Last updated: April 22, 2025
July in St. John's, Canada is characterized by its warm days and cool evenings, with temperatures peaking at a maximum of 25°C (76°F) and hovering around an average of 15°C (58°F). As summer progresses, the nights can dip to a refreshing 6°C (43°F), providing a nice respite from daytime warmth. While residents and visitors enjoy the sunshine, they should also prepare for potential rain, as the month records approximately 100 mm (3.9 in) of precipitation over 10 days. With a high humidity level of 94%, the air feels moist and vibrant, typical of this picturesque coastal city.
In July, St. John's, Canada, embraces a refreshing warmth that marks the peak of summer. With minimum temperatures comfortably starting at 6°C (43°F) and rising to a delightful maximum of 25°C (76°F), this month contrasts strikingly with the frigid winter months that see temperatures plummet below freezing. The average temperature settles around 15°C (58°F), providing a perfect backdrop for outdoor activities and exploration. As the city receives longer daylight hours, the vibrant landscapes become more inviting, making July an ideal time for both locals and visitors to enjoy the beautiful coastal scenery in pleasantly mild weather. This month showcases a significant departure from the preceding cold months and serves as a reminder of St. John's enchanting summer charm.
In July, St. John's experiences a notable shift in precipitation patterns, with an average of 100 mm (3.9 in) of rain falling over just 10 days. This marks a slight increase from June’s total, suggesting that the summer months can still bring significant moisture to the region. Interestingly, while July's rainfall resembles that of March and April, it contrasts with the lighter precipitation seen in May and August. This trend hints at the transition of seasonal weather, where the summer warmth doesn't entirely halt the rain, offering a mixture of sunny days and summer showers that contribute to the lush landscape. As the province heads into August, the anticipated drop to 69 mm (2.7 in) indicates a return to drier conditions, rounding off the more humid summer season.
In July, St. John's experiences its peak humidity, soaring to 94%, making it the most humid month of the year. As the summer unfolds, moisture levels steadily climb from 83% in January to a notable high in July, reflecting a consistent trend of increasing humidity as warmer temperatures take hold. Following July, the humidity begins to wane slightly in August at 93%, after which it gradually decreases throughout the fall months. This rising and falling pattern suggests that while the summer heat brings a muggy ambiance, the autumn air eventually restores a more comfortable feel as the year progresses.
In July, St. John's experiences a very high UV Index of 9, requiring caution during outdoor activities as the burn time is just 15 minutes. This is part of a trend observed through the spring and summer months, as the UV Index escalates from a moderate 3 in February to a peak of 10 in June. While July sees a slight dip from June's intensity, it remains an important reminder of the need for sun protection. As summer progresses into August, the index remains substantial at 8, suggesting that despite the gradual decrease, residents and visitors alike should continue to prioritize skin safety. For more detailed information, check out St. John's UV Index.
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In July, St. John's basks in an impressive 286 hours of sunshine, making it one of the sunniest months of the year. This peak in sunlight follows a gradual buildup from the long winter months, with sunshine hours steadily increasing from 88 in January to 208 in April. As the city embraces summer, July's brilliance hints at the vibrant outdoor life that unfolds, paving the way for August, which shines even brighter with 306 hours. The sun-drenched days of mid-summer contrast sharply with the shorter, grayer days of November and December, where sunshine dips to 138 and 103 hours, respectively. This seasonal rhythm not only enhances the beauty of St. John's landscape but also invigorates the spirit of its residents and visitors alike.
When considering the likelihood of sunny weather in July in St. John's, Canada, it’s worth noting that the chance of clear skies sits at 25%, which is a slight dip compared to the late spring months of May and June, with their probabilities of 32% and 33%, respectively. Overall, July experiences a modest sunny disposition amidst a backdrop of fluctuating probabilities throughout the year. While summer brings a hopeful promise of sunshine, it trails behind the more favorable conditions of late summer and early autumn, specifically in September, which boasts a 38% chance of sunshine. This trend suggests that while July may not be the sunniest month, it still offers potential for those seeking brighter days in the bustling warmth of summer.
In July, St. John's, Canada, basks in an impressive 15 hours of daylight, maintaining the sunlit warmth felt from the previous month. This peak in daylight duration marks the culmination of a gradual increase that began in the depths of winter, where just 8 hours graced the city in January. As the year progresses, the lengthening days breathe life into the lush landscapes, providing ample time for outdoor activities under the vibrant summer sun. This trend of extended daylight continues to fade slightly into August, ushering in the early hints of autumn with 14 hours of daylight. Overall, July serves as a reminder of nature's cyclical dance, showcasing the longest days of the year and inviting residents and visitors alike to relish the abundant sunshine.
In July, St. John's experiences a noticeable dip in average wind speed, settling at 4.7 m/s (11 mph), the lowest point of the year. This decline follows a steady decrease throughout the spring and early summer months, where winds hovered around 5.0 m/s (11 mph) in June and gradually decreased as the warm days of summer took hold. The gentle breezes of July provide a contrast to the stronger gusts felt earlier in the year, particularly in the colder months where January and December register higher averages of 5.8 m/s (13 mph) and 7.2 m/s (16 mph), respectively. As the summer progresses, winds begin to pick up again in August, hinting at the cyclical nature of St. John's breezy climate, which is influenced by both seasonal changes and its coastal position.
The weather in St. John's 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 St. John's and find detailed weather information for every month.
In July, St. John's experiences mild temperatures with a minimum of 6°C (43°F) and a maximum of 25°C (76°F), averaging around 15°C (58°F). The month sees about 100 mm (3.9 in) of precipitation spread over 10 days, accompanied by high humidity levels of 94%. In contrast, January brings much colder weather, with temperatures ranging from a minimum of -14°C (7°F) to a maximum of 12°C (54°F), and an average of -2°C (29°F). This winter month has slightly higher precipitation at 113 mm (4.5 in) over 13 days, but lower humidity at 83%. For more detailed insights into the cold winter conditions, visit St. John's weather in January.
When comparing the weather in July and February, there is a stark contrast in temperatures and conditions. July typically sees milder temperatures, ranging from a minimum of 6°C (43°F) to a maximum of 25°C (76°F), with an average of 15°C (58°F). In contrast, February experiences much colder temperatures, with a minimum of -16°C (3°F), an average of -3°C (26°F), and a maximum of only 10°C (50°F). Despite both months receiving similar amounts of precipitation—100 mm (3.9 in) in July and 102 mm (4.0 in) in February—July has higher humidity at 94% compared to February's 84%. For more details on February weather in St. John's, you can visit St. John's weather in February.
In St. John's, July weather is significantly warmer than that of March, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 25°C (76°F) and an average of 15°C (58°F). In contrast, March experiences much colder conditions, with temperatures dipping as low as -14°C (8°F) and averaging -2°C (29°F), peaking at 13°C (55°F). Both months see similar levels of precipitation at 100 mm (3.9 in), but July experiences rain over 10 days compared to March’s 13 days. Additionally, while July brings high humidity at 94%, March maintains a lower humidity level of 85%. For a closer look at March weather, visit St. John's weather in March.
When comparing the weather between July and April, several notable differences emerge. July boasts a warmer temperature range, with minimums of 6°C (43°F), an average of 15°C (58°F), and maximums hitting 25°C (76°F). In contrast, April experiences much cooler temperatures, starting as low as -6°C (22°F) and only reaching a maximum of 15°C (60°F), with an average temperature of 2°C (36°F). Precipitation levels are similar, with July receiving 100 mm (3.9 in) over about 10 days, while April sees slightly more rainfall at 103 mm (4.0 in) across 14 days. The humidity is also notably higher in July at 94%, compared to April's 88%. For more specific insights, you can explore St. John's weather in April.
In comparing the weather of July and May, July experiences significantly warmer temperatures, with a minimum of 6°C (43°F) and an average of 15°C (58°F), peaking at 25°C (76°F). In contrast, May has cooler temperatures, ranging from a minimum of -3°C (27°F) to a maximum of 20°C (68°F), with an average of just 5°C (41°F). While both months see considerable precipitation, July averages 100 mm (3.9 in) over 10 days of rain, slightly less than May's 80 mm (3.1 in) over 12 days. Additionally, July has a higher humidity level at 94%, compared to May's 90%. For more detailed information, you can visit St. John's weather in May.
In comparing the weather of July and June, July tends to be warmer with a minimum temperature of 6°C (43°F) and an average of 15°C (58°F), while June's minimum temperature is cooler at 0°C (33°F) with an average of 10°C (51°F). Both months feature a similar maximum temperature, with July reaching 25°C (76°F) and June at 24°C (75°F). However, July experiences slightly more precipitation, totaling 100 mm (3.9 in) over 10 days, compared to June's 86 mm (3.4 in) over 12 days. Humidity levels are also higher in July at 94%, compared to June's 91%. For more detailed information, you can refer to St. John's weather in June.
In comparing the weather between July and August, July typically presents cooler temperatures with a minimum of 6°C (43°F) and an average of 15°C (58°F), reaching a maximum of 25°C (76°F). It is also marked by higher precipitation, totaling 100 mm (3.9 in) over 10 days, along with humidity levels hovering around 94%. Conversely, August brings a slight increase in warmth, with minimum temperatures rising to 8°C (46°F) and an average of 17°C (62°F), peaking at 27°C (80°F). Precipitation decreases to 69 mm (2.7 in), while humidity remains relatively stable at 93%. For more specific details about August weather, you can visit St. John's weather in August.
In July, the weather is typically warmer, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 25°C (76°F) and an average of 15°C (58°F). However, it also experiences high humidity levels at 94% and about 100 mm (3.9 in) of precipitation over 10 days. In contrast, September sees slightly cooler temperatures, with a minimum of 4°C (39°F) and an average of 13°C (56°F), peaking at a maximum of 24°C (75°F). The month also has higher precipitation, totaling 107 mm (4.2 in) over 11 days, and a lower humidity level of 90%. For more information on September weather, check out St. John's weather in September.
In July, the weather is generally warmer with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 25°C (76°F), resulting in an average of 15°C (58°F). The month is characterized by high humidity at 94% and experiences about 100 mm (3.9 in) of precipitation over 10 days. In contrast, October sees a significant drop in temperatures, with a minimum of 0°C (32°F) and an average of just 8°C (48°F), though it can still reach up to 22°C (72°F). The precipitation levels are slightly lower at 97 mm (3.8 in), but rain is more frequent, occurring over 12 days, while humidity decreases to 87%. For more detailed insights on October weather, visit St. John's weather in October.
The weather in July and November presents a stark contrast in St. John's, Newfoundland and Labrador. In July, temperatures range from a mild 6°C (43°F) at night to a pleasant 25°C (76°F) during the day, accompanied by high humidity levels of 94%. This month also sees about 100 mm (3.9 in) of precipitation spread over approximately 10 days. In contrast, November experiences much cooler temperatures, with lows dipping to -6°C (22°F) and highs peaking at 16°C (62°F). Precipitation increases slightly to 108 mm (4.3 in) over 13 days, and humidity drops to 84%. For more details about what to expect, visit St. John's weather in November.
July and December present starkly contrasting weather conditions. In July, temperatures range from a pleasant 6°C (43°F) at night to a comfortable 25°C (76°F) during the day, with an average of 15°C (58°F). The month experiences approximately 100 mm (3.9 in) of precipitation over about 10 days, accompanied by high humidity at 94%. In contrast, December sees much colder conditions, with temperatures dipping as low as -10°C (15°F) and averaging around 0°C (33°F). Precipitation rises to 133 mm (5.3 in) spread over 16 days, while humidity decreases to 83%. This comparison highlights the significant differences in climate that St. John's experiences between the summer and winter months. For more detailed information, you can check St. John's weather in December.
July in St. John's offers a refreshing break from the chill of other months, characterized by warmer temperatures and a notable spike in humidity. With an average temperature hovering around 15°C, residents and visitors alike enjoy the season's milder climate, making it ideal for outdoor activities. However, it's not without its wet days, as precipitation occurs on about a third of the month, contributing to the lush greenery that the region is known for. While the humidity can feel intense at times, it adds to the vibrant summer atmosphere, inviting exploration and adventure. For a deeper understanding of the city’s unique climate patterns, you can visit St. John's Climate.