Last updated: March 17, 2025
November in Caernarfon, United Kingdom presents a tapestry of cool, crisp weather, with average temperatures hovering around 9°C (48°F). The month experiences maximum highs reaching 15°C (60°F) while dipping to a brisk minimum of -1°C (31°F) on chilly nights. Residents and visitors alike should be prepared for frequent rainfall, as 111 mm (4.4 in) of precipitation can be expected over 19 days, contributing to a high humidity level of 91%. This combination of dampness and cool temperatures creates a quintessentially Welsh atmosphere, perfect for cozy evenings and exploring the scenic beauty of the region.
As November arrives in Caernarfon, the temperatures begin to hint at the chill of winter. The month typically sees minimum temperatures around -1°C (31°F), with an average of 9°C (48°F) and a maximum reaching 15°C (60°F). This marks a subtle decline compared to October, where the weather was slightly milder, reflecting a gradual transition from the warmer autumn months. With shorter days and increasing likelihood of frost, November serves as a bridge to the colder winter months, inviting cozy indoor activities while still offering the occasional brisk walk to enjoy the beautiful Welsh landscapes. The cooling trend illustrates Caernarfon's characteristic climate shift, as the year draws to a close.
As November rolls into Caernarfon, the weather takes a distinctly wetter turn, with precipitation averaging 111 mm (4.4 in) across 19 days of the month. This increase in rainfall compared to October's 128 mm (5.1 in) signifies the onset of winter's chill, marking a transition from the relatively drier autumn months. Interestingly, November’s precipitation aligns with the highest rainfall days of the year, echoing the trend of increased wetness seen as the seasons shift. With the looming December ahead, which typically receives 129 mm (5.1 in) over 20 days, the rainy pattern solidifies, making Caernarfon a quintessentially lush landscape as it embraces the winter months.
In November, Caernarfon experiences a notable increase in humidity, reaching 91%, the highest level recorded for the year. This rise reflects a broader trend of increasing humidity as the autumn progresses; following October's already robust 90%, the transition into winter brings a surge in moisture. Throughout the months, humidity levels generally taper off from January's peak of 89% down to the summer lows, before climbing back up as cooler temperatures set in. With November marking the season's zenith, locals can expect a damp atmosphere, contributing to the region's characteristic crispness in the air.
As November settles in Caernarfon, the UV Index drops to a comfortable 2, classified under the low exposure category. With this index, residents can enjoy about 45 minutes of sun exposure without the risk of sunburn, making it an ideal time for outdoor activities in the crisp autumn air. This decrease is a part of a broader trend observed as the year closes, transitioning from the very high levels of summer, where UV Index values peaked at 8 in June and July, to the much milder levels of winter. Whether you’re out enjoying nature or simply soaking up some rays, November offers a welcome reprieve that encourages safe sunlight enjoyment. For more detailed insights, visit Caernarfon UV Index.
UV Risk Categories
As November settles in Caernarfon, the days grow noticeably shorter, bringing a substantial dip in sunshine hours to just 126 for the month. This marks a significant decline from the vibrant 421 hours basking in July’s peak, which showcases the dramatic seasonal shift the region experiences. While February and March also enjoy generous daylight, it's the spring months that shine brightest, with April and May collectively illuminating up to 415 hours. As winter approaches, the town bids farewell to the lingering light of autumn, with December following closely behind November, offering a mere 109 hours. This trend highlights the area's rich seasonal tapestry, where summer's golden days gracefully yield to the quiet charm of a winter landscape.
As November rolls in, the likelihood of sunny weather in Caernarfon, United Kingdom, dips to 19%, marking one of the year's lower probabilities for sun. Following the autumn months, where October sees an even smaller chance at 17%, the trend suggests that as winter approaches, sunny days become increasingly rare. While April boasts a much brighter 46% chance, the overall pattern illustrates a notable decline in sunshine from spring through late fall. This seasonal shift hints at the cozy embrace of cloudier days and the brisk chill of late autumn, perfect for indoor pursuits rather than sunbathing.
As November settles over Caernarfon, the daylight hours dip to 8 hours, marking a transitional phase in the year. Following the vibrant months of summer, which boasted up to 16 hours of sunshine in June and July, a gradual decline begins in August and continues through the autumn. By October, daylight dwindles to 10 hours, before dropping further as November approaches. This month's hours echo the shorter days of January, both illuminated by a mere 8 hours of light. The trend clearly reflects the seasonal shift, from the long, bright days of spring and summer to the crisp and cozy atmosphere of late fall, inviting residents to embrace the beauty of shorter days and longer nights.
As November settles over Caernarfon, the winds pick up slightly, with an average speed of 4.8 m/s (11 mph), marking a transition as the year nears its end. This month's breeze is stronger than the July lull, where the winds calmed to just 2.7 m/s (6 mph), but it remains consistent with the overall trend of moderate gusts seen since October. Throughout the year, wind speeds fluctuate, with the briskest breezes occurring in January and February, reaching 4.6 m/s (10 mph) and 5.8 m/s (13 mph) respectively, only to taper off in the spring and summer months. As winter approaches, the winds in November herald a return to the stronger gusts typical of late autumn, hinting at the chill that comes with the season.
The weather in Caernarfon changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of November's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Caernarfon and find detailed weather information for every month.
November and January showcase distinct yet comparable weather patterns. In November, temperatures range from a minimum of -1°C (31°F) to a maximum of 15°C (60°F), with an average temperature of 9°C (48°F). The month is characterized by higher precipitation, totaling 111 mm (4.4 in) over 19 days, alongside a relatively high humidity of 91%. In contrast, January experiences slightly colder temperatures, with a minimum of -3°C (27°F) and a maximum of 14°C (57°F), averaging at 6°C (43°F). Precipitation decreases to 77 mm (3.0 in) across 13 days, and the humidity remains similar at 89%. This makes January generally drier and cooler than November, providing a different atmosphere despite their close proximity in the calendar year. For more insights, you can check Caernarfon weather in January.
November and February exhibit notable differences in weather patterns. In November, temperatures range from a chilly minimum of -1°C (31°F) to a maximum of 15°C (60°F), with an average of 9°C (48°F). The month is marked by substantial precipitation, totaling 111 mm (4.4 in) over 19 days, alongside high humidity levels reaching 91%. In contrast, February tends to be slightly colder, with minimums dipping to -4°C (26°F) and average temperatures around 6°C (44°F). However, it offers a warmer maximum of 18°C (65°F) and slightly less precipitation at 103 mm (4.1 in) over 16 days, with humidity at 88%. To explore more about February weather, check Caernarfon weather in February. Overall, while both months experience considerable rainfall, November generally feels wetter and cooler compared to February.
When comparing the weather in November and March, we observe notable differences in temperature and humidity. November tends to be milder, with average temperatures around 9°C (48°F) and a maximum of 15°C (60°F), while March features slightly cooler conditions, with an average of 7°C (45°F) and a maximum of 18°C (65°F). Precipitation levels are similar in both months, with November receiving 111 mm (4.4 in) over 19 days and March slightly less at 104 mm (4.1 in) over 18 days. However, November is characterized by higher humidity at 91%, compared to March's 86%, making November feel damper. For a closer look at the weather specifics in March, you can visit Caernarfon weather in March.
When comparing the weather in November and April, both months share a similar minimum temperature of -1°C (31°F) and an average temperature of 9°C (48°F). However, April experiences a significant increase in maximum temperatures, reaching up to 22°C (72°F) compared to November's 15°C (60°F). Additionally, April is considerably drier, with only 55 mm (2.2 in) of precipitation spread over 11 days, whereas November sees much more rain at 111 mm (4.4 in) over 19 days. The humidity levels are also slightly lower in April at 84%, compared to November's 91%. For more detailed information about the weather in April, you can check Caernarfon weather in April.
When comparing the weather in November and May, there are notable contrasts in temperature and precipitation. November tends to be much cooler, with average temperatures ranging from a chilly 1°C (34°F) at night to a maximum of 15°C (60°F) during the day, coupled with high humidity levels of 91%. In contrast, May warms up significantly, with temperatures starting at a mild 0°C (32°F) and soaring to an average high of 28°C (82°F), while humidity drops to 79%. Additionally, November experiences more rainfall, with 111 mm (4.4 inches) across 19 days, compared to May’s 71 mm (2.8 inches) over just 12 days. For a closer look at the pleasant weather in May, you can check out Caernarfon weather in May.
When comparing the weather in November and June, it's evident that the two months offer distinctly different climates. November experiences cooler temperatures, with a minimum of -1°C (31°F) and a maximum of 15°C (60°F), leading to a chilly average of 9°C (48°F). In contrast, June boasts much warmer weather, with temperatures ranging from a minimum of 5°C (41°F) to a pleasant maximum of 29°C (84°F) and an average of 15°C (59°F). Additionally, November's high humidity at 91% and increased precipitation of 111 mm (4.4 in) over 19 days contributes to a damp atmosphere, whereas June sees less precipitation at 91 mm (3.6 in) over 14 days and lower humidity at 81%, making it a more comfortable and enjoyable month. For more details about June weather, you can check Caernarfon weather in June.
When comparing the weather in November and July, it’s clear that the two months offer significantly different experiences. November sees colder temperatures, with a minimum of -1°C (31°F) and an average of 9°C (48°F), while July enjoys much milder conditions, with a minimum of 7°C (45°F) and an average of 16°C (61°F). November also experiences a higher level of humidity at 91%, compared to July's 78%, which can make the cooler air feel even brisker. Additionally, November receives more precipitation, with 111 mm (4.4 in) over 19 days, contrasting with July’s 82 mm (3.2 in) spread over just 15 days. For a detailed look at what to expect during the warmest month, check out Caernarfon weather in July.
Comparing the weather in November and August reveals distinct differences in temperature and humidity. November features a much cooler climate, with average temperatures ranging from a chilly 1°C (34°F) to a mild 15°C (60°F), while August enjoys warmer temperatures, typically between 8°C (46°F) and a comfortable 26°C (79°F). Precipitation levels are somewhat similar in both months, with November receiving slightly more at 111 mm (4.4 in) compared to August's 105 mm (4.1 in), both spread across 19 days. Additionally, November's higher humidity at 91% contrasts sharply with the more moderate 79% observed in August, making the latter feel more pleasant overall. For more detailed weather information, check out Caernarfon weather in August.
Comparing the weather between November and September, we can observe some notable differences. November experiences cooler temperatures, with daily averages around 9°C (48°F) compared to September's warmer average of 14°C (57°F). The maximum temperature in November reaches 15°C (60°F), significantly lower than September's peak of 27°C (81°F). Additionally, November sees increased precipitation with 111 mm (4.4 in) over 19 days, while September has slightly less rain at 98 mm (3.9 in) over 15 days. Humidity levels also rise in November, reaching 91%, compared to 85% in September. For those interested in learning more about the specifics, you can find further details on Caernarfon weather in September.
In comparing the weather of October and November, we observe that November tends to be cooler, featuring an average temperature of 9°C (48°F) compared to October's warmer average of 11°C (53°F). While both months experience a similar number of rainy days—19 in November and 18 in October—November receives slightly less precipitation, totaling 111 mm (4.4 in) versus October's 128 mm (5.1 in). Additionally, humidity levels are quite comparable, with November at 91% and October at 90%. For those interested in a more detailed look at October's conditions, you can refer to Caernarfon weather in October.
November and December present relatively similar winter conditions, though December tends to be slightly cooler and wetter. In November, the average temperature is around 9°C (48°F), with a maximum of 15°C (60°F) and a minimum of -1°C (31°F). Precipitation is significant during this month, totaling 111 mm (4.4 in) over 19 days, coupled with high humidity of 91%. In contrast, December sees a slight drop in the average temperature to 7°C (45°F), with a maximum of 13°C (56°F) and a minimum still hovering at -1°C (30°F). The precipitation increases to 129 mm (5.1 in) across 20 days, while humidity remains relatively stable at 89%. For a more detailed look at the weather specifics, you can visit Caernarfon weather in December.
As November arrives in Caernarfon, it brings a distinct shift in weather that sets it apart from other months. With temperatures hovering between crisp lows and moderate highs, the air becomes notably cooler, while the high humidity adds an extra layer of chill. Frequent precipitation transforms the landscape, resulting in over half the month marked by rainy days. This blend of wet weather and a drop in temperature often means a cozy retreat indoors is preferable to outdoor adventures. For those curious about the broader patterns and nuances of Caernarfon's climate, check out Caernarfon Climate for more insights.