Last updated: March 17, 2025
March in London, United Kingdom, is a month of transformative weather, where winter gradually yields to spring. This time of year sees maximum temperatures reaching 22°C (71°F), offering a glimpse of warmth amidst an average chill of 7°C (46°F). However, nights can still dip to a brisk -5°C (23°F). With 54 mm (2.1 in) of precipitation spread over 13 days, the city experiences a mix of drizzly spells and occasional sunny breaks. The air is characterized by high humidity levels at 86%, creating an invigorating yet often damp atmosphere. Whether basking in fleeting sunshine or navigating through rain, March in London invites both locals and visitors to embrace the unique charm of the transitioning season.
As March arrives in London, the city begins to shed the chill of winter, presenting a refreshing transition towards spring. Temperatures range from a brisk minimum of -5°C (23°F) to a pleasant maximum of 22°C (71°F), showcasing a notable increase in warmth. The average temperature rises to 7°C (46°F), which hints at the coming days of milder weather. This month serves as a pivotal turning point, with longer daylight hours and an emerging vibrancy in parks and streets, as Londoners eagerly embrace the promise of a warmer season ahead. The gradual shift from frosty lows to the brighter highs encourages a lively atmosphere, inspiring both locals and visitors to venture outdoors and enjoy the blooming beauty of the city.
In March, London experiences a precipitation of 54 mm (2.1 in), maintaining a steady trend seen since the beginning of the year. With 13 days of rain, the month marks a slight uptick in wet days compared to February's 11 days, hinting at the shift towards spring weather. This consistency in rainfall not only underscores London’s reputation for variable weather but also prepares the city for the lush blooms of April, which sees a notable drop in precipitation to 33 mm (1.3 in). As spring approaches, the gradual transition continues, setting the stage for the increased warmth and activity that April and May bring. Thus, March serves as a reliable bridge between the chill of winter and the brightness of spring.
March marks a subtle shift in humidity levels in London, as the average humidity dips to 86%, down from the higher figures of January (91%) and February (89%). This gradual decline heralds the arrival of spring, indicating a transition towards drier conditions, as humidity continues to decrease into April, reaching 85%. While the air remains relatively moist compared to the warmer months ahead, this slight reduction is a refreshing change, hinting at clearer skies and blossoming blooms. As the city moves towards late spring and early summer, the trend indicates a steady decrease, with May bringing a more comfortable 79%, paving the way for a brighter, vibrant London.
As March unfolds in London, the UV Index rises to 4, moving into the moderate exposure category. This shift indicates that sun safety becomes increasingly important as burn time decreases to just 30 minutes. Compared to the earlier months of the year, where the UV Index hovered between 1 and 2, March signals the start of brighter days ahead. Following this trend, the UV Index will continue to rise in April, reaching 5, and then peak in the summer months. With spring on the horizon, it’s a great time to enjoy the outdoors while being mindful of sun exposure. For detailed UV index forecasts throughout the year, check out the London UV Index.
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As winter fades, March ushers in a significant increase in sunshine for Londoners, boasting 210 hours of sunlight—the highest for any month so far this year. This marks a delightful jump from 148 hours in February, signaling a clear trend toward brighter days as spring approaches. The gradual rise in sunlight continues through to April, when hours soar to 319, and culminate in May with an impressive 398 hours. This upward trajectory not only invigorates the atmosphere but also hints at the longer, sunnier days that lie ahead, inviting Londoners to embrace the beauty of the season.
As spring begins to blossom in London, March offers a noticeable increase in the likelihood of sunny weather, with a 29% chance of sunshine. This improvement marks a significant shift from the dreary days of winter; January and February see merely 19% and 25% chances, respectively. Following March, the sun's presence becomes even more prominent in April, with a striking 49% likelihood, underscoring a clear upward trend as the city emerges from the colder months. While May and June experience fluctuations, with 33% and 28% chances of sunshine, March stands out as a pivotal month, hinting at the warmer days to come.
As March unfolds in London, daylight begins to transform the city's landscape, marking a shift toward the sunnier months ahead. After the short, overcast days of winter, London basks in 11 hours of daylight by mid-March, a notable increase from February's 9 hours. This gradual extension of daylight serves as a herald for the upcoming spring, invigorating both the city and its residents. The transition reaches its crescendo in April, when daylight stretches to 13 hours, showing an ongoing trend of increasing brightness that persists through the summer months. This return of warmth and light not only enhances outdoor activities but also uplifts the city's mood, signifying the joyous anticipation of longer, sun-soaked days ahead.
March in London experiences an average wind speed of 4.4 m/s (10 mph), marking a slight dip from the brisker days of February. This transitional month heralds the end of winter, with winds becoming progressively milder as spring approaches. Interestingly, the wind speed is notably higher compared to the calmer conditions seen in April and the following months. As the year unfolds, a trend emerges: wind speeds tend to fluctuate but consistently hover around the 3 to 4 m/s mark, suggesting a pattern of gentle breezes that accompany London’s ever-changing seasonality. Thus, March provides a refreshing prelude to the more tranquil months ahead, where the city’s iconic charm is enhanced by these lively gusts.
The weather in London changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of March'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.
When comparing the weather in March and January, it is evident that March tends to be milder overall. Both months share the same minimum temperature of -5°C (23°F), but in March, the average temperature rises to 7°C (46°F) compared to January's average of 5°C (41°F). Additionally, March experiences a higher maximum temperature of 22°C (71°F), while January peaks at 14°C (58°F).
Precipitation levels remain consistent, with both months recording 54 mm (2.1 in); however, March sees rainfall over 13 days, slightly more than January's 10 days. Humidity levels are also higher in January at 91%, compared to March's 86%. For more detailed information on January weather in London, you can refer to this link: London weather in January.
In comparing the weather between February and March, both months experience similar low temperatures, with February recording a minimum of -5°C (23°F) and March remaining at the same low. However, March sees a slight rise in average temperatures, reaching 7°C (46°F), compared to February's average of 6°C (43°F). The maximum temperature in March also exceeds that of February, peaking at 22°C (71°F) versus February's 18°C (65°F). Precipitation levels remain comparable, with March seeing 54 mm (2.1 in) over 13 days and February slightly lower at 53 mm (2.1 in) over 11 days. Humidity is slightly higher in February at 89%, compared to March's 86%. For more information, check out London weather in February.
March and April exhibit notable differences in weather patterns. In March, temperatures can drop to a chilly minimum of -5°C (23°F) and rise to a maximum of 22°C (71°F), with an average temperature of 7°C (46°F). The month is relatively wet, experiencing precipitation on 13 days and accumulating 54 mm (2.1 in) of rainfall, paired with a humidity level of 86%. In contrast, April brings milder temperatures, with minimums of -2°C (29°F) and maximums reaching 26°C (80°F), leading to an average of 10°C (49°F). This month sees less rainfall, totaling 33 mm (1.3 in) over just 8 days, and slightly lower humidity at 85%. To explore more about the weather in April, visit London weather in April.
In comparing the weather between March and May, March is characterized by colder temperatures, with a minimum of -5°C (23°F) and an average of 7°C (46°F), while May offers more moderate warmth, with a minimum of 1°C (35°F) and an average of 13°C (55°F). The maximum temperatures also reflect this shift, climbing from 22°C (71°F) in March to 25°C (78°F) in May. Although both months experience precipitation, March sees a total of 54 mm (2.1 in) over 13 days, while May has slightly higher precipitation of 62 mm (2.5 in) over just 11 days. Humidity levels decrease from 86% in March to 79% in May, suggesting a more comfortable atmosphere as spring progresses. For a detailed look at the weather patterns, you can visit London weather in May.
March and June exhibit contrasting weather patterns, reflecting the transition from late winter to early summer. In March, temperatures range from a chilly minimum of -5°C (23°F) to a mild maximum of 22°C (71°F), with an average of 7°C (46°F). The month sees significant precipitation, totaling 54 mm (2.1 in) over 13 days, and high humidity at 86%. In comparison, June boasts warmer temperatures, with a minimum of 7°C (45°F) and a maximum of 31°C (89°F), leading to a pleasant average of 16°C (62°F). Despite slightly increased rainfall of 77 mm (3.0 in) over just 9 days, June maintains a somewhat lower humidity level at 80%. For more insights on June weather, check out London weather in June.
In March, temperatures in London can range from a chilly -5°C (23°F) to a mild 22°C (71°F), with an average temperature of about 7°C (46°F). This month experiences a considerable amount of precipitation, totaling around 54 mm (2.1 in) over approximately 13 days, alongside high humidity at 86%. In contrast, July offers a much warmer climate, with temperatures ranging from a minimum of 9°C (49°F) to a scorching maximum of 36°C (96°F), and an average of 18°C (65°F). Although July sees slightly higher total precipitation at 64 mm (2.5 in), it occurs over fewer days (11), and the humidity drops to a more comfortable 71%. For a more detailed look at July's weather, check London weather in July.
In comparing the weather between March and August, March tends to be cooler, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 22°C (71°F), while August showcases a much warmer climate, with temperatures starting at 8°C (47°F) and reaching as high as 34°C (93°F). Precipitation is relatively consistent, with March receiving about 54 mm (2.1 in) over 13 days, and August experiencing slightly more rain at 70 mm (2.7 in) over 12 days. Additionally, March has a higher humidity level at 86%, compared to August's more comfortable 76%. For more specifics on August weather, you can refer to London weather in August.
March and September exhibit noticeable differences in weather patterns. In March, temperatures can dip as low as -5°C (23°F) and reach an average of 7°C (46°F), while September enjoys a milder climate with minimum temperatures of 4°C (39°F) and an average of 15°C (59°F). The maximum temperature in March peaks at 22°C (71°F), whereas September can warm up to 28°C (83°F). Precipitation in March totals 54 mm (2.1 inches) over 13 days, slightly higher than September, which sees 45 mm (1.8 inches) over 10 days. Additionally, March has a higher humidity level at 86%, compared to September's 82%. For more detailed insights, check out London weather in September.
March and October present distinct weather patterns, with notable differences in temperature and precipitation. In March, temperatures range from a minimum of -5°C (23°F) to a maximum of 22°C (71°F), with an average of 7°C (46°F). The month sees about 54 mm (2.1 in) of rainfall over 13 days, and the humidity is relatively high at 86%. In contrast, October experiences milder conditions, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 22°C (73°F) and an average of 12°C (54°F). With higher precipitation levels of 84 mm (3.3 in) over 12 days and slightly increased humidity of 90%, October's weather can feel quite damp. For a detailed look at what to expect, check out London weather in October.
March and November exhibit distinct weather patterns, each with its own charm. In March, temperatures range from a chilly -5°C (23°F) to a pleasant 22°C (71°F), with an average of 7°C (46°F), while November is milder, with a minimum of -2°C (29°F) and a maximum of 16°C (62°F), averaging 8°C (47°F). Both months experience similar levels of precipitation, with March receiving 54 mm (2.1 in) over 13 days and November slightly less at 52 mm (2.0 in) across 11 days. Interestingly, November tends to be slightly more humid at 92%, compared to March’s 86%. For more detailed insights, check out London weather in November.
When comparing the weather in March and December, both months experience chilly temperatures, but March tends to be slightly warmer. In March, temperatures range from a minimum of -5°C (23°F) to a maximum of 22°C (71°F) with an average of 7°C (46°F). In contrast, December sees a slightly narrower temperature range, with a minimum of -4°C (24°F) and a maximum of 14°C (58°F), averaging 6°C (44°F).
Additionally, December tends to be wetter, with precipitation at 84 mm (3.3 in) compared to March's 54 mm (2.1 in), although both months feature precipitation on approximately 13 days. Humidity levels are also higher in December at 92% versus 86% in March. For more detailed weather insights, you can visit London weather in December.
As March unfolds in London, the weather contrasts sharply with the milder days of late winter and the burgeoning warmth of spring. While temperatures begin to rise, reaching a maximum of 22°C on rare sunny days, the average remains a cool 7°C, reminding us that winter hasn’t completely relinquished its grip. The month is characterized by frequent rainfall, with about 13 days witnessing precipitation, contributing to a high humidity level of 86%. This combination creates a unique atmosphere in which the city begins to awaken but remains draped in the unpredictability typical of early spring. For an in-depth look at how March weather fits into the broader London Climate, explore the detailed insights available.