Last updated: February 24, 2025
Experience the vibrant July weather in Hyannis, United States, where the summer heat offers a delightful mix of warmth and humidity. With a maximum temperature reaching 29°C (84°F) and an average of 21°C (71°F), this coastal gem invites outdoor adventures. However, be prepared for occasional showers, as the month sees 83 mm (3.3 in) of rainfall over 9 days, contributing to the 76% humidity that enhances the lush landscape. Embrace the beauty of summer in Hyannis, where each day is a tapestry of sunshine and refreshing coastal breezes.
In Hyannis, United States, July heats up with a noticeable shift in temperatures, marking a peak in summer warmth. The month typically sees a minimum temperature of around 16°C (61°F), while the average climbs to a comfortable 21°C (71°F), making it ideal for outdoor activities. On the warmer side, temperatures can soar to a max of 29°C (84°F), providing a perfect backdrop for beach outings and summer festivals. This warm weather trend is a stark contrast to the frigid winter months, reflecting a vibrant seasonal change that invites both locals and tourists to enjoy the sun-soaked days and balmy evenings. The consistent rise in temperatures from June to July signifies the height of summer, ensuring that Hyannis basks in radiant sunshine.
In July, Hyannis experiences a notable dip in precipitation, with an average of 83 mm (3.3 in) falling over just 9 days. This marks a decrease from the wetter months prior, such as April and May, which recorded 137 mm (5.4 in) and 119 mm (4.7 in) respectively. As summer reaches its peak, residents enjoy relatively drier conditions, fostering outdoor activities and events. Comparatively, August follows closely behind with 82 mm (3.2 in), continuing the trend of lower precipitation. This shift signals a transition into the drier season, making July a favorable time for soaking up the sunny coastal vibes of this charming seaside town.
In Hyannis, July brings a moderate humidity level of 76%, following a slight decrease from the more humid summer months of June and August, which both also sit at 76%. This level is notably lower than the peak humidity recorded in the earlier months of the year, such as January and February, both at 84%. The transition from the wetter spring months, where humidity gradually declines from 79% in April to 75% in May, illustrates a trend of decreasing humidity as the summer progresses. As we move through the latter half of the year, September through December maintains a steady range between 75% and 80%, creating a distinctive humidity pattern that influences the region's climate. Overall, July offers a refreshing break from the peak summer humidity, marking an inviting time for outdoor activities in this coastal town.
In July, Hyannis, United States, continues to experience a very high UV Index of 9, similar to June and August. With a burn time of just 15 minutes, it’s crucial for residents and visitors to exercise caution when enjoying outdoor activities. As summer peaks, the UV Index has shown a distinct trend of increasing values from January's moderate Index of 3 to these elevated figures, reflecting both the intensity of the sun and the shorter burn time as the months progress. This pattern emphasizes the importance of sun protection during summer, especially when engaging in prolonged exposure. Stay informed and protected! For more details, check out the full guide on the Hyannis UV Index.
UV Risk Categories
In July, Hyannis basks in a glorious 346 hours of sunshine, marking the peak of summer joy. This month shines brightly against the backdrop of the year, boasting more sunlight than any other, following a steady ascent since January's 142 hours. The trend is evident as the days grow longer and warmer, with dramatic increases in sunshine hours from the spring bloom in March to the full summer vibrance in July. After this sunny zenith, the sunshine gently tapers off into August, yet remains a generous 330 hours. This gradual decline hints at the seasonal transition, reminding us of the fleeting beauty of summer and the anticipation of autumn's softer glow.
In July, Hyannis experiences a 37% chance of sunny weather, reflecting a slight dip compared to the preceding months. This trend fits into a broader pattern observed throughout the year, where early summer tends to be less reliable than spring's peak sun in March at 57%. Although July is warmer, it shows a modest decline in sunshine probability when aligned with the summer months, such as August at 35% and June at 38%. Interestingly, this pattern hints that while July may not guarantee sunny skies, its allure lies in the balance of warm weather and occasional clouds, making it a mixed but enjoyable time for visitors.
In July, daylight in Hyannis reaches a delightful 14 hours, marking a peak in the summer months. This extended daylight is a continuation of the gradual increase observed from the 9 hours in January to the 15 hours of June. Following the exuberant summer solstice, the daylight hours start to taper off slightly in August, showing the natural ebb and flow of the seasons. The pattern illustrates a vibrant summer season, where longer sunny days encourage outdoor activities, before transitioning into the gradually shorter days of fall. With such a transformation throughout the year, Hyannis residents experience the enthusiasm of summer while also preparing for the cozy months ahead.
In July, the winds in Hyannis take a gentle turn, averaging 5.2 m/s (12 mph), marking the lowest wind speed of the year. This represents a noticeable decline from the brisker conditions of earlier months, peaking at 7.2 m/s (16 mph) in February and maintaining a steady pace through spring. As summer settles in, the breezes mellow further into August with speeds dipping to 4.8 m/s (11 mph). Overall, the trend showcases a gradual decrease in wind strength during the warmest months, inviting calm afternoons by the shore and perfect conditions for a leisurely summer escape.
The weather in Hyannis 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 Hyannis and find detailed weather information for every month.
In July, the weather is warm and inviting, with average temperatures around 21°C (71°F) and maximums reaching up to 29°C (84°F), contrasted sharply by January's cold conditions, where the average temperature drops to just 2°C (36°F) and can plummet to a minimum of -14°C (6°F). July experiences some rainfall, with 83 mm (3.3 in) over about 9 days and a humidity level of 76%, whereas January sees slightly more precipitation at 94 mm (3.7 in) over 10 days and a higher humidity of 84%. This stark contrast highlights polar differences in seasonal weather, showcasing the warm, humid summer days of Hyannis versus the chilly, damp winter months. For more details, check Hyannis weather in January.
When comparing weather in July and February, it's clear that these two months present stark contrasts. July boasts mild temperatures, with average highs reaching 29°C (84°F) and a humid environment at 76%. Although it sees some precipitation, averaging 83 mm (3.3 in) over approximately 9 days, the warmth makes it a popular time for outdoor activities. In contrast, February is much colder, with temperatures averaging just 2°C (36°F), and lows plunging to -12°C (10°F). Additionally, February experiences greater precipitation, totaling 123 mm (4.8 in) over 12 days, accompanied by higher humidity levels of 84%. For those looking to understand more about the winter ambiance, visit Hyannis weather in February.
When comparing the weather in July and March, it's evident that the two months are vastly different in terms of temperature and conditions. July experiences much warmer temperatures, with an average of 21°C (71°F) and highs reaching up to 29°C (84°F), while March is considerably cooler, averaging only 3°C (38°F) and peaking at 13°C (56°F). Interestingly, March sees a higher total precipitation of 118 mm (4.7 in) over approximately 10 days, compared to July's 83 mm (3.3 in) over 9 days. Humidity levels are also quite similar, with July at 76% and March slightly higher at 82%. For those interested in a more detailed look at March weather, you can check out Hyannis weather in March.
In July, the weather 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 the cooler April temperatures which range from 1°C (33°F) to 16°C (60°F). July also features lower precipitation levels at 83 mm (3.3 in) over 9 days, while April experiences more rainfall at 137 mm (5.4 in) across 13 days. Additionally, the humidity in July is 76%, slightly less than April's 79%, making July feel more comfortable despite the higher temperatures. For further details on the weather in April, visit Hyannis weather in April.
When comparing the weather in July and May, July is notably warmer, with average temperatures ranging from a minimum of 16°C (61°F) to a maximum of 29°C (84°F), while May sees lower temperatures, with averages between 5°C (41°F) and 21°C (70°F). July experiences less precipitation overall, with 83 mm (3.3 in) over 9 days compared to May's 119 mm (4.7 in) across 12 days. Humidity levels remain fairly consistent, with July at 76% and May at 75%. For more insights into the weather in May, check out Hyannis weather in May.
In comparing the weather between June and July, July generally offers warmer temperatures, with a minimum of 16°C (61°F) and an average of 21°C (71°F), compared to June's minimum of 10°C (51°F) and average of 17°C (63°F). July reaches higher maximum temperatures as well, peaking at 29°C (84°F) versus June's maximum of 24°C (76°F). Despite the warmer temperatures, July experiences slightly less precipitation at 83 mm (3.3 in) over 9 days, compared to June's 91 mm (3.6 in) over 10 days. Humidity remains relatively consistent, with July at 76% and June at 78%. For more details on June weather, you can visit Hyannis weather in June.
In comparing the weather of July and August, we see some notable similarities and minor differences. July typically experiences a minimum temperature of 16°C (61°F) and an average of 21°C (71°F), peaking at a maximum of 29°C (84°F). In contrast, August maintains the same minimum temperature of 16°C (61°F) but has a slightly higher average of 22°C (72°F) and a cooler maximum of 27°C (81°F). Precipitation levels are fairly consistent, with July receiving 83 mm (3.3 in) over 9 days, while August sees 82 mm (3.2 in) over 8 days, and both months share a humidity level of 76%. For more details, you can check Hyannis weather in August.
In comparing the weather conditions of July and September, we notice a gradual shift towards cooler temperatures as summer transitions into autumn. July boasts a minimum temperature of 16°C (61°F) and averages around 21°C (71°F), reaching a maximum of 29°C (84°F), while September dips to a minimum of 13°C (56°F) and an average of 19°C (67°F), peaking at 25°C (78°F). Additionally, September experiences an increase in precipitation, with 118 mm (4.7 in) over 10 days, compared to July's 83 mm (3.3 in) across 9 days. Despite these changes, humidity remains relatively constant, with July at 76% and September slightly lower at 75%. For a more detailed insight into the weather patterns during this month, you can check out Hyannis weather in September.
In July, the weather is typically warm, 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) overall. While it does experience some precipitation, with 83 mm (3.3 in) over about 9 days, the humidity remains relatively high at 76%. In contrast, October brings considerably cooler temperatures, with a minimum of 4°C (39°F) and an average of 15°C (59°F), peaking at around 22°C (72°F). Additionally, October sees increased rainfall, with 175 mm (6.9 in) over 12 days, and a slightly lower humidity of 75%. For a detailed look at weather specifics, you can check Hyannis weather in October.
In July, the weather tends to be warm and humid, with average temperatures ranging from a mild 21°C (71°F) to a high of 29°C (84°F), accompanied by 83 mm (3.3 in) of precipitation over about 9 days. In contrast, November brings a much cooler climate, where temperatures can dip to as low as -6°C (21°F) and average around 9°C (48°F), with a maximum of 19°C (66°F). Rainfall is slightly higher in November, totaling 102 mm (4.0 in) over approximately 10 days, along with a slight increase in humidity to 80%. For a closer look at the weather specifics during this time, check out Hyannis weather in November.
The weather in July is characterized by warm temperatures, with a minimum of 16°C (61°F), an average of 21°C (71°F), and a maximum reaching 29°C (84°F). In contrast, December experiences much colder conditions, featuring a minimum of -12°C (11°F), an average of 4°C (40°F), and a maximum of 15°C (60°F). While July sees relatively low precipitation at 83 mm (3.3 in) over 9 days, December brings increased precipitation totaling 136 mm (5.4 in) across 12 days, alongside higher humidity levels of 80% compared to July's 76%. For more details on December weather, check out Hyannis weather in December.
In Hyannis, July stands out as a vibrant month where warm temperatures invite longer beach days and outdoor activities. With an average temperature hovering in the low 20s°C and peaks reaching up to 29°C, it offers a sun-soaked contrast to the cooler spring and autumn months. However, expect occasional rain, as July typically sees around nine days of precipitation, which keeps the lush greenery vibrant. The higher humidity levels can make the heat feel a bit more intense, but it's all part of the seaside charm that draws visitors during the summer. For those planning a trip, understanding these unique weather patterns can enhance your experience. For more detailed insights, visit Hyannis Climate.