October Weather in Llanberis, United Kingdom

Last updated: March 17, 2025

In Llanberis, United Kingdom, October showcases a varied climate, with maximum temperatures reaching 20°C (68°F) and an average of 11°C (53°F), providing a mild, yet unpredictable atmosphere. As autumn sets in, the region experiences a minimum temperature of 1°C (33°F), hinting at the crispness of approaching winter. With precipitation totaling 206 mm (8.1 in) over 22 days, October is characterized by frequent rain showers, contributing to the area's lush landscapes. The high humidity levels, around 90%, add to the atmospheric conditions, embracing visitors with a quintessentially Welsh experience.

October Temperature in Llanberis

In October, Llanberis experiences a delightful transition into autumn, with temperatures ranging from a minimum of 1°C (33°F) to a comfortable maximum of 20°C (68°F). The average temperature settles around 11°C (53°F), providing a refreshing climate ideal for outdoor adventures amidst the stunning fall foliage. This month's temperatures are noticeably milder compared to the previous winter months, gradually shifting away from the chilly extremes of January through March. As the days shorten and the air becomes crisper, October offers a unique opportunity to enjoy the beauty of this picturesque town against a backdrop of vibrant autumn colors, making it an enchanting time to visit.

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

The chart illustrates October temperature patterns in Llanberis, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424344475257605957524744
Data source: Temperature data for Llanberis 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 Llanberis

October in Llanberis, United Kingdom, is notably the dampest month of the year, with an impressive 206 mm (8.1 in) of precipitation spread over 22 days. This increase in rainfall marks a significant uptick from September's 146 mm and underscores a trend of heightened moisture as autumn sets in. The consistent wet weather not only adds to the lush greenery of the region but also prepares it for the approaching winter months. With cloudy skies dominating the horizon, October serves as a reminder of Llanberis's characteristic climate, where the allure of natural beauty often comes hand-in-hand with rainfall.

October Precipitation Trends in Llanberis

The chart displays monthly precipitation patterns in Llanberis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1211621526287106105162146206176203
Data source: Precipitation data for October generated using information from the Copernicus Climate Change Service.
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October Humidity in Llanberis

As October rolls in, Llanberis experiences a notable rise in humidity, reaching 90%, the highest level since January. This increase follows a seasonal trend where humidity tends to peak during the autumn months. Following the summer's relatively drier conditions, with July and August averaging around 78-79%, the air grows noticeably heavier as the leaves change, reflecting a shift towards a more moisture-laden atmosphere. With November on the horizon, predictions suggest that the humidity will only continue to climb, emphasizing Llanberis' reputation for its lush, vibrant landscapes during this time of year.

October Average Humidity in Llanberis

This chart illustrates the average monthly humidity levels in Llanberis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for October generated using information from the Copernicus Climate Change Service.

October UV Index in Llanberis

As October arrives in Llanberis, United Kingdom, the UV Index typically settles at a moderate level of 4, allowing for approximately 30 minutes of sun exposure before the risk of burning increases. This marks a slight decline from the previous summer months, where UV levels peaked at a very high 8 in June and July. The transition reflects a cooling trend as autumn takes hold, with UV Index values gradually decreasing from the highs of summer, allowing for more moderate sun exposure through October and into the winter months. For those looking to plan outdoor activities, it’s essential to stay mindful of changing UV levels. For more detailed insights, visit the Llanberis UV Index.

Maximum UV Index Levels in Llanberis for October

The chart shows the monthly maximum UV Index (UVI) for Llanberis 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Llanberis 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 Llanberis

As autumn settles into Llanberis, October brings a delightful shift in sunshine, with a respectable 238 hours illuminating the landscape. This month serves as a gentle transition, showcasing a decrease in daylight from the summer's peak of 421 hours in July, yet still surpassing the dreary winter months ahead. The sunshine in October represents a retreat from the vibrant highs of summer, resembling more of a comforting embrace as days grow shorter and nature displays its stunning fall colors. Following September’s generous 315 hours, the October sun gently prepares the region for the approaching winter, reminding us of the warmth still lingering in the air before the dark months set in.

Monthly Sunshine Duration in Llanberis: October Highlighted

The October sunshine duration represents the total number of hours Llanberis 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.
JanFebMarAprMayJunJulAugSepOctNovDec93h162h228h335h415h404h421h383h315h238h126h109h
Data source: Llanberis October Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Llanberis During October

October in Llanberis, United Kingdom, typically heralds a significant dip in sunny weather, with the chance of sunshine dropping to just 15%. This trend reflects the transition into autumn, where longer nights and increasing rainfall overshadow the lingering warmth of late summer. Interestingly, October's likelihood of sunny days is notably lower compared to the preceding months, such as April, which boasts a more favorable 46% chance of sun. As autumn progresses, Llambers residents can expect a growing frequency of gray skies, with October being one of the least sunlit months, setting the stage for the cooler, cloudier days of winter ahead.

Percentage of Sunny Days in October in Llanberis

The chart illustrates the percentage of sunny days in Llanberis 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 Llanberis experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%22%25%46%30%27%36%25%22%16%20%20%
Data source: Llanberis October chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Llanberis in October

As October unfolds in Llanberis, United Kingdom, daylight begins to wane, offering an average of 10 hours each day. This marks a notable decline from the sun-drenched days of summer, where daylight peaked at a vibrant 16 hours in June and July. The trend is clear: as the year progresses from the brightness of spring and summer into the cozy autumn months, each passing month sees shorter days, transitioning quickly from September's 12 hours to October's softer glow. This gradual reduction sets the stage for the deep embrace of winter, as November and December will bring even shorter daylight hours. Thus, October serves as a gentle reminder of nature's seasonal rhythm, balancing between lingering daylight and the encroaching shadows of winter.

Average Daylight Hours in Llanberis for October

The chart illustrates the variation in daylight duration in Llanberis throughout the year, with October highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 10m9h 51m11h 54m14h15h 51m16h 50m16h 18m14h 38m12h 36m10h 31m8h 38m7h 37m
Data source: Llanberis daylight hours, calculated by summing the hours between sunrise and sunset for each day.

October Winds in Llanberis

As October sweeps into Llanberis, the winds begin to pick up, averaging a brisk 6.4 m/s (14 mph)—the second highest speed of the year after February's bluster. This month marks a notable shift from the summer’s calmer breezes, with wind speeds gradually rising from July's gentle 3.2 m/s (7 mph). The refreshing autumn gusts are not just invigorating but signal the transition into the colder months. With a noticeable uptick in winds compared to the previous September, October's vibrant air seems to carry the whispers of the approaching winter, inviting both locals and visitors to embrace the exhilarating change in Llanberis’s weather landscape.

Average October Wind Speed in Llanberis

The chart displays monthly wind speed patterns in Llanberis, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.36.65.73.84.74.03.24.43.76.4 m/s5.55.9
Data source: Llanberis October wind data, generated using information from the Copernicus Climate Change Service.

How October Weather in Llanberis Compares to Other Months

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

In October, the weather is generally milder with temperatures ranging from a chilly 1°C (33°F) to a comfortable 20°C (68°F), offering an average of 11°C (53°F). The month is characterized by significant rainfall, accumulating 206 mm (8.1 in) over approximately 22 days, while humidity hovers around a high 90%. In contrast, January experiences cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 13°C (55°F), resulting in an average of 6°C (43°F). The month sees less rainfall, totaling 121 mm (4.8 in) over about 16 days, and humidity is slightly lower at 89%. For a more detailed look at winter conditions, check out Llanberis weather in January.

In comparing the weather of October and February, October tends to be milder, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 20°C (68°F) and an average of 11°C (53°F). It also experiences significant precipitation, totaling 206 mm (8.1 in) over 22 days, accompanied by high humidity at 90%. In contrast, February is cooler, featuring temperatures that drop to a minimum of -3°C (28°F) and have an average of 6°C (43°F), peaking at 15°C (60°F). This month has less precipitation, totaling 162 mm (6.4 in) over 19 days and slightly lower humidity at 88%. For more specific details on February weather in Llanberis, you can check out Llanberis weather in February.

October and March showcase distinct weather patterns, highlighting the transition from fall to spring. In October, the temperature ranges from a chilly 1°C (33°F) at night to a warmer 20°C (68°F) during the day, with an average of 11°C (53°F). The month sees considerable rainfall, with 206 mm (8.1 in) over 22 days and high humidity at 90%. In contrast, March experiences cooler nights with temperatures dipping to -5°C (23°F) and daytime highs reaching 16°C (61°F), averaging around 7°C (44°F). Precipitation is somewhat lower at 152 mm (6.0 in), lasting over 19 days, and humidity is slightly reduced at 86%. For a detailed look at March weather, visit Llanberis weather in March.

When comparing the weather in October and April, we find notable differences in temperature and precipitation patterns. October tends to be slightly warmer, with average temperatures ranging from a minimum of 1°C (33°F) to a maximum of 20°C (68°F), while April shows a cooler average, with temperatures fluctuating between 0°C (33°F) and 19°C (66°F). Additionally, October experiences significantly higher precipitation levels, with 206 mm (8.1 in) spread over 22 days, compared to April’s 62 mm (2.4 in) over just 12 days. Despite the wetter conditions in October, both months maintain a relatively high humidity, though October's humidity is slightly greater at 90% compared to April's 84%. For more detailed insights on April weather in Llanberis, you can visit Llanberis weather in April.

When comparing the weather in October and May, one can observe notable differences in temperature and precipitation patterns. In October, temperatures range from a chilly minimum of 1°C (33°F) to a mild maximum of 20°C (68°F), with an average temperature of 11°C (53°F). The month experiences significant rainfall, with 206 mm (8.1 in) spread over 22 days and a high humidity level of 90%. In contrast, May exhibits slightly higher temperatures, ranging from a minimum of 2°C (36°F) to a maximum of 23°C (73°F), while still averaging around 11°C (52°F). Precipitation in May is considerably less, with only 87 mm (3.4 in) over 12 days and a lower humidity of 79%. For more insights into the weather during this month, you can explore Llanberis weather in May.

When comparing October and June weather, notable differences emerge. October exhibits a broader temperature range, with minimums dipping to 1°C (33°F) and maximums reaching 20°C (68°F). In contrast, June offers a milder climate, with temperatures ranging from a minimum of 7°C (46°F) to a maximum of 26°C (79°F). Additionally, October is significantly wetter, receiving 206 mm (8.1 in) of precipitation over 22 days, while June sees less rain, accumulating 106 mm (4.2 in) across 16 days. Humidity levels are also higher in October at 90%, compared to June's 81%, contributing to a more pronounced chill in the fall month. For more detailed insights, check Llanberis weather in June.

In comparing the weather of October and July, it becomes evident that October is marked by cooler temperatures and significantly higher precipitation. In October, temperatures range from a chilly 1°C (33°F) at night to a mild 20°C (68°F) during the day, with an average of 11°C (53°F). The month experiences an average of 206 mm (8.1 in) of rain over 22 days, resulting in a high humidity level of 90%. In contrast, July boasts warmer temperatures, with a minimum of 9°C (48°F) and a maximum of 25°C (77°F), averaging around 15°C (60°F). Additionally, July receives less rainfall, at 105 mm (4.1 in) over 15 days, and exhibits lower humidity at 78%. For more detailed weather information, you can visit Llanberis weather in July.

October weather is markedly chillier than that of August, with temperatures ranging from a minimum of 1°C (33°F) to a maximum of 20°C (68°F) compared to August's milder range of 9°C (49°F) to 24°C (75°F). Additionally, October experiences significantly higher precipitation, averaging 206 mm (8.1 in) across 22 days, while August has lower rainfall at 162 mm (6.4 in) during the same number of days. The humidity in October also rises to 90%, creating a damp atmosphere, whereas August maintains a more comfortable humidity level of 79%. For those interested in a detailed comparison of summer weather, take a look at this link: Llanberis weather in August.

In comparison to September, October brings a notable drop in temperatures, with average highs plummeting from 26°C (78°F) to just 20°C (68°F) and lows falling significantly from 6°C (42°F) to 1°C (33°F). Additionally, October sees an increase in precipitation, totaling 206 mm (8.1 in) over 22 days, compared to September's 146 mm (5.7 in) over 18 days. The humidity also rises slightly, reaching 90% in October compared to 85% in September. For a detailed look at September's weather, you can visit Llanberis weather in September.

October and November exhibit notable differences in weather patterns. October tends to be warmer, with average temperatures reaching up to 11°C (53°F) and maximums hitting 20°C (68°F). However, it also brings significant rainfall, totaling 206 mm (8.1 in) over 22 days and maintaining high humidity levels of 90%. In contrast, November sees a drop in average temperatures to 8°C (48°F) and maximums of only 14°C (58°F), but it experiences slightly less precipitation at 176 mm (6.9 in) over 21 days, with humidity remaining relatively high at 91%. For more information about November weather specifics, check out Llanberis weather in November.

In October, temperatures range from a chilly 1°C (33°F) at night to a pleasant 20°C (68°F) during the day, with an average of 11°C (53°F). The month experiences significant rainfall, with 206 mm (8.1 in) over 22 days, contributing to a high humidity level of 90%. In contrast, December brings colder temperatures, with nighttime lows dipping to -2°C (29°F) and a daytime average of 7°C (45°F), peaking at 12°C (54°F). Despite similar precipitation levels, at 203 mm (8.0 in) over 24 days, humidity remains relatively stable at 89%. For more detailed information, you can check the Llanberis weather in December.

Compare Llanberis's Climate with Cities Worldwide

Conclusion: What to Expect From October Weather in Llanberis

October in Llanberis is a month of transition, where the lingering warmth of late summer gives way to the crisp chill of autumn. With an average temperature around 11°C (53°F), days are cooler, and the likelihood of rain increases significantly, making it one of the wetter months with 206 mm of precipitation across 22 days. This heightened humidity, averaging 90%, adds to the dense atmosphere, often shrouding the stunning landscapes in mist. As nature prepares for winter, October brings a unique blend of vibrant fall colors and moody, overcast skies, making it an ideal time for reflection and enjoying the serene beauty of Llanberis. For a deeper dive into the region's weather patterns, explore Llanberis Climate.