Last updated: March 17, 2025
In October, Gaillimh, Ireland experiences a dynamic mix of weather conditions characterized by a maximum temperature of 20°C (68°F) and a cool average of 11°C (51°F). As the month progresses, temperatures can dip to a brisk minimum of -1°C (31°F). Rainfall is notable with a total precipitation of 113 mm (4.4 in) spread over 17 days, contributing to the region’s lush landscapes. The atmosphere is often damp, with humidity levels reaching 91%, making October a quintessential autumn month in this vibrant Irish city.
In Gaillimh, Ireland, October ushers in the cool embrace of autumn, with temperatures ranging from a brisk -1°C (31°F) at night to a mild 20°C (68°F) during the day. As the month progresses, the average temperature settles at around 11°C (51°F), providing a refreshing contrast to the warmer summer months. This transition is evident as October marks a noticeable dip from September's lingering warmth, where highs peaked at 26°C (80°F). With the days growing shorter and the air turning crisper, it's a perfect time to enjoy the vibrant fall colors and the cozy charm of Gaillimh's streets, making it an ideal month for exploration amidst the changing seasons.
In October, Gaillimh experiences a notable uptick in precipitation, with an average of 113 mm (4.4 in) spread over 17 days of rain. This significant increase follows September’s milder 82 mm and suggests a shift towards the wetter months as autumn deepens. The pattern indicates that as the year progresses, especially from late summer to autumn, Gaillimh's weather becomes increasingly damp, preparing the landscape for the lush, vibrant hues of winter. Notably, October's rainfall almost mirrors that of December's 110 mm, hinting at a persistent trend of wet weather as the seasons transition. This consistent precipitation not only enriches the region's renowned greenery but also sets the stage for the more intense winter rains that follow.
As October arrives in Gaillimh, Ireland, the air becomes increasingly moist, with humidity levels rising to 91%—the highest in the year. This notable uptick follows the consistent humidity seen in September at 88% and sets the stage for the dampness that marks the winter months. Notably, October’s humidity is part of a broader trend toward increasing moisture in the autumn, culminating in 92% in November. This upward trend contrasts with the more moderate levels experienced earlier in the year, peaking in the spring and summer at 83% in May and June. As the days grow shorter and the temperatures dip, Gaillimh wraps itself in a thick blanket of humidity, heralding the cozy, atmospheric charm of the Irish autumn.
As October rolls into Gaillimh, Ireland, the UV Index dips to 3, indicating a moderate level of sun exposure, with a recommended burn time of around 30 minutes. This marks a transition from the high summer indices of July and August, where the UV levels peaked at 8—very high—and necessitated significantly shorter exposure times. As autumn progresses, the UV Index steadily declines from 5 in September to its current value, aligning with cooler temperatures and shorter days. Despite this drop, it’s still wise to be mindful of sun safety on those brighter October days. For more details on the UV Index throughout the year, check out Gaillimh UV Index.
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In October, Gaillimh, Ireland, enjoys a delightfully crisp shift in weather, accompanied by approximately 220 hours of sunshine. This marks a notable decline from the vibrant summer months, yet a reassuring contrast to the dimmer days of November, which bring just 116 hours. The sunshine hours peak in May, with a sunny 396 hours, gradually tapering off after the summer. This trend highlights a distinct seasonal transition, as autumn descends and shorter days return. However, October still provides a charming balance, basking in enough daylight to showcase the stunning fall foliage, making it a lovely time for exploration and appreciation of Gaillimh's natural beauty.
In October, the likelihood of sunny weather in Gaillimh, Ireland, hovers around 17%, reflecting a slight drop from the more promising April and May months. Following the trend of early autumn, October offers a transition towards the heavier cloud cover seen later in the year, contributing to the generally gray skies that dominate this time. While the sun may not shine as brightly this month, it follows a pattern of fluctuating chances throughout the year, leaving locals to embrace the beauty of Ireland's dramatic fall landscapes—albeit under intermittent clouds.
As the days turn chilly in October, Gaillimh, Ireland experiences a shift in daylight, with the sun gracing the skies for about 10 hours each day. This is a gradual decline from the sun-drenched days of summer, where June and July basked in 16 hours of daylight, offering long evenings to enjoy the outdoors. Following the vibrant blooms of spring and the extended hours of May—notably boasting 15 hours—October marks the onset of shorter days, as daylight reduces steadily from the long summer nights and gives way to the coziness of autumn. With a fleeting glimpse of sunlight, Gaillimh prepares for the long nights of winter, where daylight dwindles further to just 8 hours by November, urging locals to savor the warmth of their homes and the beauty of the season.
As autumn blankets Gaillimh, October's gentle winds usher in a shift from the milder summer breezes, averaging a moderate 4.2 m/s (9 mph). While this month is a step up from the summer lull—with July recording the year's lightest gusts at just 2.6 m/s (6 mph)—it remains part of a seasonal pattern where winds tend to pick up compared to the calmer months of late spring and early summer. The transition from September's consistent 3.4 m/s reflects the cooling temperatures and the approach of winter, setting the stage for even brisker days ahead. These winds, while not fierce, carry the unmistakable essence of Irish autumn, evoking both the charm and challenge of life in this coastal haven.
The weather in Gaillimh 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 Gaillimh and find detailed weather information for every month.
In October, temperatures begin to cool, with averages around 11°C (51°F) and maximums reaching 20°C (68°F), while the region experiences a significant amount of precipitation at 113 mm (4.4 in) over approximately 17 days, contributing to high humidity levels of 91%. By January, the weather becomes notably colder, with average temperatures dropping to 6°C (43°F) and maximums peaking at 14°C (58°F). Precipitation levels are also reduced to 77 mm (3.0 in) across 12 days, and humidity remains high at 88%. For a more detailed look at January conditions, you can visit Gaillimh weather in January.
October and February present distinct weather patterns, with October generally being milder. In October, temperatures range from a minimum of -1°C (31°F) to a comfortable maximum of 20°C (68°F), with an average of 11°C (51°F), while February's temperatures are a bit cooler, with a minimum of -4°C (26°F) and a maximum of 16°C (60°F), averaging just 6°C (44°F). Both months see significant precipitation, with October receiving around 113 mm (4.4 in) across 17 days, slightly less than February’s 127 mm (5.0 in) over 16 days. Additionally, October tends to be more humid at 91%, compared to February’s 88%. For detailed information about February weather, visit Gaillimh weather in February.
October and March present distinct yet milder climates. In October, temperatures range from a minimum of -1°C (31°F) to a maximum of 20°C (68°F), with an average of 11°C (51°F). This month experiences more precipitation, totaling 113 mm (4.4 in) over approximately 17 days, accompanied by high humidity at 91%. In contrast, March typically sees cooler temperatures, with a minimum of -5°C (23°F) and a maximum of 18°C (64°F), averaging around 7°C (45°F). Precipitation is slightly lower, at 104 mm (4.1 in) across 16 days, and humidity is also marginally lower at 87%. For more specific insights on March weather in Gaillimh, check out Gaillimh weather in March.
When comparing the weather in October and April, both months exhibit a notable range of temperatures, yet October generally feels milder. In October, temperatures fluctuate from a chilly -1°C (31°F) to a comfortable max of 20°C (68°F), with an average of 11°C (51°F). In contrast, April sees slightly cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 22°C (71°F), averaging around 9°C (49°F).
Additionally, October is wetter, with 113 mm (4.4 in) of precipitation over 17 days, compared to April's 63 mm (2.5 in) across 10 days. Humidity levels are also higher in October at 91%, while April sits at 86%. For a more detailed look at the climate during April, you can check Gaillimh weather in April.
October and May present contrasting weather experiences. In October, temperatures range from a chilly -1°C (31°F) to a milder 20°C (68°F), with an average of 11°C (51°F). The month is marked by significant rainfall, receiving 113 mm (4.4 in) over 17 days, and high humidity at 91%. In contrast, May enjoys slightly warmer temperatures, with minimums also at -1°C (31°F), but an average of 12°C (53°F) and maximums reaching 25°C (78°F). This month sees less precipitation, totaling 70 mm (2.8 in) over 13 days, and lower humidity at 83%. For a closer look at the weather specifics during May, you can visit Gaillimh weather in May.
When comparing the weather in October and June, several notable differences arise. October experiences significantly cooler temperatures, with average highs around 11°C (51°F) and lows dipping to -1°C (31°F), whereas June boasts warmer temperatures, averaging highs of 30°C (87°F) and lows of 4°C (40°F). Additionally, October sees more precipitation, accumulating 113 mm (4.4 in) over 17 days, compared to June's 83 mm (3.3 in) spread over 15 days. While October's humidity is at a higher level of 91%, June maintains a slightly lower humidity at 83%, contributing to a more comfortable atmosphere during the summer month. For more details on the weather specifics in June, you can check Gaillimh weather in June.
When comparing the weather in October to that of July, notable differences emerge. October presents a cooler climate, with temperatures ranging from a minimum of -1°C (31°F) to a maximum of 20°C (68°F), while July enjoys warmer temperatures, with lows of 6°C (43°F) and highs reaching up to 29°C (85°F). Additionally, October experiences more precipitation, averaging 113 mm (4.4 in) over 17 days, compared to July's 85 mm (3.4 in) over just 13 days. Humidity levels are also slightly higher in October at 91%, compared to 85% in July, creating a distinctly more damp atmosphere as the year draws to a close. For more details on July weather in Gaillimh, visit Gaillimh weather in July.
October weather is generally cooler and wetter compared to August. While October sees daily temperatures ranging from a minimum of -1°C (31°F) to a maximum of 20°C (68°F), August offers milder temperatures with a minimum of 6°C (44°F) and a maximum of 24°C (75°F). Additionally, October experiences higher humidity at 91%, compared to August's 85%. Precipitation is also notable, with October receiving about 113 mm (4.4 in) over 17 days, slightly less than August, which has 122 mm (4.8 in) across 18 days. For more details on August weather, visit Gaillimh weather in August.
October brings cooler temperatures compared to September, with average highs dropping from 26°C (80°F) in September to 20°C (68°F) and lows dipping significantly to a minimum of -1°C (31°F). Precipitation also increases in October, with 113 mm (4.4 in) of rain spread over 17 days, compared to September's 82 mm (3.2 in) across 14 days. Humidity is slightly higher in October at 91%, reflecting the transition to more Autumn-like conditions. For more detailed weather information, check Gaillimh weather in September.
October's weather is generally milder, with average temperatures reaching up to 11°C (51°F) and maximums of 20°C (68°F). In contrast, November sees a slight drop in temperatures, averaging 8°C (47°F) and peaking at 15°C (60°F). While October experiences more precipitation, totaling 113 mm (4.4 in) over 17 days, November is slightly drier with 94 mm (3.7 in) over 16 days. Overall, both months have high humidity, around 91% in October and 92% in November, contributing to a damp and chilly atmosphere. For a detailed outlook, you can check Gaillimh weather in November.
In October, the weather is milder with average temperatures reaching around 11°C (51°F) and a maximum of 20°C (68°F), whereas December experiences cooler conditions, with average temperatures dropping to 7°C (45°F) and highs of 14°C (57°F). Both months see similar levels of precipitation, with October slightly wetter at 113 mm (4.4 in) compared to December's 110 mm (4.3 in), and both have precipitation on about 17 days. Humidity levels are fairly high in both months, although October is a tad more humid at 91%, compared to December's 89%. For more detailed insights, you can check the Gaillimh weather in December.
As October unfolds in Gaillimh, the weather shifts notably from the warmer, drier months of summer. Temperatures begin to dip, settling into a cooler average, while the chance of rain increases significantly with a surge in precipitation days. The air feels wetter too, with humidity levels soaring, creating a distinctly crisp atmosphere characteristic of autumn. This seasonal transition not only enhances the landscape's beauty but also invites locals and visitors alike to embrace the cozy charms of fall. For a deeper look at how Gaillimh's climate shifts throughout the year, explore our detailed page on Gaillimh Climate.