December Weather in Portreath, United Kingdom

Last updated: March 17, 2025

December in Portreath, United Kingdom showcases a characteristic winter chill, with temperatures ranging from a cozy 14°C (58°F) at their peak to a brisk 2°C (36°F) at night. The month presents an average of 9°C (49°F), providing a cool backdrop for the festive season. Rainfall is frequent, accumulating to 123 mm (4.8 in) over 20 days, contributing to a lush, green landscape. With humidity levels hovering around 80%, residents and visitors alike can expect damp yet refreshing conditions, perfect for enjoying coastal walks or cozying up indoors by the fire.

December Temperature in Portreath

In Portreath, United Kingdom, December brings a hint of winter chill, with temperatures ranging from a minimum of 2°C (36°F) to a maximum of 14°C (58°F). The average temperature sits at a crisp 9°C (49°F), making this month noticeably cooler compared to the milder autumn months that precede it. As the year draws to a close, locals and visitors alike can expect the climate to shift; frostier nights and brisk days pave the way for the festive season, in contrast to the relatively warmer temperatures experienced in July and August. December’s mild winters in Portreath offer a unique opportunity to enjoy the coastal charm wrapped in cozy layers, fostering a delightful atmosphere for beach strolls and holiday gatherings.

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

The chart illustrates December temperature patterns in Portreath, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec464747505459636260555049
Data source: Temperature data for Portreath generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

December Precipitation in Portreath

December in Portreath, United Kingdom, marks a significant uptick in precipitation, with 123 mm (4.8 in) of rainfall over the month. This moisture-rich finale to the year stands out against the relatively drier conditions of earlier months, such as April and May. Notably, December also hosts the highest number of precipitation days, totaling 20 days, hinting at an almost constant presence of rain. This pattern not only contributes to the lush greenery typical of the region but also underscores a trend of increased rainfall as winter unfolds, positioning December firmly as the wettest month of the year. As the landscape transforms under these winter showers, it prepares for the quieter months ahead, blending beauty with the challenges of the season.

December Precipitation Trends in Portreath

The chart displays monthly precipitation patterns in Portreath, 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.
JanFebMarAprMayJunJulAugSepOctNovDec708584506582676267118100123
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Portreath

December in Portreath, United Kingdom, marks a slight decline in humidity, with levels reaching 80%. This decrease is indicative of a seasonal trend where humidity generally peaks during the warmer months, soaring to 87% in July, followed by a gradual decrease as colder weather sets in. From June through October, humidity levels remain relatively high, typically ranging from 85% to 86%, before dipping in November and December. As winter approaches, the air becomes crisper, contributing to the lower December humidity. Despite this drop, the month still reflects Portreath's overall coastal climate, which is synonymous with high humidity throughout most of the year.

December Average Humidity in Portreath

This chart illustrates the average monthly humidity levels in Portreath, 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.
JanFebMarAprMayJunJulAugSepOctNovDec81%84%83%84%85%86%87%86%85%85%82%80%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Portreath

As December rolls into Portreath, the UV Index takes a noticeable dip, measuring at 1—reflecting a low exposure category. This trend towards lower UV levels during the winter months is consistent, following a peak in June with a very high index of 9. Throughout the year, residents can observe a gradual shift from the comfortable mid-range indices in early spring, peaking in the summer with reduced burn times of just 15 minutes at their highest. In contrast, December offers a safer burn time of 45 minutes, making outdoor activities much more manageable. As the sun's intensity wanes, it's crucial to understand these seasonal changes in UV exposure for safe sun practices. For more details, visit Portreath UV Index.

Maximum UV Index Levels in Portreath for December

The chart shows the monthly maximum UV Index (UVI) for Portreath 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.
JanFebMarAprMayJunJulAugSepOctNovDec224679876421
Data source: Portreath 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 Portreath

In Portreath, United Kingdom, the December days are often painted with a gentle glow, as the town enjoys an average of 119 hours of sunshine. Though this marks a decline from the vibrant peaks of summer, where sunlight stretches luxuriously through June and July with over 400 hours, it still offers a serene charm in the cooler months. The transition from the bright May days, boasting an impressive 410 hours, to the quieter December light invites a captivating contrast. As the year draws to a close, the decrease in sunshine speaks to the seasonal rhythm, yet Portreath's winter atmosphere remains enchanting, combining the remnants of autumn with the anticipation of spring's return.

Monthly Sunshine Duration in Portreath: December Highlighted

The December sunshine duration represents the total number of hours Portreath 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.
JanFebMarAprMayJunJulAugSepOctNovDec96h159h238h355h410h409h427h391h329h261h154h119h
Data source: Portreath December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Portreath During December

As December rolls in, the chances of basking in the sun in Portreath, United Kingdom, diminish significantly, with a mere 19% likelihood of sunny weather. This marks a noticeable decline compared to earlier months, particularly from the lofty 50% chance of sunshine in April. Following the pattern, November also sees a drop to 22%, indicating a clear trend of decreasing sunlight as winter approaches. This seasonal shift not only sets the stage for colder, gloomier days but also underscores the coastal town's transition into the heart of winter, where the sun takes a backseat to the clouds.

Percentage of Sunny Days in December in Portreath

The chart illustrates the percentage of sunny days in Portreath 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 Portreath experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%24%33%50%37%28%38%30%31%28%22%19%
Data source: Portreath December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Portreath in December

As December settles over Portreath, the daylight duration mirrors the twilight of November, with only 8 hours of light illuminating the coastal landscape. This short span serves as a reminder of the brisk winter days, where the sun rises late and sets early, creating a cozy ambiance perfect for festive gatherings. Following the gradual increase in daylight from the dark depths of January to the longer hours of June, Portreath experiences a familiar cycle of light and darkness. Just as the days lengthen through the spring and summer months, the descent into winter brings a cozy stillness, inviting both locals and visitors to embrace the warmth of indoors before the daylight extends once more come springtime.

Average Daylight Hours in Portreath for December

The chart illustrates the variation in daylight duration in Portreath throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 34m10h 4m11h 55m13h 49m15h 27m16h 18m15h 51m14h 23m12h 33m10h 40m8h 59m8h 6m
Data source: Portreath daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Portreath

In December, Portreath experiences a noticeable uptick in wind activity, with an average speed of 7.3 m/s (16 mph), matching February as the windiest month of the year. This increase marks a distinct shift from the milder winds of the summer months, where breezes typically hover around the 4 to 5 m/s range. As the year wraps up, the return of stronger winds not only invigorates the coastal landscape but also sets a dynamic scene for winter activities. This trend of fluctuating wind speeds throughout the seasons showcases the unique climate characteristics of Portreath, making each month a fresh experience for residents and visitors alike.

Average December Wind Speed in Portreath

The chart displays monthly wind speed patterns in Portreath, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.17.36.04.86.14.24.54.84.45.95.27.3 m/s
Data source: Portreath December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Portreath Compares to Other Months

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

December and January exhibit similar temperature ranges, with January being slightly cooler on average. In December, the minimum temperature reaches 2°C (36°F) and averages around 9°C (49°F), while January's minimum dips to 0°C (32°F), with an average temperature of 8°C (46°F). Precipitation also decreases from 123 mm (4.8 in) over 20 days in December to just 70 mm (2.8 in) across 12 days in January, indicating a drier month. Humidity remains consistently high in both months, with January seeing a slight increase to 81% compared to December's 80%. For a more detailed look at January's weather, you can check Portreath weather in January.

In comparing the weather of December and February, December tends to be milder overall, with average temperatures ranging from 2°C (36°F) to a maximum of 14°C (58°F). It also experiences higher precipitation, totaling 123 mm (4.8 in) over approximately 20 days. In contrast, February sees slightly cooler overall temperatures, with a minimum of -2°C (28°F) and a similar maximum of 14°C (58°F). Precipitation decreases to 85 mm (3.4 in) over 16 days, and humidity remains relatively high at 84%. For a closer look at February's conditions, you can explore Portreath weather in February.

In comparing the weather between December and March, we notice a few distinct differences. December tends to be milder, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 14°C (58°F), accompanied by substantial precipitation of 123 mm (4.8 in) over approximately 20 days. In contrast, March experiences a wider temperature range, dipping as low as -4°C (26°F) but averaging around 9°C (48°F) and peaking at 16°C (61°F). While March is slightly less wet, with 84 mm (3.3 in) of precipitation over 17 days, it also exhibits a higher humidity level at 83%. For a detailed look at March weather in Portreath, visit Portreath weather in March.

When we compare the weather in December and April, several notable differences emerge. December tends to be cooler overall, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 14°C (58°F), while April sees a mild increase, with temperatures varying from 2°C (35°F) at night to as high as 20°C (68°F) during the day. Additionally, December experiences significantly more precipitation, with 123 mm (4.8 in) of rainfall spread over 20 days compared to just 50 mm (2.0 in) across only 9 days in April. Both months exhibit high humidity levels, but April's 84% slightly edges out December's 80%. For more detailed insights, you can check the information at Portreath weather in April.

December weather is typically cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 14°C (58°F), and a higher precipitation level of 123 mm (4.8 in) spread over 20 days. In contrast, May brings milder temperatures, featuring a minimum of 4°C (40°F) and reaching up to 22°C (72°F), with significantly less precipitation at 65 mm (2.5 in) over just 12 days. The humidity remains quite high in both months, at 80% for December and slightly higher at 85% in May. For a closer look at the pleasant weather conditions in May, check out Portreath weather in May.

The weather in December is notably cooler than in June, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 14°C (58°F), while June enjoys milder temperatures, averaging between 8°C (47°F) and 26°C (80°F). Precipitation is also more frequent in December, with rain occurring on about 20 days and a total of 123 mm (4.8 in), compared to June’s 13 days of rainfall totaling 82 mm (3.2 in). Humidity levels are relatively high in both months, with December at 80% and June slightly higher at 86%. For those interested in specifics about June weather, you can find more information here: Portreath weather in June.

December weather is characterized by cooler temperatures, with minimums dipping to 2°C (36°F) and average highs around 9°C (49°F). This month is notably wetter, with a significant 123 mm (4.8 in) of precipitation spread over approximately 20 days, all while maintaining a humidity level of 80%. In contrast, July brings warmer conditions, featuring minimums of 11°C (52°F) and average highs reaching 17°C (63°F), with maximum temperatures soaring up to 26°C (80°F). Precipitation in July is reduced to 67 mm (2.6 in) over about 11 days, accompanied by a slightly higher humidity of 87%. For a detailed look at July weather patterns, you can visit Portreath weather in July.

When comparing December and August weather, notable differences emerge in both temperature and precipitation. December presents a colder climate, with average temperatures ranging from a chilly 2°C (36°F) to a maximum of 14°C (58°F), alongside significant rainfall of 123 mm (4.8 in) over approximately 20 days. In contrast, August enjoys milder conditions with average temperatures between 11°C (53°F) and 24°C (75°F). Additionally, it experiences less rainfall, totaling 62 mm (2.4 in) spread over about 13 days. The humidity remains relatively high in both months, with December at 80% and August at 86%. For more detailed insights, you can check out Portreath weather in August.

In December, the weather is notably cooler with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 14°C (58°F), while September enjoys milder conditions with temperatures that typically range from 8°C (47°F) to a warm 26°C (79°F). Precipitation is more frequent in December, with an average of 123 mm (4.8 in) spread across 20 days, compared to September's 67 mm (2.6 in) over just 12 days. Interestingly, although December's humidity is slightly lower at 80%, the overall feel is damp and chilly, contrasting sharply with September’s warmer and slightly more humid climate at 85%. For a closer look at September's weather specifics, you can check the details here: Portreath weather in September.

In comparing the weather between December and October, we can see some notable differences. December tends to be cooler, with average temperatures ranging from a minimum of 2°C (36°F) to a maximum of 14°C (58°F), while October experiences slightly warmer averages, with temperatures peaking at 19°C (67°F). Additionally, December is characterized by higher precipitation, totaling 123 mm (4.8 in) over 20 days, in contrast to October's 118 mm (4.6 in) over just 15 days. Humidity levels are also a bit lower in December at 80% compared to October's 85%. For a more detailed look at October weather, you can visit Portreath weather in October.

In comparing the weather between December and November, both months experience similar minimum temperatures, with December maintaining a consistent low of 2°C (36°F). However, December's average temperature is slightly lower at 9°C (49°F) compared to November's 10°C (51°F), and the maximum temperature also drops to 14°C (58°F) from November's 16°C (61°F). Precipitation increases in December, with 123 mm (4.8 in) over 20 days, compared to 100 mm (3.9 in) over 18 days in November. Humidity levels remain relatively high in both months, with December at 80% and November at 82%. For more specific details on the weather in Portreath during November, you can refer to Portreath weather in November.

Compare Portreath's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Portreath

As December wraps its cool embrace around Portreath, the weather reveals a stark contrast to the milder months that precede it. With average temperatures hovering around 9°C, this month feels notably chillier, pushing the mercury to lower limits we don't see often throughout the year. Frequent precipitation, with about 20 rainy days and a total of 123 mm of rain, creates a wet and somewhat gloomy atmosphere, making it one of the wettest months. Despite the chilly winds and dreary skies, December's 80% humidity adds a unique layer of coastal mist, giving the town a picturesque winter charm. For those curious about how Portreath's December weather compares to the rest of the year, you can explore more at Portreath Climate.