Last updated: March 17, 2025
In January, Swansea, United Kingdom, experiences a mild winter climate characterized by an average temperature of 7°C (45°F). Maximum temperatures can reach up to 14°C (57°F), while the mercury can dip as low as 0°C (32°F) during chilly nights. This month sees significant rainfall, with an average precipitation total of 106 mm (4.2 in) over approximately 14 days. The air is notably humid, maintaining an average humidity level of 88%, contributing to the damp atmosphere typical of this coastal city.
In Swansea, United Kingdom, January experiences a chill that heralds the heart of winter, with temperatures ranging from a brisk 0°C (32°F) at night to a mild 14°C (57°F) during the day. This month typically sees an average temperature of 7°C (45°F), staying consistent with the cooler trend that begins to shift slightly as February rolls in. While February dips a notch lower with a minimum temperature of -1°C (30°F), by March, the temperatures start to rise gradually, hinting at the approaching spring. The warming pattern continues into April, with the average climbing to 9°C (49°F) and maxing out at 17°C (63°F). As the months unfold, one can observe a steady transition from winter's briskness to the pleasant warmth of late spring and summer, showcasing Swansea's dynamic climate.
In January, Swansea experiences an average precipitation of 106 mm (4.2 in) over approximately 14 days, setting the stage for a typically damp winter. This amount is slightly lower than the following month, February, which sees a rise to 128 mm (5.0 in) across 17 days, hinting at the gradual increase in rainfall as the seasons transition. Notably, the wettest months are October and December, each recording significant rainfall of 184 mm (7.2 in) and 184 mm (7.3 in) respectively, culminating in a rather soggy close to the year. Interestingly, April offers a brief respite with only 56 mm (2.2 in) over just 9 days, illustrating a distinct dip in precipitation that signals the approach of spring. Overall, the trend highlights a dynamic pattern where January sits comfortably within the wetter months, paving the way for the rainier climate that characterizes Swansea's winter months.
In January, Swansea experiences a notable humidity level of 88%, setting the stage for the damp, cool conditions typical of winter in the region. This high humidity remains constant into February, maintaining the same percentage. As the seasons transition towards spring, humidity slightly decreases, dipping to 86% in March and continuing its gradual decline through April and May, reaching 80% by mid-year. The summer months bring further relief, with July and August showcasing more comfortable levels around 70% and 73% respectively. However, as autumn approaches, humidity rebounds, climbing back up to 89% in October and peaking at 90% in November. This cyclical pattern illustrates Swansea's characteristic moist climate, with consistently high humidity levels throughout winter and autumn, while the summer months provide a brief respite.
In January, Swansea experiences a low UV Index of 1, indicating minimal risk for sunburn with a burn time of 45 minutes. As the months progress, a gradual increase in UV exposure is observed, peaking at 6 in April and June, where caution is advised due to the high and very high categories, and burn times reduce significantly to 25 and 15 minutes, respectively. This upward trend continues into July, maintaining a level of 8 before tapering off as autumn approaches. By November and December, the UV Index returns to a low of 1, echoing the protective embrace of winter. For a detailed overview of UV levels throughout the year, visit Swansea UV Index.
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In Swansea, January brings a modest 93 hours of sunshine, setting the tone for the year ahead. As winter fades into spring, the days gradually brighten, with February experiencing a notable increase to 151 hours. By March, the sun shines for 219 hours, hinting at the vibrant life that awaits. April bursts forth with 333 hours, and the momentum continues into May, reaching a glorious 404 hours—the peak of early summer. However, while June initially boasts 391 hours, July claims the title of the sunniest month with 418 hours, a radiant highlight of the Swansea summer. As we move into late summer and autumn, sunlight begins to wane, with August at 374 hours and September still providing a respectable 309 hours. The year wraps up as November and December cool down, yielding 135 hours and 110 hours respectively, emphasizing the seasonal ebb and flow of light in this picturesque coastal town.
In Swansea, the likelihood of sunny weather in January hovers around 24%, marking it as one of the cloudier months of the year. This trend remains fairly consistent into February, with only a slight uptick to 25%. However, as the seasons change, there is a noticeable increase in sunshine chances—March sees a 31% likelihood, paving the way towards the more sunlit months ahead. By April, the promise of brighter skies jumps to an impressive 56%, illustrating a shift that continues through late spring and summer. Overall, while January might not be the ideal time for sun-seekers, the gradual transition toward sunnier days is certainly on the horizon.
In Swansea, United Kingdom, the month of January welcomes 8 hours of daylight, a gentle prelude to the gradually lengthening days ahead. As winter gives way to spring, daylight blossoms to 9 hours in February and continues to expand, reaching a bright 11 hours by March. This trend of increasing sunlight culminates in the vibrant June and July months, where the sun graces the region with a maximum of 16 glorious hours. However, as summer fades into autumn, daylight begins to wane once more, dwindling to 14 hours in August and subsequently falling to just 8 hours again by November. Ultimately, Swansea's daylight patterns not only reflect the changing seasons but also evoke a rhythm of renewal and retreat throughout the year, making every hour spent outdoors in the sunshine feel all the more precious.
January in Swansea presents a brisk start to the year, with an average wind speed of 6.5 m/s (15 mph), making it one of the windier months right at the onset. As the season progresses into February, the winds pick up slightly, reaching 7.4 m/s (17 mph), before gradually easing as spring approaches, with March seeing a decrease to 6.2 m/s (14 mph) and April dropping further to 4.7 m/s (10 mph). This trend of diminishing winds continues into the summer months, where both July and June hold steady at 4.1 m/s (9 mph). However, as autumn arrives, wind speeds rebound slightly, with October and December showcasing 6.6 m/s (15 mph) and 7.3 m/s (16 mph) respectively, indicating a seasonal fluctuation that invigorates the coastal atmosphere. Overall, January's winds foreshadow a dynamic interplay of breezes that shape Swansea's weather throughout the year.
The weather in Swansea changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of January'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 January, the weather averages a minimum temperature of 0°C (32°F) and a maximum of 14°C (57°F), with a total precipitation of 106 mm (4.2 in) over 14 days. Comparatively, February experiences slightly cooler temperatures, with minimums dipping to -1°C (30°F) and a maximum of 13°C (55°F). Precipitation also increases in February, totaling 128 mm (5.0 in) spread over 17 days, while humidity remains consistent at 88% for both months. For a detailed overview, you can check Swansea weather in February.
In January, temperatures in Swansea range from a chilly 0°C (32°F) at their lowest to a milder 14°C (57°F) at their peak, with an average of 7°C (45°F). The month is quite wet, seeing about 106 mm (4.2 in) of precipitation spread over 14 days, resulting in a high humidity level of 88%. In contrast, March brings a slightly wider temperature range with minimums dropping to -4°C (25°F) and maximums reaching 15°C (59°F), while the average temperature rises to 8°C (46°F). Rainfall increases marginally to 114 mm (4.5 in) across 18 days, and the humidity level remains relatively high at 86%. For more detailed information, check out Swansea weather in March.
January in Swansea is characterized by cooler temperatures, with an average ranging from a chilly 0°C (32°F) to a maximum of 14°C (57°F). This month sees quite a bit of rainfall, with 106 mm (4.2 in) of precipitation spread over 14 days and a high humidity level of 88%. In contrast, April brings milder weather, with temperatures ranging from a minimum of 2°C (36°F) to a pleasant maximum of 17°C (63°F). Precipitation decreases significantly to 56 mm (2.2 in) across just 9 days, and humidity dips slightly to 84%. For more details on April weather in Swansea, check out Swansea weather in April.
In January, the weather is notably colder, with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 14°C (57°F). This month experiences significant precipitation, totaling 106 mm (4.2 in) over 14 days, accompanied by high humidity levels at 88%. In contrast, May brings a welcome warmth with temperatures ranging from a minimum of 5°C (40°F) to a pleasant maximum of 21°C (70°F). Precipitation decreases to 79 mm (3.1 in) and occurs over 11 days, while humidity also drops to a more comfortable 80%. The shift from January to May highlights a transition from chilly, wet conditions to milder weather, making May a more inviting month. For more details, check out Swansea weather in May.
January and June exhibit markedly different weather patterns. In January, temperatures range from a chilly minimum of 0°C (32°F) to a more moderate maximum of 14°C (57°F), with an average of 7°C (45°F). The month experiences significant precipitation, totaling 106 mm (4.2 in) over 14 days, contributing to a high humidity level of 88%. In contrast, June offers a more pleasant climate, with temperatures starting at 9°C (48°F) and peaking at 24°C (76°F), averaging around 15°C (59°F). Although June sees slightly lower precipitation at 93 mm (3.6 in) across 15 days, the humidity drops to a more comfortable 80%. For more details on June weather, you can check Swansea weather in June.
The weather in January is characterized by much colder temperatures, with a minimum of 0°C (32°F) and a maximum of 14°C (57°F), averaging around 7°C (45°F). In contrast, July brings a significant warm-up, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 24°C (76°F), averaging at 17°C (62°F). January experiences higher precipitation, totaling 106 mm (4.2 in) over 14 days, compared to July, which sees 91 mm (3.6 in) over just 13 days. Additionally, the humidity in January is considerably higher at 88%, while in July it drops to a more comfortable 70%. For more details, you can check out Swansea weather in July.
In January, the weather is notably colder, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 14°C (57°F) and an average of 7°C (45°F). This month experiences considerable precipitation, totaling 106 mm (4.2 in) over about 14 days, accompanied by high humidity levels at 88%. In contrast, August brings a much milder climate with temperatures ranging from a minimum of 12°C (53°F) to a maximum of 24°C (75°F), averaging around 17°C (62°F). Precipitation increases slightly to 123 mm (4.8 in) across 18 days, but the humidity drops to a more comfortable 73%. For further insights into August weather, visit Swansea weather in August.
In January, the weather is notably colder, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 14°C (57°F). This month experiences high humidity at 88% and considerable precipitation, averaging 106 mm (4.2 in) over about 14 days. In contrast, September brings milder and generally more pleasant temperatures, with averages between 9°C (48°F) and 24°C (76°F). While it has slightly higher precipitation at 120 mm (4.7 in) over 15 days, the humidity is lower at 79%. For more details on September weather, you can visit Swansea weather in September.
In comparing the weather between January and October, January tends to be cooler with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 14°C (57°F), while October shows a more moderate climate with temperatures ranging from 3°C (38°F) to 20°C (68°F). Precipitation is higher in October, totaling 184 mm (7.2 in) over 19 days, compared to January's 106 mm (4.2 in) across 14 days. Humidity levels remain quite similar, with January at 88% and October at 89%. For more detailed insights, you can check Swansea weather in October.
January and November both exhibit cool temperatures, but November is slightly milder overall. In January, the temperatures range from a minimum of 0°C (32°F) to a maximum of 14°C (57°F), with an average of 7°C (45°F). In contrast, November sees slightly warmer weather, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 16°C (60°F) and an average of 10°C (50°F). When it comes to precipitation, November receives a notable 143 mm (5.6 in) over 19 days, compared to January's 106 mm (4.2 in) over 14 days. Humidity levels remain high in both months, with November at 90% and January at 88%. For more detailed information, you can check Swansea weather in November.
In January, the weather in Swansea typically features a minimum temperature of 0°C (32°F) and an average of 7°C (45°F), reaching a maximum of 14°C (57°F). While January experiences slightly lower temperatures than December, it also has less precipitation, with 106 mm (4.2 in) over 14 days compared to December's 184 mm (7.3 in) across 21 days. Humidity levels are quite similar, with January at 88% and December at 89%. This means that while both months are inherently damp, December tends to feel wetter and more overcast. For more insights on the December climate, you can visit Swansea weather in December.
January in Swansea is a month where winter firmly asserts itself, marked by chilly temperatures and a significant increase in precipitation compared to the milder months that precede it. With an average temperature hovering around 7°C (45°F) and frequent cold snaps dipping to 0°C (32°F), it's a time when warm layers and waterproof gear become essentials for any outdoor activities. Moreover, January's high humidity at 88% often contributes to a damp and chilly atmosphere, encouraging many to seek the comfort of indoor venues. With 14 days of rainfall accumulating to 106 mm (4.2 in), this month stands out for its wetter climate, setting a contrasting tone to the drier seasons that follow. For more on Swansea's climate throughout the year, visit Swansea Climate.