Last updated: April 22, 2025
In Cornwall, Canada, June presents a delightful blend of warm temperatures and refreshing rain. With a maximum high reaching 29°C (84°F) and an average temperature of 15°C (60°F), residents and visitors alike can enjoy the beauty of early summer. However, the month also brings a touch of humidity at 82%, creating a lush atmosphere. Despite the occasional rainfall, totaling 97 mm (3.8 in) over 12 days, these showers help sustain the vibrant flora of the region, making June a picturesque time to experience the charm of Cornwall.
In June, Cornwall, Canada, welcomes the arrival of summer with mild temperatures that signify a refreshing change from the harsh winter months. With minimums averaging around 0°C (33°F) and maximums reaching 29°C (84°F), the month showcases a delightful range of temperatures, making it an ideal time for outdoor activities and gatherings. The average temperature settles at a comfortable 15°C (60°F), promoting vibrant gardens and vibrant community life as residents shake off the cold. The gradual warming trend from the frigid winter months to the balmy days of June reflects the region's transition into a season marked by longer days and lush landscapes, inviting everyone to enjoy the beauty of summer in Cornwall.
In June, Cornwall, Canada, experiences a noticeable uptick in precipitation, recording 97 mm (3.8 in) over 12 days. This marks a significant increase compared to previous months, with May's average at 88 mm (3.5 in) and only 13 days of rainfall. The pattern reveals a shift as warmer months approach, contributing to the region's lush landscapes. Notably, June stands out with the highest rainfall before a drop in July, where precipitation dips to 68 mm (2.7 in). This steady rhythm of precipitation plays a crucial role in shaping Cornwall's vibrant summer environment, highlighting the town's balance between wet and dry spells.
June in Cornwall, Canada, brings a slight respite from the peak humidity of the earlier months, with levels dropping to 82%. This shift marks a transition as the region, which starts the year with consistently high humidity—hovering around 84% to 86% from January through May—begins to experience a more varied climate. While July ramps up the humidity again to 86%, June serves as a brief interlude, hinting at the summer’s potential comfort amidst the lush surroundings. As the summer rolls on, residents can expect humidity to rise again, creating that quintessential Canadian summer atmosphere.
As summer unfolds in Cornwall, Canada, June marks a peak in UV exposure, boasting a UV Index of 10—a significantly high level that calls for caution. With a burn time of just 15 minutes, it’s essential to take protective measures during this month, as the risk of skin damage escalates. Following a gradual increase from earlier months, where UV levels reached 5 in March and soared to 8 by May, June solidifies the trend of heightened sun intensity typical of the season. This pattern continues into the summer, with July and August maintaining an UV Index of 8, indicating that sun safety remains paramount throughout these months. Whether you're heading outdoors for recreation or relaxation, it’s crucial to stay informed and prepared. For more detailed information, check the Cornwall UV Index.
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In June, Cornwall, Canada, basks in the bliss of sunshine with a remarkable 329 hours of daylight, marking a peak in the year’s sunlit offerings. As we transition from the chill of winter with just 98 hours in January, the steady climb toward summer reveals a vibrant pattern of increasing sunlight, culminating in the sunniest months of July and August. After basking in the warmth of June’s rays, residents and visitors alike can enjoy lengthy days that stretch into the late evenings. Following a slow decline as the seasons shift into autumn, September retains a generous 271 hours, before the sunlight gradually recedes into the cooler, shorter days of October and beyond. This gradual pattern underscores the beauty of Cornwall's seasonal rhythms, inviting all to revel in the sunny embrace of June before the days begin their annual retreat.
In June, Cornwall, Canada, experiences a notable 42% chance of sunny weather, marking a peak in the transition from spring to summer. This figure reflects a gradual increase from the cooler months, with sunny probabilities climbing from a mere 16% in January to a moderate 41% in May. June stands out as a promising month, just shy of the heights reached in August, where the likelihood of sunshine is at 44%. Interestingly, the sunny days start to wane again in July, dropping down to 27%, indicating that June offers a unique window of opportunity for outdoor activities and enjoyment of warmer weather. Embracing this brief, bright period could yield some truly memorable experiences in the beautiful landscapes of Cornwall.
In June, daylight in Cornwall, Canada, reaches a delightful peak of 15 hours, illuminating the long summer days that beckon outdoor adventures and social gatherings. This surge in daylight follows a gradual ascent from 9 hours in January, with each month leading to a notable increase—10 hours in February and 11 in March. By the time April rolls around, daylight extends to 13 hours, setting the stage for the vibrant warmth of May, which brings 14 hours of light. As June transitions into July, daylight remains steady at 15 hours, allowing residents and visitors alike to fully embrace the splendor of summer. However, as the seasons shift towards autumn, daylight begins to taper off, descending to 14 hours in August and further down to 12 in September, reminding us of the fleeting nature of summer but leaving us with cherished memories of long, sun-kissed days.
In June, Cornwall experiences a gentle breeze with an average wind speed of 5.4 m/s (12 mph), maintaining a similar feeling to the preceding months. As spring transitions into summer, the winds remain relatively consistent, reflecting a broader trend of moderate wind speeds from January through May. Following June, July sees a dip to 4.7 m/s (11 mph), suggesting a calming atmosphere as summer settles in. Interestingly, while wind speeds fluctuate throughout the year, they tend to peak during the winter months, particularly in December at 6.2 m/s (14 mph). This gradual decline in wind speed as summer approaches invites residents and visitors alike to enjoy the tranquility of Cornwall’s early summer days.
The weather in Cornwall changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of June'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 June, temperatures in Cornwall range from a chilly minimum of 0°C (33°F) to a warm average of 15°C (60°F) and can peak at a comfortable 29°C (84°F). The month experiences relatively high humidity at 82% and notable precipitation of 97 mm (3.8 in) over approximately 12 rainy days. In contrast, January presents a much colder climate, with temperatures dropping as low as -20°C (-3°F) and an average of -5°C (23°F), reaching a maximum of 14°C (58°F). Despite fewer rainy days—about 10—total precipitation is still significant at 81 mm (3.2 in) with a similar humidity level of 84%. For more detailed insights on January weather specifics, you can visit Cornwall weather in January.
June and February present starkly contrasting weather conditions. In June, temperatures range from a chilly 0°C (33°F) at night to a pleasant maximum of 29°C (84°F) during the day, with an average of 15°C (60°F). The month experiences significant rainfall, with 97 mm (3.8 in) of precipitation spread over 12 days, while humidity remains high at 82%. In contrast, February is much colder, with temperatures dipping as low as -20°C (-4°F) and a maximum of only 9°C (49°F), resulting in an average temperature of -5°C (22°F). February also sees a similar amount of precipitation, at 93 mm (3.7 in) over 12 days, but the humidity is slightly higher at 84%. For a closer look at February weather, visit Cornwall weather in February.
In comparing the weather between March and June, there is a stark contrast in temperature and overall climatic conditions. June enjoys a much milder range, with temperatures soaring from a minimum of 0°C (33°F) to a maximum of 29°C (84°F) and an average of 15°C (60°F). In contrast, March is considerably colder, featuring temperatures ranging from a frigid -19°C (-2°F) to a maximum of 11°C (53°F), with an average of only -2°C (28°F).
Precipitation levels also differ, with June receiving 97 mm (3.8 in) over 12 days, compared to March's 75 mm (2.9 in) occurring over 13 days. Humidity levels remain similar, with June at 82% and March slightly higher at 86%. For a more detailed look at March weather, visit Cornwall weather in March.
In comparing the weather of June and April, June presents a much warmer profile, with temperatures ranging from a minimum of 0°C (33°F) to a maximum of 29°C (84°F) and an average of 15°C (60°F). April, on the other hand, is notably cooler, with temperatures varying between -8°C (18°F) and 18°C (65°F), averaging just 4°C (39°F). While both months see about 12 days of precipitation, April's rainfall is slightly less at 85 mm (3.4 in) compared to June's 97 mm (3.8 in). Humidity levels are relatively high in both months, with April at 86% and June at 82%. For more detailed insights, you can check Cornwall weather in April.
In comparing the weather of May and June, June brings warmer temperatures overall, with a minimum of 0°C (33°F), an average of 15°C (60°F), and a maximum reaching 29°C (84°F). In contrast, May starts cooler, with temperatures dipping as low as -3°C (27°F) and only averaging 9°C (49°F) with a maximum of 24°C (76°F). Precipitation is slightly higher in June at 97 mm (3.8 in) over 12 days, compared to May's 88 mm (3.5 in) across 13 days. Humidity levels are also comparable, with June at 82% and May slightly higher at 85%. For more detailed information about May's weather, you can check Cornwall weather in May.
June and July display notable differences in weather patterns. In June, temperatures range from a chilly 0°C (33°F) at night to a warm 29°C (84°F) during the day, with an average of 15°C (60°F). This month also sees significant rainfall, totaling 97 mm (3.8 in) over 12 days and maintaining a high humidity level of 82%. In contrast, July offers a milder experience, with minimum temperatures increasing to 11°C (52°F) and averaging 20°C (67°F), peaking at 30°C (85°F). Precipitation decreases to 68 mm (2.7 in) over just 10 days, and humidity rises slightly to 86%. For more insights on July weather, check out Cornwall weather in July.
June and August offer distinct weather patterns, showcasing the transition from early summer to late summer. In June, temperatures range from a minimum of 0°C (33°F) to a maximum of 29°C (84°F), with an average of 15°C (60°F). The month sees significant precipitation, averaging 97 mm (3.8 in) over 12 days, coupled with a humidity level of 82%. In contrast, August tends to be milder, with temperatures ranging from a minimum of 11°C (51°F) to a maximum of 30°C (86°F) and an average of 20°C (68°F). There is less rainfall in August, totaling 73 mm (2.9 in) over 10 days, and humidity rises slightly to 87%. For more detailed insights on August weather patterns, you can visit Cornwall weather in August.
June and September exhibit mild and relatively similar weather patterns, though each month carries its distinct characteristics. June boasts an average temperature of 15°C (60°F), with highs reaching up to 29°C (84°F), making it the warmer of the two months. In contrast, September's average temperature of 16°C (61°F) reveals a slight increase, although it has a lower maximum temperature of 27°C (82°F). Both months experience comparable precipitation levels, with June seeing 97 mm (3.8 in) over 12 days and September slightly bettering it with 96 mm (3.8 in) over just 10 days. Humidity levels are slightly higher in September at 85%, compared to June's 82%. For more detailed insights, you can check Cornwall weather in September.
June and October present distinct weather patterns, reflecting the transition from spring to autumn. In June, temperatures range from a chilly 0°C (33°F) at night to a warm 29°C (84°F) during the day, with an average of 15°C (60°F). The month typically sees around 97 mm (3.8 in) of precipitation over 12 days, accompanied by a high humidity level of 82%. In contrast, October experiences cooler temperatures, with a minimum of -2°C (29°F) and a maximum of 24°C (75°F), averaging 10°C (50°F). While October has slightly less precipitation at 77 mm (3.0 in) over 11 days, humidity remains high at 85%. For a closer look at how October weather unfolds, you can check Cornwall weather in October.
June and November showcase strikingly different weather patterns. In June, temperatures range from a chilly 0°C (33°F) at night to a warm 29°C (84°F) during the day, with an average of 15°C (60°F). The month sees about 97 mm (3.8 in) of precipitation over 12 days, alongside relatively high humidity levels at 82%. In contrast, November experiences much colder conditions, with nighttime lows dropping to -12°C (10°F) and daytime highs reaching only 20°C (68°F) for an average of 4°C (39°F). This month also brings more precipitation, totaling 135 mm (5.3 in) across 15 days and slightly higher humidity at 85%. For those interested in more detailed information, visit Cornwall weather in November.
June and December present strikingly contrasting weather patterns. In June, temperatures range from a chilly 0°C (33°F) at night to a warm maximum of 29°C (84°F) during the day, with an average of 15°C (60°F). The month experiences significant rainfall, totaling 97 mm (3.8 in) over 12 days, accompanied by a high humidity of 82%. In contrast, December features much colder temperatures, with lows plummeting to -19°C (-3°F) and an average of -2°C (29°F), peaking at only 14°C (58°F). Despite similar precipitation levels of 97 mm (3.8 in), December experiences slightly more rainy days at 13, and higher humidity at 84%. For more details on December weather in Cornwall, you can visit Cornwall weather in December.
June in Cornwall marks a delightful transition into summer, characterized by a mild average temperature that invites locals and visitors alike to enjoy the great outdoors. While the days can peak with warmth reminiscent of summer, the evenings remain comfortably cool. Although June is not the driest month, with occasional rain, it still offers a vibrant atmosphere enhanced by lush greenery and blooming flowers. The higher humidity levels add a tropical feel, creating a unique blend of refreshing coastal breezes and warmth. For those looking to plan their trip or learn more about what to expect throughout the year, visit Cornwall Climate for comprehensive insights.