Last updated: February 24, 2025
In Dennis, United States, the weather in July showcases a delightful summer ambiance characterized by an average temperature of 21°C (71°F). Daytime highs can reach up to 29°C (84°F), providing plenty of warmth, while the nights offer a refreshing drop to a minimum of 16°C (61°F). However, residents should be prepared for occasional rain, as 83 mm (3.3 inches) of precipitation falls over the month, typically over 9 days. With a humidity level of 76%, the air remains lush and invigorating, making this coastal locale a quintessential summer destination.
In Dennis, United States, July brings a refreshing warmth that contrasts sharply with the chilly depths of winter. With minimum temperatures averaging 16°C (61°F) and peaking at a delightful 29°C (84°F), the month sets a vibrant scene for summer activities. With an overall average of 21°C (71°F), July serves as a significant turning point from the cool spring and early summer months. The steady rise in temperatures from earlier months reflects the region's transition into the more vibrant and lively summer season, making it an ideal time for outdoor adventures and community gatherings. As the sun shines brightly, July encapsulates the essence of summer warmth and the joy that comes with it.
In July, Dennis experiences a notable shift in precipitation patterns, with 83 mm (3.3 in) of rain falling over just 9 days. This represents a decline from the wetter months preceding it, as June saw 91 mm over the same number of days. While summer typically means lower rainfall, July's totals are still significant when compared to the heavier downpours of the fall and winter months. The trend suggests that as residents bask in warm temperatures, they can also expect occasional showers, albeit less frequent, marking the transition into a drier season. As the year progresses, the precipitation is anticipated to increase again come September, as the cyclical nature of weather in Dennis unfolds.
In July, Dennis, United States, experiences a humidity level of 76%, marking a continuation of a gradual decline from earlier months. Starting the year with a high of 84% in January and February, humidity levels taper off through the spring, reaching 75% by May. This trend of diminishing humidity persists into the summer, with July's levels mirroring those of August. Interestingly, the overall pattern indicates a relatively stable humidity environment, with July positioned as a transitional month, hinting at the return of slightly higher percentages as the year progresses into the fall months. Despite the summer heat, residents can find some relief in the consistent, albeit moderate, humidity.
In July, Dennis, United States, experiences a high UV Index of 9, maintaining the "very high" exposure category that began in June and has persisted through to August. Despite a slight decline from June’s peak of 10, the burn time remains at 15 minutes, urging residents and visitors to take precautions to protect their skin. This trend of increasing UV levels from the beginning of the year, culminating in the summer months, highlights the importance of sun safety during this peak outdoor season. As part of summer activities, awareness of the UV Index is crucial—be sure to check the daily forecast and prepare accordingly to enjoy the sunny days safely. For more information, visit the Dennis UV Index.
UV Risk Categories
In July, Dennis, United States, basks in the peak of summer with an impressive 346 hours of sunshine, showcasing its vibrant and sunny disposition during this month. This uptick in sunny hours follows a steady increase from January's modest 142 hours, steadily climbing through the spring months of March and April. As summer sets in, the days grow longer and brighter, culminating in July's radiant embrace, just slightly tapering off in August with 330 hours. This trend highlights not only the allure of Dennis as a summer destination but also the unmistakable rhythm of sunshine that locals and visitors alike can relish. The consistent rise in daylight hours throughout the year inspires outdoor adventures, beach days, and cherished moments under the sun, making July a truly delightful month in this coastal haven.
In Dennis, United States, the likelihood of sunny weather in July holds a moderate 37% chance, mirroring the trend seen in the preceding months like June and just slightly exceeding the often cloudy August at 35%. As we progress through the year, a noticeable fluctuation in sunny days highlights March as the standout month with a 57% chance, while mid-summer does not deliver the clear skies one might expect. This pattern suggests that while July enjoys a fair amount of sunshine, residents and visitors should still be prepared for the characteristic variability of summer weather in this coastal locale.
In Dennis, United States, July enjoys a generous daylight duration of 14 hours, maintaining the summer glow that peaks in June. Following a gradual ascent from a mere 9 hours in January, daylight hours have surged through spring, culminating in the vibrant light of summer. Shifting into August, the days begin to shorten slightly, with daylight tapering to 13 hours. This pattern reflects a typical seasonal transition, as the sun's presence slowly wanes into the cooler months ahead. The overall trend highlights a clear seasonal rhythm, where the longest days of summer give way to the lush light of autumn.
In July, the wind in Dennis, United States, dances at a gentle average speed of 5.2 m/s (12 mph), marking a subtle dip compared to the preceding months. This soft breeze signifies the peak of summer, where the wind tends to be less vigorous, providing a tranquil atmosphere ideal for outdoor activities. As the year progresses, wind speeds gradually increase again in October and November, reminiscent of the brisk coastal gales that herald the onset of winter. The overall trend showcases a typical seasonal ebb and flow, where the summer months embrace a calmness before giving way to the more dynamic winds of the fall and winter seasons.
The weather in Dennis 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 Dennis and find detailed weather information for every month.
July and January present stark contrasts in weather conditions. In July, temperatures are much warmer, with minimums around 16°C (61°F) and maximums reaching up to 29°C (84°F), accompanied by a relatively high humidity of 76%. However, it experiences modest rainfall with about 83 mm (3.3 in) over approximately 9 days.
In contrast, January features chilly temperatures, where the minimum can drop to -14°C (6°F) and the average is a mere 2°C (36°F). Precipitation is slightly higher at 94 mm (3.7 in) but occurs over an additional day, leading to a humidity level of 84%. These differences highlight the seasonal variations in climate, making January feel significantly colder than the warm summer month of July. For more specifics about winter weather in Dennis, you can refer to Dennis weather in January.
In comparing the weather between July and February, notable contrasts emerge. July boasts much warmer temperatures, with averages around 21°C (71°F) and a maximum reaching 29°C (84°F), while February experiences a chilly average of just 2°C (36°F), with highs barely hitting 11°C (53°F). Precipitation is also an area of difference; July sees about 83 mm (3.3 in) over 9 days, making it a relatively wet summer month, while February has higher precipitation of 123 mm (4.8 in) over 12 days, suggesting more frequent, albeit lighter, winter showers. Additionally, humidity levels remain high in both months, with July at 76% and February slightly higher at 84%. For a detailed look at the weather in February, check out Dennis weather in February.
In July, the weather in Dennis is significantly warmer, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (84°F). The humidity is relatively high at 76%, and the region experiences about 83 mm (3.3 in) of precipitation over approximately 9 rainy days. In contrast, March presents a much cooler climate, with temperatures fluctuating between -9°C (16°F) and 13°C (56°F). Although March is wetter, receiving 118 mm (4.7 in) of precipitation over 10 days, the humidity is slightly higher at 82%. For a more detailed look at March weather, check out Dennis weather in March.
In comparing the weather of July and April, notable differences emerge. July is characterized by much warmer temperatures, with a minimum of 16°C (61°F) and an average of 21°C (71°F), reaching a maximum of 29°C (84°F). In contrast, April is significantly cooler, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 16°C (60°F), and an average of only 7°C (46°F). While July experiences 83 mm (3.3 in) of precipitation over 9 days, April has a higher total of 137 mm (5.4 in) but over 13 days. Interestingly, April's humidity is slightly higher at 79%, compared to July's 76%. For a more detailed look at April weather, you can visit Dennis weather in April.
When comparing the weather in July and May, it is clear that July is significantly warmer, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (84°F), compared to May, which has a lower average range from 5°C (41°F) to 21°C (70°F). Additionally, July experiences less precipitation, totaling 83 mm (3.3 in) over 9 days, while May sees a higher rainfall of 119 mm (4.7 in) over 12 days. Despite July's higher temperatures, humidity remains relatively similar in both months, with June at 76% and May at 75%. For more information, you can refer to Dennis weather in May.
In comparing the weather between June and July, July tends to be warmer, with an average temperature of 21°C (71°F) compared to June's cooler average of 17°C (63°F). The minimum temperature in July is also higher, starting at 16°C (61°F) versus June's 10°C (51°F). However, July experiences slightly less precipitation, totaling 83 mm (3.3 in) over 9 days, while June has 91 mm (3.6 in) over 10 days. Humidity levels are similar, with both months hovering around 76% in July and 78% in June. For a more detailed look at June's weather, you can refer to Dennis weather in June.
July and August exhibit similar weather patterns, with only slight variations. In July, temperatures range from a minimum of 16°C (61°F) to a maximum of 29°C (84°F), averaging around 21°C (71°F). Conversely, August sees a slightly cooler maximum of 27°C (81°F) while maintaining a similar average temperature of 22°C (72°F). Both months report comparable precipitation levels, with July experiencing 83 mm (3.3 in) over 9 days and August totaling 82 mm (3.2 in) over 8 days. Humidity remains constant at 76% for both months, contributing to a subtropical feel. For more details on August weather in Dennis, you can visit Dennis weather in August.
In comparing the weather between July and September, we notice a gradual transition into cooler temperatures. July boasts a minimum temperature of 16°C (61°F) and an average high of 29°C (84°F), while September sees a slight drop, with minimums around 13°C (56°F) and a maximum of 25°C (78°F). Precipitation levels also vary, with July experiencing 83 mm (3.3 in) over 9 days, compared to September's 118 mm (4.7 in) spread over 10 days. Interestingly, humidity remains fairly consistent, with July at 76% and September slightly lower at 75%. For a more detailed look at weather specifics in September, check out Dennis weather in September.
In July, temperatures are significantly warmer, with average highs reaching 29°C (84°F) and a comfortable humidity of 76%. In contrast, October brings much cooler temperatures, with an average high of only 22°C (72°F) and lows dropping to 4°C (39°F). Additionally, October experiences more rainfall, accumulating 175 mm (6.9 in) over 12 days, compared to July's 83 mm (3.3 in) spread across 9 days. To learn more about the specific weather conditions in October, check out Dennis weather in October.
In July, the weather is typically warm and pleasant, with average temperatures ranging from a mild 16°C (61°F) to a peak of 29°C (84°F). While it does experience some rainfall, totaling 83 mm (3.3 in) over approximately 9 days, the humidity remains relatively high at 76%. In contrast, November brings a stark shift in conditions, with average temperatures dropping significantly to a low of -6°C (21°F) and a high of 19°C (66°F). This month also sees increased precipitation, measuring 102 mm (4.0 in) across about 10 days, and a slightly elevated humidity level of 80%. For more details on the weather in November, you can check Dennis weather in November.
In July, the weather is warm and mild, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (84°F) and an average of 21°C (71°F). The month sees a relatively moderate amount of rainfall, totaling 83 mm (3.3 in) across about 9 days, while humidity hovers around 76%. In contrast, December presents a much cooler climate, with temperatures dropping significantly, showing a minimum of -12°C (11°F) and an average of just 4°C (40°F), peaking at 15°C (60°F). Rainfall increases to 136 mm (5.4 in) over 12 days, and humidity rises slightly to 80%. For more detailed information about the conditions in December, you can visit Dennis weather in December.
July in Dennis stands out as a warm and vibrant month, with temperatures reaching their peak and offering a delightful contrast to the cooler spring and fall seasons. The average temperature hovers around a comfortable 21°C, inviting residents and visitors alike to bask in the outdoors. While humidity levels can feel quite high at 76%, the warmth is often balanced by refreshing ocean breezes. July also experiences more precipitation—notably, around 9 days of rain—compared to the drier months that precede it. Overall, this combination of warmth and occasional showers creates a lively summer atmosphere that's perfect for beach activities and exploring the natural beauty of the area. For a more detailed insight into Dennis's climate patterns, check out Dennis Climate.