Last updated: March 17, 2025
In October, Donegal, Ireland, presents a mild yet variable climate, with maximum temperatures reaching up to 19°C (67°F) and an average of 10°C (50°F). As the month progresses, minimum temperatures can drop to 0°C (32°F), highlighting the transition into autumn. Rainfall is a significant feature, with a total precipitation of 139 mm (5.5 in) spread across 20 rainy days, contributing to the lush, green landscape for which Ireland is renowned. The air is often humid, averaging 87%, making for a crisp atmosphere perfect for exploring the region's stunning natural beauty.
As October unfolds in Donegal, Ireland, temperatures take a distinct turn reflecting the transition into autumn. The month starts with a minimum of 0°C (32°F), signaling cooler days ahead, while the average temperature hovers around 10°C (50°F), offering a crisp yet invigorating atmosphere. The maximum temperature peaks at a pleasant 19°C (67°F), a welcome respite reminiscent of the lingering warmth from summer. This month marks a notable shift from the milder September, showcasing a drop in averages but still retaining enough warmth for outdoor activities. As the leaves change and the air becomes sharper, October's climate in Donegal encapsulates the beauty of seasonal change, making it an ideal time to embrace the stunning landscapes adorned in autumn hues.
October in Donegal, Ireland, sees a noticeable uptick in precipitation, with 139 mm (5.5 in) of rain falling over 20 days. This marks a slight increase from the rain-drenched September, which recorded 112 mm (4.4 in). As autumn takes hold, the region experiences more frequent showers, ranking October among the wetter months of the year. The trend of increasing rainfall continues from the summer months, where August's 164 mm (6.5 in) stands out as the month's peak. However, the shift towards October's chillier and wetter conditions hints at the impending winter, with November showing only a modest decrease in precipitation, indicating that Donegal's lush landscapes will remain vibrant and green as the season progresses.
October in Donegal, Ireland, sees humidity levels at 87%, reflecting a noticeable trend as the year transitions into autumn. This month shares the same humidity level with September, following a gradual increase from the summer months, which peaked at 86% in both July and August. As the year progresses, there's a clear inclination towards higher humidity, particularly from late summer into fall. Interestingly, November comes in with an even higher percentage at 88%, indicating that the damp, coastal climate of Donegal remains a constant presence as the seasons shift. The overall consistency in humidity levels, hovering around the mid-80s throughout the year, underscores the region's distinct maritime climate.
As October arrives in Donegal, the UV Index takes a step back from the summer highs, settling at a moderate 3. This shift signifies a reduced need for sunscreen compared to the sun-drenched months of June and July, where the index soared to 8. With a burn time of approximately 30 minutes, October invites locals and visitors alike to enjoy the beautiful autumn landscapes while remaining mindful of sun exposure. The trend shows a gradual decline in UV intensity as we transition into winter, with November and December bringing further relief with low exposure categories. For those keen on understanding the finer details of UV exposure throughout the year, Donegal UV Index provides comprehensive insights.
UV Risk Categories
October brings a remarkable transition to Donegal, Ireland, as the days continue to shorten while the stunning autumn colors emerge. With 214 sunshine hours, October sits comfortably between the tail end of summer and the onset of winter. This month showcases a notable decrease from the sun-drenched days of June and July, which bask in over 360 hours of sunshine. As the vibrant hues of fall settle in, October is still a charming time to explore the scenic landscapes, offering ample daylight for outdoor adventures and cozy moments amidst the crisp air. While the luminous autumn sun may not rival summer's brightness, it creates a delightful backdrop that invites visitors to savor the beauty of Donegal.
In Donegal, Ireland, the likelihood of sunny weather takes a noticeable dip as October rolls in, with only a 14% chance of sunshine. This trend reflects the region's transition into autumn, where the days become shorter and cloud cover begins to dominate. While April offers a more optimistic 35% chance for sun, October's figures signal a significant shift, closely aligning with the cloudy conditions seen in the early winter months. Interestingly, October's sunshine likelihood, although lower than spring and early summer months, still surpasses the bleakness of December, which hits just 10%. As the vibrant hues of fall foliage prevail, October is best embraced for its rich landscapes rather than its elusive sunny skies.
As autumn settles in Donegal, October brings a gentle shift in daylight, offering about 10 hours of sunlight each day. This marks a notable transition from the lengthy, sun-drenched days of summer, where June peaks at 17 hours of daylight. As the year progresses, daylight gradually wanes from the longer months of May and June through to September, leading us into the shorter days of late autumn and winter. The descent to 10 hours in October signifies the start of a cozy season, where evenings begin to lengthen, inviting a reflective atmosphere perfect for enjoying the rich colors of the fall landscape. As daylight continues to diminish, moving towards the 8 hours seen in November, the charm of Donegal’s October stands as a reminder of the fleeting nature of light before the winter months set in.
As October unfolds in Donegal, Ireland, the wind begins to pick up, reaching an average speed of 4.5 m/s (10 mph). This marks a notable increase compared to the calmer summer months, where July recorded a gentle 2.5 m/s (5 mph), offering a serene respite for locals and visitors alike. The transition into autumn is palpable, as the wind picks up the pace, lingering steadily through September's 3.4 m/s (8 mph). As the year approaches its end, the winds continue to gain strength, with November and December both showcasing averages of 4.9 m/s (11 mph) and 4.7 m/s (11 mph) respectively. This upward trend not only signifies the seasonal shift in Donegal’s climate, but also invigorates the rugged beauty of its landscapes, making October a captivating month for those who cherish the bracing embrace of the Irish wind.
The weather in Donegal 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 Donegal and find detailed weather information for every month.
October weather in Donegal showcases a mild transition into autumn, with temperatures ranging from a chilly 0°C (32°F) at night to a warm 19°C (67°F) during the day, accompanied by significant rainfall of 139 mm (5.5 in) over about 20 days. This month is characterized by high humidity at 87%, making the air feel damp and cool. In contrast, January brings colder temperatures, with a minimum of -5°C (24°F) and a maximum of 13°C (56°F). Although January sees less rainfall at 95 mm (3.7 in) over 16 days, the air is still humid at 84%. For a more detailed look at the weather in January, you can check out Donegal weather in January.
October and February present distinct yet similarly variable weather patterns. In October, temperatures range from a chilly 0°C (32°F) to a mild 19°C (67°F), with an average of 10°C (50°F). The month is characterized by significant precipitation, totaling 139 mm (5.5 in) over about 20 days, and a high humidity level of 87%. In contrast, February tends to be colder, with temperatures spanning from -5°C (23°F) to a maximum of 14°C (58°F), resulting in an average of 5°C (42°F). Precipitation in February is slightly higher at 142 mm (5.6 in), spread over 17 days, but with a marginally lower humidity of 84%. For those interested in specific details about February weather, check out Donegal weather in February.
October and March offer contrasting weather experiences. October showcases milder temperatures, with averages around 10°C (50°F) and maximums reaching 19°C (67°F), while March is cooler, with average temperatures hovering at 6°C (43°F) and potential lows of -5°C (24°F). Both months see a fair amount of precipitation, with October receiving about 139 mm (5.5 in) over 20 days and March experiencing slightly less at 128 mm (5.0 in) over 18 days. Humidity levels are also noteworthy, remaining high in both months, at 87% for October and 83% for March. For more details on March weather in Donegal, you can visit Donegal weather in March.
October and April present distinct weather patterns. In October, temperatures range from a chilly 0°C (32°F) to a mild 19°C (67°F), with an average of 10°C (50°F). This month tends to be quite wet, with approximately 139 mm (5.5 in) of precipitation over about 20 days, along with a humidity level of 87%. In contrast, April sees slightly lower temperatures, with a minimum of -2°C (28°F) and a maximum of 20°C (69°F), averaging 8°C (47°F). Precipitation in April is significantly lighter at 65 mm (2.6 in) over 14 days, and humidity is slightly lower at 84%. For more details on the weather patterns specific to April, you can check Donegal weather in April.
In comparing the weather conditions of October and May, October tends to be cooler with average temperatures ranging from 0°C (32°F) to 19°C (67°F), while May offers a more moderate climate, with temperatures varying from -1°C (30°F) to a warmer 25°C (77°F). October experiences greater precipitation, with 139 mm (5.5 in) spread over approximately 20 days, compared to May's 85 mm (3.4 in) over 14 days. Although both months have high humidity, October's humidity of 87% slightly surpasses May's 83%, contributing to a feel of dampness as fall approaches. For a detailed look at what to expect in May, check out Donegal weather in May.
October weather in Donegal tends to be cooler and wetter compared to June. With temperatures ranging from a minimum of 0°C (32°F) to a maximum of 19°C (67°F), October averages around 10°C (50°F). In contrast, June sees milder temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 27°C (82°F), with an average of 13°C (56°F). Additionally, October experiences more precipitation, totaling 139 mm (5.5 in) over approximately 20 days, whereas June has 114 mm (4.5 in) over about 17 days. Humidity levels are slightly higher in October at 87%, compared to 83% in June. For more details, check out Donegal weather in June.
October and July exhibit notable differences in weather patterns. In October, temperatures range from a chilly 0°C (32°F) to a comfortable high of 19°C (67°F), with an average of 10°C (50°F), contrasting with July's warmer range from 6°C (44°F) to a peak of 27°C (81°F) and an average of 15°C (58°F). Additionally, October experiences more frequent rainfall, accumulating around 139 mm (5.5 in) over 20 days, compared to July's 108 mm (4.2 in) over 17 days. Humidity levels are slightly higher in October at 87%, while July remains at 86%. For a detailed look at July weather, you can refer to Donegal weather in July.
When comparing the weather in October to August, we see a notable drop in temperatures. October's minimum temperature is 0°C (32°F), while August has a milder minimum of 5°C (41°F). The average temperatures also reflect this trend, with October averaging 10°C (50°F) compared to August’s warmer 14°C (58°F), and October’s maximum temperature peaks at 19°C (67°F) versus August’s 23°C (73°F).
In terms of precipitation, October experiences 139 mm (5.5 in) over 20 days, slightly less than August, which has 164 mm (6.5 in) over 22 days. Humidity levels are quite similar, with October at 87% and August at 86%. For a closer look at August conditions, you can refer to Donegal weather in August.
October weather is generally cooler and wetter than September's. While September experiences an average temperature of 12°C (55°F) with a maximum of 24°C (76°F), October sees a drop, with average temperatures around 10°C (50°F) and a maximum of only 19°C (67°F). In terms of precipitation, October is slightly wetter, receiving 139 mm (5.5 in) over 20 days compared to September's 112 mm (4.4 in) across 18 days. Both months share a high humidity level of 87%, making the air feel quite damp. For more detailed information on September weather, you can check Donegal weather in September.
October and November show a noticeable shift in temperature, with October generally being milder, boasting an average temperature of 10°C (50°F) compared to November’s 7°C (45°F). The minimum temperature drops from 0°C (32°F) in October to -4°C (25°F) in November, indicative of the cooling trend as winter approaches. Precipitation is slightly lower in November at 116 mm (4.6 in) compared to October's 139 mm (5.5 in), despite both months experiencing rain on approximately 20 days. Humidity remains relatively high in both months, with November slightly higher at 88%. For a more detailed look at the climate, visit Donegal weather in November.
October and December present a notable shift in weather conditions. In October, temperatures range from a minimum of 0°C (32°F) to a maximum of 19°C (67°F), with an average of 10°C (50°F) and high humidity at 87%. Rainfall is also significant, with 139 mm (5.5 in) spread over 20 days. Conversely, December sees cooler temperatures, with a minimum of -2°C (28°F) and a maximum of 13°C (55°F), resulting in an average of 6°C (43°F). It experiences slightly less precipitation at 131 mm (5.2 in) across 21 days, and the humidity decreases to 84%. For more details, check out Donegal weather in December.
As the vibrant hues of autumn settle in, October in Donegal brings a distinctive shift in weather patterns. With temperatures dipping, the month averages a cooler 10°C while experiencing a stark rise in precipitation, featuring rainy days that illuminate the lush landscapes. The combination of high humidity at 87% and frequent downpours creates a hearty atmosphere, contrasting the milder and drier summer months. This transition invites a cozy embrace of wool sweaters and hot drinks as the region prepares for winter's approach. For an in-depth look at how Donegal's climate unfolds throughout the year, visit Donegal Climate.