Last updated: March 17, 2025
In July, Southampton experiences a delightful mix of summer warmth and occasional showers. With a maximum temperature reaching 31°C (88°F) and an average of 18°C (65°F), the days are perfect for enjoying the vibrant city and its picturesque surroundings. However, temperatures can dip to a minimum of 7°C (46°F) during cooler nights. This month sees an average precipitation amount of 58 mm (2.3 in), spread over about 11 days, contributing to a relatively humid atmosphere at 71%. Visitors can expect warm, sunny days interspersed with refreshing rain, making July an engaging time to explore Southampton's charm.
In July, Southampton enjoys a delightful burst of summer warmth, with temperatures that usher in the peak of the season. The month typically sees minimum temperatures around 7°C (46°F), providing a comfortable start to warmer evenings. The average temperature rises to 18°C (65°F), making it an ideal time for outdoor activities, festivals, and beach outings. With maximum temperatures reaching up to 31°C (88°F), it's no surprise that July is favored by locals and visitors alike. This significant increase from earlier months highlights a transition from chilly spring to balmy summer, illustrating how July captures the essence of a quintessential British summer experience.
In July, Southampton experiences a moderate precipitation total of 58 mm (2.3 in), falling slightly below the wet months of June and August. With 11 days of rain, it reflects a consistent summer pattern where light showers often intermingle with warm, sunny spells. Compared to the preceding month, July shows a decrease in rainfall, suggesting a brief respite from the heavier summer downpours that typically occur earlier in the season. The precipitation trend for the year highlights a gradual increase leading up to July, after which it sees an uptick again in August, hinting at the transitioning weather patterns as the region moves towards autumn.
In July, Southampton experiences a notable dip in humidity, dropping to 71%, the lowest level of the year. This decline signals the onset of summer, as the coastal city enjoys warmer temperatures and generally more comfortable conditions. The transition from the more humid spring months, where humidity hovers around the 79-86% range, brings a breath of fresh air and an opportunity for residents and visitors alike to enjoy outdoor activities. However, as summer progresses into August, humidity levels start to rise again to 76%, hinting at the cyclical nature of Southampton's climate. This pattern illustrates not only the varied atmospheric conditions throughout the year but also emphasizes July as a sweet spot for those seeking a milder, drier coastal experience.
In July, Southampton basks under a very high UV Index of 8, mirroring the intensity seen in June. This means that sun safety becomes a priority, with a quick burn time of just 15 minutes for unprotected skin. Such high levels of UV radiation prompt a rise in caution as summer reaches its peak, contrasting sharply with the low to moderate levels experienced in the earlier months of the year. As the season progresses, the UV Index in Southampton shows a slight decrease in August, dropping to a high of 7, but the importance of protection remains evident. Staying informed about the UV Index can make a significant difference to your summer experience; for detailed insights, check out the Southampton UV Index.
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In July, Southampton basks in 395 hours of sunshine, marking the peak of the summer season and solidifying its reputation as a sun-soaked destination. This month showcases a significant leap from the previous months, following a gradual climb from 316 hours in April and 384 hours in May. The sun’s vibrant presence not only enhances outdoor activities but also invites locals and tourists alike to revel in the warmth. Following July, there’s a noticeable decline as August offers 354 hours, yet the city's summer charm lingers. This pattern illustrates how the heart of summer in Southampton brings an abundance of daylight, making it an ideal time for picnics, beach outings, and outdoor festivals, setting the stage for a delightful respite before the days gradually shorten in autumn.
In Southampton, July offers a decent likelihood of sunshine, with a 38% chance of enjoying bright days outdoors. This marks a slight increase from the cooler months of June and May, which feature only 29% and 36% sunny days, respectively. As summer peaks, the sun's presence becomes more pronounced, though it still remains lower than the sunshine probabilities in both April and March, showcasing a notable seasonal trend. Comparatively, while July's chances are better than the drearier months like January and December—hovering around 22%—they trail behind the vibrant sunshine of spring, indicating that while summer is in full swing, a careful eye on the clouds might still be wise.
In Southampton, United Kingdom, July offers a delightful reprieve with approximately 15 hours of daylight, providing ample time to enjoy the vibrant summer days. This month experiences a slight decrease in daylight compared to June’s peak of 16 hours, but it maintains a remarkable brightness that began in May with 15 hours. The trend of increasing daylight through spring leads to the sunniest months of the year, with July serving as a beautiful culmination before the gradual retreat into shorter days. As summer transitions to autumn, the daylight diminishes, dropping to 14 hours in August and then further to 12 hours in September, inviting a cozy transition from warmth to the cooler months ahead.
In July, Southampton experiences a mild average wind speed of 3.4 m/s (8 mph), reflecting a slight uptick from the previous months of June and April. This gentle breeze adds a pleasant touch to the summer atmosphere, creating an inviting environment for outdoor activities along the coast. Notably, July's wind speeds are on par with early spring months like March, but they remain lower than the autumn months, which typically see stronger gusts. As summer unfolds, the calming winds contribute to those idyllic sunny days, perfect for enjoying the vibrant local culture and scenic waterfront views.
The weather in Southampton 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 Southampton and find detailed weather information for every month.
In July, Southampton experiences warmer temperatures, with a minimum of 7°C (46°F) and a maximum of 31°C (88°F), averaging around 18°C (65°F). The month sees about 58 mm (2.3 in) of precipitation over approximately 11 days, while humidity levels hover around 71%. In stark contrast, January brings much colder conditions, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 14°C (57°F), averaging just 5°C (42°F). Although January has slightly less precipitation at 52 mm (2.1 in) over 10 days, it is characterized by a higher humidity level of 91%. For more insights on winter conditions, you can check Southampton weather in January.
July and February present stark contrasts in weather patterns. July features milder temperatures with a minimum of 7°C (46°F), an average of 18°C (65°F), and a maximum of 31°C (88°F), along with relatively moderate precipitation of 58 mm (2.3 in) over 11 days and a humidity level of 71%. In contrast, February experiences much colder conditions, with temperatures ranging from a minimum of -6°C (21°F) to a maximum of 16°C (62°F) and an average of only 6°C (44°F). The precipitation in February is slightly higher at 60 mm (2.4 in), also spread over 11 days, but the humidity is notably higher at 89%. For more details, visit Southampton weather in February.
The weather in July is generally warmer and more variable compared to March. With temperatures ranging from a minimum of 7°C (46°F) to a maximum of 31°C (88°F), July enjoys an average temperature of 18°C (65°F) and experiences significant warmth. In contrast, March sees much cooler temperatures, with a minimum of -6°C (22°F) and a maximum of 20°C (68°F), culminating in an average of 8°C (46°F).
While July has lower precipitation at 58 mm (2.3 in) over 11 days, March is slightly wetter, with 67 mm (2.6 in) over 13 days. Additionally, March tends to be more humid, averaging 86%, compared to July's 71%. For a closer look at the specifics of March weather, visit Southampton weather in March.
In comparing the weather of July and April, it's clear that July tends to be much warmer and drier. July experiences a minimum temperature of 7°C (46°F) and an average of 18°C (65°F), reaching highs of up to 31°C (88°F). In contrast, April starts off cooler with minimum temperatures plummeting to -3°C (27°F), averaging around 10°C (49°F) and peaking at 24°C (76°F). Precipitation is also less prevalent in July, with 58 mm (2.3 in) over 11 days, compared to April's 39 mm (1.5 in) across just 7 days. Additionally, humidity levels are higher in April at 85%, while July sees an average of 71%. For a more detailed look at April's weather, you can check Southampton weather in April.
When comparing the weather in July and May, notable differences emerge. July experiences warmer temperatures, with a minimum of 7°C (46°F) and an average of 18°C (65°F), reaching a maximum of 31°C (88°F). In contrast, May has cooler temperatures, ranging from a minimum of 1°C (33°F) to a maximum of 25°C (77°F), with an average of 13°C (55°F). Interestingly, while July has slightly less precipitation at 58 mm (2.3 in) over 11 days, May records more rainfall at 70 mm (2.8 in) over just 10 days. Additionally, July has a humidity level of 71%, compared to May's higher humidity of 79%, making May feel more humid overall. For a more detailed look at May weather specifics, you can check Southampton weather in May.
In comparing the weather of June and July, July tends to be slightly warmer, with average temperatures rising from 16°C (61°F) in June to 18°C (65°F) in July. The maximum temperature also sees a small increase, reaching up to 31°C (88°F) in July compared to 30°C (87°F) in June. However, July experiences less precipitation, totaling 58 mm (2.3 in) over 11 days, in contrast to June's heavier rainfall of 83 mm (3.3 in) over 10 days. Additionally, June has a higher humidity level at 80%, compared to July's 71%. For a more detailed look, you can check out Southampton weather in June.
In comparing the weather of July and August, both months experience similar temperature ranges, with July boasting a slightly higher average temperature of 18°C (65°F) compared to August's 17°C (63°F). While the maximum temperatures are nearly identical, peaking at 31°C (88°F) in July and reaching 31°C (89°F) in August, the minimum temperatures remain consistent at 7°C (46°F) in July and 7°C (45°F) in August. However, August sees increased precipitation, with 71 mm (2.8 in) over 12 days, compared to July's 58 mm (2.3 in) over 11 days. Humidity levels also rise slightly in August, averaging 76%, up from July's 71%. For a detailed look at the August weather in Southampton, you can visit Southampton weather in August.
In July, the weather is generally warmer, with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 31°C (88°F) and an average of 18°C (65°F). The month receives about 58 mm (2.3 in) of precipitation over 11 days, with humidity levels around 71%. In contrast, September sees cooler temperatures, with a minimum of 3°C (37°F) and a maximum of 28°C (82°F), leading to an average of 15°C (59°F). Precipitation decreases to 47 mm (1.9 in) spread across 9 days, while humidity rises slightly to 82%. For more detailed insights on September weather, you can check Southampton weather in September.
In July, the weather often sees a wide range of temperatures, with a minimum of 7°C (46°F), an average of 18°C (65°F), and a maximum of 31°C (88°F). This month typically experiences relatively low precipitation at 58 mm (2.3 in) over 11 days and a humidity level of 71%. By contrast, October brings much cooler temperatures, ranging from a minimum of 0°C (32°F) to an average of 12°C (54°F) and a maximum of 21°C (71°F). The month is also characterized by higher precipitation of 103 mm (4.1 in) spread across 13 days and increased humidity at 90%. For more detailed insights, you can check Southampton weather in October.
In July, the weather is characterized by warmer temperatures, with a minimum of 7°C (46°F) and a maximum reaching up to 31°C (88°F), resulting in a pleasant average of 18°C (65°F). The month experiences around 58 mm (2.3 in) of precipitation over 11 days, accompanied by a relatively comfortable humidity level of 71%. In contrast, November brings a significant drop in temperatures, with a minimum of -2°C (28°F) and a maximum of only 16°C (61°F), leading to a much cooler average of 8°C (47°F). Though it has slightly more precipitation at 65 mm (2.6 in) over the same number of days, the humidity is notably higher at 92%, creating a more damp and chilly atmosphere. For more details, visit Southampton weather in November.
July and December in Southampton present stark contrasts in weather conditions. In July, temperatures range from a minimum of 7°C (46°F) to a maximum of 31°C (88°F), with an average of 18°C (65°F), making it a warm and often humid month with an average humidity of 71%. Despite receiving 58 mm (2.3 in) of precipitation over about 11 days, the overall feel is typically mild and pleasant. In contrast, December sees a dramatic drop in temperatures, with a minimum of -3°C (27°F) and a maximum of only 14°C (58°F), averaging just 7°C (45°F). This winter month has higher precipitation, totaling 93 mm (3.7 in) over approximately 13 days, and a much higher humidity level of 92%. For a closer look at December's weather specifics, you can visit Southampton weather in December.
July in Southampton stands out with warmer temperatures that bring a vibrant energy to the city. Compared to other months, this mid-summer period offers a delightful mix of warm days and cooler nights, making it an ideal time to explore. However, with occasional rainfall occurring on about a third of the days, visitors are advised to keep an umbrella handy. The higher humidity adds to the warmth, creating a distinctive summer feel. For a deeper dive into what to expect weather-wise throughout the year, check out Southampton Climate.