October Weather in Sligo, Ireland

Last updated: March 17, 2025

In October, Sligo, Ireland, experiences a blend of cool temperatures and frequent rainfall, making it a quintessential autumn month. Daily highs reach a pleasant 20°C (68°F), while the average temperature hovers around 10°C (51°F), providing a crisp yet manageable climate. As the month progresses, temperatures can dip to a chilly 0°C (32°F) at night. Rain is a constant companion, with an average precipitation total of 131 mm (5.2 in) spread over 20 days, resulting in an 87% humidity level that underscores the region's lush landscape. This combination of cool weather and wet conditions enriches Sligo's natural beauty, inviting visitors to soak in its vibrant autumnal scenery.

October Temperature in Sligo

October in Sligo, Ireland, ushers in a noticeable transition as temperatures start to dip in preparation for winter. With minimums around 0°C (32°F) and average temperatures settling at 10°C (51°F), this month feels crisp yet manageable. The maximums can still reach up to 20°C (68°F), offering pleasant, mild days that invite outdoor exploration. As the warmth of summer fades, October stands out as a month where layers become essential, highlighting the region's beautiful autumn colors against a backdrop of shifting skies. This blend of cooler mornings and temperate afternoons makes for an enchanting time to experience the charm of Sligo.

October Weather in Sligo: Daily Temperature Highs, Lows, and Averages

The chart illustrates October temperature patterns in Sligo, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424244475256595855504643
Data source: Temperature data for Sligo generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Sligo

In October, Sligo experiences a notable shift in weather patterns, with precipitation amounting to 131 mm (5.2 in) over the month, mirroring the wet conditions of February. This marks an increase in rainfall compared to the drier months that precede it, such as April and May. The month is characterized by 20 days of rain, contributing to the region's lush landscape and vibrant autumn hues. This uptick in precipitation aligns with the trend seen in the late summer and early autumn months, suggesting that as the year winds down, Sligo becomes increasingly drenched, setting the stage for the upcoming winter months.

October Precipitation Trends in Sligo

The chart displays monthly precipitation patterns in Sligo, with values for each month alongside October's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how October's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec881311196586117109158106131115119
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

October Humidity in Sligo

In October, Sligo experiences humidity levels that mirror the high moisture content of the preceding months, settling at 87%. This marks a slight rise from September's 87%, continuing the trend of increasing humidity during the autumn. Notably, the summer months of July and August peak with 86%, hinting at a gentle transition into the wetter season. Overall, Sligo’s humidity levels are relatively consistent throughout the year, fluctuating modestly between 83% and 88%, yet October stands out as a month where the dampness begins to feel especially pronounced, paving the way for the crispness of winter.

October Average Humidity in Sligo

This chart illustrates the average monthly humidity levels in Sligo, with October's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how October's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec84%84%83%84%83%84%86%86%87%87%88%84%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Sligo

In October, Sligo experiences a moderate UV Index of 3, indicating a slightly calmer shift from the more intense summer months. As the days grow shorter and temperatures begin to cool, the burn time increases to 30 minutes, offering a reminder to remain cautious while enjoying the autumn sunshine. This marks a transition from the very high indices seen in the peak summer months of June and July, which boasted burn times as short as 15 minutes. Overall, as winter approaches, the UV levels gradually decline from high and moderate readings earlier in the year, emphasizing the importance of sun safety throughout the seasonal transitions. For more information on Sligo's UV trends, check out Sligo UV Index.

Maximum UV Index Levels in Sligo for October

The chart shows the monthly maximum UV Index (UVI) for Sligo in October, representing the highest UV radiation level. The UVI measures the intensity of ultraviolet radiation from the sun, indicating the potential risk of sunburn and UV-related health issues.
JanFebMarAprMayJunJulAugSepOctNovDec124578875321
Data source: Sligo October UVI data generated using information from the Copernicus Climate Change Service.

UV Risk Categories

  •  Extreme (11+): Avoid the sun, stay in shade.
  •  Very High (8-10): Limit sun exposure.
  •  High (6-7): Use SPF 30+ and protective clothing.
  •  Moderate (3-5): Midday shade recommended.
  •  Low (0-2): No protection needed.

October Sunshine in Sligo

October in Sligo, Ireland, brings a delightful blend of rich autumn hues and a significant amount of sunshine. With 202 hours of sunlight, it stands as a transitional month, showcasing a gradual decline from the brilliant brightness of summer. In contrast to the brightest months like May and July, October receives nearly half as much sunlight, yet it still outshines the dimmer days ahead in November and December. As the landscape transforms with vibrant foliage, the golden hours of October create a perfect backdrop for outdoor exploration and appreciation of this stunning coastal region. The balance of sunny days is a beautiful reminder that while summer fades, the charm of Sligo endures, inviting both locals and travelers to bask in its October glow.

Monthly Sunshine Duration in Sligo: October Highlighted

The October sunshine duration represents the total number of hours Sligo experiences direct sunlight during the month of October, excluding cloudy or obstructed periods. This chart compares the sunshine duration of October with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec62h127h163h275h365h335h336h287h257h202h102h71h
Data source: Sligo October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Sligo During October

In October, Sligo, Ireland, experiences a modest 15% chance of sunny weather, making it one of the months where sunshine feels elusive. This percentage follows a drop in optimism as the year progresses, with peaks of clarity seen in April and May at 36% and 33%, respectively. As summer fades, the likelihood of sun diminishes, reflected in October's similar statistics to its preceding months of September (14%) and August (16%). The trend indicates that while the days might be cooler and cloudier, October still offers occasional breaks of sun, inviting donning a jacket for a brisk walk under whichever light the sky might provide.

Percentage of Sunny Days in October in Sligo

The chart illustrates the percentage of sunny days in Sligo throughout the year, with October highlighted. It highlights the variation in sunshine across each month and provides an overview of the typical frequency of sunny days, offering insights into how often Sligo experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%19%12%37%33%15%21%16%14%15%18%13%
Data source: Sligo October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Sligo in October

As October unfolds in Sligo, Ireland, daylight begins to wane, offering a stark contrast to the long, bright days of summer. With about 10 hours of daylight, the month signals the gradual transition into the darker winter months ahead. Following the peak of summer when the sun graced the skies for up to 17 hours a day in June, October is a reminder of nature's cyclical rhythm. The shifts in daylight from 16 hours in July to now just 10 hours reflect a smoothing curve, as the golden hues of autumn remind us to savor the fleeting hours of light. Anticipation builds for the approaching season, where daylight dwindles further to 8 hours in November and 7 hours in December, yet October's glow continues to enchant with its crisp, invigorating days.

Average Daylight Hours in Sligo for October

The chart illustrates the variation in daylight duration in Sligo throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 58m9h 45m11h 54m14h 6m16h 3m17h 5m16h 31m14h 46m12h 38m10h 27m8h 28m7h 24m
Data source: Sligo daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Sligo

As October arrives in Sligo, Ireland, the average wind speed picks up to 4.2 m/s (9 mph), offering a noticeable shift from the calmer days of summer. This gentle breeze heralds the transition from the quieter months of July and August, where winds dipped to their lowest at 2.4 m/s (5 mph). Following a slight increase in September, October's winds start to mirror the more robust gusts typical of late autumn, which continue to rise into November and December, peaking around 4.7 m/s (11 mph). The evolving wind patterns reflect the seasonal shift—a reminder of nature's rhythm as it prepares for the forthcoming winter months.

Average October Wind Speed in Sligo

The chart displays monthly wind speed patterns in Sligo, with values for each month shown alongside October's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how October's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec3.55.44.43.43.73.72.43.13.24.2 m/s4.44.7
Data source: Sligo October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Sligo Compares to Other Months

The weather in Sligo 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 Sligo and find detailed weather information for every month.

In October, the weather becomes notably milder, with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 20°C (68°F) and an average of 10°C (51°F). The month sees significant rainfall, with 131 mm (5.2 in) spread over 20 days and a high humidity level of 87%. In contrast, January ushers in colder conditions, with a minimum temperature dropping to -3°C (27°F) and a milder maximum of 14°C (57°F), averaging 6°C (42°F). January has less precipitation, totaling 88 mm (3.4 in) over 15 days, and slightly lower humidity at 84%. For more detailed information about January weather, check out Sligo weather in January.

October and February both experience significant rainfall, with each month recording approximately 131 mm (5.2 in) over a similar number of days—20 in October and 17 in February. However, October tends to be milder, with temperatures ranging from a minimum of 0°C (32°F) and an average of 10°C (51°F) to a maximum of 20°C (68°F). In contrast, February is cooler overall, featuring temperatures that dip as low as -4°C (25°F) and an average of 6°C (43°F) to a maximum of 15°C (59°F). Additionally, October's higher humidity level at 87% creates a more moist atmosphere compared to February's slightly lower 84%. For more detailed insights into February weather, you can check Sligo weather in February.

October and March both showcase a transition in weather, but with distinct characteristics. In October, the temperatures range from a chilly 0°C (32°F) at night to a warmer 20°C (68°F) during the day, averaging around 10°C (51°F). The month is quite wet, experiencing 131 mm (5.2 in) of precipitation over 20 days, with a high humidity level of 87%. In contrast, March tends to be cooler with minimum temperatures dipping to -4°C (24°F) and daytime highs reaching up to 17°C (63°F), averaging at 6°C (44°F). Precipitation in March is slightly less at 119 mm (4.7 in) over 18 days and humidity is a bit lower at 83%. For more insights about March weather specifically, you can check Sligo weather in March.

In comparing the weather between October and April, October tends to have slightly warmer temperatures, with averages around 10°C (51°F) and a maximum of 20°C (68°F), while April sees averages of 9°C (48°F) with a peak of 21°C (70°F). However, April has cooler minimum temperatures, dropping to -2°C (29°F), compared to October’s minimum of 0°C (32°F). Precipitation is more frequent in October, with 131 mm (5.2 in) spread over about 20 days, compared to April's 65 mm (2.6 in) over 13 days. Both months experience high humidity, though October is slightly higher at 87%, compared to April's 84%. For more detailed information about April's weather, you can visit Sligo weather in April.

In October, temperatures range from a chilly 0°C (32°F) at night to a mild 20°C (68°F) during the day, with an average of 10°C (51°F). The month is characterized by higher precipitation, averaging 131 mm (5.2 in) over 20 days, and a humidity level of 87%. In contrast, May offers a broader temperature range, with minimums of -1°C (31°F) and maximums reaching 25°C (77°F) for an average of 11°C (53°F). Rainfall is lower, totaling 86 mm (3.4 in) across 15 days, and humidity slightly decreases to 83%. For more details on the weather during this vibrant month, visit Sligo weather in May.

When comparing the weather in October and June, several key differences emerge. October features cooler temperatures, with a minimum of 0°C (32°F) and an average of 10°C (51°F), while June enjoys warmer conditions, starting at a minimum of 5°C (41°F) and peaking at an average of 13°C (57°F). The maximum temperatures in October reach only 20°C (68°F), whereas in June, they can soar to 29°C (84°F). Although both months experience significant rainfall, October has slightly higher precipitation at 131 mm (5.2 in) over 20 days, compared to June's 117 mm (4.6 in) over 17 days. Humidity levels are also comparable, with October at 87% and June slightly lower at 83%. For more details on June's weather, you can visit Sligo weather in June.

When comparing the weather between October and July, notable differences emerge in temperature and precipitation patterns. October experiences cooler temperatures, with a minimum of 0°C (32°F) and an average of 10°C (51°F), while July is significantly warmer, with temperatures ranging from a minimum of 8°C (46°F) to a maximum of 28°C (83°F). Additionally, October sees more precipitation, totaling 131 mm (5.2 in) over approximately 20 days, compared to July's 109 mm (4.3 in) over 16 days. Humidity remains relatively high in both months, at 87% in October and 86% in July, contributing to a dampness that characterizes the autumn season. For more detailed weather insights, you can refer to Sligo weather in July.

In comparing the weather between October and August, October tends to be cooler with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 20°C (68°F), with an average of 10°C (51°F). In contrast, August experiences milder temperatures, with a minimum of 6°C (43°F) and a maximum of 24°C (75°F), averaging at 15°C (59°F). Rainfall is also notable, with October receiving 131 mm of precipitation over 20 days, while August has slightly more rainfall at 158 mm across 22 days. The humidity levels are comparable, sitting at 87% for October and 86% for August. For a detailed overview, check out Sligo weather in August.

In comparing the weather between September and October, October tends to be cooler, with average temperatures ranging from a minimum of 0°C (32°F) to a maximum of 20°C (68°F), whereas September enjoys slightly warmer temperatures, with a range of 2°C (36°F) to 24°C (76°F). Additionally, October experiences more precipitation, accumulating 131 mm (5.2 in) over 20 days, compared to September's 106 mm (4.2 in) over 18 days. Despite the increased rainfall in October, both months maintain a consistently high humidity of 87%. For more details on September's climate, you can check Sligo weather in September.

October and November exhibit notable changes in weather characteristics. October tends to be slightly warmer with temperatures ranging from a minimum of 0°C (32°F) to a maximum of 20°C (68°F), resulting in an average of 10°C (51°F). The month experiences a higher level of precipitation at 131 mm (5.2 in) over 20 days, accompanied by a humidity level of 87%.

In contrast, November sees a drop in temperatures, with a minimum of -3°C (27°F) and a maximum of 15°C (59°F), leading to a cooler average of 8°C (46°F). Although November has slightly less precipitation at 115 mm (4.5 in) over 19 days, the humidity remains high at 88%. For more detailed weather information, you can check Sligo weather in November.

October and December showcase notable differences in weather patterns. October tends to be milder, with average temperatures around 10°C (51°F) and a maximum reaching 20°C (68°F), while December's average dips to 6°C (44°F) and peaks at 13°C (55°F). Precipitation remains consistent in both months, with October receiving 131 mm (5.2 in) and December slightly less at 119 mm (4.7 in), yet both experience rain on about 20 days. Additionally, humidity levels are slightly higher in October at 87%, compared to December's 84%. For more detailed insights, you can check out the Sligo weather in December.

Compare Sligo's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Sligo

As October rolls in, Sligo experiences a distinctive shift in its weather patterns compared to the sunnier, drier months preceding it. With a maximum temperature of 20°C (68°F) giving way to cooler averages around 10°C (51°F) and even dipping to 0°C (32°F) at times, the crisp air serves as a reminder that winter is on the horizon. It's a particularly wet month, with precipitation occurring on about 20 days, contributing to an overall 131 mm (5.2 in) of rain, which fosters the lush landscapes Sligo is known for. The high humidity of 87% adds to the atmospheric chill, making October a month of transformation, where vibrant autumn colors clash with frequent rain showers. If you're curious to learn more about the yearly climate dynamics, check out Sligo Climate.