fluctuate between a mild minimum of 11°C (52°F) and a warm maximum of 32°C (91°F), with an average of 22°C (71°F). This month also sees significant precipitation, with 135 mm (5.3 in) falling over 12 days, contributing to a high humidity level of 81%. In stark contrast, November's temperatures drop considerably, ranging from a minimum of -16°C (4°F) to a maximum of 24°C (75°F), averaging just 1°C (33°F). November experiences much less rainfall, totaling only 35 mm (1.4 in) over 8 days, though humidity remains notable at 88%. For a more detailed look at November weather specifics, check out Minneapolis weather in November.

August and December in Minneapolis present a stark contrast in weather conditions. In August, temperatures range from a minimum of 11°C (52°F) to a maximum of 32°C (91°F), with an average of 22°C (71°F). The month is also quite humid, with 81% humidity and 135 mm (5.3 in) of precipitation spread over 12 days. In sharp contrast, December experiences frigid temperatures, with a minimum of -26°C (-15°F) and a maximum of 13°C (55°F), averaging -5°C (23°F). The month sees significantly less precipitation at 50 mm (2.0 in) over just 7 days, while humidity remains high at 84%. For a more detailed look at the winter weather conditions, visit Minneapolis weather in December.

Compare Minneapolis's Climate with Cities Worldwide

Conclusion: What to Expect From August Weather in Minneapolis

August in Minneapolis brings a unique blend of warmth and humidity, setting it apart from other months. With maximum temperatures soaring to around 32°C (91°F) and an average that invites outdoor activities, it’s a great time for summer enthusiasts. However, the month does not shy away from occasional rainfall, averaging 12 wet days and a total precipitation of 135 mm, which helps keep the landscape lush. The high humidity levels can make the heat feel more intense, urging locals and visitors alike to seek refuge in the city's abundant lakes and parks. As you experience the vibrant atmosphere of Minneapolis, you'll discover that August offers a perfect fusion of summer heat and refreshing showers, making it a truly distinctive time of year. For a deeper understanding of Minneapolis's climate patterns, explore Minneapolis Climate.