Last updated: March 17, 2025
January in the City of London brings a mix of chilly temperatures and damp weather, making it a quintessential winter month. The maximum temperature hovers around 14°C (58°F), while the average drops to a brisk 5°C (41°F), and overnight lows can plunge to a frosty -5°C (24°F). This month sees an average precipitation of 54 mm (2.1 in) over approximately 9 days, contributing to a high humidity level of 91%. Visitors may encounter a predominantly overcast skyline, with occasional rain contributing to the city's enchanting, misty charm.
In January, temperatures in the City of London exhibit a chilly demeanor, showcasing a stark range from a frigid -5°C (24°F) to a milder 14°C (58°F). The average temperature hovers around 5°C (41°F), reflecting the winter's grip on the city. As the month transitions into February, it becomes even colder, with a recorded minimum of -7°C (21°F), while the maximum temperature inches up to 18°C (65°F). This fluctuation indicates a gradual warming trend as spring approaches, with March revealing an average of 8°C (46°F) and highs reaching 22°C (72°F). Notably, January stands out as one of the coldest months, setting the stage for the warming patterns that follow, where temperatures consistently rise until summer brings peaks of 36°C (97°F) in July. As winter relinquishes its hold, the overall trend signifies a steady increase in temperatures, paving the way for brighter and warmer days ahead.
In January, the City of London experiences an average precipitation of 54 mm (2.1 in) over 9 days, setting the tone for a typically damp winter month. This slightly elevated rainfall is consistent with the range of precipitation observed in the preceding months, where February and March also see similar amounts, each hovering around 52 mm. Interestingly, January's precipitation initiates a gradual uptick in rainfall as spring approaches, with May's 63 mm signaling the beginning of a wetter season. Overall, January's precipitation not only reflects the cool, drizzly character of London winters but also foreshadows the more robust rainfall that will follow in the ensuing months.
In January, the City of London experiences a substantial humidity level of 91%, setting the tone for a month marked by dampness and cool temperatures. As the winter chill gradually gives way to spring, the humidity begins to decrease, with February slightly dropping to 89% and stabilizing at 86% in March. This trend of declining humidity continues into the early months of spring, with April seeing 85% and May at 82%. However, as the city transitions into the summer, humidity levels maintain a relatively comfortable range, dipping further to 76% in July before rising again in the later months. By October, humidity returns to 89%, peaking at 92% in both November and December, reflecting a cyclical pattern where winter months bring back the familiar dampness that London is known for. Overall, the city's humidity trends illustrate a clear seasonal rhythm, highlighting how each month contributes to a broader climatic narrative.
In January, the UV Index in the City of London remains low at 1, signifying minimal sun exposure risks, with a burn time of 45 minutes. As winter progresses into February, this trend continues, maintaining the same low index and burn time. However, as spring approaches in March, a noticeable shift occurs with the UV Index climbing to 4, entering the moderate exposure category, which shortens the safe burn time to 30 minutes. This upward trend continues into April with a UV Index of 5. By May, Londoners must be more cautious as the index rises to 7, indicating high exposure risk and reducing safe sun exposure to 25 minutes. The summer months of June and July bring peak UV levels at 8, defining a very high risk of harm from UV rays, with the burn time plummeting to just 15 minutes! While August and September offer some relief with high indexes of 7 and 6 respectively, the downtrend continues through the fall, returning to low levels of 2 in November and 1 by December. This annual fluctuation highlights the importance of sun safety practices, especially during the warmer months. For a detailed overview, visit the City of London UV Index.
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In the City of London, January brings a modest 95 hours of sunshine, marking the beginning of a gradual ascent towards the brighter months ahead. As winter loosens its grip, February sees an uptick to 146 hours, hinting at the promise of spring. The trend continues into March with 211 hours, as days lengthen and life begins to stir. By April, London basks in 319 hours of sunlight, and the peak of the spring bloom mirrors the surge in sunny days. May shines brightly with 398 hours, leading into the summer months where July reaches its zenith with 405 hours of glorious sunshine. However, as summer wanes, the hours begin to taper off; August provides 372 hours, followed by a gentle decline to 300 hours in September. The fall months witness a further decrease, with October offering 240 hours before the city drifts back into the subdued light of winter, recording just 142 hours in November and 106 hours in December. Overall, the data paints a vivid picture of seasonal change, with sunshine steadily increasing from winter's end into a vibrant summer, before gracefully transitioning back into the cozy embrace of autumn and winter.
In the heart of winter, the City of London experiences a modest 19% chance of sunny weather in January, marking it as one of the gloomiest months for sunlight. This trend starts to shift as the seasons change, with February seeing a slight rise to 25%, and March further improving to 29%. It’s a gradual transition into spring, where April boasts a notable leap to 49% sunshine, highlighting the arrival of brighter days. Interestingly, this is followed by a slight dip in sunny days through the summer months before the pattern again shifts come autumn. Overall, while January may not offer much in terms of sunshine, the upward trajectory leading into spring certainly heralds the promise of brighter days ahead.
In the City of London, January marks the beginning of a gradual ascent in daylight, offering 8 hours of sunlight that sets the stage for the increasing brightness of the year ahead. As February ushers in an additional hour, residents feel the early hints of spring, with daylight extending to 9 hours. This upward trend continues into March, where days stretch to 11 hours, and by April, the sun blesses the city with 13 hours of light, inviting outdoor activities. The peak of daylight arrives in the summer months of June and July, each basking in an impressive 16 hours. As autumn approaches, however, daylight begins its slow decline, dropping to 12 hours in September and further to 10 hours in October. The cycle concludes with the shorter days of November and December, returning to 8 hours and a mere 7 hours, respectively, reminding Londoners of the rhythm of the seasons and the fleeting nature of sunlight.
In January, the City of London experiences an average wind speed of 4.1 m/s (9 mph), signaling the onset of winter's brisk touch. This month typically sees winds that are slightly less vigorous than those of February, which averages 4.6 m/s (10 mph), suggesting a gradual increase as the seasons shift. Interestingly, March holds a comparable average wind speed of 4.4 m/s (10 mph), maintaining this gusty trend before the winds begin to soften in the spring, notably dropping to 3.4 m/s (8 mph) in April. The following months fluctuate around this range, with notable peaks in October and December, both returning to 4.3 m/s (10 mph). Overall, January serves as a pivotal month, setting the stage for the evolving winds that characterize the UK's winter and spring climate, highlighting a transitional trend in wind patterns throughout the year.
The weather in City of London 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 City of London and find detailed weather information for every month.
January and February present a transition in weather conditions. In January, temperatures range from a chilly -5°C (24°F) to a more comfortable average of 5°C (41°F), peaking at 14°C (58°F), with a total precipitation of 54 mm (2.1 in) over about 9 rainy days and high humidity at 91%. In contrast, February sees slightly colder minimum temperatures at -7°C (21°F) but offers a marginally warmer average of 6°C (43°F) and a higher maximum of 18°C (65°F). Precipitation remains relatively stable at 52 mm (2.0 in) across 11 days, with humidity slightly lower at 89%. For more detailed insights about February weather, you can check City of London weather in February.
In January, the weather is characterized by colder temperatures, with a minimum of -5°C (24°F) and an average of 5°C (41°F), reaching a maximum of 14°C (58°F). The month experiences about 54 mm (2.1 in) of precipitation across 9 days, accompanied by high humidity levels of 91%. In contrast, March sees a slight warming trend, with minimum temperatures remaining the same at -5°C (23°F), but an increase in the average to 8°C (46°F) and a peak of 22°C (72°F). Precipitation in March is similar, at 52 mm (2.1 in), but spread over 13 days, showing a wetter month despite slightly lower humidity at 86%. For more details on March weather, you can visit City of London weather in March.
In January, the weather is significantly colder, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F), and an average of 5°C (41°F). The month typically sees around 54 mm (2.1 in) of precipitation over 9 days, coupled with high humidity levels at 91%. In contrast, April brings a noticeable warming trend, with temperatures ranging from -2°C (29°F) to a maximum of 26°C (80°F) and an average of 10°C (49°F). Although April has less precipitation at 32 mm (1.3 in) over 7 days and slightly lower humidity at 85%, it marks a transition towards milder and more pleasant weather. For more details on April weather, visit City of London weather in April.
January and May present a stark contrast in weather conditions. In January, temperatures range from a chilly -5°C (24°F) at their lowest to a mild maximum of 14°C (58°F), with an average temperature of 5°C (41°F). The month sees a significant amount of precipitation, totaling 54 mm (2.1 in) over about 9 days, accompanied by high humidity levels at 91%.
In comparison, May offers a much warmer climate, with temperatures ranging from a minimum of 1°C (34°F) to a comfortable maximum of 25°C (78°F), averaging around 13°C (55°F). It experiences slightly higher rainfall, with 63 mm (2.5 in) spread over approximately 10 days, but humidity drops to a more moderate 82%. For a detailed look at May's weather conditions, check out City of London weather in May.
In January, the weather is notably colder, with average temperatures hovering around 5°C (41°F) and a minimum dipping to -5°C (24°F). This month experiences high humidity at 91% and receives about 54 mm (2.1 in) of precipitation over 9 days, making it feel quite damp. In contrast, June brings a significant rise in temperatures, with averages reaching 17°C (62°F) and highs soaring up to 32°C (89°F). Although June has slightly more precipitation at 77 mm (3.0 in), it only rains over 8 days, and the humidity drops to 81%. For more details, you can check out the City of London weather in June.
In January, the weather is quite chilly, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F) and an average temperature of around 5°C (41°F). The month also sees high humidity at 91% and about 54 mm (2.1 in) of precipitation spread over 9 days. In contrast, July brings a much warmer climate, where temperatures range from a minimum of 9°C (49°F) to a sweltering maximum of 36°C (97°F), with an average temperature of 18°C (65°F). While July has slightly more days of precipitation at 11, it totals 64 mm (2.5 in) of rainfall along with lower humidity at 76%. For a closer look at what to expect during the summer, you can visit City of London weather in July.
January and August exhibit striking differences in weather conditions. In January, temperatures range from a chilly minimum of -5°C (24°F) to a milder average of 5°C (41°F), with a maximum reaching 14°C (58°F). This month also experiences significant humidity at 91% and receives about 54 mm (2.1 in) of precipitation over approximately 9 days. In contrast, August brings warmer temperatures, with a minimum of 8°C (47°F), an average of 18°C (64°F), and a high of 34°C (94°F). Although August is wetter, with 72 mm (2.8 in) of rain spread across 12 days, the humidity drops to a more comfortable 73%. For more details on the weather in August, visit City of London weather in August.
January and September present stark contrasts in weather. In January, temperatures hover between a chilly -5°C (24°F) at their minimum and a mild 14°C (58°F) at their maximum, with an average of around 5°C (41°F). The month is also characterized by high humidity at 91% and about 54 mm (2.1 in) of precipitation over 9 days. In comparison, September boasts a much warmer climate, with minimum temperatures of 4°C (40°F) and maximums reaching up to 28°C (83°F), averaging at 15°C (60°F). This month sees slightly less precipitation at 45 mm (1.8 in), also spread over 9 days, but with lower humidity at 80%. For more details about September weather, you can visit City of London weather in September.
In January, the weather can be quite chilly, with temperatures ranging from a minimum of -5°C (24°F) to a maximum of 14°C (58°F) and an average of 5°C (41°F). The month sees approximately 54 mm (2.1 in) of precipitation over about 9 days, contributing to a high humidity level of 91%.
In contrast, October experiences milder conditions, with temperatures varying from a minimum of 1°C (34°F) to a comfortable maximum of 23°C (73°F), and an average temperature of 12°C (54°F). Precipitation is higher in October at 81 mm (3.2 in), spread over about 12 days, and humidity remains relatively high at 89%. For more details, you can check City of London weather in October.
In comparing January and November weather, January tends to be colder, featuring average temperatures that range from a low of -5°C (24°F) to a high of 14°C (58°F). In contrast, November experiences milder temperatures, with averages ranging from -2°C (28°F) to 17°C (62°F). Precipitation levels are fairly similar, with January receiving 54 mm (2.1 in) over 9 days and November recording 48 mm (1.9 in) across 10 days. Humidity is slightly higher in January at 91%, compared to November's 92%. For more detailed information about November weather, you can check City of London weather in November.
When comparing the weather between January and December, we find that January tends to be slightly cooler, with a minimum temperature of -5°C (24°F) compared to December's minimum of -4°C (25°F). Both months experience similar maximum temperatures of 14°C (58°F), but January has a lower average temperature at 5°C (41°F), while December averages around 6°C (44°F). Precipitation is notably higher in December at 84 mm (3.3 in) over 14 days, compared to January's 54 mm (2.1 in) over just 9 days. Humidity levels are similar, with January at 91% and December slightly higher at 92%. For more detailed information about December's weather, you can refer to the following link: City of London weather in December.
January in the City of London stands out with its cool temperatures and high humidity, setting it apart from the milder spring and warm summer months. The average chill, combined with periodic rain, paints a picture of a city embracing the winter season. Although it may feel quite stark compared to the lush greenery of later months, this cold and often damp atmosphere can offer a unique charm to London's iconic scenery. As the city prepares to transition into early spring, January serves as a reminder of the seasonal cycle that envelops its historical streets. For a deeper dive into what to expect throughout the year, check out the City of London Climate.