July Weather in Decorah, United States

Last updated: February 24, 2025

Experience the vibrant July weather in Decorah, United States, where temperatures reach a maximum of 34°C (93°F) and hover around a pleasant average of 23°C (74°F). With a minimum temperature of 11°C (53°F), the month offers a comfortable range for outdoor activities. However, expect a fair amount of precipitation, totaling 106 mm (4.2 in) over 10 days, adding a touch of lushness to the landscape. The humidity is typically around 75%, creating a warm and inviting summer atmosphere perfect for enjoying all that Decorah has to offer.

July Temperature in Decorah

In July, Decorah blossoms with warmth, showcasing a delightful contrast to the frigid months of winter. With minimum temperatures rising to a comfortable 11°C (53°F), locals and visitors alike enjoy the peak of summer, where average highs reach a pleasant 34°C (93°F). The overall average temperature settles at a balmy 23°C (74°F), making it an ideal time for outdoor activities and community events. As the hottest month of the year, July not only invites people to bask under the sun but also marks a significant shift from the frigid lows seen in winter months, highlighting Decorah's charming seasonal variations.

July Weather in Decorah: Daily Temperature Highs, Lows, and Averages

The chart illustrates July temperature patterns in Decorah, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec192035455971747064493527
Data source: Temperature data for Decorah 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.

July Precipitation in Decorah

In July, Decorah experiences a moderate level of precipitation, with 106 mm (4.2 in) of rainfall spread across 10 days. This marks a slight decrease from the previous month of June, which had 130 mm (5.1 in), showcasing a trend of fluctuating precipitation as the summer progresses. Notably, July’s totals are still significantly higher than the winter months, emphasizing the season's vitality. As the year unfolds, it becomes clear that late spring and summer months consistently deliver the highest rainfall, often exceeding 100 mm, which plays a crucial role in nurturing the lush landscapes that Decorah is known for. This rhythm of precipitation not only supports the local flora but also sets the stage for picturesque summer scenes throughout the region.

July Precipitation Trends in Decorah

The chart displays monthly precipitation patterns in Decorah, with values for each month alongside July's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how July's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec395264801551301061101231335338
Data source: Precipitation data for July generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

July Humidity in Decorah

In Decorah, United States, July marks a notable shift in humidity levels, with an average of 75%—consistent with the declining trend that begins in late spring. After the higher humidity months of January through June, which hover around 79% to 85%, July's figures provide a brief respite before the late summer and fall months settle in. This comfortable dip in humidity continues into August, where it reaches 69%, highlighting a seasonal transition. As the year progresses, a return to higher humidity is seen in the fall, particularly in November, when levels rise again to 88%, suggesting that while July brings relief, the cycle of humidity is far from over.

July Average Humidity in Decorah

This chart illustrates the average monthly humidity levels in Decorah, with July's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how July's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%85%84%83%75%79%75%69%74%79%88%82%
Data source: Humidity data for July generated using information from the Copernicus Climate Change Service.

July UV Index in Decorah

In July, Decorah experiences one of its highest UV Index ratings, remaining at a staggering 10, which is categorized as very high. This trend mirrors the preceding month of June, reinforcing the critical need for sun protection, as the recommended burn time remains a brisk 15 minutes. Following July, the UV Index slightly declines in August but remains elevated at 9, highlighting a consistent summer pattern of intense UV exposure throughout the season. As temperatures soar and outdoor activities beckon, it’s vital for residents and visitors alike to stay vigilant and protect their skin against harmful rays. For more detailed information on UV levels, check out Decorah UV Index.

Maximum UV Index Levels in Decorah for July

The chart shows the monthly maximum UV Index (UVI) for Decorah in July, 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.
JanFebMarAprMayJunJulAugSepOctNovDec34589101098532
Data source: Decorah July 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.

July Sunshine in Decorah

July in Decorah, United States, shines as the sunniest month of the year, boasting an impressive 359 hours of sunlight. This peak follows a steady increase in daylight from the winter months, where January starts with a mere 129 hours. As spring transitions into summer, sunshine hours soar from 232 in April to 332 in June, creating a vibrant atmosphere that culminates in July. Following this peak, August still enjoys a healthy 324 hours, but a noticeable decline begins, with hours tapering off in September to 261. This gradual decrease suggests a natural ebbing of summer's brightness, as the region prepares for the cooler months ahead. Overall, the trend clearly illustrates a delightful, gradual ascent to sunlight during the warmer half of the year, reaching its zenith in July before transitioning back into the cozy embrace of fall.

Monthly Sunshine Duration in Decorah: July Highlighted

The July sunshine duration represents the total number of hours Decorah experiences direct sunlight during the month of July, excluding cloudy or obstructed periods. This chart compares the sunshine duration of July with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec129h194h231h232h257h332h359h324h261h200h191h180h
Data source: Decorah July Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Decorah During July

In Decorah, United States, the likelihood of sunny weather sees a notable upswing as summer approaches. July enjoys a 51% chance of sunshine, marking a peak in the month-to-month progression from the earlier spring months, characterized by lower chances in January (25%) and April (32%). Interestingly, while July's sunny probabilities remain solid, they slightly dip compared to August's more favorable 57%. As we transition into autumn, the trend shifts towards even higher chances of sun in September at 63%, suggesting that Decorah's summer might be characterized by a balance between sunny days and the warm embrace of late summer and early fall. Overall, July stands as a pleasant mix of sunshine and warmth, making it a delightful time to enjoy outdoor activities in this charming locale.

Percentage of Sunny Days in July in Decorah

The chart illustrates the percentage of sunny days in Decorah throughout the year, with July 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 Decorah experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%33%42%32%35%55%51%57%63%42%41%36%
Data source: Decorah July chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Decorah in July

In July, Decorah experiences a delightful return to longer days, basking in approximately 14 hours of daylight. This slight decrease from June's peak of 15 hours indicates the gradual shift towards the shorter days of autumn. The month showcases the vibrant growth of summer, where the extended daylight hours allow for more outdoor activities and exploration. As the days begin to shorten in August, the lingering warmth and abundant light of July remain a highlight, encapsulating the essence of summer before the inevitable transition to fall. This trend highlights the rhythm of the seasons, with each month marking a continuous ebb and flow in daylight that shapes the local environment and lifestyle.

Average Daylight Hours in Decorah for July

The chart illustrates the variation in daylight duration in Decorah throughout the year, with July highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 23m10h 31m11h 57m13h 26m14h 41m15h 18m14h 58m13h 51m12h 26m10h 58m9h 41m9h 1m
Data source: Decorah daylight hours, calculated by summing the hours between sunrise and sunset for each day.

July Winds in Decorah

In July, Decorah, United States, experiences a notable drop in average wind speed, with gentle breezes averaging just 2.9 m/s (6 mph). This decline marks a shift from the slightly more robust winds of late spring and early summer, where speeds hovered around 3.4 m/s in June and peaked at 4.2 m/s in March and April. As summer progresses, the calming winds of July create a serene atmosphere, inviting residents and visitors alike to enjoy the beauty of the season. Interestingly, the overall trend shows a gradual reduction in wind speed from the bustling winds of winter months, which typically range between 3.4 m/s to 4.5 m/s, to the more placid breezes characteristic of mid-summer. This seasonal ebb and flow enhances Decorah's charm, offering a tranquil setting perfect for outdoor activities and leisurely strolls.

Average July Wind Speed in Decorah

The chart displays monthly wind speed patterns in Decorah, with values for each month shown alongside July's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how July's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.43.64.24.13.93.42.9 m/s3.03.53.74.54.2
Data source: Decorah July wind data, generated using information from the Copernicus Climate Change Service.

How July Weather in Decorah Compares to Other Months

The weather in Decorah 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 Decorah and find detailed weather information for every month.

In July, the weather in Decorah is warm and humid, with average temperatures reaching 23°C (74°F) and maximum highs soaring up to 34°C (93°F). However, this summer month also sees considerable precipitation, totaling 106 mm (4.2 inches) over approximately 10 days. In stark contrast, January brings frigid temperatures, with average lows around -7°C (20°F) and extreme minimums plunging to -33°C (-28°F). This winter month features significantly less precipitation at 39 mm (1.5 inches) over 7 days, coupled with higher humidity levels of 84%. For a detailed look at the weather conditions in January, you can explore Decorah weather in January.

July and February present a stark contrast in weather conditions. In July, temperatures range from a minimum of 11°C (53°F) to a maximum of 34°C (93°F), with an average of 23°C (74°F). This month also experiences significant precipitation, averaging 106 mm (4.2 in) over about 10 days while maintaining a humidity level of 75%. In contrast, February is much colder, with temperatures plunging to a minimum of -34°C (-28°F) and peaking at a maximum of 18°C (65°F), averaging at -7°C (20°F). This winter month sees less precipitation at 52 mm (2.0 in) spread across 8 days, but the humidity is slightly higher at 85%. For a closer look at February weather specifics, you can visit Decorah weather in February.

July and March present markedly contrasting weather conditions. In July, temperatures range from a cool 11°C (53°F) at night to a scorching high of 34°C (93°F) during the day, with an average temperature of 23°C (74°F). The month sees considerable precipitation, totaling 106 mm (4.2 inches) over about 10 days, accompanied by a humidity level of 75%. On the other hand, March remains much colder, with nighttime temperatures plunging to -25°C (-12°F) and daytime highs reaching a mild 21°C (69°F), averaging just 2°C (35°F). This month experiences 64 mm (2.5 inches) of precipitation over 8 days, coupled with a higher humidity level of 84%. For a deeper dive into March weather specifics, you can check out Decorah weather in March.

When comparing the weather in July and April, it’s clear that July is significantly warmer, with average temperatures reaching 23°C (74°F) compared to April's average of just 7°C (45°F). July experiences a wider temperature range, with maximum highs soaring to 34°C (93°F), while April sees a maximum of 26°C (80°F). Despite both months receiving precipitation on about 10 days, July's rainfall totals 106 mm (4.2 in), which is higher than April's 80 mm (3.2 in). Additionally, humidity levels are slightly lower in July at 75%, compared to April’s 83%. For a detailed look at April weather, you can check out Decorah weather in April.

When comparing the weather in July and May, notable differences emerge in temperature and precipitation. July typically boasts warmer conditions, with average temperatures around 23°C (74°F) and maximums reaching up to 34°C (93°F), compared to May's cooler average of 15°C (59°F) and a maximum of 33°C (92°F). However, May experiences more rainfall, with 155 mm (6.1 in) over approximately 15 days, while July sees 106 mm (4.2 in) but over fewer days, with rain occurring on about 10 days. Both months share a similar humidity level of 75%, making the air feel equally muggy despite the temperature differences. For a more detailed look at the weather in May, visit Decorah weather in May.

In comparing the weather of July and June, July tends to be slightly warmer on average, with temperatures ranging from a minimum of 11°C (53°F) to a maximum of 34°C (93°F), while June experiences a minimum of 8°C (48°F) and a maximum of 35°C (95°F). However, June has a higher average humidity of 79%, compared to July's 75%, making it feel more humid during that month. Precipitation is also a bit elevated in June with a total of 130 mm (5.1 in) over 11 days, compared to July's 106 mm (4.2 in) spread across 10 days. For a more detailed look at the weather patterns in June, you can refer to Decorah weather in June.

In July, the weather typically showcases a minimum temperature of 11°C (53°F) and an average of 23°C (74°F), reaching a maximum of 34°C (93°F), with a total precipitation of 106 mm (4.2 in) over 10 days and humidity around 75%. In contrast, August presents slightly cooler conditions, with minimum temperatures dropping to 10°C (51°F) and an average of 21°C (70°F), while still reaching a maximum of 34°C (94°F). Precipitation in August is slightly higher at 109 mm (4.3 in) but remains consistent with 10 rainy days, and humidity decreases to 69%. For more detailed insights, you can check Decorah weather in August.

The weather in July features warmer temperatures, with a minimum of 11°C (53°F), an average of 23°C (74°F), and a maximum reaching 34°C (93°F). In contrast, September sees cooler conditions, with a minimum temperature of 2°C (35°F) and an average of 18°C (65°F), although it can still peak at 32°C (90°F).

Both months experience a similar number of rainy days, with precipitation occurring over 10 days, but September tends to be slightly wetter, receiving 123 mm (4.8 in) compared to July's 106 mm (4.2 in). The humidity levels remain fairly stable, hovering around 75% in July and dropping slightly to 74% in September. For more details, you can explore Decorah weather in September.

In comparing the weather between July and October, we see a significant shift in temperature and conditions. July boasts a warm average temperature of 23°C (74°F), with highs reaching up to 34°C (93°F) and a relatively high humidity of 75%. In contrast, October experiences a much cooler average of 10°C (50°F), with minimum temperatures dropping to -7°C (20°F) at times. Although October has slightly more precipitation at 133 mm (5.2 in) over 11 days compared to July's 106 mm (4.2 in) over 10 days, the overall feel is much crisper and brisker, with a humidity level of 79%. For a more detailed look at October weather in the region, you can explore Decorah weather in October.

July and November present starkly contrasting weather conditions. In July, temperatures typically range from a mild 11°C (53°F) at night to a hot 34°C (93°F) during the day, with an average of 23°C (74°F). This summer month also sees significant rainfall, with about 106 mm (4.2 inches) of precipitation spread over 10 days and a humidity level of 75%. In contrast, November experiences a much colder climate, where temperatures can plummet as low as -16°C (3°F) at night, and even at their peak, they only reach around 22°C (72°F), with an average temperature of 2°C (35°F). This month has lower precipitation levels, amounting to 53 mm (2.1 inches) over 7 days, accompanied by a higher humidity level of 88%. For more detailed information about November weather, you can visit Decorah weather in November.

The weather in July and December offers stark contrasts, highlighting the seasonal extremes. In July, temperatures range from a mild 11°C (53°F) to a scorching 34°C (93°F), with an average of 23°C (74°F) and relatively high humidity at 75%. This month sees about 106 mm (4.2 in) of precipitation, occurring over 10 days. In contrast, December experiences frigid conditions, with temperatures plummeting to a minimum of -23°C (-9°F) and an average of -3°C (28°F), even reaching a maximum of 20°C (68°F) on rare occasions. Precipitation is lighter, totaling 38 mm (1.5 in) over just 6 days, and humidity climbs slightly higher to 82%. For more details on December weather, you can check Decorah weather in December.

Compare Decorah's Climate with Cities Worldwide

Conclusion: What to Expect From July Weather in Decorah

As July graces Decorah, it brings a vibrant shift in weather, marked by higher temperatures and a notable increase in humidity. With average highs reaching a balmy 23°C (74°F), summer truly takes center stage, contrasting sharply with the cooler months. The added warmth, however, also invites an uptick in rainfall, with precipitation occurring on about ten days throughout the month. This blend of sunshine and showers creates a lively atmosphere, making July a unique month that stands apart from the rest of the year. For a more detailed look at Decorah's climate patterns, check out the full information here: Decorah Climate.