October Weather in Castlewellan, United Kingdom

Last updated: March 17, 2025

In Castlewellan during October, the weather showcases a typical blend of cool temperatures and frequent precipitation, making for a refreshing yet damp month. With a maximum temperature reaching 18°C (64°F) and an average of 11°C (52°F), residents can expect crisp days, while the minimum dips to 2°C (37°F), particularly in the evenings. October brings about 104 mm (4.1 in) of rainfall over 17 days, resulting in a relatively high humidity level of 89%. This combination creates a lush, vibrant landscape, perfect for enjoying the beauty of autumn’s foliage amidst the scattered showers.

October Temperature in Castlewellan

In Castlewellan, United Kingdom, October marks a distinct transition into the cooler months. With temperatures ranging from a minimum of 2°C (37°F) to a maximum of 18°C (64°F), this month showcases a mild average of 11°C (52°F). Notably, October retains a warmth that lingers from the summer, as it bridges the gap to the chill of winter. As the leaves begin to change and the air turns crisp, you can feel the shift in the seasons, with temperatures gradually declining from the more temperate September. While the days are shorter, the pleasant autumn climate invites outdoor exploration, making it a delightful time to experience the natural beauty of this region.

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

The chart illustrates October temperature patterns in Castlewellan, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec434344475257605956524744
Data source: Temperature data for Castlewellan generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

October Precipitation in Castlewellan

October in Castlewellan, United Kingdom, is marked by a notable increase in precipitation, with 104 mm (4.1 in) of rain accumulating over 17 days. This month sits prominently within the region's wet season, showcasing a significant rise from the drier summer months, where July and August recorded lower rainfall totals of 85 mm and 120 mm, respectively. October's precipitation is mirrored in November, which also experiences high rainfall, suggesting a transition into a more robust autumn pattern. Interestingly, while September still sees considerable rainfall, October's totals indicate a tendency for wetter conditions as the year draws to a close, setting the stage for the upcoming winter months.

October Precipitation Trends in Castlewellan

The chart displays monthly precipitation patterns in Castlewellan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6899924766788512083104113104
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Castlewellan

As the crisp autumn air settles in Castlewellan, October experiences a notable rise in humidity, reaching 89%. This uptick marks a continuation of the trend observed through the late summer months, where humidity had been predominantly high, peaking at 88% in September. The overall pattern reveals a gradual increase in moisture levels as the year progresses, peaking in the fall months before slightly tapering off into winter. This consistent humidity, particularly in October, creates a unique atmospheric charm that shrouds the landscape in a misty embrace, ultimately setting the stage for the colder, yet slightly drier winter months ahead.

October Average Humidity in Castlewellan

This chart illustrates the average monthly humidity levels in Castlewellan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Castlewellan

As October arrives in Castlewellan, the UV Index dips to a moderate level of 3, providing a slight reprieve from the sun's intensity experienced in the summer months. With an estimated burn time of 30 minutes, it's essential to remain mindful of sun exposure, especially during clearer days. This trend reflects a gradual decline from the high UV levels of May to August, where the Index peaked at 8, indicating very high exposure risk. The transition in October signals the approach of winter, when the Index typically falls to low levels by November. To stay informed about the ever-changing UV conditions, visit Castlewellan UV Index.

Maximum UV Index Levels in Castlewellan for October

The chart shows the monthly maximum UV Index (UVI) for Castlewellan 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578865321
Data source: Castlewellan 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 Castlewellan

As October arrives in Castlewellan, the days still bask in plenty of sunshine, with an impressive 232 hours lighting up the autumn landscape. This month marks a transition from the vibrant summer months, where sunshine peaked at 403 hours in May and remained high through July and August. Though the sunlight begins to wane, October's hours stand in stark contrast to the dimmer winter months ahead, such as November and December, which see only 115 and 87 hours, respectively. The gentle decline from the summer months showcases the seasonal shifts, yet October holds onto enough warmth and brightness to make it a beautiful time to explore the enchanting scenery of Castlewellan.

Monthly Sunshine Duration in Castlewellan: October Highlighted

The October sunshine duration represents the total number of hours Castlewellan 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.
JanFebMarAprMayJunJulAugSepOctNovDec81h150h209h322h403h394h399h349h295h232h115h87h
Data source: Castlewellan October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Castlewellan During October

In Castlewellan, United Kingdom, the likelihood of enjoying sunny weather begins to wane as October arrives, with only a 19% chance of sun. This marks a steady decline from the more optimistic sunniest months of April (43%) and May (35%). The diminishing daylight and cooler temperatures signify the transition into autumn, where the sun becomes a rarer sight compared to the summer months. As we move from September (21%) into October, it’s clear that residents and visitors alike should prepare for more overcast days as the year closes, reflecting the town’s trend towards cloudier skies in the latter part of the year.

Percentage of Sunny Days in October in Castlewellan

The chart illustrates the percentage of sunny days in Castlewellan 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 Castlewellan experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec28%22%21%43%35%24%32%23%21%19%23%16%
Data source: Castlewellan October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Castlewellan in October

As autumn settles in Castlewellan, October marks a transition with approximately 10 hours of daylight, a noticeable decrease from the brighter summer months. The year's daylight duration peaks in June with 17 hours, gradually tapering down as the days grow shorter. Following a heartwarming 16 hours in May and 14 hours in August, October's light signifies the onset of winter's embrace. While the month offers more daylight than the approaching winter months of November and December, it still invites the cozy atmosphere of autumn evenings, highlighting the cyclical rhythm of nature in this picturesque corner of the United Kingdom.

Average Daylight Hours in Castlewellan for October

The chart illustrates the variation in daylight duration in Castlewellan 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: Castlewellan daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Castlewellan

As October sweeps into Castlewellan, United Kingdom, it brings a refreshing breeze with an average wind speed of 5.4 m/s (12 mph). This slight increase from the previous month marks a transition into the fall season, where winds begin to pick up after the calmer summer months. Generally, the wind patterns in Castlewellan show a gradual escalation in strength from the summer lull, culminating in higher speeds as the year progresses into November and December. October’s winds serve as a gentle reminder of the changing seasons, offering not just a soundtrack of rustling leaves but also a hint of the chill that will soon accompany the shorter days. The consistent rise in wind speed through autumn suggests a spirited invitation to embrace the outdoors as nature prepares for its winter slumber.

Average October Wind Speed in Castlewellan

The chart displays monthly wind speed patterns in Castlewellan, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.06.95.33.94.44.22.93.73.95.4 m/s5.55.6
Data source: Castlewellan October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Castlewellan Compares to Other Months

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

October and January present contrasting weather patterns. In October, temperatures range from a mild 2°C (37°F) at night to a pleasant average of 11°C (52°F) during the day, peaking at 18°C (64°F). With 104 mm (4.1 in) of precipitation over 17 days, October is notably wetter and more humid, boasting a humidity level of 89%. In contrast, January features cooler temperatures, with nighttime lows dipping to -2°C (29°F) and daytime averages around 6°C (43°F), reaching a maximum of 13°C (56°F). The month sees less precipitation at 68 mm (2.7 in) spread over 12 days, while humidity is slightly lower at 87%. For more detailed information, you can check Castlewellan weather in January.

In comparing the weather of October and February, October tends to be slightly warmer with average temperatures ranging from 2°C (37°F) to a maximum of 18°C (64°F), while February experiences colder conditions, with averages from -1°C (31°F) to a maximum of 12°C (55°F). Both months see a similar amount of precipitation, with October at 104 mm (4.1 in) and February close behind at 99 mm (3.9 in), falling over approximately 17 days in each month. Humidity levels are also comparable, with October at 89% and February slightly lower at 86%. For more detailed insights on February weather, you can check out Castlewellan weather in February.

When comparing the weather in October and March, we see some notable differences. October tends to be milder with an average temperature of 11°C (52°F), while March is cooler, averaging around 7°C (44°F). Despite March having slightly lower average temperatures, it also experiences a minimum temperature of -3°C (27°F), making it chillier at night compared to October’s minimum of 2°C (37°F). Precipitation levels are fairly similar in both months, with October receiving 104 mm (4.1 in) over 17 days and March slightly less at 92 mm (3.6 in) over 16 days. Humidity remains high in both months, but October is a bit more humid at 89% compared to March's 86%. For a closer look at the typical weather conditions during March, you can visit Castlewellan weather in March.

When comparing the weather in October and April, we notice distinct differences in temperature and precipitation. October typically experiences milder temperatures, with a minimum of 2°C and an average of 11°C, while April starts off cooler, with minimums around 0°C and an average of 8°C. In terms of maximum temperatures, October reaches up to 18°C, compared to April's maximum of 16°C. Additionally, October is significantly wetter, with 104 mm of precipitation over 17 days, while April has only 47 mm over 9 days. Humidity levels are also slightly higher in October at 89%, compared to April’s 85%. For more details about the weather conditions in April, visit Castlewellan weather in April.

In October, the weather features cooler temperatures with a minimum of 2°C (37°F) and a maximum of 18°C (64°F), making it a transitional month. With an average temperature of 11°C (52°F), October experiences significant precipitation, totaling 104 mm (4.1 in) over 17 days, and a high humidity level of 89%. In contrast, May offers slightly warmer conditions, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 19°C (67°F) and an average of 11°C (52°F). Precipitation is also lower in May, accumulating to 66 mm (2.6 in) over just 12 days, accompanied by a humidity level of 82%. For more detailed information on May weather, check out Castlewellan weather in May.

When comparing the weather of October and June, it's clear that June tends to be warmer and more pleasant. In June, temperatures range from a minimum of 7°C (44°F) to a maximum of 24°C (75°F), with an average of 14°C (57°F). This contrasts sharply with October, where temperatures drop significantly to a minimum of 2°C (37°F) and peak at 18°C (64°F), averaging 11°C (52°F). Additionally, October experiences higher precipitation, averaging 104 mm (4.1 in) over 17 days, while June has less rain at 78 mm (3.1 in) over 14 days. The humidity is also slightly higher in October at 89%, compared to June's 84%. For a detailed look at summer weather patterns, check out Castlewellan weather in June.

When comparing the weather in October and July, notable differences emerge. October features cooler temperatures, with a minimum of 2°C (37°F) and a maximum of 18°C (64°F), while July enjoys milder conditions, ranging from a minimum of 9°C (48°F) to a maximum of 24°C (76°F). Additionally, October experiences more precipitation, totaling 104 mm (4.1 in) over 17 days, compared to July's 85 mm (3.3 in) across 14 days. Despite slightly higher humidity in October at 89%, both months maintain a fairly high humidity level, with July at 86%. For a detailed look at July's weather patterns, you can check Castlewellan weather in July.

October weather is significantly cooler than August, with average temperatures ranging from a minimum of 2°C (37°F) to a maximum of 18°C (64°F), compared to August's milder range of 9°C (48°F) to 21°C (69°F). Additionally, October experiences more rainy days, with precipitation occurring over 17 days and totaling 104 mm (4.1 in), while August sees slightly higher rainfall at 120 mm (4.7 in) over 18 days. Despite August being wetter overall, October's humidity is slightly higher at 89%, compared to August's 86%. For more details, check out Castlewellan weather in August.

In comparison to September, October experiences cooler temperatures, with a minimum of 2°C (37°F) and an average of 11°C (52°F), compared to September's minimum of 5°C (41°F) and average of 13°C (56°F). Additionally, October sees slightly more precipitation, totaling 104 mm (4.1 in) over 17 days, while September has 83 mm (3.3 in) over 16 days. Humidity levels remain fairly high in both months, with October at 89% and September at 88%. For more details on September weather, you can visit Castlewellan weather in September.

October typically experiences milder temperatures compared to November, with averages around 11°C (52°F) and a maximum of 18°C (64°F). In contrast, November sees temperatures drop to an average of 8°C (47°F) and a max of 14°C (58°F). Precipitation increases slightly in November, totaling 113 mm (4.5 in) over 16 days of rain, compared to October's 104 mm (4.1 in) across 17 days. Both months maintain high humidity levels, around 89% for October and increasing to 90% in November, indicating a continued dampness in the air. For more detailed insights about this change in weather, check out Castlewellan weather in November.

October and December present notably different weather patterns. In October, temperatures range from a minimum of 2°C (37°F) to a maximum of 18°C (64°F), with an average of 11°C (52°F). The month experiences significant precipitation, with 104 mm (4.1 in) spread over 17 days, and the humidity is relatively high at 89%. In contrast, December sees slightly cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 13°C (55°F), averaging 7°C (44°F). While precipitation remains the same at 104 mm (4.1 in), it occurs over just 14 days, and humidity is slightly lower at 86%. For more details on the December weather, visit Castlewellan weather in December.

Compare Castlewellan's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Castlewellan

As October unfolds in Castlewellan, the landscape transforms with cooler temperatures and increasing rainfall, setting it apart from the warmer months. With an average temperature of around 11°C, this month invites a crispness that heralds the approach of winter. Frequent precipitation punctuates October, as rain graces the region on about half the days, contributing to a relatively high humidity of 89%. The cool breezes and vibrant autumn foliage make October not only a distinct shift from the summer warmth but also a captivating time to experience the natural beauty of Castlewellan. For more insights on what to expect, visit Castlewellan Climate.