Last updated: April 28, 2025
Experience the summer charm of Cornwall, Canada, in July, where temperatures soar to a maximum of 30°C (85°F), offering plenty of warm, sunny days. The average temperature floats around 20°C (67°F), providing a comfortable climate for outdoor activities. However, with a minimum of 11°C (52°F) during the cooler nights, it’s wise to pack a light jacket. July brings 68 mm (2.7 in) of precipitation over 10 days, contributing to the region's lush greenery, while humidity levels peak at an impressive 86%. Embrace the vibrancy of this picturesque locale, perfect for summer adventures and explorations!
In July, Cornwall, Canada, basks in the warmth of summer, showcasing a delightful range of temperatures that highlight its seasonal transformation. With minimum temperatures around 11°C (52°F) and averages peaking at 20°C (67°F), the month offers a pleasant reprieve from the frigid winter months. Daytime highs can soar to 30°C (85°F), inviting residents and visitors alike to embrace outdoor activities under the sun. This notable warmth is a stark contrast to the chilly January averages of -5°C (23°F), illustrating a significant shift as the region welcomes balmy days and vibrant summer nights. As Cornwall basks in the height of summer, the mild evenings and sunlit afternoons create a perfect backdrop for enjoying the season’s splendors.
In July, Cornwall experiences a noticeable dip in precipitation, with only 68 mm (2.7 in) falling over the month, making it one of the driest periods of the year. This is accompanied by a relatively low number of rainy days, just 10, marking a slight contrast to the wetter months preceding it. While June brings a substantial 97 mm (3.8 in) over the same number of days, July’s reduction hints at the arrival of summer's drier, sunnier conditions. As the region transitions into August, precipitation levels rise slightly once more to 73 mm (2.9 in), but the overall trend suggests a brief respite from the rain, allowing residents and visitors alike to enjoy the warm July days with a splash of sunshine.
In July, Cornwall, Canada, experiences a notable humidity level of 86%, mirroring the slightly higher figures seen in early spring. This peak aligns with the overall humidity trend throughout the year, which sees a gradual rise from the lower 82% in June to an average of 87% in August. The consistent levels, hovering around the mid-80s, contribute to a damp yet invigorating summer atmosphere. Notably, the humidity remains fairly stable across the months, highlighting Cornwall's moisture-rich climate. As the year progresses from winter's 84% to sweltering summer, residents and visitors alike can expect a lush and vibrant environment shaped by these elevated humidity levels.
In July, Cornwall, Canada typically experiences a UV Index of 8, categorized as very high, necessitating caution for outdoor activities as the burn time is just 15 minutes. This trend mirrors the June conditions, where the UV Index peaks at 10, emphasizing a summer pattern of heightened solar intensity. Following the mid-year months, both August and September maintain similar levels with a UV Index of 8 and 7, respectively, indicating that while the worst of the summer sun may pass, UV exposure remains significant. As you enjoy the warm weather, it's essential to stay protected and informed about the changing UV levels. For detailed insights, visit Cornwall UV Index.
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In July, Cornwall basks in the warm embrace of the sun, enjoying an impressive 341 hours of sunshine. This peak captures the essence of summer, standing out significantly against the earlier months, where the sun gradually gained strength from a modest 98 hours in January to 329 hours in June. As the summer stretches into August, the sunshine actually intensifies slightly, reaching 351 hours, suggesting that Cornwall's sunny days are far from over. The trend reveals a vibrant crescendo of light and warmth throughout the summer months, before gradually tapering off in September and beyond. Residents and visitors alike can relish July as a highlight in Cornwall's annual weather tapestry, a time when sunshine reclaims its throne.
In Cornwall, Canada, July offers a 27% chance of sunshine, a figure that reflects a noticeable dip compared to the sunnier stretches of late spring and early autumn. As summer unfolds, many look forward to basking in warm rays, yet July's probability of splendid weather feels somewhat modest, especially when contrasted with the more promising 44% in August. Interestingly, June offers a slightly higher likelihood of sun at 42%, hinting that while summer is well underway, it may be the transitional months that deliver the most agreeable conditions. Thus, while July certainly has its sunny days, those venturing to Cornwall may find themselves enjoying the best weather just before and after this peak summer month.
In July, Cornwall, Canada basks in a generous 15 hours of daylight, maintaining the peak of sunlight that began in June. This month marks a continuation of the bright trend established in the spring, where daylight hours increased steadily from January's modest 9 hours to an invigorating 14 hours in May. As the year progresses towards August, daylight begins to wane slightly, but it still offers a robust 14 hours, allowing residents and visitors to fully embrace the summer season. This pattern reflects a gradual increase of sunlight leading into summer, peaking in July, followed by a gentle decline as the days shorten towards autumn. The gradual shift emphasizes the vibrant warmth of July days, perfect for outdoor adventures and late-night gatherings.
In July, Cornwall, Canada experiences a notable dip in average wind speed, with a gentle breeze averaging 4.7 m/s (11 mph), making it one of the calmest months of the year. This decrease follows a gradual decline from the windy months of March and November, which both feature average speeds around 6.2 m/s (14 mph). As summer peaks, the lower winds create a serene atmosphere, contrasting sharply with the brisker conditions seen in the cooler months. August continues this trend, with even lighter winds at 4.6 m/s (10 mph), suggesting a season where tranquility prevails over turbulence, inviting outdoor enthusiasts to enjoy the warm summer days without the interference of strong gusts.
The weather in Cornwall 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 Cornwall and find detailed weather information for every month.
In July, the weather is generally warm and pleasant, with average temperatures hovering around 20°C (67°F) and a maximum of 30°C (85°F). Despite the warmth, it experiences moderate precipitation of 68 mm (2.7 in) over about 10 days, coupled with high humidity at 86%. In stark contrast, January brings significantly colder conditions, where temperatures can plummet to a minimum of -20°C (-3°F) and reach a maximum of just 14°C (58°F). January also sees slightly higher precipitation at 81 mm (3.2 in), spread over the same number of days, but with a slightly lower humidity level of 84%. For more details on the chilly January weather, you can visit Cornwall weather in January.
July and February present strikingly contrasting weather conditions. In July, temperatures range from a cool 11°C (52°F) at night to a warm 30°C (85°F) during the day, accompanied by high humidity at 86% and an average precipitation of 68 mm (2.7 in) over 10 days. In contrast, February experiences frigid conditions, with temperatures plummeting to a minimum of -20°C (-4°F) and averaging -5°C (22°F), peaking at just 9°C (49°F). Despite the chill, February sees slightly higher precipitation at 93 mm (3.7 in) over 12 days, with a humidity level of 84%. For more insights on weather specifics, check out Cornwall weather in February.
When comparing the weather in July and March, it's clear that these two months offer vastly different climates. July boasts a mild temperature range with a minimum of 11°C (52°F) and a maximum of 30°C (85°F), accompanied by relatively lower precipitation of 68 mm (2.7 in) over 10 days. In contrast, March presents a much colder environment, with temperatures plummeting to a minimum of -19°C (-2°F) and a maximum of only 11°C (53°F). Although March experiences higher precipitation levels at 75 mm (2.9 in) over 13 days, the humidity remains constant at 86% for both months. For more details on March weather, you can refer to this link: Cornwall weather in March.
When comparing the weather in July and April, there is a significant contrast in temperature and overall conditions. July enjoys much warmer temperatures, with a minimum of 11°C (52°F) rising to an average of 20°C (67°F) and peaking at 30°C (85°F). In contrast, April experiences much cooler temperatures, ranging from a chilly minimum of -8°C (18°F) to a maximum of 18°C (65°F), reflecting the gradual transition into spring. Precipitation levels are similar, with July receiving 68 mm (2.7 in) over 10 days and April slightly higher at 85 mm (3.4 in) over 12 days. Interestingly, both months share the same humidity level of 86%, but the overall experience of warmth and outdoor leisure tends to favor July. For a more detailed look at April conditions, check out Cornwall weather in April.
In comparing the weather between May and July, it's evident that July is significantly warmer, with average temperatures soaring to 20°C (67°F) and maximums reaching 30°C (85°F), while May sees much cooler averages of 9°C (49°F) and highs of 24°C (76°F). However, May experiences slightly higher precipitation, totaling 88 mm (3.5 in) over 13 days, compared to July's 68 mm (2.7 in) over 10 days. Humidity levels remain relatively similar, with July at 86% and May at 85%. For more specific insights into May weather patterns, you can check out Cornwall weather in May.
In comparing the weather conditions in July and June, July generally exhibits warmer temperatures, with minimums around 11°C (52°F) and an average of 20°C (67°F), while June experiences cooler nights, with a minimum of 0°C (33°F) and an average of 15°C (60°F). Interestingly, despite July having a slightly lower total precipitation of 68 mm (2.7 in) over 10 days compared to June's 97 mm (3.8 in) over 12 days, the humidity in July is notably higher at 86%, compared to June's 82%. For more detailed insights into June's weather patterns, you can check the link: Cornwall weather in June.
In comparing the weather patterns of July and August, both months exhibit similar temperature ranges, with minimums around 11°C (52°F), average temperatures of approximately 20°C (67°F), and maximums reaching 30°C (85°F) in July and 30°C (86°F) in August. However, August experiences slightly higher precipitation, totaling 73 mm (2.9 in) over the same number of rainy days as July, which recorded 68 mm (2.7 in). The humidity levels remain comparable, with July at 86% and August slightly increasing to 87%. Overall, while both months share a consistent climate, August tends to be a bit wetter and a touch more humid. For more detailed information, you can refer to Cornwall weather in August.
In July, temperatures are significantly warmer, with a minimum of 11°C (52°F) and an average of 20°C (67°F) reaching a maximum of 30°C (85°F), complemented by a high humidity of 86%. However, the month also sees around 68 mm (2.7 in) of precipitation over approximately 10 days. In contrast, September experiences cooler conditions with a minimum temperature of 3°C (38°F) and an average of 16°C (61°F), peaking at 27°C (82°F). The month is slightly wetter, with precipitation totaling 96 mm (3.8 in) across the same number of days, while humidity remains relatively constant at 85%. For further insights, you can check Cornwall weather in September.
In July, the weather is warm and inviting, with temperatures ranging from a minimum of 11°C (52°F) to a pleasant maximum of 30°C (85°F). The month experiences moderate precipitation, with around 68 mm (2.7 in) falling over approximately 10 days, and high humidity at 86%. In contrast, October brings much cooler temperatures, with a minimum of -2°C (29°F) and an average of 10°C (50°F), peaking at 24°C (75°F). Although October sees slightly more rainfall at 77 mm (3.0 in) over 11 days, the humidity remains relatively stable at 85%. For more details on October's weather, you can visit Cornwall weather in October.
In July, the weather is warm and pleasant, with average temperatures around 20°C (67°F) and maximum highs reaching up to 30°C (85°F). This month experiences notable humidity at 86%, along with 68 mm (2.7 in) of precipitation spread over about 10 days. In contrast, November brings a stark shift in climate, where temperatures drop significantly, with an average of just 4°C (39°F) and minimums plummeting to -12°C (10°F). Despite the chill, November sees even more precipitation, totaling 135 mm (5.3 in) over approximately 15 days, while humidity remains relatively high at 85%. For more details on the weather during this time, check out Cornwall weather in November.
July and December present stark contrasts in weather, showcasing the differences between summer and winter. In July, temperatures range from a cool 11°C (52°F) at night to a warm 30°C (85°F) during the day, with an average of 20°C (67°F). This month also sees significant humidity at 86% and about 68 mm (2.7 in) of precipitation over 10 days. In contrast, December offers a much colder climate, with temperatures dipping as low as -19°C (-3°F) and peaking at only 14°C (58°F), averaging around -2°C (29°F). While December is also wet, with 97 mm (3.8 in) of rain and precipitation over 13 days, the humidity remains relatively high at 84%. For more details on the weather in December, you can visit Cornwall weather in December.
July in Cornwall stands out as a vibrant summer month, where the warm sun can push temperatures to a maximum of 30°C (85°F). Unlike the cooler months, this peak warmth invites outdoor exploration and enjoyment of the lush scenery. Although the average temperature hovers around a comfortable 20°C (67°F), the higher humidity can make it feel more intense. Visitors can expect some rainfall as well, with about 68 mm (2.7 in) of precipitation spread over roughly 10 days, a stark contrast to the drier spells of spring. Overall, July offers a delightful blend of warmth and occasional refreshing showers, making it an ideal time to experience Cornwall's natural beauty. For more insights, check out the Cornwall Climate.