Last updated: March 17, 2025
January in Carmarthen, United Kingdom, is characterized by a chilly climate, with temperatures ranging from a maximum of 13°C (56°F) to a minimum of -2°C (28°F). The average temperature hovers around 6°C (43°F), making it a brisk month for locals and visitors alike. With 99 mm (3.9 in) of rainfall spread across 13 days, expect damp conditions, contributing to a high humidity level of 88%. As winter settles in, layering up becomes essential while you navigate the occasional drizzle and enjoy the season's unique charm.
In January, Carmarthen experiences a chilly embrace as temperatures typically range from a brisk -2°C (28°F) at night to a mild 13°C (56°F) during the day, resulting in an average of 6°C (43°F). This month marks the winter's peak chill, with frosty nights hinting at the colder weather to come in February, where temperatures show a slight upward trend. As winter transitions to spring, we see temperatures gradually rise—by March, the average nudges up to 7°C (45°F), with the maximum reaching 16°C (61°F). The coldest dips, however, remain stubbornly close to freezing, particularly noticeable in the earlier winter months. Thus, each January day in Carmarthen blends chilly mornings with the promise of warmer afternoons, setting the stage for the gradual warming trend that follows as the year progresses.
In January, Carmarthen experiences a notable 99 mm (3.9 inches) of precipitation, typically spread across 13 days. This sets the stage for a wet winter, as the month is followed by February's increase in rainfall to 136 mm (5.3 inches) over 17 days. While March sees a slight decrease, maintaining a substantial 115 mm (4.5 inches) across 18 days, the trend of higher precipitation continues into the later months, peaking in December with 184 mm (7.2 inches). Overall, January marks the beginning of a pattern characterized by a gradual rise in rainfall, suggesting that winter months in Carmarthen are particularly prone to wet conditions, setting expectations for a soggy but lush start to the year.
In Carmarthen, January greets residents with a high humidity level of 88%, a trend that continues into February, highlighting the region's consistently moist climate during the winter months. As the days lengthen and spring approaches, humidity begins to ease, dipping to 86% in March and further down to 84% by April. This gradual decline hints at the arrival of milder temperatures, with May and June stabilizing around 80%. However, as summer takes hold, July experiences a more pronounced drop, reaching 70%, providing a refreshing respite. The trend then shifts again as autumn settles in, with humidity levels rising back to 89% in October and peaking at 90% in November, before slightly receding to 89% in December. This cyclical pattern reflects Carmarthen's unique climatic rhythm, characterized by high humidity in winter and a welcome decrease during the summer months.
In Carmarthen, United Kingdom, the January UV Index stands at 1, indicating a low exposure category with a burn time of 45 minutes. This trend of low UV levels extends into February, where the index slightly rises to 2 but remains in the same safe exposure category. As we move into March, the index increases notably to 4, reflecting a moderate exposure risk that requires a shorter burn time of 30 minutes. This shift hints at the onset of spring, when UV levels begin to climb significantly. April and May reach 6 and 7 respectively, indicating high exposure risks and trimming burn times to 25 minutes. The summer months see a peak with July and June both showing a very high UV Index of 8, where caution becomes essential with only 15 minutes before sunburn becomes a concern. As the year progresses into autumn and winter, the UV Index dwindles back to 2 in November and returns to 1 in December, reinforcing the notion that exposure is at its lowest during these cooler months. To explore more about UV levels throughout the year in Carmarthen, visit Carmarthen UV Index.
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In Carmarthen, United Kingdom, the allure of sunshine begins modestly in January with only 97 hours of bright skies, gradually paving the way for more luminous months ahead. As winter relinquishes its grip, February sees a notable increase to 157 hours, heralding the approach of spring. By March, sunshine hours shoot up to 229, and April brings a vibrant 341 hours, inviting residents outdoors. The warmth continues in May, peaking at 409 hours—the highest yet—before summer rolls in with June’s consistent 401 hours. The sun-drenched months of July and August add a splendid touch, capturing 422 and 379 hours, respectively, as the days are long and lively. While September starts to mellow at 313 hours, the retreating light is further felt in the autumn months of October through December, with November and December offering a mere 138 and 114 hours of sunshine. This journey through the year reflects a clear trend: Carmarthen delights in a sunny crescendo during spring and summer, gently descending into shorter days as winter approaches.
In January, Carmarthen witnesses a modest 26% chance of sunny weather, setting the tone for a generally overcast winter month. As the seasons progress, the likelihood of sunshine gradually increases, peaking dramatically in April at 53%, signaling a welcome transition into spring. Interestingly, the sunshine probability seems to fluctuate, with February and June slightly trailing January at 24% and 26% respectively. As winter fades, summer months like July and August offer a more promising 40% and 34% chance of sunny days, making those months ideal for outdoor activities. Overall, while January may not be brimming with sunlight, it sets the stage for gradually brighter days ahead.
In Carmarthen, United Kingdom, January greets residents with approximately 8 hours of daylight, a clear signal that winter is in full swing. As the month progresses towards spring, daylight starts to increase markedly, with February bringing an additional hour, totaling 9 hours. The trend accelerates in March, where 11 hours of daylight invite longer outdoor adventures. April shines even brighter with 13 hours, paving the way for May’s impressive 15 hours. June and July maintain their peak brightness, both showcasing a robust 16 hours of daylight, perfect for enjoying the long summer days. However, as summer fades, daylight gradually diminishes, with August seeing 14 hours, followed by a drop to 12 hours in September. The cycle continues with shorter days in October at 10 hours, before the year ends with November and December returning to 8 and 7 hours respectively. This seasonal rhythm beautifully encapsulates the ebb and flow of daylight throughout the year, encouraging both reflection and hope for the longer days ahead.
In January, Carmarthen experiences an average wind speed of 5.4 m/s (12 mph), setting the stage for a brisk winter atmosphere. As the season transitions to February, winds pick up slightly, reaching 6.5 m/s (15 mph), before stabilizing again in March at a similar 5.5 m/s (12 mph). The arrival of April brings a notable drop to 3.9 m/s (9 mph), ushering in milder weather. This trend of fluctuating wind speeds continues into the warmer months, where May sees a modest increase to 5.1 m/s (11 mph), followed by further decreases in June and July, dipping to 3.8 m/s (9 mph) and 3.5 m/s (8 mph), respectively. With wind speeds slowly rising again in August and September, averaging around 4.5 m/s (10 mph), October reintroduces a brisker pace at 5.9 m/s (13 mph). As the year closes, winds in November and December maintain a lively presence at 4.8 m/s (11 mph) and 6.2 m/s (14 mph). Over the course of the year, this dynamic pattern reveals how seasonal shifts in Carmarthen bring about varying wind velocities, enhancing the region's atmospheric character.
The weather in Carmarthen 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 Carmarthen and find detailed weather information for every month.
In January, temperatures in Carmarthen typically range from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), with an average temperature of 6°C (43°F). The month sees a total precipitation of 99 mm (3.9 in) over about 13 days, and humidity remains consistently high at 88%.
Conversely, February experiences slightly milder weather, with average temperatures rising to 7°C (44°F) and a maximum of 14°C (58°F), while still maintaining the same minimum of -2°C (28°F). Precipitation increases to 136 mm (5.3 in) across roughly 17 days, indicating a wetter month, but the humidity remains unchanged at 88%. For more detailed insights into February weather, you can check Carmarthen weather in February.
In January, temperatures typically range from a chilly minimum of -2°C (28°F) to a mild maximum of 13°C (56°F), with an average of 6°C (43°F). The month experiences substantial precipitation of 99 mm (3.9 in) over approximately 13 days, contributing to the high humidity of 88%. In contrast, March sees slightly lower minimum temperatures at -5°C (24°F) but enjoys a warmer maximum of 16°C (61°F) and an average of 7°C (45°F). Precipitation in March rises to 115 mm (4.5 in) spread across about 18 days, while humidity remains relatively stable at 86%. For more detailed information, check out Carmarthen weather in March.
In January, the weather is quite chilly with temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), accompanied by substantial precipitation of 99 mm (3.9 in) over 13 days, and humidity levels reaching 88%. In contrast, April sees a mild transition, with temperatures typically ranging from 0°C (32°F) to 19°C (67°F). Precipitation decreases to 61 mm (2.4 in) over 11 days, and humidity slightly drops to 84%. This shift highlights the gradual warming as winter gives way to spring. For more detailed insights, check out Carmarthen weather in April.
In January, the weather in Carmarthen can be quite chilly, with average temperatures ranging from a minimum of -2°C (28°F) to a maximum of 13°C (56°F). The month typically experiences significant precipitation at 99 mm (3.9 in) over approximately 13 days, contributing to a high humidity level of 88%.
In contrast, by May, temperatures rise considerably, with averages between 2°C (36°F) and 23°C (73°F). Although May sees slightly less precipitation at 90 mm (3.5 in) over 12 days, the humidity decreases to a more comfortable 80%. For a detailed overview of May weather, you can check Carmarthen weather in May.
In January, Carmarthen experiences much colder temperatures, with averages around 6°C (43°F) and a maximum of 13°C (56°F), accompanied by high humidity levels of 88%. The month is characterized by significant precipitation, totaling 99 mm (3.9 in) over approximately 13 days. In contrast, June brings milder and more pleasant weather, with temperatures ranging from a minimum of 7°C (45°F) to a comfortable average of 15°C (59°F) and a maximum of 25°C (78°F). Although June sees similar total precipitation at 100 mm (3.9 in), it occurs over more days, around 16. The overall humidity drops to 80%, making the weather feel warmer and more inviting. For more details on June weather, visit Carmarthen weather in June.
January and July feature starkly contrasting weather conditions. In January, temperatures range from a chilly minimum of -2°C (28°F) to a mild maximum of 13°C (56°F), with an average of 6°C (43°F). The month is characterized by high humidity at 88% and significant precipitation of 99 mm (3.9 in) over 13 days. Conversely, July offers much warmer weather, where temperatures range from a pleasant low of 8°C (48°F) to a summer high of 26°C (79°F), with an average temperature of 16°C (62°F). Precipitation in July is slightly lower at 91 mm (3.6 in), also spread over 13 days, but humidity drops to a more comfortable 70%. For a detailed look at weather trends during this month, check out Carmarthen weather in July.
January in Carmarthen is characterized by chilly temperatures, with averages around 6°C (43°F), and frequent precipitation occurring over 13 days, leading to high humidity levels of 88%. In contrast, August offers a much warmer climate, featuring average temperatures of 16°C (61°F) and maximums reaching 25°C (78°F). While August sees slightly more precipitation over 19 days, the humidity drops to a more comfortable 73%. For those looking to explore Carmarthen's weather in August, you can find more details here: Carmarthen weather in August.
In January, the weather is quite chilly, with average temperatures ranging from a low of -2°C (28°F) to a high of 13°C (56°F), accompanied by high humidity levels at 88%. The month typically sees around 99 mm (3.9 in) of precipitation spread over 13 days, making it one of the wetter months. In contrast, September offers a much milder experience, with temperatures varying from a minimum of 5°C (42°F) to a pleasant maximum of 25°C (78°F), and an average of 15°C (58°F). Although September has slightly more precipitation at 115 mm (4.5 in) over 16 days, the overall humidity is lower at 79%, providing a more comfortable atmosphere. For a closer look at weather patterns during this month, check Carmarthen weather in September.
In January, temperatures in Carmarthen typically range from a chilly -2°C (28°F) at night to a mild 13°C (56°F) during the day, with an average of 6°C (43°F). The month sees considerable precipitation, totaling 99 mm (3.9 in) over about 13 days, contributing to a high humidity level of 88%. In contrast, October features milder temperatures, with minimums at 0°C (33°F) and maximums reaching 20°C (68°F), averaging 12°C (54°F). However, October is wetter, with 171 mm (6.7 in) of rain over approximately 18 days, resulting in a slightly higher humidity of 89%. For more detailed information, you can explore Carmarthen weather in October.
In January, temperatures in Carmarthen range from a minimum of -2°C (28°F) to a maximum of 13°C (56°F), with an average of 6°C (43°F). The month receives about 99 mm (3.9 in) of precipitation over 13 days, and the humidity is relatively high at 88%. In contrast, November sees slightly milder temperatures, with a minimum of 0°C (33°F) and a maximum of 15°C (60°F), averaging around 9°C (49°F). However, November is wetter, with precipitation totaling 151 mm (6.0 in) over 18 days and an even higher humidity level of 90%. For more details, you can visit Carmarthen weather in November.
In comparing the weather between January and December, January tends to be a bit cooler, with temperatures averaging around 6°C (43°F) compared to December's average of 8°C (46°F). The minimum temperature in January dips to -2°C (28°F), whereas December sees a minimum of 0°C (32°F). Precipitation is also notably lower in January, totaling 99 mm (3.9 in) over 13 days, compared to December’s 184 mm (7.2 in) spread across 20 days. Additionally, humidity remains relatively high in both months, with January at 88% and December at 89%. For more detailed information, you can visit Carmarthen weather in December.
January in Carmarthen brings a distinct chill, with temperatures dipping lower than most months and an abundant amount of rainfall. This time of year is characterized by a notable increase in humidity, often making it feel even colder. The persistent rain, spread over multiple days, contrasts sharply with the drier spells that are typical in the late spring and summer. As you prepare to embrace the winter season, it's essential to layer up and stay dry, as the weather can feel particularly brisk. For more on how these conditions evolve throughout the year, visit Carmarthen Climate.