Last updated: March 17, 2025
October in Dublin, Ireland, offers a blend of crisp autumn air and frequent rainfall that characterizes the season. With a maximum temperature reaching 18°C (65°F) and an average hovering around 11°C (51°F), the days are cool, while nights can dip to a refreshing 1°C (35°F). Visitors should brace for a notable 87 mm (3.4 in) of precipitation spread over 14 days, resulting in a humid atmosphere of 87%, making it essential to carry an umbrella. This October presents an opportunity to experience Dublin's vibrant fall colors amidst its historic charm, albeit with a backdrop of unpredictable weather.
As October unfolds in Dublin, the city experiences a gentle shift towards cooler temperatures, marking the transition into autumn. With minimums around 1°C (35°F) and average temperatures settling at 11°C (51°F), the days remain relatively mild, peaking at a comfortable 18°C (65°F). This month contrasts sharply with the warmer summer months, yet it retains a certain charm as the leaves begin to change color and the crisp air beckons for cozy sweaters. The autumn chill is a reminder of winter's approach, but October's moderate highs still offer ample opportunity to explore Dublin's vibrant parks and historic streets.
October in Dublin brings a notable shift in weather as the city experiences an average precipitation of 87 mm (3.4 in), making it one of the wetter months of the year. With 14 days of rainfall, this marks a slight uptick compared to September, which had 73 mm (2.9 in). The trend towards increased precipitation continues as the transition to winter begins, with November and December typically seeing even higher totals. As leaves turn and autumn settles in, Dublin’s vibrant streets become a canvas of wet weather, emphasizing the need for an umbrella, yet adding a fresh charm to the city’s iconic landscape.
As October rolls into Dublin, the city experiences a slight uptick in humidity, reaching 87%, making it one of the more humid months of the year. This increase follows a consistent pattern observed from September's 86%, where the air retains moisture as the autumn chill sets in. Generally, Dublin maintains a notably humid climate throughout the year, with humidity levels fluctuating between 83% in May and 87% in October. Interestingly, the humidity remains relatively stable, hovering around the mid-80s from April through to November, suggesting that Dubliners can expect a persistently moist atmosphere as the season transitions. As autumn deepens, residents and visitors alike will notice this enveloping humidity, accentuated by the crispness in the air.
As October rolls into Dublin, the UV Index settles at a moderate level of 3, indicating a gradual decrease in sun intensity as the year progresses. This marks a shift from the high values seen during the summer months, peaking at 8 in June and July. With a burn time of 30 minutes, residents and visitors alike should remain aware of sun exposure, especially during those sunny autumn days. While the chill in the air may signal the start of winter, the sun can still impact your skin. For comprehensive UV monitoring in Dublin, check out the details at Dublin UV Index.
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In October, Dublin experiences a notable shift in sunlight, with 230 hours illuminating the city, a decline following the vibrant summer months. By this time, the days have begun to shorten, offering a golden glow that contrasts with the crisp autumn air. The month captures a perfect blend of lingering warmth following September's 294 hours of sunshine while hinting at the cooler, darker days ahead. As the city transitions into winter, October stands out as a vibrant bridge, leading us from the bustling energy of summer into the cozy ambiance of winter nights. Despite the reduced daylight, Dublin's charm is palpable under the gentle embrace of the autumn sun.
As autumn unfolds in Dublin, the likelihood of sunny weather takes a noticeable dip, with October presenting only a 19% chance of sunshine. This trend highlights a gradual decrease in favorable weather from the mild, brighter days of April, which boasts a 44% likelihood, down through the summer months where sunshine chances hover around 23-31%. By the time October arrives, residents and visitors alike can expect a more muted palette of grey skies and occasional rain, contrasting sharply with the seasonal highs earlier in the year. Though the sun may be less frequent, the city's vibrant fall atmosphere and stunning autumn foliage offer their own charming allure.
As October unfolds in Dublin, the crisp autumn air is accompanied by approximately 10 hours of daylight, signaling a gentle decline from the elongated summer days. Following the peak of 16 hours in June and July, daylight begins to taper off, mirroring the transition of the seasons. After reveling in 15 hours in May and 14 hours in August, the daylight hours now become noticeably shorter, leading into the darker months of the year. This gradual ebb not only reshapes the city skyline in twilight but also invites residents to embrace the cozy comforts of fall, blurring the line between daylight adventures and longer evenings by the fire. As nature prepares for winter's approach, October serves as a beautiful reminder of the cyclical rhythm of light and dark in Dublin.
As October arrives in Dublin, the wind picks up its pace, reaching an average speed of 4.9 m/s (11 mph), subtly bridging the calmer summer months with the brisk chill of winter. This increase from September's 3.4 m/s serves as a gentle reminder of the transitioning seasons, hinting at the vibrant colors of autumn foliage and the invigorating feel of fresh air. Notably, October mirrors the wind speeds of November and December, creating a trio of months where the winds consistently invite the warmth of cozy sweaters and the allure of hot beverages. Overall, the October winds offer a refreshing blend of enthusiasm and nostalgia as the city prepares for the colder months ahead.
The weather in Dublin 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 Dublin and find detailed weather information for every month.
In October, temperatures range from a chilly 1°C (35°F) at night to a mild 18°C (65°F) during the day, with an average of 11°C (51°F). The month sees considerable rainfall, with 87 mm (3.4 in) falling over approximately 14 days, contributing to a high humidity of 87%. In contrast, January experiences colder conditions, with minimum temperatures dipping to -3°C (26°F) and a daytime maximum of 13°C (56°F), averaging at 5°C (42°F). While January has less rainfall—57 mm (2.2 in) over about 10 days—it maintains a slightly lower humidity of 85%. For a more detailed look at January weather patterns, visit Dublin weather in January.
October and February present distinct contrasts in weather conditions. In October, temperatures range from a minimum of 1°C (35°F) to a maximum of 18°C (65°F), with an average of 11°C (51°F). The month typically experiences about 87 mm (3.4 in) of precipitation over 14 days, accompanied by high humidity at 87%. In contrast, February is colder, with temperatures ranging from a minimum of -2°C (29°F) to a maximum of 14°C (58°F), and an average of 6°C (43°F). Although February sees slightly less precipitation at 80 mm (3.1 in) over the same number of rainy days, humidity remains comparable at 86%. For more detailed information, check out Dublin weather in February.
When comparing the weather in October and March, it’s clear that both months experience relatively mild temperatures, but with some notable differences. In October, temperatures range from a chilly 1°C (35°F) at night to a pleasant 18°C (65°F) during the day, with an average of 11°C (51°F). The month sees about 87 mm (3.4 in) of precipitation spread over 14 days, resulting in a humid atmosphere at around 87%. In contrast, March starts off colder, with minimum temperatures dropping to -5°C (24°F), and averages around 7°C (44°F), peaking at 16°C (61°F). Despite receiving slightly less rainfall at 81 mm (3.2 in) over 15 days, March maintains a similar humidity level of 86%. For more detailed insights, check out Dublin weather in March.
When comparing the weather in October and April, one can observe some notable differences. October experiences a milder average temperature of 11°C (51°F), with maximum highs reaching up to 18°C (65°F), while April has a slightly cooler average of 8°C (47°F), although it can reach up to 19°C (66°F) during warmer days. In terms of precipitation, October is wetter with 87 mm (3.4 in) spread across 14 days, whereas April sees less rainfall at 52 mm (2.0 in) over 11 days. The humidity levels are quite similar, with October at 87% and April at 85%. For a more detailed look at the weather features specific to April, you can visit Dublin weather in April.
In October, temperatures range from a chilly 1°C (35°F) at the minimum to a mild 18°C (65°F) at the maximum, with an average of 11°C (51°F). The month experiences substantial precipitation, totaling 87 mm (3.4 in) over about 14 days, accompanied by high humidity at 87%. In contrast, May brings slightly warmer conditions, with temperatures ranging from a minimum of 0°C (32°F) to a comfortable maximum of 21°C (71°F), maintaining the same average of 11°C (52°F). Rainfall in May is lower, with 72 mm (2.8 in) across the same number of wet days, and humidity is also slightly less at 83%. For more detailed information on the weather in May, check out Dublin weather in May.
October and June present contrasting weather patterns. In June, temperatures are generally milder, with averages around 14°C (57°F), peaking at 24°C (75°F), while October sees cooler temperatures with a maximum of only 18°C (65°F) and an average of 11°C (51°F). Precipitation levels are slightly higher in October at 87 mm (3.4 in) compared to June's 75 mm (3.0 in), although both months experience similar numbers of rainy days, with October having 14 and June 15. Humidity is comparable, with October at 87% and June slightly lower at 85%. Overall, June tends to be warmer and less wet than October, making it a more pleasant month for outdoor activities. For more details on June weather in Dublin, you can check Dublin weather in June.
In comparing the weather between October and July, October presents a cooler climate with average temperatures ranging from a minimum of 1°C (35°F) to a maximum of 18°C (65°F), whereas July enjoys milder conditions, with temperatures typically fluctuating between 8°C (46°F) and 25°C (77°F). While precipitation is somewhat similar, with October receiving 87 mm (3.4 in) and July slightly less at 80 mm (3.2 in), both months experience rainfall on about 14 days, suggesting a consistent likelihood of wet weather. Additionally, October's humidity is slightly higher at 87% compared to July's 86%, making October feel a bit more humid despite its cooler temperatures. For a detailed insight on July's weather patterns, you can check out Dublin weather in July.
In comparing the weather in October and August, it's evident that October is significantly cooler, with average temperatures ranging from a low of 1°C (35°F) to a high of 18°C (65°F), compared to August's milder range of 7°C (45°F) to 23°C (73°F). While October experiences slightly less precipitation overall at 87 mm (3.4 in) over 14 days, it comes close to the 95 mm (3.8 in) observed in August over 16 days. Additionally, October has a higher humidity level at 87%, compared to August's 85%. For more detailed insights into August weather, you can refer to this link: Dublin weather in August.
In October, the weather begins to cool notably, with average temperatures dropping to around 11°C (51°F), compared to a warmer average of 13°C (56°F) in September. The minimum temperature in October dips to 1°C (35°F), while September experiences a milder minimum of 3°C (38°F). Additionally, October sees increased precipitation levels, totaling 87 mm (3.4 in) over 14 days, compared to 73 mm (2.9 in) across the same number of days in September. Humidity remains relatively high in both months, with October at 87% and September slightly lower at 86%. For more details, you can check out the Dublin weather in September.
October and November present a gradual shift in weather conditions. In October, temperatures range from a minimum of 1°C (35°F) to a maximum of 18°C (65°F), with an average temperature of 11°C (51°F) and 87 mm (3.4 in) of precipitation over 14 days, accompanied by high humidity at 87%. In contrast, November sees a slight drop in average and maximum temperatures, with a range from 0°C (32°F) to 15°C (59°F) and an average of 8°C (46°F). Precipitation also increases slightly to 97 mm (3.8 in), maintaining the same frequency of rainy days at 14, while humidity stays similar at 86%. For more detailed weather information, check Dublin weather in November.
October and December exhibit notable differences in weather patterns. In October, temperatures range from a minimum of 1°C (35°F) to a maximum of 18°C (65°F), with an average of 11°C (51°F). The month experiences 87 mm (3.4 in) of precipitation over approximately 14 days and maintains a high humidity level of 87%. In contrast, December presents a colder climate with temperatures dipping as low as -2°C (28°F) and averaging 6°C (44°F). The maximum temperature is capped at 13°C (56°F), and precipitation increases slightly to 94 mm (3.7 in) across about 15 days, while humidity is slightly lower at 84%. For more detailed information, you can check out Dublin weather in December.
As October ushers in the fall season in Dublin, the weather becomes noticeably cooler and more unpredictable, contrasting sharply with the milder temperatures of summer. With an average temperature around 11°C (51°F) and chilly nights dipping to 1°C (35°F), residents and visitors alike must be prepared for the brisk air. Additionally, October is marked by increased precipitation, averaging 87 mm (3.4 in) across about 14 days, making it one of the wetter months of the year. The high humidity of approximately 87% adds to the damp feel, creating a characteristic autumnal atmosphere that invites cozy indoor activities and vibrant fall strolls through the city. For a more detailed understanding of the weather patterns throughout the year, explore the Dublin Climate information.