January Weather in Brighton, United Kingdom

Last updated: March 17, 2025

January in Brighton brings a refreshing yet brisk maritime climate, where daytime temperatures typically peak at 13°C (55°F) and dip to a chilly 1°C (35°F) at night. The month witnesses an average temperature of 7°C (45°F), creating a cool environment perfect for winter strolls along the iconic seafront. However, be prepared for 74 mm (2.9 in) of precipitation over 12 days, contributing to a high humidity level of 91%. This blend of cool temperatures and damp conditions makes January a unique time to experience the vibrant charm of Brighton amidst its wintery scenery.

January Temperature in Brighton

In Brighton, United Kingdom, January brings a cool coastal chill, with temperatures ranging from a minimum of 1°C (35°F) to a pleasant maximum of 13°C (55°F), lending itself to an average of 7°C (45°F). This month stands out as the transition point in winter, where the crisp air begins to hint at the incoming warmth of spring. Notably, the temperature remains consistent through February and March, often hovering around a nippy 7°C (45°F), before slowly climbing in April. As the days lengthen and temperatures warm, the city prepares to embrace the blossoming energy of the approaching seasons, showcasing its beautiful transformation from the starkness of winter to the vibrancy of spring.

January Weather in Brighton: Daily Temperature Highs, Lows, and Averages

The chart illustrates January temperature patterns in Brighton, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454546495459636462575148
Data source: Temperature data for Brighton 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.

January Precipitation in Brighton

In January, Brighton experiences a moderate precipitation with a total of 74 mm (2.9 in) spread over approximately 12 days of rain. This sets the stage for a typically damp winter month, which is slightly less than the wetter months of October and November, when the city receives 129 mm (5.1 in) and 110 mm (4.3 in) respectively. Interestingly, as the seasons transition into spring, January's rainfall is relatively stable compared to February, which sees a slight increase to 78 mm (3.1 in) but also brings more rainy days, totaling 15. As winter progresses, the precipitation trend shows a gradual decline leading into the drier months of April and May, highlighting Brighton's dynamic climate where each month brings its own unique weather rhythm.

January Precipitation Trends in Brighton

The chart displays monthly precipitation patterns in Brighton, with values for each month alongside January's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how January's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec747867294765527463129110138
Data source: Precipitation data for January generated using information from the Copernicus Climate Change Service.
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January Humidity in Brighton

In January, Brighton experiences a notably high humidity level of 91%, setting the tone for a winter that often feels damp and chill. This trend of elevated humidity continues into the following months, with February at 89% and showing slight decreases in March (86%) and April (85%). As spring unfolds, humidity levels drop further, reaching a comfortable 79% in May. However, the summer months see a shift as humidity rises again, hitting 80% in June and peaking at a more pleasant 71% in July. After summer, humidity levels rebound, culminating in a rather wet October and November, both at 90% and 92% respectively, before transitioning to a similar high at 92% in December. This cyclical pattern underscores Brighton's coastal climate, characterized by significant seasonal shifts in humidity that define its weather throughout the year.

January Average Humidity in Brighton

This chart illustrates the average monthly humidity levels in Brighton, with January's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how January's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for January generated using information from the Copernicus Climate Change Service.

January UV Index in Brighton

In January, Brighton, United Kingdom, experiences a relatively low UV Index of 2, indicating minimal sun risk with a burn time of 45 minutes. This trend of low UV levels continues into February, making it a good time to enjoy outdoor activities without much sun protection. However, as spring approaches, there’s a noticeable shift; in March, the UV Index increases to 4, categorized as moderate, which reduces the burn time to 30 minutes. The rising trend continues through April and May, reaching 6 and 7 respectively, highlighting the need for more sun safety as the days grow longer. By June and July, the UV Index peaks at 8—very high—demanding vigilance with a mere 15 minutes before sunburn could occur. The intensity slightly lessens in August and September, where it remains high but manageable. As the year winds down, October sees a return to moderate levels, while November and December once again present low UV ratings, wrapping up the year just as it began. For detailed UV insights, check out Brighton UV Index.

Maximum UV Index Levels in Brighton for January

The chart shows the monthly maximum UV Index (UVI) for Brighton in January, 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.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Brighton January 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.

January Sunshine in Brighton

January in Brighton marks the beginning of the year with a modest 103 hours of sunshine, setting a cool, crisp tone for the month. As winter wanes, February brings a notable increase to 153 hours, hinting at the promise of spring. By March, the sun graces the city for 228 hours, energizing residents and visitors alike. The trend continues to rise dramatically through April, peaking at 347 hours, heralding the full bloom of spring. As summer approaches, May shines with 416 hours, followed closely by the sun-drenched June, which boasts 411 hours. July reaches its zenith with 424 hours, making it the sunniest month of the year. Although August sees a slight decline to 388 hours, the warmth lingers into early autumn. September’s 324 hours still captivate, while October brings a cozy 255 hours. As the year concludes, November and December slip back to 159 hours and 120 hours respectively, reminding us of the comforting cycle of seasons in this vibrant coastal city.

Monthly Sunshine Duration in Brighton: January Highlighted

The January sunshine duration represents the total number of hours Brighton experiences direct sunlight during the month of January, excluding cloudy or obstructed periods. This chart compares the sunshine duration of January with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec103h153h228h347h416h411h424h388h324h255h159h120h
Data source: Brighton January Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Brighton During January

January in Brighton, United Kingdom, presents a modest 21% chance of sunny weather, making it one of the cloudier months of the year. This trend of limited sunshine continues into December, also at 21%, hinting at the winter's grip on the coastal city. However, as winter gives way to spring, the likelihood of sunny days begins to rise significantly, with February seeing a slight increase to 25%, and March jumping to 42%. This gradual transition showcases Brighton's shifting weather patterns, where the return of longer days and warmer temperatures in April further elevates the chance of sunshine to a more cheerful 59%. Thus, while January might feel dreary, brighter days are just around the corner.

Percentage of Sunny Days in January in Brighton

The chart illustrates the percentage of sunny days in Brighton throughout the year, with January 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 Brighton experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%25%42%59%43%32%42%38%37%31%37%21%
Data source: Brighton January chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Brighton in January

In January, Brighton greets the year with a modest 8 hours of daylight, but as the months progress, a gradual transformation unfolds. February sees a slight increase to 10 hours, hinting at the approaching spring. By March, daylight continues to march on, extending to 11 hours, invigorating the city with longer days. This upward trend peaks in June with an impressive 16 hours of daylight, perfect for enjoying the seaside. As summer wanes, July and August maintain a generous 15 and 14 hours, respectively, before the days begin to shorten again. By October, daylight retreats to 10 hours, and as winter approaches, both November and December drop back to 8 hours, reminding us of the cyclical nature of seasons in this vibrant coastal city.

Average Daylight Hours in Brighton for January

The chart illustrates the variation in daylight duration in Brighton throughout the year, with January highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 29m10h 1m11h 55m13h 51m15h 32m16h 25m15h 57m14h 26m12h 34m10h 38m8h 55m8h
Data source: Brighton daylight hours, calculated by summing the hours between sunrise and sunset for each day.

January Winds in Brighton

In Brighton, January greets residents with an average wind speed of 7.9 m/s (18 mph), setting a brisk tone for the month. As winter wanes into February, the wind picks up slightly, increasing to 8.2 m/s (18 mph), before settling down to a milder 6.8 m/s (15 mph) in March. This pattern of fluctuating winds continues through spring, with April bringing a gentle breeze of 5.8 m/s (13 mph), and May experiencing a slight revival at 7.0 m/s (16 mph). The summer months see a notable drop, with June's breeze calming to 4.6 m/s (10 mph), while July and August record modest increases. As autumn arrives, the winds in October pick up once more to 7.7 m/s (17 mph), suggesting a gradual return to the robust conditions of winter. Interestingly, December mirrors January with another 7.9 m/s (18 mph) average, closing the year on a familiar, invigorating note. This cyclical trend illustrates Brighton's dynamic coastal weather, where the winds never stay still for long.

Average January Wind Speed in Brighton

The chart displays monthly wind speed patterns in Brighton, with values for each month shown alongside January's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how January's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec7.9 m/s8.26.85.87.04.65.46.35.67.76.77.9
Data source: Brighton January wind data, generated using information from the Copernicus Climate Change Service.

How January Weather in Brighton Compares to Other Months

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

In January, the weather features a mild average temperature of 7°C (45°F), with minimums reaching 1°C (35°F) and maximums of 13°C (55°F). Precipitation is relatively high at 74 mm (2.9 in) over about 12 days, accompanied by a high humidity of 91%. In contrast, February sees slightly cooler temperatures, with a minimum of -1°C (30°F) and a maximum of 12°C (54°F), while the average remains stable at 7°C (45°F). Precipitation increases slightly to 78 mm (3.1 in) across 15 days, and humidity decreases to 89%. For more detailed weather information for February, you can visit Brighton weather in February.

In comparing the weather between January and March, both months share similar maximum temperatures, reaching up to 13°C (55°F). However, January has slightly milder average temperatures, with a minimum of 1°C (35°F) compared to March's minimum of -1°C (30°F). Precipitation is also notable in both months; January receives 74 mm (2.9 in) over 12 days, while March has slightly less at 67 mm (2.6 in) over 14 days. Additionally, humidity levels are marginally higher in January at 91%, compared to March's 86%. For more details on the weather specific to March, you can check Brighton weather in March.

In January, the weather is characterized by chillier temperatures, with a minimum of 1°C (35°F) and an average of 7°C (45°F), while the maximum reaches up to 13°C (55°F). This month also sees significant precipitation, totaling 74 mm (2.9 in) over approximately 12 days, accompanied by high humidity levels of 91%. In contrast, April brings a slight warmth, with a minimum temperature of 2°C (37°F), an average of 9°C (49°F), and a maximum of 15°C (60°F). Precipitation decreases notably to 29 mm (1.2 in) over just 6 days, and the humidity also drops to 85%. For a closer look at what to expect, take a look at Brighton weather in April.

In January, the weather is notably chillier, with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 13°C (55°F) and an average of 7°C (45°F). The month also sees significant precipitation, totaling 74 mm (2.9 in) over about 12 days, contributing to a high humidity level of 91%.

Conversely, May welcomes a more moderate climate, with temperatures starting at a minimum of 6°C (42°F) and peaking at 19°C (66°F), averaging around 12°C (54°F). The precipitation in May is less frequent, with totals around 47 mm (1.8 in) across about 9 days and a lower humidity level of 79%. For a more detailed look at the weather in May, you can check Brighton weather in May.

In January, the weather is quite chilly, with average temperatures ranging from a minimum of 1°C (35°F) to a maximum of 13°C (55°F). There is considerable precipitation, averaging 74 mm (2.9 in) over about 12 days, coupled with high humidity at 91%. In contrast, June offers a much milder climate, with temperatures ranging from a minimum of 10°C (51°F) to a pleasant maximum of 21°C (70°F). Precipitation is slightly lower at 65 mm (2.6 in) across 9 days, and humidity drops to 80%. Overall, June in Brighton is characterized by warmer temperatures and less intense weather conditions compared to the chilly, wet January. For more details on June weather in Brighton, check out Brighton weather in June.

January and July present stark contrasts in weather conditions. In January, temperatures range from a chilly 1°C (35°F) at night to a mild 13°C (55°F) during the day, accompanied by higher humidity levels at 91%. The month also sees significant precipitation, with an average of 74 mm (2.9 in) over about 12 days. In contrast, July offers a warmer climate, with temperatures ranging from a comfortable 13°C (56°F) at night to a pleasant 23°C (74°F) during the day. The humidity drops to 71%, and precipitation decreases to 52 mm (2.0 in) over approximately 9 days. For more detailed insights on July weather, visit Brighton weather in July.

When comparing the weather in January and August, it's clear that the two months offer contrasting experiences. January's temperatures range from a chilly minimum of 1°C (35°F) to a maximum of 13°C (55°F), with an average of 7°C (45°F). This cold month also sees high humidity at 91% and receives 74 mm (2.9 in) of precipitation over 12 days. In stark contrast, August enjoys milder conditions, with temperatures ranging from a minimum of 12°C (54°F) to a pleasant maximum of 24°C (76°F), averaging around 18°C (64°F). Although August shares the same total precipitation of 74 mm (2.9 in), it experiences slightly more rainy days at 13 and lower humidity at 76%. For a closer look at how summer weather shapes up, check out Brighton weather in August.

January weather in Brighton is characterized by cooler temperatures, with minimums dropping to around 1°C (35°F) and averages around 7°C (45°F), making it the coldest month of the year. The precipitation is relatively high, with about 74 mm (2.9 in) falling over 12 days, and humidity levels can rise to 91%, contributing to a damp and chilly atmosphere. In contrast, September experiences a notable warming trend, with minimum temperatures starting at 10°C (50°F) and averaging 16°C (62°F). Although September sees slightly less precipitation at 63 mm (2.5 in) over 11 days, it offers a more pleasant humidity level of 82%. For more detailed insights, you can check out Brighton weather in September.

In January, the weather is generally colder with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 13°C (55°F), and an average of 7°C (45°F). This month experiences around 74 mm (2.9 in) of precipitation over 12 days, coupled with a high humidity of 91%. In contrast, October offers milder temperatures, with a minimum of 6°C (43°F), an average of 14°C (58°F), and a maximum of 20°C (68°F). However, it sees more rainfall, totaling 129 mm (5.1 in) across 16 days, while maintaining a slightly lower humidity of 90%. For more detailed information about the weather in October, you can check out Brighton weather in October.

In comparing the weather between January and November, January tends to be slightly cooler, with temperatures averaging around 7°C (45°F) compared to November's average of 11°C (52°F). While January experiences a maximum of 13°C (55°F), November can reach up to 16°C (61°F). Precipitation is also more frequent in November, occurring on 16 days and totaling 110 mm (4.3 in), compared to January's 74 mm (2.9 in) over 12 days. Humidity levels are quite similar, with January at 91% and November at 92%. For more details on November's weather, you can check Brighton weather in November.

In January, the weather is relatively cool with temperatures ranging from a minimum of 1°C (35°F) to a maximum of 13°C (55°F) and an average temperature of 7°C (45°F). Precipitation is moderate at 74 mm (2.9 in), occurring over approximately 12 days, and humidity levels are high at 91%.

In contrast, December tends to be slightly warmer, featuring temperatures that range from a minimum of 2°C (35°F) to a maximum of 13°C (56°F) with an average of 9°C (48°F). However, it experiences more precipitation, totaling 138 mm (5.4 in) over about 18 days and a humidity of 92%.

For a detailed look at weather conditions, you can visit Brighton weather in December.

Compare Brighton's Climate with Cities Worldwide

Conclusion: What to Expect From January Weather in Brighton

As winter settles in, January in Brighton offers a distinct contrast to the milder months of spring and summer. With temperatures averaging around 7°C, the chill is palpable, especially as the humidity hovers at a high 91%, giving the air a damp feel. While the rain greets residents and visitors alike on approximately 12 days, the total precipitation of 74 mm keeps the city lush and vibrant, albeit a tad soggy. This month truly embodies the essence of a British winter, setting the stage for cozy indoor activities and scenic coastal walks when the skies clear. For a deeper understanding of Brighton's climate throughout the year, check out Brighton Climate.