Last updated: March 17, 2025
August in Swansea, United Kingdom, reveals a temperate climate characterized by a maximum temperature reaching 24°C (75°F), while the average hovers around 17°C (62°F). Nighttime temperatures dip to a minimum of 12°C (53°F), providing a comfortable evening atmosphere. However, rainfall is a significant feature, with 123 mm (4.8 in) spread over 18 days, resulting in a humidity level of 73% that contributes to the lush greenery the region is known for. Visitors can expect a mix of pleasant warmth and sporadic showers, embodying the charm of summer in this coastal town.
In August, Swansea experiences a mild and inviting climate, with temperatures generally ranging from a minimum of 12°C (53°F) to a comfortable maximum of 24°C (75°F). The average temperature hovers around 17°C (62°F), providing a pleasant backdrop for outdoor activities and exploration. This month marks the transition into late summer, showcasing a slight increase compared to the earlier months of July and June, where temperatures are similarly warm but with slightly lower averages. As the warmth peaks in August, it beautifully sets the stage for the onset of autumn, making it the perfect time to enjoy Swansea's picturesque landscapes before the cooler months settle in.
In August, Swansea experiences a notable increase in precipitation, with 123 mm (4.8 in) recorded, making it one of the wetter months of the year. Rainfall is prevalent on approximately 18 days, contributing to the lively summer atmosphere. This spike in precipitation follows a relatively dry spell in April and May, where amounts dipped significantly. Interestingly, August’s rainfall is comparable to the preceding months but still remains less than the deluge expected in the fall, particularly in October, which often sees the highest accumulation. This trend illustrates Swansea's shift towards wetter weather as summer fades, preparing for the heavier downpours characteristic of autumn.
In August, Swansea experiences a slight uptick in humidity, settling at 73%, which is a comfortable level following the drier months of July. This summer month typically showcases a gradual decrease in humidity from the wetter winter months, where figures hover around 88% to 90% in January and February, respectively. As spring gives way to summer, humidity levels diminish, reaching their annual low of 70% in July. However, August marks a subtle shift upward, indicating the lingering warmth of the season. As temperatures cool again into September, humidity rises to 79%, signifying the transition back to higher moisture levels as autumn approaches. Overall, this pattern reflects Swansea's characteristic maritime climate, with humidity levels ebbing and flowing throughout the year.
August in Swansea, United Kingdom, presents a high UV Index of 7, indicating a significant increase in sun exposure risks compared to earlier months like January and February, which recorded low UV levels of 1 and 2, respectively. This transition to higher UV levels begins in March, reaching a peak of very high intensity in June and July, which requires just 15 minutes for potential sunburn. However, August still allows for a longer burn time of 25 minutes, making it essential to be mindful of UV safety. As autumn approaches, September sees a decrease back to a UV Index of 6, suggesting that while summer may be waning, sun protection remains crucial. Stay informed and prepared for Swansea's sun by checking the details at Swansea UV Index.
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In August, Swansea basks in a generous 374 hours of sunshine, a radiant highlight in the late summer months. This month tends to maintain a steady glow, following the peak brightness of July, which boasts an impressive 418 hours. While August sees a slight dip in sunshine compared to its predecessor, the overall trend is clear: the warmer months—from April to July—offer a delightful abundance of sunlight, ranging from a mere 333 hours in April to a sun-soaked peak in July. As the year progresses into autumn, however, the days become shorter, with September and October showing a noticeable decrease, settling at 309 and 241 hours respectively. Despite this shift, the lingering warmth of August is a cherished farewell to summer in Swansea, making it an ideal time for outdoor enjoyment before the seasonal transition takes hold.
August in Swansea, United Kingdom, brings a moderate chance of sunny weather, with approximately 34% likelihood of clear skies. While this is an improvement from the dreary winter months, it falls short compared to the more promising conditions of April, which boasts a 56% chance of sunshine. Interestingly, the summer months show a decline in sunny days after July's peak of 42%, indicating that while August offers warmth and light, it’s not guaranteed. This trend underscores Swansea's unique climate, where sun-seekers may find a mix of beauty and variability as summer draws to a close.
In Swansea, United Kingdom, the month of August marks a transition as summer begins to wane, offering a delightful 14 hours of daylight. This substantial brightness follows the peak of 16 hours in both June and July, allowing residents and visitors ample time to bask in the warm summer evenings. The gradual decline in daylight hours becomes evident as the days shorten leading into September, which offers 12 hours of sunlight. Notably, August still retains a generous amount of daylight compared to the earlier months; for instance, January kicks off the year with only 8 hours. This trend illustrates not only the vibrant summer but also the subtle approach of autumn, where daylight begins to ebb, encouraging a shift in outdoor activities and a return to cozy indoor pursuits.
In August, the winds in Swansea gently pick up, averaging 5.2 m/s (12 mph), providing a refreshing contrast to the summer heat. This slight increase in wind speed follows a trend observed throughout the summer months, with July and June recording some of the calmest conditions at just 4.1 m/s (9 mph). As the year progresses, the wind speeds show a notable rise from the earlier spring months, where April sees a mere 4.7 m/s (10 mph). Looking ahead, September typically experiences a slight decrease to 4.7 m/s, suggesting that the breezy August days serve as a transitional phase before the brisk winds of autumn, which return to 6.6 m/s (15 mph) in October. Thus, August stands as a sweet spot of balance, where the winds start to gather strength, inviting both adventure and tranquility along Swansea's scenic coast.
The weather in Swansea 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 Swansea and find detailed weather information for every month.
In August, temperatures in Swansea are generally milder, with an average of 17°C (62°F) and a maximum of 24°C (75°F), while experiencing about 123 mm (4.8 in) of precipitation over approximately 18 days. The humidity level is relatively high at 73%, contributing to a warm yet sometimes wet atmosphere. In contrast, January sees much cooler temperatures, with an average of 7°C (45°F) and a maximum of only 14°C (57°F). Although slightly less rainy at 106 mm (4.2 in) over 14 days, the humidity is higher at 88%, creating a markedly chillier and more damp environment. For more detailed information, visit Swansea weather in January.
August and February present strikingly contrasting weather patterns. In August, temperatures range from a mild 12°C (53°F) at night to a pleasant 24°C (75°F) during the day, with an average of around 17°C (62°F). Conversely, February experiences much colder temperatures, with daytime highs reaching only 13°C (55°F) and nighttime lows dipping to -1°C (30°F), resulting in an average temperature of 7°C (45°F). Precipitation levels are relatively similar in both months, with August receiving 123 mm (4.8 in) over 18 days, and February slightly higher at 128 mm (5.0 in) across 17 days. Notably, February's humidity at 88% often contributes to a chillier feel compared to the more comfortable humidity of 73% in August. For those interested in understanding February's climate further, check out Swansea weather in February.
In comparing the weather between August and March, it's clear that the two months present contrasting climatic conditions. August enjoys milder temperatures, with an average of 17°C (62°F) and maximums reaching up to 24°C (75°F), while March is significantly cooler, with an average temperature of 8°C (46°F) and highs only reaching 15°C (59°F). Although August has slightly more precipitation at 123 mm (4.8 in) compared to March's 114 mm (4.5 in), both months experience rainfall on about 18 days. Additionally, March has a higher humidity level at 86%, compared to August's 73%. For more detailed information, you can check out Swansea weather in March.
When comparing the weather in August and April, notable differences are evident. August enjoys a milder climate with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 24°C (75°F), while April is considerably cooler, with temperatures from 2°C (36°F) to 17°C (63°F). In terms of precipitation, August sees higher levels, with 123 mm (4.8 in) over 18 days, compared to April's 56 mm (2.2 in) spread across 9 days. Additionally, April tends to have higher humidity at 84%, while August's humidity sits at 73%. For more detailed insights, check out Swansea weather in April.
When comparing the weather in August to that of May, there are noticeable differences in temperature and precipitation. August boasts a warmer temperature range, with averages around 17°C (62°F), compared to May's average of 12°C (53°F). The maximum temperature in August often reaches 24°C (75°F), while May peaks at 21°C (70°F). However, August also experiences higher precipitation levels, averaging 123 mm (4.8 in) across 18 days, compared to May's 79 mm (3.1 in) over 11 days. Humidity remains relatively high in both months, although it is slightly lower in August at 73% compared to May's 80%. For more detailed information about May weather, you can visit Swansea weather in May.
When comparing the weather in August and June, we notice that August tends to have slightly warmer temperatures, with a minimum of 12°C and an average of 17°C, while June features a lower minimum of 9°C and an average of 15°C. Despite both months reaching a maximum of 24°C, June tends to be more humid, with humidity levels at 80% compared to August's 73%. In terms of precipitation, August experiences a higher amount with 123 mm over 18 days, compared to June's 93 mm over 15 days. For a more detailed look at June's weather, you can check Swansea weather in June.
In comparing the weather of August to July, we can see some notable similarities and differences. Both months feature an average temperature of 17°C (62°F), with maximum temperatures reaching 24°C (75°F) in both cases; however, August slightly edges out July with an average minimum temperature of 12°C (53°F) compared to July's 11°C (52°F). Precipitation levels are notably higher in August, totaling 123 mm (4.8 in) over 18 days, while July experiences only 91 mm (3.6 in) across 13 days. Additionally, August has a slightly higher humidity level at 73% compared to July's 70%. For those interested in more detailed insights about July's weather, you can check Swansea weather in July.
August typically experiences slightly warmer temperatures compared to September, with average highs reaching 24°C (75°F) in both months, but September's overall averages dip to 15°C (60°F) from August's 17°C (62°F). Rainfall is fairly consistent, with August receiving 123 mm (4.8 in) over 18 days, while September sees a similar total of 120 mm (4.7 in) across 15 days. Additionally, September tends to be a bit more humid at 79%, compared to August's 73%. For more detailed insights about the weather during September, you can check Swansea weather in September.
August tends to be warmer and relatively more comfortable, with average temperatures ranging from a minimum of 12°C (53°F) to a maximum of 24°C (75°F). However, it also experiences notable humidity at 73% and a fair bit of rainfall, totaling 123 mm (4.8 in) over about 18 days. In contrast, October sees a drop in temperatures, with averages between 3°C (38°F) and 20°C (68°F), and an increase in precipitation, reaching 184 mm (7.2 in) across 19 days. The humidity rises further to 89%, making October feel noticeably cooler and wetter. For more details, you can check out Swansea weather in October.
August and November present notable contrasts in weather. In August, temperatures range from a mild minimum of 12°C (53°F) to a comfortable maximum of 24°C (75°F), with an average of 17°C (62°F). However, this month experiences considerable rainfall, totaling 123 mm (4.8 in) over 18 days, accompanied by relatively high humidity at 73%. In comparison, November brings cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 16°C (60°F), averaging 10°C (50°F). Precipitation increases slightly to 143 mm (5.6 in) over 19 days, coupled with even higher humidity levels at 90%. For more details about the weather in November, you can visit Swansea weather in November.
August and December present stark contrasts in weather conditions. In August, temperatures range from a mild 12°C (53°F) at night to a pleasant maximum of 24°C (75°F) during the day, with an average of 17°C (62°F). Although it experiences 123 mm (4.8 in) of precipitation over 18 days, the humidity averages 73%, making it feel relatively comfortable.
In contrast, December sees much colder temperatures, with lows dropping to 2°C (35°F) and daytime highs only reaching 13°C (55°F), resulting in an average temperature of 8°C (47°F). The month is also wetter, with 184 mm (7.3 in) of rain spread across 21 days, and higher humidity at 89%. This indicates a more damp and chilly atmosphere compared to August. For more detailed information, you can check Swansea weather in December.
As summer reaches its peak in Swansea during August, the weather is characterized by warmer temperatures, with highs often reaching a pleasant 24°C, and an average around a comfortable 17°C. However, this month also brings increased precipitation, with rain gracing nearly 60% of the days, creating a more humid atmosphere that can feel sticky and warm. Compared to the milder conditions of earlier months, August feels noticeably balmy yet can be a bit moist. This unique blend of warmth and humidity makes August a month of contrasts, showcasing Swansea’s temperamental summer weather. For a deeper insight into what to expect throughout the year, visit Swansea Climate.