Last updated: March 17, 2025
October in Castlebar, Ireland presents a dynamic blend of weather that showcases the region's characteristic charm. Daily temperatures fluctuate between a maximum of 20°C (68°F) and a minimum of 0°C (33°F), with an average settling at a cool 10°C (51°F). This month is noteworthy for its high humidity at 91%, contributing to a distinctly crisp feel in the air. Rain is a frequent companion, with 127 mm (5.0 in) of precipitation spread across 20 days, making it essential for visitors to prepare for occasional downpours. The lush landscapes and vibrant autumn colors serve as a stunning backdrop for experiencing the unique character of Castlebar during this transitional season.
As October unfolds in Castlebar, Ireland, temperatures begin to shift noticeably from the warmer months of late summer. With a minimum temperature of 0°C (33°F), the crisp autumn air becomes palpable, inviting a sense of seasonal change. Daytime averages hover around 10°C (51°F), making it a brisk yet pleasant time to explore the vibrant fall foliage. The maximum temperature can still reach a comfortable 20°C (68°F), a reminder of the lingering warmth as the region transitions toward winter. This month marks a noticeable dip from the previous month’s averages, as the days grow shorter and the chill of November approaches. In Castlebar, October truly captures the enchanting essence of autumn, showcasing both its beautiful colors and refreshing clarity.
October in Castlebar, Ireland, is characterized by a significant uptick in precipitation, with 127 mm (5.0 in) of rain falling over 20 days. This marks a notable rise from the preceding months, echoing a typical shift toward the wetter part of the year. While September brought 92 mm (3.6 in) of rainfall across 17 days, October’s deluge sets the tone for the approaching winter, as it becomes one of the wetter months in the annual cycle. Despite the frequent showers, this increase in precipitation is a reminder of Ireland's lush landscapes, a vivid green that thrives under the autumn rain. As the season progresses, residents and visitors alike prepare for the rains that contribute to the captivating beauty of Castlebar.
As October arrives in Castlebar, Ireland, residents experience a notable increase in humidity, with levels reaching an average of 91%—the highest for the month. This rise comes after a consistent trend throughout the year, where humidity typically hovers between 83% and 88% from May to September. While October’s humidity marks a shift towards the wetter conditions of late autumn, it also sets the stage for the chillier months ahead, as November follows closely with 92% humidity. This cyclical pattern reflects Castlebar's climatic rhythm, where increased moisture in the air accompanies the transition into winter, enhancing the lush, green landscape that the region is renowned for.
As October arrives in Castlebar, Ireland, the UV Index gently dips to 3, signifying a moderate exposure category. This slight decrease from previous months reflects the transition from summer's peak UV levels, where values soared to 8 in June and July. With a burn time of 30 minutes, it’s advisable to be mindful of sun exposure during outdoor activities, even as the weather cools. This trend suggests that while the intensity of UV radiation is waning, protective measures should still be considered to ensure skin health. For a detailed view of the UV Index throughout the year, check out Castlebar UV Index.
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As autumn settles in Castlebar, October brings a delightful 220 hours of sunshine, a notable decline from the vibrant summer months yet still a significant reprieve from the dreariness of winter that follows. This month is reminiscent of the longer, sun-kissed days of June and July, where hours basking in sunlight peaked around 380 hours, creating a stark contrast to the 114 hours of sunlight expected by November. As the year wanes, October maintains a balance, offering a cozy warmth that invites residents and visitors alike to savor the outdoors before the shorter days fully take hold. It's a transitional phase, with sunshine fading but the spirit of the season just beginning to bloom.
In Castlebar, Ireland, the chances of enjoying sunny weather in October hover around a modest 17%, placing it among the months with generally limited sunshine. This figure is slightly below the yearly average, reflecting a trend that sees the sunniest months occurring earlier in the year, particularly in April with a peak of 40%. As autumn sets in, the likelihood of bright days diminishes, following a gradual decline from the sunnier days of May and June. Consequently, as October unfolds, residents and visitors alike are likely to experience more overcast skies than sunlit ones, marking it as a transitional period into the colder, grayer months ahead.
In Castlebar, Ireland, the transition into October marks a notable shift in daylight duration, as the days begin to shorten following the long, bright summer months. With approximately 10 hours of daylight, October offers a gentle descent from September's 12 hours, emphasizing the region's gradual retreat into winter. As we reflect on the year, it's evident that the longest days occur in June and July, boasting a remarkable 16 hours of sunlight, while the year’s sunlight peeks notably around May with 15 hours. The trend is clear: as spring unfolds with longer days, the gentle decline toward winter brings cozier, darker evenings. As daylight dwindles in November and December, Castlebar prepares for the charm of winter, balancing the festive spirit with the season's intimate, shorter days.
As October sweeps into Castlebar, Ireland, it brings with it a breath of fresh air, with average wind speeds reaching 4.2 m/s (about 9 mph). This slight uptick marks a transitional phase as the winds pick up in preparation for the chillier months ahead. Comparing October to the quieter summer months, like July, where the winds dropped to a gentle 2.6 m/s (6 mph), it's clear that autumn heralds a return to more invigorating breezes. While January through September saw variability, October's winds suggest a consistent trend of increasing gusts that will continue into the winter. As the leaves turn and the days grow shorter, the lively winds of October remind us of nature’s rhythm transitioning toward the colder seasons.
The weather in Castlebar 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 Castlebar and find detailed weather information for every month.
October and January exhibit distinctly different 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 10°C (51°F). The month experiences frequent rainfall, totaling about 127 mm (5.0 in) across approximately 20 days, with humidity levels high at 91%. In contrast, January presents cooler conditions, with temperatures dipping lower to a minimum of -3°C (27°F), a maximum of 14°C (57°F), and an average of 6°C (43°F). Precipitation in January is less abundant, at 87 mm (3.4 in) spread over about 13 days, and humidity is slightly lower at 88%. For a detailed look into January’s climate, check out Castlebar weather in January.
When comparing the weather in October and February, October tends to be milder with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 20°C (68°F), while February experiences colder conditions, with temperatures spanning from -3°C (26°F) to 15°C (59°F). Both months see significant precipitation, with October receiving about 127 mm (5.0 in) over 20 days and February slightly wetter at 135 mm (5.3 in) over 18 days. Additionally, October has higher humidity levels at 91%, compared to February's 88%. For more detailed information about February weather in Castlebar, you can check this link: Castlebar weather in February.
When comparing the weather in October and March, it’s clear that both months exhibit cool temperatures and significant humidity. October typically sees a minimum temperature of 0°C (33°F) and averages around 10°C (51°F), with a maximum reaching up to 20°C (68°F). In contrast, March experiences slightly colder conditions, with minimums dropping to -5°C (24°F) and an average of 7°C (44°F), peaking at 17°C (62°F). Precipitation levels are fairly comparable, with October receiving 127 mm (5.0 in) over 20 days and March having 107 mm (4.2 in) across 16 days. Additionally, October has a higher humidity level at 91% compared to March's 87%. For more details on March weather, you can check Castlebar weather in March.
When comparing the weather in October and April, both months exhibit cool temperatures, but there are notable differences in conditions. In October, the minimum temperature hovers around 0°C (33°F), with an average of 10°C (51°F) and a maximum reaching 20°C (68°F). This month is characterized by higher precipitation, with about 127 mm (5.0 in) spread over 20 days, resulting in a humidity level of 91%.
In contrast, April typically features slightly lower minimum temperatures, dipping to -2°C (28°F), and a similar average and maximum temperature as October, with 9°C (48°F) and 20°C (69%), respectively. However, it boasts significantly less precipitation at 63 mm (2.5 in) over just 11 days, leading to a slightly lower humidity of 86%.
For a closer look at April weather specifics, you can refer to Castlebar weather in April.
October and May present quite different weather patterns. In October, temperatures range from a chilly 0°C (33°F) at night to a mild maximum of 20°C (68°F), with an average of 10°C (51°F). The month experiences significant rainfall, with about 127 mm (5.0 in) spread over 20 days, resulting in high humidity levels of 91%. In contrast, May offers more warmth, with temperatures ranging from a frosty -2°C (29°F) at night to a pleasant high of 25°C (77°F) and an average of 11°C (53°F). The precipitation is lower at 74 mm (2.9 in) over 14 days, accompanied by a more comfortable humidity of 83%. For a more detailed look at May weather in Castlebar, check out Castlebar weather in May.
October and June exhibit distinct weather patterns that significantly impact outdoor activities and lifestyle. In October, temperatures range from a chilly minimum of 0°C (33°F) to a maximum of 20°C (68°F), with an average of 10°C (51°F). This month experiences frequent rain, with approximately 127 mm (5.0 in) of precipitation across 20 days, coupled with high humidity levels of 91%. In contrast, June boasts warmer temperatures with a minimum of 5°C (41°F), an average of 13°C (56°F), and a maximum of 28°C (84°F). The precipitation is lighter, totaling around 87 mm (3.4 in) over 17 days, and humidity is slightly lower at 83%. For a detailed look at June weather in Castlebar, you can visit Castlebar weather in June.
When comparing the weather in October to that of July, there are noticeable differences. October experiences cooler temperatures, with a minimum of 0°C (33°F) and an average of 10°C (51°F), while July boasts warmer conditions, featuring a minimum of 7°C (44°F) and an average of 15°C (59°F). Additionally, July enjoys a higher maximum temperature of 28°C (83°F) compared to October’s peak of 20°C (68°F). Precipitation in October is more substantial, averaging 127 mm (5.0 in) over 20 days, whereas July sees less rainfall at 91 mm (3.6 in) spread over 15 days. Despite the higher rainfall in October, the humidity levels are relatively similar, with October at 91% and July at 85%. For further insights on July weather, you can refer to Castlebar weather in July.
In comparing the weather between October and August, we see a notable shift in temperature and precipitation patterns. October tends to be cooler, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 20°C (68°F), while August enjoys milder conditions, with temperatures between 6°C (43°F) and 23°C (74°F). Precipitation is fairly consistent in both months, with October receiving 127 mm (5.0 in) over 20 days, compared to August's 133 mm (5.3 in) over 21 days. Additionally, October's humidity is slightly higher at 91%, compared to August's 85%. For more specific details about the August weather, you can check Castlebar weather in August.
In comparison of weather between September and October, October tends to be cooler, with average temperatures ranging from a minimum of 0°C (33°F) to a maximum of 20°C (68°F), whereas September features milder averages between 2°C (35°F) and 25°C (77°F). Additionally, October experiences more precipitation, with 127 mm (5.0 in) over 20 days, compared to September's 92 mm (3.6 in) across 17 days. The humidity also increases slightly in October, peaking at 91%, compared to 88% in September. For more details on the weather in September, you can visit Castlebar weather in September.
October and November exhibit a noticeable shift in weather conditions. In October, temperatures range from a minimum of 0°C (33°F) to a maximum of 20°C (68°F), with an average of 10°C (51°F). The month is characterized by higher precipitation, totaling 127 mm (5.0 in) across 20 days, and a humidity level of 91%. In contrast, November sees a slight drop in temperatures, with minimums reaching -2°C (29°F) and a maximum of 15°C (59°F), averaging 8°C (46°F). Precipitation decreases to 110 mm (4.3 in) over 17 days, while humidity remains similar at 92%. For more detailed information, you can check Castlebar weather in November.
October and December present distinctly different weather experiences. In October, temperatures typically range from a chilly 0°C (33°F) at night to a milder 20°C (68°F) during the day, with an average of 10°C (51°F). This month sees considerable rainfall, with precipitation occurring on about 20 days and totaling 127 mm (5.0 in), along with high humidity at 91%. In contrast, December brings colder conditions, with minimum temperatures dropping to -3°C (27°F) and a cooler maximum of 13°C (55°F), averaging around 7°C (44°F). While the precipitation in December is slightly lower at 121 mm (4.8 in), it occurs over 19 days. The humidity also decreases slightly to 89%. For a closer look at what to expect, check out Castlebar weather in December.
October in Castlebar heralds a distinct transition in weather, where temperatures dip significantly and the landscape transforms under a tapestry of autumn hues. With an average temperature of just 10°C (51°F), cooler mornings give way to mild afternoons, but the chill becomes unmistakable as night falls. Additionally, October is notably wetter, boasting 127 mm of precipitation over 20 days, making it one of the rainiest months of the year. The high humidity at 91% adds to the brisk atmosphere, setting a stark contrast to the drier, warmer months of summer. As the days grow shorter and the leaves begin to fall, it’s the perfect time to embrace the cozy spirit of autumn. For those curious about the broader climatic trends, visit Castlebar Climate for more insights.