December Weather in Brightons, United Kingdom

Last updated: March 17, 2025

In December, Brightons, United Kingdom experiences a cool and often damp climate. The average temperature hovers at a brisk 5°C (41°F), with daily highs reaching up to 13°C (55°F) and nighttime lows dipping as low as -6°C (22°F). This month also sees considerable precipitation, accumulating to 93 mm (3.7 in) over approximately 16 days, contributing to a rather humid atmosphere with humidity levels averaging around 89%. Visitors can expect a mix of chilly days and persistent rain, making it essential to dress warmly and prepare for wet weather.

December Temperature in Brightons

In Brighton, United Kingdom, December ushers in the chill of winter, with temperatures ranging from a frosty -6°C (22°F) at night to a modest 13°C (55°F) during the day. The average temperature hovers around 5°C (41°F), setting the tone for a brisk month. As December wraps up the year, temperatures are noticeably cooler compared to the preceding months, marking a transition into the colder season. This trend of declining temperatures from autumn is punctuated by December's crisp air and the anticipation of festive cheer, making it a time for bundling up and enjoying the vibrant holiday atmosphere.

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

The chart illustrates December temperature patterns in Brightons, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404143465257605955504441
Data source: Temperature data for Brightons 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 Brightons

In December, Brighton experiences a notable uptick in precipitation, with an average of 93 mm (3.7 inches) of rain spread over 16 days. This marks the end of a wetter year, following the trend of increased rainfall observed in the autumn months, particularly November, which recorded 83 mm. As temperatures dip, the consistent drizzle and occasional downpours define the city's climate, inviting a cozy atmosphere but also reminding residents to pack their umbrellas. Interestingly, December's precipitation reflects a slight increase from earlier months, capturing the essence of winter in this vibrant seaside town.

December Precipitation Trends in Brightons

The chart displays monthly precipitation patterns in Brightons, 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.
JanFebMarAprMayJunJulAugSepOctNovDec671089240648982106741078393
Data source: Precipitation data for December generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

December Humidity in Brightons

As December arrives in Brighton, the coastal city experiences a notable shift in humidity levels, hovering around 89%. This marks a slight decrease from the wetter autumn months, where November peaks at 92%. The winter chill settles in, but compared to the preceding months, December's humidity showcases the characteristic dampness of maritime climates. Notably, the summer months of July and August bring a more moderate 82%, highlighting how the seasonal transition affects the air's moisture content. Overall, while Brighton's December humidity remains relatively high, it signifies the start of winter's crisp air, providing a refreshing contrast to the heavier humidity of fall.

December Average Humidity in Brightons

This chart illustrates the average monthly humidity levels in Brightons, 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.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%85%81%83%82%82%88%90%92%89%
Data source: Humidity data for December generated using information from the Copernicus Climate Change Service.

December UV Index in Brightons

In December, Brightons, United Kingdom, experiences a low UV Index of 1, similar to January and November, indicating minimal sun exposure risk. With a designated burn time of 45 minutes, residents can enjoy the winter sun safely without much concern for skin damage. This consistent low level of UV radiation throughout the winter months highlights a trend of protection from harmful solar effects, making it a perfect time for outdoor activities without the urgency of extensive sun protection. For more detailed insights, visit the Brightons UV Index.

Maximum UV Index Levels in Brightons for December

The chart shows the monthly maximum UV Index (UVI) for Brightons 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568765311
Data source: Brightons 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 Brightons

In Brighton, December brings a quiet end to the year with only 66 hours of sunshine, mirroring the sparse light of January. This twinkling city often sees a significant shift in daylight as winter descends, leading to a sharp contrast from the vibrant sun-soaked months of May (375 hours) and July (366 hours). As the seasons transition, the spring months—particularly April (309 hours) and March (172 hours)—offer a glimpse of brightness before the darker days of late autumn and winter set in. With sunshine hours dwindling in November (98 hours) and further dipping in December, it's evident that Brighton is a city that savors its sunny seasons, eagerly awaiting their return as longer days of spring approach.

Monthly Sunshine Duration in Brightons: December Highlighted

The December sunshine duration represents the total number of hours Brightons 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.
JanFebMarAprMayJunJulAugSepOctNovDec66h116h172h309h375h352h366h331h264h184h98h66h
Data source: Brightons December Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Brightons During December

In Brighton, United Kingdom, December is a month where the likelihood of sunny weather dips to a modest 17%, mirroring the city's overall trend of decreasing sunshine hours as winter settles in. Following a slight increase in November, where the chance of sun rises to 29%, December’s gloom sets in, with sunshine becoming a rare delight. This trend is consistent across the colder months, with only April breaking the pattern by enjoying a significant 43% chance of sunshine. As the year wraps up, residents and visitors alike can expect more overcast days, making those precious moments of winter sun even more special.

Percentage of Sunny Days in December in Brightons

The chart illustrates the percentage of sunny days in Brightons 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 Brightons experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%23%19%44%26%20%26%22%17%18%29%17%
Data source: Brightons December chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Brightons in December

As the year winds down in Brighton, United Kingdom, December offers a return to shorter days, with only 7 hours of daylight. This trend reflects the gradual decline in daylight that begins after the lush brightness of summer, where June peaks at an impressive 17 hours. Following this apex, the daylight hours steadily dwindle through the autumn months, culminating in November's 8 hours before reaching the seasonal low in December. While the days may be shorter, they carry the promise of the return of longer daylight hours, as the cycle continues to pivot towards spring, sparking anticipation for the 9 hours of daylight in February and the revitalizing 11 hours by March.

Average Daylight Hours in Brightons for December

The chart illustrates the variation in daylight duration in Brightons throughout the year, with December highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 40m9h 35m11h 53m14h 14m16h 21m17h 29m16h 52m14h 57m12h 40m10h 20m8h 12m7h 2m
Data source: Brightons daylight hours, calculated by summing the hours between sunrise and sunset for each day.

December Winds in Brightons

In December, Brighton experiences a gentle average wind speed of 3.4 m/s (8 mph), reflecting a subtle ebb in breezy conditions as the year winds down. Following the briskness of November, which boasted gusts reaching 4.3 m/s (10 mph), December’s winds tend to calm, inviting locals and visitors to enjoy the festive atmosphere without the harshness of stronger gales. This period marks a notable trend, as the wind speeds generally fluctuate throughout the year, with winter months typically showcasing milder conditions compared to the gustier autumn. As we transition into the new year, Brighton's December winds create a balanced backdrop for wintery strolls along the coast, enhancing the city’s vibrant charm.

Average December Wind Speed in Brightons

The chart displays monthly wind speed patterns in Brightons, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.25.14.32.83.03.42.32.53.14.14.33.4 m/s
Data source: Brightons December wind data, generated using information from the Copernicus Climate Change Service.

How December Weather in Brightons Compares to Other Months

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

In comparing December and January weather, both months experience similar temperature ranges, with December having slightly warmer average highs at 5°C (41°F) compared to January's average of 4°C (40°F). Both months also see minimum temperatures dipping to -6°C (22°F for December and 21°F for January). However, December is notably wetter, receiving 93 mm (3.7 in) of precipitation over 16 days, while January has less rain, totaling 67 mm (2.7 in) across just 11 days. Humidity levels remain high in both months, with December at 89% and January slightly higher at 90%. For more detailed information about January weather in Brighton, visit Brightons weather in January.

In December, temperatures range from a chilly -6°C (22°F) at night to a milder average of 5°C (41°F) during the day, peaking at around 13°C (55°F). The month experiences significant rainfall, with precipitation totaling 93 mm (3.7 in) over 16 days, contributing to a high humidity level of 89%. In contrast, February sees even colder nights with temperatures dropping to -11°C (13°F), while the daytime average remains steady at 5°C (41°F) and the maximum can reach 14°C (58°F). Rainfall increases slightly to 108 mm (4.2 in) over the same number of days, keeping humidity levels slightly lower at 88%. For more specifics on February weather, you can visit Brightons weather in February.

December and March present distinct weather patterns, although they share some similarities. In December, temperatures range from a chilly -6°C (22°F) at night to a mild 13°C (55°F) during the day, with an average of 5°C (41°F). The month sees considerable precipitation, totaling 93 mm (3.7 in) over 16 days, and a high humidity of 89%. In contrast, March offers slightly warmer conditions, with temperatures varying from -5°C (24°F) at night to a maximum of 17°C (63°F), averaging 6°C (43°F). Precipitation remains similar at 92 mm (3.6 in) and also occurs over 16 days, but humidity drops marginally to 86%. For more detailed information, you can check Brightons weather in March.

December and April present contrasting weather patterns. December typically experiences colder temperatures, with a minimum of -6°C (22°F) and an average of 5°C (41°F), while April offers a milder climate, with temperatures ranging from a minimum of -4°C (25°F) to a maximum of 22°C (72°F). Precipitation is more frequent in December, occurring on 16 days and totaling 93 mm (3.7 in), compared to April's 10 days of rain and 40 mm (1.6 in). Additionally, December boasts a higher humidity level at 89%, while April has a slightly lower humidity of 85%. For more details on what to expect in April, you can check Brightons weather in April.

In December, the weather is notably colder, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 13°C (55°F) and an average of 5°C (41°F). This month also sees significant precipitation, totaling 93 mm (3.7 in) over 16 days, contributing to a high humidity level of 89%. In contrast, May brings milder and more pleasant conditions, featuring temperatures that vary from a minimum of -1°C (31°F) to a maximum of 26°C (80°F), with an average temperature of 11°C (52°F). Rainfall in May is less intense, with a total of 64 mm (2.5 in) spread across 13 days and a lower humidity level of 80%. For more insights on the weather during this vibrant spring month, visit Brightons weather in May.

In December, temperatures can be quite chilly, ranging from a minimum of -6°C (22°F) to a maximum of 13°C (55°F), with an average of around 5°C (41°F). The month sees significant precipitation, totaling 93 mm (3.7 in) over approximately 16 days, accompanied by high humidity at 89%. In contrast, June offers a much milder climate, with temperatures ranging from a minimum of 5°C (42°F) to a comfortable maximum of 29°C (84°F), and an average temperature of 14°C (57°F). Precipitation slightly decreases to 89 mm (3.5 in), occurring over 13 days, and humidity is lower at 83%. For a closer look at June's weather specifics, check out Brightons weather in June.

December and July present contrasting weather experiences. In December, temperatures often dip as low as -6°C (22°F), with an average of 5°C (41°F) and a maximum of 13°C (55°F). The month is characterized by high humidity at 89% and considerable precipitation, with rain falling on 16 days for a total of 93 mm (3.7 in). In stark contrast, July boasts a much warmer climate, with temperatures ranging from a minimum of 6°C (44°F) to an average of 15°C (60°F) and reaching up to 29°C (84°F). Precipitation in July is slightly lower at 82 mm (3.2 in) over 15 days, and humidity is also less intense at 82%. For more detailed information about summer conditions, you can check Brightons weather in July.

December and August present contrasting weather experiences in terms of temperature and precipitation. In December, the average temperature hovers around 5°C (41°F), with nighttime lows dropping to -6°C (22°F) and daytime highs reaching 13°C (55°F). This month sees significant precipitation of 93 mm (3.7 in) over 16 days, accompanied by high humidity at 89%. In contrast, August boasts warmer temperatures, with an average of 15°C (59°F), lows of 7°C (44°F), and highs of 26°C (79°F). Precipitation in August is slightly higher at 106 mm (4.2 in) but occurs over the same number of days. The humidity is also lower at 82%, making August feel more comfortable. For more details about the weather in August, visit Brightons weather in August.

December weather is notably colder than September, with temperatures ranging from a minimum of -6°C (22°F) to a maximum of 13°C (55°F), compared to September's relatively mild range of 0°C (32°F) to 26°C (79°F). Additionally, December experiences higher precipitation, totaling 93 mm (3.7 in) over 16 days, while September sees 74 mm (2.9 in) over 14 days. The humidity remains similar in both months, with December at 89% and September at 88%, creating a distinctly chilly and damp atmosphere in December compared to the more pleasant early autumn conditions in September. For more details, you can check Brightons weather in September.

In comparing the weather between October and December, we notice a significant drop in temperatures. In October, temperatures range from a minimum of -2°C (29°F) to a maximum of 20°C (68°F), averaging around 10°C (50°F). In contrast, December is much colder, with a minimum of -6°C (22°F) and a daily average of only 5°C (41°F), peaking at 13°C (55°F). Additionally, while October features slightly higher precipitation levels at 107 mm (4.2 in) over 17 days, December follows closely with 93 mm (3.7 in) over 16 days. Humidity remains consistently high in both months, with October at 90% and December at 89%. For more detailed insights, you can check Brightons weather in October.

In comparing the weather between November and December, it's clear that temperatures in December are slightly cooler, with average highs of 13°C (55°F) compared to November's 14°C (58°F). The minimum temperatures also reflect this trend, as December's lows reach -6°C (22°F), while November only dips to -4°C (25°F). Precipitation is a bit higher in December, totaling 93 mm (3.7 in) over 16 days, versus November's 83 mm (3.3 in) spread across 15 days. Humidity remains relatively high in both months, with December at 89% and November at 92%. For more details on November's weather, you can check Brightons weather in November.

Compare Brightons's Climate with Cities Worldwide

Conclusion: What to Expect From December Weather in Brightons

As December rolls in, Brighton experiences a noticeable shift in weather, bringing cooler temperatures and increased humidity that set it apart from other months. With an average chill in the air and the potential for frosty nights, residents and visitors alike must prepare for the frequent rainfall that characterizes this time of year. It’s a month marked by short, gray days, where the vibrant coastal city takes on a more subdued atmosphere, yet it carries a unique charm as holiday festivities unfold. For those interested in understanding how Brighton's climate changes across the seasons, check out Brightons Climate.