Last updated: March 17, 2025
October in Nefyn, United Kingdom presents a temperate yet wet climate, where daytime temperatures reach a pleasant maximum of 19°C (66°F), settling at an average of 12°C (55°F). The month is marked by brisk evenings, dipping to a chilly 4°C (39°F). Rainfall is a prominent feature, with an impressive 246 mm (9.7 in) spread over 23 days, resulting in a notably high humidity level of 90%. Visitors can expect a blend of mild temperatures and frequent showers, making October a quintessential, albeit damp, autumn experience in this charming coastal town.
In October, Nefyn, United Kingdom, experiences a pleasant transition into autumn with temperatures that reflect a gradual cooling. The minimum temperature hovers around 4°C (39°F), while the average temperature reaches about 12°C (55°F), offering a mild and comfortable climate for outdoor activities. Daytime highs can still touch a comfortable 19°C (66°F), making it one of the more inviting months as the seasons shift. As the month unfolds, visitors can enjoy the beautiful fall foliage against a backdrop of increasingly crisp air, marking a charming end to the warmer months. The steady decline in temperatures from the balmy summer peaks signifies the onset of sweater weather, making October an ideal time for cozy walks along Nefyn's stunning coastline.
In Nefyn, United Kingdom, October marks a significant spike in precipitation, with an impressive 246 mm (9.7 in) recorded, making it the wettest month of the year. This deluge falls over approximately 23 days, indicating a persistent pattern of rain that often defines the autumn season in the region. Compared to the preceding months, October's rainfall notably eclipses September's 162 mm (6.4 in), further solidifying the trend of increasing precipitation as the year wanes. The wet weather not only contributes to the vibrant, lush landscapes typical of the season but also sets the stage for the even wetter months to follow in November and December, where averages remain high. This seasonal shift highlights the dynamic weather patterns that characterize the Welsh coast, inviting both challenges and beauty to daily life.
In October, Nefyn, United Kingdom, experiences a notable spike in humidity, reaching 90%—the highest level since the start of the year. This increase reflects a gradual upward trend as the year progresses, moving from a low of 78% in July to this peak in autumn. Following a somewhat humid September at 85%, October signals the onset of the wetter months, where humidity levels remain high through November, which also sees an increase to 91%. The transition from the drier summer months to the wetter autumn period illuminates how coastal climates like Nefyn can shift rapidly, offering residents and visitors a reminder of the ever-changing maritime environment.
As October arrives in Nefyn, the UV Index settles at a moderate level of 4, suggesting a 30-minute burn time for fair-skinned individuals. This marks a slight decline from the higher indexes experienced in the summer months, reaching their peak with a high of 8 in both June and July. As autumn unfolds, residents and visitors can enjoy the outdoors with reduced sun exposure risk compared to the bright days of May and August, when the index soared to 7. However, it's still wise to take precautions during outings, particularly on sunnier days, as the sun can still cause harm. For a detailed breakdown of UV levels throughout the year, check out the Nefyn UV Index.
UV Risk Categories
In October, Nefyn basks in 238 hours of sunshine, a delightful transition into autumn that gently contrasts the vibrant summer months. As the days shorten, this month retains a significant amount of sunlight compared to the winter months ahead, notably outshining November and December, which offer only 126 and 109 hours respectively. While October's sunshine diminishes from the peak summer days of July's impressive 421 hours, it still showcases a generous offering of light, allowing residents and visitors to appreciate the stunning coastal views. The gradual tapering of daylight is a reminder of the seasonal shift, yet October holds onto enough brightness to create a warm, inviting atmosphere, perfect for outdoor strolls and early autumn adventures.
In Nefyn, the likelihood of sunny weather takes a noticeable dip in October, with only a 17% chance of sunshine. As summer fades, the transition from warmer months is marked by a decline in clear skies, contrasting sharply with the vibrant 48% chance of sun in April. This trend continues as the seasons change, with September already experiencing a drop to 24%. October's lack of sunshine sets the stage for the onset of winter, where the chance gradually picks up again in November to 20%. Overall, October signals a shift towards less favorable weather, reminding locals and visitors alike to prepare for the cozier, cloudier days ahead.
As October rolls into Nefyn, the transition from the long, sun-drenched days of summer becomes unmistakable. With daylight reaching about 10 hours, the month marks a distinct shift from the vibrant greens of July and August, which boast a full 16 hours of sunlight. October's daylight is a gentle decline from September’s 12 hours, reminding residents that autumn is fully underway. As the days grow shorter, the softer, golden hues of this season hint at the cozy warmth of upcoming evenings, bridging the gap between the lingering daylight of summer and the twilight hours that December will bring, with only 7 hours of daylight. This rhythmic ebb and flow of daylight throughout the year paints a beautiful picture of Nefyn's changing seasons.
As the autumn air settles over Nefyn, October ushers in a notable increase in wind speed, averaging an invigorating 8.2 m/s (18 mph). This surge follows the relatively calm summer months, where winds dipped to their lowest in July at just 4.0 m/s (9 mph). The transition from September's gentle breezes of 4.6 m/s (10 mph) to October's robust gusts signals a shift in the weather, inviting a refreshing chill that complements the vibrant fall foliage. As winter approaches, the winds remain prominent, but October's lively currents stand out, marking it as one of the season's defining months in this picturesque corner of the UK.
The weather in Nefyn 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 Nefyn and find detailed weather information for every month.
October and January showcase distinctly different weather patterns. In October, temperatures generally range from a minimum of 4°C (39°F) to a maximum of 19°C (66°F), with an average temperature of 12°C (55°F). This month also sees considerable precipitation, totaling 246 mm (9.7 in) over 23 days and high humidity at 90%. In contrast, January experiences cooler temperatures, with a minimum of 1°C (35°F) and a maximum of 13°C (56°F), averaging around 7°C (45°F). While January is drier, with 137 mm (5.4 in) of rain over 16 days, its humidity remains relatively high at 89%. For more details about the weather during this winter month, you can visit Nefyn weather in January.
October and February present contrasting weather experiences. In October, temperatures range from a cool 4°C (39°F) at their lowest to a mild 19°C (66°F) at their highest, with an average of 12°C (55°F). The month is notably wetter, seeing 246 mm (9.7 in) of precipitation over 23 days, contributing to a high humidity of 90%. In contrast, February is chillier, with minimum temperatures dipping to -1°C (31°F) and an average of 7°C (45°F), peaking at 13°C (56°F). Although February has less precipitation at 172 mm (6.8 in) over 19 days, the humidity remains slightly lower at 88%. For more details on February's weather, you can visit Nefyn weather in February.
In comparing the weather between October and March, October tends to be milder, with average temperatures ranging from a minimum of 4°C (39°F) to a maximum of 19°C (66°F). It experiences significant rainfall, with 246 mm (9.7 in) over 23 days, contributing to a high humidity level of 90%. Conversely, March exhibits cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 14°C (58°F). It also sees less precipitation, totaling 160 mm (6.3 in) over 19 days, along with a slightly lower humidity of 86%. For a closer look at specific conditions, you can check out Nefyn weather in March.
October and April showcase contrasting weather patterns. October is generally cooler, with temperatures averaging around 12°C (55°F) and a maximum reaching 19°C (66°F). This month also brings significant rainfall, totaling 246 mm (9.7 in) over approximately 23 days, contributing to a high humidity level of 90%. In contrast, April features milder temperatures, with an average of 9°C (48°F) and a maximum of 16°C (62°F). The precipitation in April is notably lighter, with 59 mm (2.3 in) expected over just 10 days, and humidity levels are slightly lower at 84%. For a closer look at April weather conditions, you can visit Nefyn weather in April.
When comparing the weather in October and May, both months experience similar maximum temperatures, peaking at around 19°C (66°F). However, October tends to be much wetter, with an average precipitation of 246 mm (9.7 in) over 23 days, compared to May's 83 mm (3.3 in) over just 12 days. Additionally, October's humidity is noticeably higher at 90%, making it feel more damp, while May enjoys a slightly lower humidity level of 79%. For more detailed information about the climate during May in Nefyn, check out Nefyn weather in May.
October and June present distinct contrasts in weather conditions. In October, temperatures average around 12°C (55°F), with a notable chill at night dropping to a minimum of 4°C (39°F) and daytime highs reaching only 19°C (66°F). The month is characterized by high precipitation levels, averaging 246 mm (9.7 in) over 23 days and a humidity of 90%, creating a damp and cool atmosphere. In contrast, June enjoys milder weather, with average temperatures around 14°C (57°F). Nighttime lows are slightly higher at 9°C (49°F), while daytime highs can soar to 24°C (76°F). Additionally, June is drier, with 109 mm (4.3 in) of precipitation over 15 days and lower humidity at 81%. For more information on weather patterns during June, you can check out Nefyn weather in June.
October and July offer contrasting weather experiences. In October, temperatures are noticeably cooler, with a minimum of 4°C (39°F) and an average of 12°C (55°F), reaching a maximum of 19°C (66°F). This month also sees a significant increase in precipitation, totaling 246 mm (9.7 in) over 23 days, combined with high humidity levels at 90%. In contrast, July enjoys milder conditions, with a minimum temperature of 12°C (53°F), an average of 16°C (60°F), and a maximum of 25°C (77°F). This summer month is characterized by much lower precipitation of 108 mm (4.3 in) across just 13 days and a moderate humidity level of 78%. For more detailed insights on July weather, visit Nefyn weather in July.
In comparing the weather of October and August, it's evident that October is significantly cooler, with minimum temperatures dropping to around 4°C (39°F), while August starts at a milder minimum of 12°C (54°F). The average temperature in October hovers around 12°C (55°F), contrasting with the warmer average of 16°C (61°F) seen in August. Additionally, October experiences higher precipitation levels, with 246 mm (9.7 in) over 23 days, compared to August's 166 mm (6.5 in) over 22 days. Humidity also increases in October, reaching 90%, compared to 79% in August. For more details about weather conditions during this time, you can check Nefyn weather in August.
In comparing the weather between September and October, it's clear that October brings cooler temperatures and increased precipitation. September boasts milder conditions with average temperatures ranging from 9°C (49°F) to a pleasant maximum of 24°C (76°F), while October sees a drop to an average of 12°C (55°F) and maximums of 19°C (66°F). Additionally, October is significantly wetter, with 246 mm (9.7 in) of rainfall over 23 days compared to September's 162 mm (6.4 in) over 18 days. Humidity also rises in October, averaging 90% compared to September's 85%. For a closer look at September's climate specifics, visit Nefyn weather in September.
In October, temperatures range from a minimum of 4°C (39°F) to a maximum of 19°C (66°F), with an average temperature of 12°C (55°F). This month experiences significant rainfall, totaling 246 mm (9.7 in) over 23 days, and maintains a high humidity level of 90%. In contrast, November sees a slight drop in average temperature to 10°C (50°F), with daily highs reaching 15°C (59°F) and lows remaining at 4°C (39°F). Precipitation decreases to 215 mm (8.5 in) over 22 days, and humidity increases slightly to 91%. For more detailed information on the weather conditions in November, visit Nefyn weather in November.
In October, temperatures tend to be milder with a minimum of 4°C (39°F) and an average of 12°C (55°F), reaching a maximum of 19°C (66°F). The month sees significant precipitation, totaling 246 mm (9.7 in) over 23 days, and high humidity at 90%. In contrast, December experiences cooler weather, with temperatures dropping to a minimum of 2°C (36°F) and an average of 8°C (47°F), peaking at 12°C (54°F). While precipitation remains fairly high at 238 mm (9.4 in) over 25 days, the humidity is slightly lower at 89%. For a detailed look at weather specifics, check out Nefyn weather in December.
As October unfolds in Nefyn, the weather begins to transform, bringing a distinct chill compared to the warmer months of summer. With average temperatures settling at a brisk 12°C (55°F) and a maximum reaching only 19°C (66°F), the month is a clear transition into autumn. This shift is accompanied by a significant increase in precipitation, with 23 days of rain contributing to a total of 246 mm (9.7 in), making it one of the wetter months of the year. Humidity lingers around an enveloping 90%, adding a layer of dampness to the crisp air. For an in-depth look at how Nefyn’s weather evolves throughout the year, be sure to check out the detailed insights at Nefyn Climate.