Last updated: March 17, 2025
August in Southampton, United Kingdom, showcases a delightful blend of summer warmth and occasional rain. The maximum temperature can soar to a comfortable 31°C (89°F), while the average settles at a mild 17°C (63°F), ideal for outdoor activities. However, the month also brings cooler nights, dipping to a minimum of 7°C (45°F). With a total precipitation amount of 71 mm (2.8 in) spread across 12 days, expect some rainy spells that add a refreshing touch to the humid atmosphere, which averages 76%. Whether basking in the sun or enjoying a cozy indoor retreat, August in Southampton offers a varied weather experience for all.
In August, Southampton basks in the warmth of summer, with temperatures reaching a comfortable average of 17°C (63°F). The month experiences a minimum of 7°C (45°F) and peaks at a delightful 31°C (89°F), making it one of the hottest months of the year. This trend of rising temperatures starkly contrasts the chill of earlier months, with January's frigid minimum of -3°C (27°F) for instance. As summer reaches its zenith in Southampton, residents and visitors alike enjoy longer days filled with sunshine, perfect for exploring outdoor attractions or relaxing by the coast.
August in Southampton marks a slight uptick in precipitation, with 71 mm (2.8 in) of rainfall spread across 12 days. This amount is consistent with the summer's wetter patterns, following June's peak of 83 mm (3.3 in) despite fewer precipitation days. The transition into autumn brings slightly reduced rainfall, yet August's totals emphasize a dynamic shift, as the region gears up for the wetter months ahead, notably October's average of 103 mm (4.1 in). This blend of balmy days and occasional showers characterizes Southampton's late summer, showcasing the city's typical maritime climate, where the potential for rain remains a constant companion even during the warmer season.
In August, Southampton experiences a noticeable shift in humidity, with levels averaging around 76%. This marks a decline from the peak humidity seen in the earlier summer months, particularly July, which recorded 71%, suggesting a gradual end to the more oppressive summer conditions. As the seasons transition, this decrease not only offers a brief respite from the muggy weather but also sets the stage for higher humidity levels in the approaching autumn months. In contrast to the relatively lower figures of summer, September's humidity rises again to 82%, reflecting the city's characteristic humidity trends as the year progresses. Overall, August serves as a pivotal point where the coastal air begins to shift, hinting at the impending seasonal changes.
In August, Southampton experiences a high UV Index of 7, prompting caution for sun seekers as the potential for skin damage increases. This places the month alongside May and slightly below the peak months of June and July, which record a very high UV Index of 8. As summer reaches its zenith, residents and visitors should be mindful that the burn time decreases to 25 minutes, offering a reminder to apply sunscreen regularly. This trend of rising UV levels from winter's low exposure category to the high levels in summer underscores the importance of monitoring UV radiation. As you enjoy the sunny days in Southampton, remember to stay protected—check the latest details on the Southampton UV Index for informed sun safety.
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August in Southampton shines brightly, boasting 354 hours of sunshine that encapsulate the last moments of summer. Following the peak of 395 hours in July, this month holds onto the warmth and light, gracefully transitioning into the cooler days ahead. The trend observed throughout the summer months reveals a consistent increase in sunshine, with May's 384 hours serving as a vibrant precursor to the sun-drenched July. As autumn approaches, sunny days begin to dwindle, with September dropping to 287 hours, yet the lingering warmth of August still offers a delightful farewell to the season.
In August, Southampton experiences a moderate 28% chance of sunny weather, marking a decline from the brighter days of April, which sees a robust 55% likelihood of sunshine. Following the summer months, this percentage remains low compared to the higher averages of late spring. As the season transitions into autumn, July with 38% and June at 29% show slight reductions in sunny prospects, reinforcing a gradual tapering of summer brightness. This trend suggests that while August can still offer pleasant days, it’s wise to prepare for overcast skies as summer wanes into September, where the chance of sun inches up to 30%.
In August, Southampton basks in approximately 14 hours of daylight, a delightful dip from the peak summer brightness of June's 16 hours. This gradual decline reflects the transition towards autumn, as daylight hours begin to shorten following the height of summer. The month shines as a vibrant midpoint, where long evenings remain perfect for outdoor activities, yet hint at the seasonal shift ahead. As daylight recedes, it creates a poignant backdrop to the lush late-summer scenery, inviting both locals and visitors to savor the fleeting warmth before fall sets in.
In August, Southampton experiences a gentle average wind speed of 3.8 m/s (9 mph), slightly higher than the calm of June and July, but still moderate compared to other months. This trend reflects the transition into the tail end of summer, where a subtle breeze dances through the coastal town, offering a pleasant respite from warmer temperatures. The wind speeds throughout the year show a peak in the winter months, with January and December both reaching 4.6 m/s (10 mph), while spring and early summer provide more tranquil conditions. As autumn approaches, wind speeds gradually dip again, emphasizing a rhythmic cycle of gentle breezes and seasonal shifts in Southampton’s maritime climate.
The weather in Southampton changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of August'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 comparing the weather of August and January, there's a stark contrast in temperatures and conditions. August features a warm climate with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (89°F), accompanied by an average of 17°C (63°F). This month sees about 71 mm (2.8 in) of precipitation over approximately 12 days, with humidity levels at 76%. In contrast, January is much cooler, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 14°C (57°F) and an average of just 5°C (42°F). Precipitation in January is lower, at 52 mm (2.1 in) over 10 days, but the humidity is notably higher at 91%. This makes January feel much colder and damper overall. For more details, you can explore Southampton weather in January.
August and February present contrasting weather patterns. August typically enjoys a warmer climate, with temperatures ranging from a minimum of 7°C (45°F) to a comfortable maximum of 31°C (89°F), accompanied by an average of 17°C (63°F). The month sees about 71 mm (2.8 in) of precipitation over approximately 12 days, while humidity averages around 76%. In contrast, February is much colder, with temperatures dropping to a minimum of -6°C (21°F) and peaking at just 16°C (62°F), averaging at 6°C (44°F). Although it experiences slightly less precipitation at 60 mm (2.4 in) over 11 days, the humidity is higher at 89%. For detailed insights, check Southampton weather in February.
When comparing the weather in August and March, we observe notable differences in temperature and humidity levels. August enjoys a milder climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (89°F) and an average of 17°C (63°F). In contrast, March tends to be colder, with temperatures dropping as low as -6°C (22°F) and peaking at 20°C (68°F), averaging around 8°C (46°F). Precipitation levels in both months are relatively similar, with August receiving 71 mm (2.8 in) over 12 days and March slightly lower at 67 mm (2.6 in) over 13 days. However, March has a higher humidity level at 86%, compared to August's 76%. For more detailed insights about March weather, you can check Southampton weather in March.
When comparing the weather in August and April, it’s clear that August is significantly warmer, with average temperatures ranging from 7°C (45°F) to a high of 31°C (89°F). In contrast, April experiences cooler conditions, with temperatures varying from a minimum of -3°C (27°F) to a maximum of 24°C (76°F). Additionally, August sees more precipitation, totaling 71 mm (2.8 in) over 12 days, while April has less, at 39 mm (1.5 in) over just 7 days. Humidity levels are also higher in April, sitting at 85% compared to 76% in August. For more detailed insights about April weather, you can check Southampton weather in April.
In comparing the weather of August and May, August typically offers warmer temperatures, featuring a minimum of 7°C (45°F) and a maximum of 31°C (89°F), resulting in a more pleasant average of 17°C (63°F). In contrast, May sees 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). Both months have similar precipitation levels, with August experiencing 71 mm over 12 days and May receiving 70 mm over 10 days, though humidity is slightly lower in August at 76% compared to May's 79%. For more details on May weather specifically, check out Southampton weather in May.
In comparing the weather of August and June, August tends to have slightly warmer temperatures, with an average of 17°C (63°F) compared to June's average of 16°C (61°F). Both months experience similar maximum temperatures, peaking at 31°C (89°F) in August and 30°C (87°F) in June. However, August has a lower total precipitation at 71 mm (2.8 in) over 12 days, compared to June's 83 mm (3.3 in) over 10 days. Humidity levels are also a bit lower in August at 76%, compared to June's 80%. For more details on June weather, you can visit Southampton weather in June.
In comparing the weather between July and August, both months exhibit similar temperature ranges, with August experiencing slightly lower average temperatures (17°C) compared to July (18°C). However, both months reach the same maximum temperature of 31°C. Precipitation in August is notably higher at 71 mm over 12 days, compared to July's 58 mm over 11 days. Additionally, humidity levels are higher in August at 76%, compared to 71% in July, suggesting a more humid environment. For a detailed look at July's weather, visit Southampton weather in July.
In August, temperatures range more widely, with a minimum of 7°C (45°F) and a maximum of 31°C (89°F), resulting in an average temperature of 17°C (63°F). The month experiences higher humidity at 76% and a total precipitation of 71 mm (2.8 in) over 12 days. In contrast, September brings cooler weather 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) over 9 days, while humidity slightly increases to 82%. For more detailed weather insights, visit Southampton weather in September.
August and October present contrasting weather patterns, with August showcasing warmer temperatures that range from a minimum of 7°C (45°F) to a maximum of 31°C (89°F) and an average of 17°C (63°F). In contrast, October sees much cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 21°C (71°F), averaging around 12°C (54°F). While August experiences 71 mm (2.8 in) of precipitation over 12 days, October has a slightly higher rainfall at 103 mm (4.1 in) across 13 days, contributing to an even higher humidity level of 90%. For more detailed insights, you can visit Southampton weather in October.
August and November showcase distinct contrasts in weather patterns. In August, temperatures range from a minimum of 7°C (45°F) to a maximum of 31°C (89°F), with an average of about 17°C (63°F), making it a much warmer month. With 71 mm (2.8 in) of precipitation over 12 days, humidity is relatively high at 76%, contributing to a summery atmosphere. In contrast, November brings cooler conditions, with temperatures dropping to a minimum of -2°C (28°F) and an average of 8°C (47°F), peaking at 16°C (61°F). The month sees slightly less precipitation at 65 mm (2.6 in) over 11 days, yet humidity rises to 92%, resulting in a damp and chilly environment. For a closer look at the specific experiences of November weather, you can explore Southampton weather in November.
August and December present strikingly different weather conditions. In August, temperatures range from a comfortable minimum of 7°C (45°F) to a warm maximum of 31°C (89°F), with an average of 17°C (63°F). The month experiences relatively high humidity at 76% and sees about 71 mm (2.8 in) of precipitation over 12 days. In contrast, December is markedly colder, with temperatures dipping as low as -3°C (27°F) and averaging only 7°C (45°F). The month has a higher precipitation total of 93 mm (3.7 in) over 13 days, along with increased humidity at 92%. For more details about December weather, visit Southampton weather in December.
August in Southampton offers a distinct departure from the cooler months, characterized by its warm temperatures and relatively high humidity. With maximums reaching 31°C (89°F) and an average of 17°C (63°F), this month invites both locals and visitors to bask in the summer sun. However, potential rain shows up with 71 mm of precipitation spread over 12 days, reminding us that summer can bring its own surprises. The humidity can make the heat feel more intense, adding to the summer's unique charm. For those interested in the broader climate trends of the city, explore more at Southampton Climate.