Last updated: March 17, 2025
January in London, United Kingdom, brings a mix of chilly temperatures and frequent rainfall. With daily highs reaching a maximum of 14°C (58°F), the month averages around 5°C (41°F), while nights can dip to a brisk -5°C (24°F). Residents and visitors alike should prepare for approximately 54 mm (2.1 in) of precipitation over about 10 days, contributing to the city's characteristic humidity, which often sits at a damp 91%. This month beckons warm layers and umbrellas, as winter in London unfolds with a unique charm.
In January, London presents a crisp yet surprisingly mild winter experience, with temperatures ranging from a chilling -5°C (24°F) to a relatively warm 14°C (58°F). The average settles around 5°C (41°F), offering a refreshing contrast to the colder extremes. As January transitions into February, the city sees a slight uptick in degrees, hinting at the gradual shift toward spring. Temperatures inch up to an average of 6°C (43°F), with maxima reaching up to 18°C (65°F) by mid-February. This subtle warmth sets the tone for the spring months ahead, evidenced by the steady rise in average temperatures from 7°C (46°F) in March to 10°C (49°F) in April. The pattern reveals that while January holds the winter chill close, it's the catalyst for the budding warmth that characterizes the upcoming months in London.
In January, London experiences a moderate precipitation level of 54 mm (2.1 in), falling over approximately 10 days. This consistent moisture sets the stage for a typical British winter, where rain is more common than snow. Interestingly, January’s rainfall aligns closely with the following months, as both February and March record the same amount of precipitation, indicating a steady winter pattern. As the seasons transition towards spring, April brings a noticeable dip to 33 mm (1.3 in), showcasing a shift as the city begins to dry out slightly. Overall, January's precipitation trends reflect a gradual yet stable winter climate, hinting that Londoners should be prepared for those characteristically drizzly days.
In January, London experiences a high humidity level of 91%, setting the tone for a particularly damp winter month. As the year progresses, a subtle decline in humidity can be observed, with February dropping to 89% and March further decreasing to 86%. This trend continues into spring, where April enjoys a moderate 85%. Interestingly, as London transitions to summer, the humidity sees a notable dip, reaching its lowest point of 71% in July before inching back up to 76% in August. The onset of autumn brings a resurgence of moisture in the air, with September at 82%, and by October, humidity climbs back to 90%. The year wraps up with consistent levels of 92% in both November and December, highlighting the city’s characteristic dampness, particularly in the colder months. Overall, London's humidity exhibits a cycle that reflects the changing seasons, with the highest readings occurring in winter and a refreshing dip during the summer.
In January, London experiences a UV Index of 1, placing it in the low exposure category, where the risk of harm from unprotected sun exposure is minimal. With a burn time of 45 minutes, it's a great month for outdoor activities, but still a good idea to keep skin protected. As the winter months progress into February, the UV Index slightly rises to 2, maintaining the low exposure level, ensuring that residents can still enjoy leisurely time outside without significant risk. This gradual increase sets the stage for a notable shift in the coming months, with March bringing a moderate UV Index of 4, which reduces burn time to just 30 minutes. As spring approaches, the sun becomes more potent, highlighting the importance of adapting skincare routines accordingly. For a comprehensive understanding of the UV landscape throughout the year, check out the detailed information on the London UV Index.
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January in London offers a modest 98 hours of sunshine, setting the stage for a gradual increase as winter transitions into spring. By February, the golden rays begin to stretch, with sunshine hours rising to 148. March continues this upward trend, boasting 210 hours of sunlight, while April and May see a delightful leap to 319 and 398 hours, respectively. The summer months deliver the most bright days, peaking at 404 hours in July. However, as autumn approaches, the sunlight starts to wane, dropping to 368 hours in August and cascading down through the fall months. By the end of the year, November and December bring just 144 and 109 hours of sunshine, reminding Londoners of the city’s seasonal ebb and flow. Overall, the annual pattern showcases a clear trend of increasing daylight from the dreariness of January, culminating in vibrant summer days before gracefully descending back into the cozy embrace of winter.
January in London typically greets residents and visitors with a mere 19% chance of sunny weather, making it one of the cloudiest months of the year. This likelihood of sunshine sets a stark contrast as we move into February, where the chances rise to 25%, hinting at the gradual shift towards more cheerful days. The trend continues upwards in March, reaching 29%, and April blossoms with a significant jump to 49%. This transition showcases not just the end of winter's gloom but also teases the promise of brighter, warmer months ahead. As the year progresses into summer, the chances of sunny skies fluctuate but rarely rival the spring peak, demonstrating just how cherished those sunlit days in London can be.
In London, January brings a mere 8 hours of daylight, setting a tone of cozy winter evenings. As the month progresses into February, daylight begins to gently stretch to 9 hours, hinting at the promise of spring. With March, a significant jump to 11 hours can be seen, invigorating the city with more sunlight each day. April continues this upward trend, offering 13 hours, while May embraces the full bloom of spring with an impressive 15 hours of daylight. This peak reaches its zenith in June and July, where the days bask in a glorious 16 hours of light, perfect for evening strolls along the Thames. However, as summer rolls into August, a gradual decrease begins, marking 14 hours of daylight, which continues to wane through September’s 12 hours and further to October's 10 hours. The cycle then returns to its winter rhythm with November and December offering just 8 and 7 hours respectively, as the city adjusts to shorter days and longer nights. This rhythmic ebb and flow of daylight beautifully encapsulates the seasonal shifts that London experiences throughout the year.
In January, London greets the new year with an average wind speed of 4.2 m/s (9 mph), a characteristic that sets the tone for the month. As winter's chill lingers, this moderate breeze is not a mere whisper; it’s enough to sway the trees and invigorate those braving the outdoors. Looking ahead, February sees a slight uptick in wind, reaching 4.7 m/s (11 mph), suggesting that winter's grip is loosening but still holds a swift edge. Interestingly, as we progress into March, the winds settle back to 4.4 m/s (10 mph), hinting at the transitional dance of the seasons. By April, the breezes soften to 3.5 m/s (8 mph), embodying a refreshing warmth that heralds the arrival of spring. This trend continues, with May returning to 4.2 m/s (9 mph), showcasing the unpredictable nature of London's weather. The winds remain generally mild through the summer months, dipping to as low as 3.1 m/s (7 mph) in June, before gradually building back up in the fall. Overall, January's winds mark the start of London's melodic seasonal shifts, leading into a year defined by its charming and ever-changing breezes.
The weather in 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 London and find detailed weather information for every month.
In comparing the weather between January and February, January experiences slightly lower average temperatures, with a minimum of -5°C (24°F) and an average of 5°C (41°F), while February sees a marginal increase with an average of 6°C (43°F) and a maximum reaching 18°C (65°F). Precipitation levels are quite similar, with January receiving 54 mm (2.1 in) across 10 days and February slightly higher at 53 mm (2.1 in) over 11 days. Humidity remains high in both months, though it is slightly lower in February at 89% compared to January's 91%. For those interested in more detailed insights, you can check out this link: London weather in February.
In January, the weather is colder, with average temperatures hovering around 5°C (41°F) and a maximum of 14°C (58°F). The month is characterized by high humidity at 91% and approximately 54 mm of precipitation over about 10 days. In contrast, March brings a slight warming trend, with average temperatures rising to around 7°C (46°F) and maxima reaching up to 22°C (71°F). Despite having a similar total precipitation of 54 mm, March experiences rainfall on about 13 days, and the humidity drops slightly to 86%. For more detailed insights, you can check London weather in March.
In January, London experiences colder temperatures, with an average of 5°C (41°F) and lows dipping to -5°C (24°F), while the maximum can reach only 14°C (58°F). The month is characterized by high humidity at 91% and tends to be quite wet, recording about 54 mm (2.1 in) of precipitation over 10 days. In contrast, April brings milder weather with an average temperature of 10°C (49°F), where temperatures can range from a minimum of -2°C (29°F) to a pleasant maximum of 26°C (80°F). This month generally sees less rainfall at 33 mm (1.3 in) across 8 days and lower humidity at 85%. For more detailed insights, check out London weather in April.
In January, temperatures in London can drop as low as -5°C (24°F), with an average of 5°C (41°F) and highs reaching 14°C (58°F). The month is characterized by about 54 mm (2.1 in) of precipitation across 10 days and high humidity levels at 91%. In stark contrast, May sees a milder climate, with temperatures starting at a minimum of 1°C (35°F) and soaring to an average of 13°C (55°F) and a maximum of 25°C (78°F). Precipitation increases slightly to 62 mm (2.5 in) over 11 days, while humidity decreases to 79%. For more details about the May weather in London, check London weather in May.
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 of 5°C (41°F). This month experiences significant humidity at 91% and sees about 54 mm (2.1 in) of precipitation over 10 days. In contrast, June offers a much warmer climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 31°C (89°F), averaging 16°C (62°F). Although June has slightly more precipitation at 77 mm (3.0 in), it spreads over just 9 days and features lower humidity at 80%. For a detailed comparison of London's summer climate, you can visit London weather in June.
In January, London's weather is chilly, with temperatures ranging from a minimum of -5°C (24°F) to an average of 5°C (41°F) and a maximum of 14°C (58°F). The month experiences significant humidity at 91% and sees around 54 mm (2.1 in) of precipitation over approximately 10 days. In contrast, July brings a much warmer climate, featuring temperatures that vary from a minimum of 9°C (49°F) to an average of 18°C (65°F) and soaring up to a maximum of 36°C (96°F). Although July has slightly more precipitation at 64 mm (2.5 in) over 11 days, the humidity drops to a more comfortable 71%. For more detailed information, check out London weather in July.
January and August present starkly contrasting weather conditions. In January, temperatures typically range from a chilly -5°C (24°F) to a mild 14°C (58°F), with an average of 5°C (41°F). The month is characterized by high humidity at 91% and around 54 mm (2.1 in) of precipitation spread over 10 days. In contrast, August offers a much warmer experience, with temperatures ranging from a comfortable 8°C (47°F) to a scorching 34°C (93°F), averaging 18°C (64°F). Although it sees slightly more precipitation at 70 mm (2.7 in) over 12 days, the humidity drops to 76%. For more details on the August weather, check out London weather in August.
January in London is characterized by its chilly temperatures, with minimums dipping to -5°C (24°F) and an average of around 5°C (41°F). In contrast, September sees a significant warming trend, starting with a minimum of 4°C (39°F) and averaging 15°C (59°F), peaking at a comfortable 28°C (83°F). While both months experience precipitation over about 10 days, January's rainfall is slightly higher at 54 mm (2.1 in), compared to September's 45 mm (1.8 in). Additionally, January's humidity levels are higher at 91%, whereas September offers more moderate humidity at 82%. For more insights on September weather in London, you can check London weather in September.
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 of 5°C (41°F). The month typically sees about 54 mm (2.1 in) of precipitation spread over 10 days, along with a high humidity level of 91%. In contrast, October brings milder temperatures, with a minimum of 1°C (34°F), an average of 12°C (54°F), and a maximum of 22°C (73°F). Rainfall is slightly higher at 84 mm (3.3 in), occurring on 12 days, while humidity remains similar at 90%. For more detailed information, check out London weather in October.
In comparing January and November weather, January typically experiences colder temperatures, with a minimum of -5°C (24°F) and an average of 5°C (41°F), while November sees milder conditions, with a minimum of -2°C (29°F) and an average of 8°C (47°F). Both months have similar levels of precipitation, with January receiving 54 mm (2.1 in) over 10 days and November slightly less at 52 mm (2.0 in) over 11 days. Humidity levels are nearly equivalent, with January at 91% and November at 92%, making November feel somewhat more comfortable despite its slightly higher humidity. For more detailed insights, you can check London weather in November.
In comparing January and December weather, we see that temperatures in both months are quite similar, with December averaging slightly warmer at 6°C (44°F) compared to January's 5°C (41°F). January experiences a minimum temperature of -5°C (24°F), which is only marginally colder than December’s low of -4°C (24°F). However, December typically sees more precipitation, with 84 mm (3.3 in) over 13 days, while January has 54 mm (2.1 in) across 10 days. Humidity levels are also comparable, with January at 91% and December slightly higher at 92%. For a more detailed overview, you can explore London weather in December.
January in London presents a unique climate experience, standing out from the milder months. With its chillier temperatures averaging around 5°C (41°F), this month often feels more brisk, demanding cozy layers for outdoor adventures. The 91% humidity adds a distinct moisture to the air, making it feel even colder, especially during the 10 days of recorded precipitation. Unlike the drier and warmer spring and summer months, January showcases a colder, wetter season, perfect for embracing the cozy charm of London’s indoor attractions. For those curious to explore more about the overall climate patterns, don't miss out on our detailed page on London Climate.