December Weather in Pwllheli, United Kingdom

Last updated: March 17, 2025

December in Pwllheli, United Kingdom, is characterized by a chilly climate with maximum temperatures reaching 12°C (54°F) and an average of 8°C (47°F). Nights can be quite cold, with minimum temperatures dipping to 2°C (36°F). This month is also marked by significant precipitation, totaling 238 mm (9.4 in) over approximately 25 days, contributing to a notably high humidity level of 89%. As winter settles in, Pwllheli experiences a moody atmosphere, making it a compelling time for those who appreciate the beauty of the season, despite the wet conditions.

December Temperature in Pwllheli

In December, Pwllheli experiences a notable shift as winter sets in, with temperatures ranging from a low of 2°C (36°F) to a high of 12°C (54°F). This month marks a transition into the cooler climate, where the average temperature hovers around 8°C (47°F), slightly above the brisk conditions seen in January. The onset of winter is reflected in the overall decrease from the mild temperatures of autumn, yet December's chill is tempered by the milder influences of the nearby coast. As the year draws to a close, visitors to Pwllheli can expect cool, crisp days perfect for embracing the region's winter charm while enjoying the scenic coastal views.

December Weather in Pwllheli: Daily Temperature Highs, Lows, and Averages

The chart illustrates December temperature patterns in Pwllheli, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454545485257606058545047
Data source: Temperature data for Pwllheli 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.

December Precipitation in Pwllheli

December brings a notable increase in precipitation for Pwllheli, United Kingdom, with 238 mm (9.4 in) of rain falling over 25 days. This marks a continuation of the wetter trends observed in the late autumn months, particularly following October's record 246 mm (9.7 in) and November's 215 mm (8.5 in). With nearly every day of the month experiencing rain, December’s downpours contribute to a seasonal crescendo of moisture, emphasizing the characteristic wetness of winter in this coastal region. As the year closes, Pwllheli’s weather patterns highlight a shift from the drier spring months, revealing a landscape transformed by substantial rainfall, while setting the stage for the ongoing winter months ahead.

December Precipitation Trends in Pwllheli

The chart displays monthly precipitation patterns in Pwllheli, with values for each month alongside December's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how December's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec1371721605983109108166162246215238
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
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December Humidity in Pwllheli

In December, Pwllheli experiences a humidity level of 89%, marking a slight decrease from the peak of 91% observed in November. As the year rounds off, December maintains a relatively high humidity level, consistent with the winter months. Notably, the trend shows that humidity levels begin to decline gradually from the earlier months, with the highest percentages seen in the late autumn months of October and November. This continuity underscores Pwllheli's coastal climate, where moisture levels remain significant even as the year comes to a close, contributing to the town's characteristic dampness and fresh sea air.

December Average Humidity in Pwllheli

This chart illustrates the average monthly humidity levels in Pwllheli, with December's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how December's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%85%79%81%78%79%85%90%91%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Pwllheli

In Pwllheli, December marks the return of the low UV Index, with a reading of 1 and a corresponding burn time of 45 minutes. This gentle sun exposure is a stark contrast to the summer months, where the UV Index peaks at 8 in June and July, indicating very high levels of solar radiation that require more caution for skin protection. As the year transitions from the vibrant highs of late spring and summer, the UV levels steadily decline, falling to 5 in September and slowly tapering off to their lowest point in winter. December's UV Index underlines the importance of seasonal awareness when it comes to sun safety. For more insights on monthly trends, visit Pwllheli UV Index.

Maximum UV Index Levels in Pwllheli for December

The chart shows the monthly maximum UV Index (UVI) for Pwllheli in December, 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: Pwllheli December 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.

December Sunshine in Pwllheli

In Pwllheli, United Kingdom, December typically experiences a modest 109 hours of sunshine, marking a decline as winter sets in. This decrease is part of a larger trend, where the year begins with a mere 93 hours in January, gradually rising to its peak in July with an impressive 421 hours of brightness. The months preceding December show a gradual transition from the vibrant summers back towards the darker winter days, with November dropping to 126 hours. While December may not boast extensive sunlight, it still holds a certain charm, inviting residents and visitors alike to embrace the beauty of the season amidst the cooler, shorter days.

Monthly Sunshine Duration in Pwllheli: December Highlighted

The December sunshine duration represents the total number of hours Pwllheli experiences direct sunlight during the month of December, excluding cloudy or obstructed periods. This chart compares the sunshine duration of December with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec93h162h228h335h415h404h421h383h315h238h126h109h
Data source: Pwllheli December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Pwllheli During December

In Pwllheli, United Kingdom, December brings a modest 24% chance of sunny weather, reflecting a slight dip in sunshine compared to the earlier months of the year. This trend illustrates a noticeable shift as the year progresses, with April boasting the highest likelihood of sun at 48%. Interestingly, the winter months generally show lower percentages, as evidenced by October and November, which feature even dimmer prospects at 17% and 20% respectively. While December isn't the sunniest month, it does offer a glimmer of hope for those yearning for brighter days amidst the increasing chill of winter. Overall, as the year transitions, residents and visitors alike can expect a blend of grey skies with only occasional sunny interludes.

Percentage of Sunny Days in December in Pwllheli

The chart illustrates the percentage of sunny days in Pwllheli throughout the year, with December 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 Pwllheli experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec26%27%27%48%35%28%39%28%24%17%20%24%
Data source: Pwllheli December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Pwllheli in December

In Pwllheli, United Kingdom, December brings a notable shift in daylight duration, as the year draws to a close with only 7 hours of daylight. This marks a decline from the previous months, reflecting a seasonal transition into winter. As the year progresses, we observe a gradual increase in daylight, starting from 8 hours in January and peaking at 16 hours during the height of summer in June and July. Following this peak, daylight begins to recede, with September enjoying 12 hours before dwindling back to 8 hours in November. December's shorter days remind us of winter's embrace, as the cycle of longer days begins anew with the arrival of January. The gentle ebb and flow of daylight in Pwllheli captures the essence of the changing seasons, inviting both reflection and anticipation for brighter days ahead.

Average Daylight Hours in Pwllheli for December

The chart illustrates the variation in daylight duration in Pwllheli throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 12m9h 52m11h 54m14h15h 50m16h 48m16h 16m14h 37m12h 36m10h 32m8h 39m7h 39m
Data source: Pwllheli daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Pwllheli

As winter settles in, December brings a refreshing gust to Pwllheli, with average wind speeds reaching 7.6 m/s (17 mph). This marks an uptick from the previous month, where November's winds averaged 7.2 m/s (16 mph). Notably, the wind speeds during the latter part of the year fluctuate, peaking in October with 8.2 m/s (18 mph) before tapering off in the summer months to as low as 4.0 m/s (9 mph) in July. The trend illustrates that while summer breezes are gentle, autumn and early winter bring a more vigorous atmosphere, making December wind both invigorating and brisk, perfect for those who appreciate the bold essence of the season.

Average December Wind Speed in Pwllheli

The chart displays monthly wind speed patterns in Pwllheli, with values for each month shown alongside December's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how December's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.98.37.04.75.95.04.05.54.68.27.27.6 m/s
Data source: Pwllheli December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Pwllheli Compares to Other Months

The weather in Pwllheli changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of December's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Pwllheli and find detailed weather information for every month.

In December, the weather is slightly milder with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 12°C (54°F). This month experiences significant rainfall, totaling 238 mm (9.4 in) over 25 days, resulting in high humidity levels of 89%. In contrast, January sees a slight decrease in average temperatures, with minimums around 1°C (35°F) and maximums at 13°C (56°F). Precipitation is noticeably lower at 137 mm (5.4 in) over just 16 days, while humidity remains consistent at 89%. For more specific details, you can check Pwllheli weather in January.

December and February present contrasting yet relatively mild winter weather patterns. In December, temperatures range from a low of 2°C (36°F) to a high of 12°C (54°F), with frequent precipitation spread over 25 days, resulting in a total of 238 mm (9.4 in). The humidity is quite high at 89%, contributing to a chilly feel during the month. In contrast, February sees slightly cooler minimum temperatures at -1°C (31°F), with average highs reaching 13°C (56°F). It experiences less precipitation, totaling 172 mm (6.8 in) over 19 days, and a marginally lower humidity level at 88%. For a detailed look at weather conditions specifically in February, visit Pwllheli weather in February.

December and March present distinct contrasts in weather patterns. In December, temperatures range from a minimum of 2°C (36°F) to a maximum of 12°C (54°F), with an average of 8°C (47°F). The month is marked by significant precipitation, totaling 238 mm (9.4 in) across 25 wet days, and a high humidity level of 89%. In contrast, March experiences cooler temperatures, with a minimum of -3°C (26°F) and a maximum of 14°C (58°F), averaging 7°C (45°F). Precipitation in March is lower, at 160 mm (6.3 in) over 19 days, accompanied by slightly less humidity at 86%. For more detailed insights, you can check Pwllheli weather in March.

In December, the weather is much cooler and wetter compared to April, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 12°C (54°F) and an average of 8°C (47°F). The month sees considerable precipitation, with 238 mm (9.4 in) falling over 25 days, and humidity levels are quite high at 89%. In contrast, April offers a slight increase in temperature, with a minimum of 3°C (38°F) and a maximum of 16°C (62°F), averaging 9°C (48°F). The rainfall is significantly lower at 59 mm (2.3 in) spread across just 10 days, and the humidity drops slightly to 84%. For more information, you can check Pwllheli weather in April.

December and May present a striking contrast in weather conditions. In December, temperatures can dip to a minimum of 2°C (36°F) and hover around an average of 8°C (47°F), with a maximum of 12°C (54°F). This month is characterized by significant rainfall, accumulating 238 mm (9.4 in) over 25 days, along with high humidity levels at 89%. In contrast, May offers milder temperatures, with minimums around 4°C (40°F) and average highs that reach 19°C (66°F). Precipitation in May is notably less, totaling 83 mm (3.3 in) over just 12 days, and humidity decreases to 79%. For more details on the weather in May, you can check out Pwllheli weather in May.

December and June present stark contrasts in weather patterns. In December, temperatures hover between a chilly 2°C and a mild 12°C, accompanied by significant precipitation of 238 mm over 25 days, making the month quite damp with an average humidity of 89%. In contrast, June features a more pleasant climate with temperatures ranging from 9°C to a warm 24°C, and significantly less rainfall at 109 mm over just 15 days, resulting in lower humidity at 81%. For more detailed insights into June weather, you can visit Pwllheli weather in June.

In December, the weather is notably colder, with average temperatures ranging from a chilly 2°C (36°F) at night to a mild 12°C (54°F) during the day. The month is characterized by significant rainfall, with around 238 mm (9.4 in) spread over 25 days and high humidity levels at 89%. In contrast, July offers a much more pleasant climate, featuring average temperatures between 12°C (53°F) and 25°C (77°F), making it the warmest month of the year. Rainfall drops to 108 mm (4.3 in) over just 13 days, with lower humidity levels at 78%. For those interested in July's weather, additional details can be found at Pwllheli weather in July.

December weather in Pwllheli is characterized by much cooler temperatures, with daily averages ranging from a chilly 2°C (36°F) to a maximum of 12°C (54°F). The month sees a significant amount of precipitation, totaling 238 mm (9.4 in) over 25 days, and it maintains a high humidity level of 89%. In contrast, August offers a milder climate, with temperatures ranging from a minimum of 12°C (54°F) to a comfortable maximum of 21°C (71°F), alongside lower precipitation of 166 mm (6.5 in) over just 22 days and a humidity level of 79%. This stark difference highlights the transition from the cold, wet winter months to the warmer, drier summer season. For more details, check out Pwllheli weather in August.

When comparing the weather in December and September, it's evident that the two months share some similarities yet are distinctly different. December tends to be much cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 12°C (54°F), while September enjoys milder weather with averages between 9°C (49°F) and 24°C (76°F). Additionally, December sees more precipitation, with about 238 mm (9.4 in) of rain over 25 days, compared to September's 162 mm (6.4 in) across 18 days. Humidity levels are also slightly higher in December at 89% versus September's 85%. For more insights on September weather, you can check out Pwllheli weather in September.

When comparing December and October weather, we can see some notable differences. December experiences cooler temperatures, with a minimum of 2°C (36°F) and an average of 8°C (47°F), while October is milder, starting at a minimum of 4°C (39°F) and averaging 12°C (55°F). Additionally, December registers a maximum temperature of 12°C (54°F), significantly lower than October's peak of 19°C (66°F). In terms of precipitation, both months are wet, with December receiving 238 mm (9.4 in) over 25 days and October slightly more at 246 mm (9.7 in) over 23 days. Humidity levels are comparable, with December at 89% and October at 90%. For more insights on October weather, you can visit Pwllheli weather in October.

When comparing the weather in December to that of November, December tends to be slightly cooler overall with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 12°C (54°F), compared to November's temperatures that range from a minimum of 4°C (39°F) to a maximum of 15°C (59°F). Additionally, December experiences increased precipitation, totaling 238 mm (9.4 in) over 25 days, while November sees 215 mm (8.5 in) across 22 days. Humidity levels are also very similar, with December at 89% and November a touch higher at 91%. For more details on November weather, visit Pwllheli weather in November.

Compare Pwllheli's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Pwllheli

As December settles in, Pwllheli experiences a notable shift in weather, marked by cooler temperatures and increased precipitation compared to the rest of the year. With averages hovering around 8°C, the month stands out as one of the colder periods, often accompanied by high humidity levels of 89% and rain on nearly every other day. This combination creates a moody and often wet atmosphere, seemingly inviting cozy indoor activities. The landscape transforms as the frequent showers contribute to a lush, green environment, making December a unique time to experience Pwllheli’s seasonal charm. For more insights into how the weather shapes life here throughout the year, visit Pwllheli Climate.