Last updated: March 17, 2025
In Carmarthen, United Kingdom, October showcases a blend of cool temperatures and frequent rainfall. With a maximum temperature peaking at 20°C (68°F) and an average hovering around 12°C (54°F), the month provides a crisp ambiance typical of autumn. Minimum temperatures can drop to 0°C (33°F), reminding residents of the shifting seasons. Rain is a constant companion, as 171 mm (6.7 in) of precipitation falls over 18 days, contributing to a high humidity level of 89%. This combination of cool weather and sustained moisture paints October as a vibrant, yet often soggy month in the heart of Carmarthen.
In Carmarthen, United Kingdom, October ushers in a refreshing transition into autumn, where temperatures range from a cool 0°C (33°F) at night to a comfortable 20°C (68°F) during the day. This month marks a slight drop from the warmer September, as the average temperature settles around 12°C (54°F). While the crisp air invites cozy sweaters, the afternoons are still mild enough for leisurely strolls. October's weather represents a harmonious balance of change—cooler evenings but still enjoyably warm days, making it a perfect time to experience the beautiful fall foliage and the charm of Carmarthen.
In Carmarthen, October is truly a month of transformation, marked by a significant surge in precipitation. With 171 mm (6.7 in) of rain falling over approximately 18 days, it stands as one of the wettest months of the year. This uptick follows the relatively moderate rainfall of September, which recorded 115 mm (4.5 in) over the same number of days. As autumn settles in, the past few months highlight a trend of increasing precipitation, culminating in a peak that sets the stage for the wetter months ahead. While summer offers brief respites, October's rainfall acts as a precursor to the heavier deluges expected in November and December, where averages remain notably high, suggesting that Carmarthen’s autumn is not just beautiful but also drenched in rich, nourishing rains.
As the leaves turn and autumn settles in, October brings a notable spike in humidity to Carmarthen, reaching 89%—the highest level since the spring months. Following a gradual decline during the summer, where humidity dropped to a comfortable 70% in July, the air begins to feel heavier again. This increase not only signals the shift in seasons but also sets the stage for the chilly, moist air that continues into November, which maintains a humidity of 90%. Overall, Carmarthen's humidity patterns reflect a trend of higher moisture in the autumn and winter months, creating a landscape often cloaked in mist and rich foliage.
As October arrives in Carmarthen, the UV Index drops to 4, indicating a moderate exposure level that calls for cautious sun protection. Following the high peaks of summer, where indices soared to 8, this month provides a more manageable burn time of 30 minutes. The trend illustrates a steady decrease in UV radiation from the summer months, making outdoor activities more enjoyable without excessive risk of skin damage. However, it's still wise to stay mindful of the sun’s strength, especially on clear days. For more details on UV exposure trends throughout the year, visit Carmarthen UV Index.
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As October arrives in Carmarthen, the days grow shorter and the vibrant sunshine begins to fade, yet this month still enjoys a respectable 245 hours of sunshine. While it marks a noticeable decline from the summer peak in July, which boasts a dazzling 422 hours, October maintains a comforting glow compared to the chill of November and December, with their paltry 138 and 114 hours, respectively. The shift from the abundant sunlight of earlier months, such as the lively 409 hours in May and the radiant 341 hours in April, signals the transition into autumn. As the golden hues of October foliage take center stage, the remaining sunshine offers a lovely backdrop to the changing seasons, providing a gentle reminder of summer's warmth before the winter chill sets in.
As October unfolds in Carmarthen, the likelihood of basking in sunny weather takes a notable dip, with a mere 20% chance of sunshine. This trend marks a significant decrease from the more promising spring months, such as April's 53%, where radiant days begin to peek through. Following the summer's gradual decline, October aligns more closely with the cloudier winter months. With a chance of sun comparable to November's 25% and December's 22%, it’s clear that as autumn settles in, sunshine becomes a rare delight, encouraging residents and visitors alike to cherish those fleeting sunny moments before the heavier clouds of winter roll in.
In Carmarthen, United Kingdom, the rhythm of daylight unfolds dramatically throughout the year. As winter's shadows retreat in January, the days gradually lengthen, reaching a vibrant 16 hours of daylight by the height of summer in June and July. However, as autumn arrives in October, the sunlight begins to fade, offering a more modest 10 hours of daylight. This transition marks a gentle shift from the bright, energetic months of spring and summer, where May dazzles with 15 hours, into the encroaching chill of winter. By November, daylight dwindles back to 8 hours, hinting at the seasonal cycle's inevitable return to the long nights of December. The ebb and flow of light in Carmarthen beautifully reflects nature's changing moods.
As the crispness of October settles over Carmarthen, the average wind speed picks up to a brisk 5.9 m/s (13 mph), marking a noticeable shift from the calmer summer months. This uptick reflects a transition from the subdued breezes of July and August, where wind speeds dipped to around 3.5 m/s (8 mph). The winds begin to wrap around the town, hinting at the arrival of autumn, leading into the chillier months ahead that often bring stronger gusts. Interestingly, November sees a slight decrease back to 4.8 m/s (11 mph), but October stands out as a vibrant month where you can feel the energy of the changing season in the crisp, refreshing air.
The weather in Carmarthen changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of October'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 October, temperatures in Carmarthen range from a cool 0°C (33°F) to a pleasant 20°C (68°F), with an average of 12°C (54°F). The month is quite rainy, receiving 171 mm (6.7 in) of precipitation over 18 days, and the humidity hovers around a high 89%. In contrast, January brings chillier weather, with temperatures dipping as low as -2°C (28°F) and having a maximum of 13°C (56°F), averaging just 6°C (43°F). Although January sees less rainfall, with 99 mm (3.9 in) over 13 days, the humidity remains similarly high at 88%. For a closer look at January’s weather specifics, visit Carmarthen weather in January.
When comparing the weather in October and February, October tends to be milder and wetter. With average temperatures ranging from 0°C (33°F) to a maximum of 20°C (68°F), it provides more comfortable conditions, despite the higher precipitation of 171 mm (6.7 in) over 18 days. In contrast, February is colder, featuring a minimum of -2°C (28°F) and a maximum of 14°C (58°F), accompanied by slightly lower precipitation levels of 136 mm (5.3 in) across 17 days. Both months have similar humidity levels, hovering around 88-89%. For a more detailed look at February weather, you can visit Carmarthen weather in February.
When comparing the weather in October and March, both months exhibit a notable presence of precipitation and similar humidity levels. October boasts a milder average temperature of 12°C (54°F), with a maximum of 20°C (68°F), while March has a lower average temperature of 7°C (45°F), peaking at 16°C (61°F). In terms of rainfall, October experiences more precipitation at 171 mm (6.7 in) over 18 days compared to March's 115 mm (4.5 in) across the same number of days. You can find more details about the climate during March in Carmarthen here: Carmarthen weather in March.
When comparing the weather in October and April, October tends to be milder overall, with average temperatures around 12°C (54°F) compared to April’s average of 9°C (49°F). Both months experience a minimum temperature of 0°C, but October reaches slightly higher maximums, peaking at 20°C (68°F) compared to April's 19°C (67°F). Precipitation is significantly greater in October, with 171 mm (6.7 in) over 18 days, while April sees only 61 mm (2.4 in) during 11 days of rainfall. Additionally, October's humidity is higher at 89% compared to April’s 84%, making October feel a bit more damp. For a detailed look at specific weather conditions, you can check Carmarthen weather in April.
In October, temperatures can dip as low as 0°C (33°F) and rise only to a maximum of 20°C (68°F), resulting in a cooler average of 12°C (54°F). The month also sees significant rainfall, with 171 mm (6.7 in) spread over 18 days, contributing to a high humidity level of 89%. In contrast, May offers milder conditions, with minimum temperatures starting at 2°C (36°F) and maximums reaching 23°C (73°F), maintaining a similar average of 12°C (53°F). The precipitation in May is considerably lower at 90 mm (3.5 in) across 12 days, and the humidity is also reduced to 80%. For more detailed insights, you can check the Carmarthen weather in May.
October and June offer distinct weather experiences. In June, temperatures are generally warmer, with minimums around 7°C (45°F) and maximums reaching up to 25°C (78°F). The month enjoys an average temperature of 15°C (59°F) and experiences less precipitation, totaling about 100 mm (3.9 in) over 16 days. In contrast, October’s cooler climate features minimum temperatures dipping to 0°C (33°F) and maximums at 20°C (68°F), with an average of 12°C (54°F). The month is wetter, receiving approximately 171 mm (6.7 in) of rain across 18 days and higher humidity at 89%. For a closer look at the conditions during June, you can check Carmarthen weather in June.
When comparing the weather in October and July, notable differences emerge. October experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 12°C (54°F), whereas July boasts warmer conditions, ranging from a minimum of 8°C (48°F) to a maximum of 26°C (79°F). Additionally, July is typically drier, with only 91 mm (3.6 in) of precipitation over 13 days, compared to October's wetter climate, featuring 171 mm (6.7 in) of precipitation spread across 18 days. Moreover, humidity levels are higher in October at 89%, compared to July’s 70%. For a closer look at July weather patterns, you can refer to this link: Carmarthen weather in July.
When comparing the weather in October and August, a noticeable shift in temperature and precipitation patterns emerges. October experiences cooler temperatures, with nightly lows dropping to a chilly 0°C (33°F) and daytime highs averaging around 12°C (54°F), compared to August's milder minimum of 9°C (49°F) and maximum of 25°C (78°F). Additionally, October sees a higher amount of precipitation at 171 mm (6.7 in) over 18 rainy days, while August has slightly less rain at 134 mm (5.3 in) across 19 days. Humidity levels also differ, with October being significantly more humid at 89% compared to August's 73%. For a more detailed look at August's weather, you can visit Carmarthen weather in August.
In comparing the weather between September and October, October tends to be noticeably cooler, with average temperatures dropping from 15°C (58°F) in September to 12°C (54°F). While September can still feel relatively mild, reaching maximums of 25°C (78°F), October's maximum temperature peaks at 20°C (68°F). Precipitation also increases in October, with 171 mm (6.7 in) falling over 18 days, compared to 115 mm (4.5 in) over 16 days in September. Humidity levels are higher in October at 89%, compared to 79% in September, contributing to a more intense feeling of dampness as autumn sets in. For a detailed look at September weather, you can visit Carmarthen weather in September.
October and November display a gradual shift in weather patterns. In October, temperatures range from a minimum of 0°C (33°F) to a maximum of 20°C (68°F), with an average of 12°C (54°F). The month experiences significant precipitation, totaling 171 mm (6.7 in) over 18 days, and humidity levels hover around 89%. In comparison, November sees a decrease in average temperature to 9°C (49°F), with a maximum of 15°C (60°F) and similar minimums. Precipitation slightly decreases to 151 mm (6.0 in) while maintaining a similar frequency of rainy days. Humidity ticks up slightly to 90%. For more detailed insights, visit Carmarthen weather in November.
In comparing the weather between October and December, both months exhibit fairly cool temperatures, but October tends to be slightly milder. With average temperatures reaching up to 12°C (54°F) in October versus 8°C (46°F) in December, it’s clear that December brings a chill to the air. Precipitation also increases slightly in December, with 184 mm (7.2 in) over 20 days, compared to October's 171 mm (6.7 in) over 18 days. Interestingly, both months share the same high humidity level of 89%, contributing to a damp atmosphere. For more details on December weather specifically, you can visit Carmarthen weather in December.
As October unfolds in Carmarthen, the weather showcases a notable shift from the warmer months. The average temperature dips, offering a cooler atmosphere that can pleasantly surprise those accustomed to summer's warmth. With the increase in precipitation—evident in the 18 rainy days throughout the month—October brings a sense of freshness and renewal, although it does tend to be muggy, with humidity levels reaching up to 89%. This blend of cool temperatures and occasional downpours makes October distinct, presenting an opportunity to experience the quaint charm of Carmarthen wrapped in autumn's embrace. For a more detailed look at Carmarthen's weather patterns, visit Carmarthen Climate.