March Weather in City of London, United Kingdom

Last updated: March 17, 2025

March in the City of London presents a dynamic climate as winter begins its retreat, revealing a spectrum of temperatures. The maximum highs reach up to 22°C (72°F), while the average temperature hovers around 8°C (46°F). However, chilly nights can dip to a brisk -5°C (23°F). Rainfall is a common companion, with 52 mm (2.1 in) accumulating over approximately 13 days, contributing to the city’s lush spring awakening. Coupled with a high humidity level of 86%, these conditions create a vivid backdrop for both locals and visitors to explore the beauty of London as it transitions into warmer months.

March Temperature in City of London

March in the City of London marks a transitional period as winter yields to spring, with temperatures gradually rising. The month begins with a brisk chill, with minimums around -5°C (23°F), but as the days progress, the average climbs to 8°C (46°F), providing a hint of warmth. March showcases a notable increase in maximum temperatures, peaking at a pleasant 22°C (72°F), an inviting change compared to the preceding months. This shift not only encourages residents and visitors to enjoy the blooming parks but also indicates a promising start to the warmer seasons ahead. As daylight hours extend, March becomes a vibrant month, hinting at the lively spring atmosphere that London is famous for.

March Weather in City of London: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in City of London, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414346495562656459544643
Data source: Temperature data for City of London generated using information from the Copernicus Climate Change Service.
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The average of daily temperatures (24 hours) calculated across all days in the month.

March Precipitation in City of London

In March, the City of London experiences consistent precipitation with an average of 52 mm (2.1 in) over 13 days. This month mirrors February’s rainfall but stands out due to an increase in rainy days, suggesting a shift towards wetter weather as spring approaches. The pattern of precipitation begins to hint at the more abundant showers expected in April and May, culminating in the heavy rains of summer. Overall, March serves as a transitional period, bridging the winter’s dampness and the upcoming spring vitality, making it a pivotal month in London's annual weather narrative.

March Precipitation Trends in City of London

The chart displays monthly precipitation patterns in City of London, with values for each month alongside March's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how March's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec545253326377647245814884
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in City of London

March in the City of London, United Kingdom, experiences a decline in humidity, averaging 86%. This marks a gradual decrease from the highs of January and February, which saw levels close to 91% and 89%, respectively. As spring approaches, the humidity continues to lower, paving the way for drier conditions in the subsequent months of April and May, where levels drop further to 85% and 82%. This trend reflects the shifting climate, as the city transitions from the dampness of winter towards the milder and more comfortable spring weather. Overall, March serves as a pivotal month, setting the tone for the warmer, more pleasant months ahead.

March Average Humidity in City of London

This chart illustrates the average monthly humidity levels in City of London, with March's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how March's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%82%81%76%73%80%89%92%92%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in City of London

As March arrives in the City of London, the UV Index experiences a notable increase, reaching 4 on the scale, which indicates a moderate risk of harm from unprotected sun exposure. This marks a shift from the previous two months when the Index was low, with a burn time of 45 minutes. Now, residents and visitors alike should be aware that the 30-minute burn time suggests more caution is needed. As the days grow longer and sunnier, it's essential to start taking protective measures, especially since this trend continues into April with a slight rise to 5. For detailed information and to stay updated, check out the City of London UV Index.

Maximum UV Index Levels in City of London for March

The chart shows the monthly maximum UV Index (UVI) for City of London in March, 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578876421
Data source: City of London March 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.

March Sunshine in City of London

As March arrives in the City of London, the arrival of spring is marked not only by the blossoming flowers but also by a significant increase in sunshine, boasting 211 hours this month. This is a remarkable leap from the 146 hours seen in February, indicating a welcome shift towards brighter days. The gradual upward trend is set to continue, with April and May promising even more sun, peaking at 398 hours. This consistent rise in daylight not only enhances the city's vibrant atmosphere but also invites Londoners to spend more time outdoors, embracing the rejuvenating energy of the season.

Monthly Sunshine Duration in City of London: March Highlighted

The March sunshine duration represents the total number of hours City of London experiences direct sunlight during the month of March, excluding cloudy or obstructed periods. This chart compares the sunshine duration of March with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec95h146h211h319h398h393h405h372h300h240h142h106h
Data source: City of London March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in City of London During March

As March rolls in, the City of London begins to shake off the winter gloom, with a 29% chance of sunny weather that marks a noticeable increase from the earlier months. This uptick from January's mere 19% and February's 25% hints at the arrival of spring, where the likelihood of sunshine starts to brighten the city's charm. While still lower than April's 49%, March presents a promising shift, bridging the transition from the cold winter months to the warmer, sunnier days ahead. With the sun's confidence slowly building, residents can look forward to more moments of brightness as the season progresses.

Percentage of Sunny Days in March in City of London

The chart illustrates the percentage of sunny days in City of London throughout the year, with March 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 City of London experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%25%29%49%34%29%39%26%29%25%32%17%
Data source: City of London March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in City of London in March

As March unfolds in the City of London, the days gradually lengthen, offering a delightful increase in daylight to an average of 11 hours. This marks a significant shift from the 9 hours found in February, signaling the approach of spring and the uplifting change in atmosphere. Following the winter months, where daylight dips to as little as 8 hours in January, March ushers in a brighter, more vibrant environment, paving the way for April's impressive 13 hours of daylight. The trend clearly reveals a steady escalation in daylight hours as the year progresses, with spring leading to longer days, culminating in the sunny heights of 16 hours during the peak summer months of June and July. This rhythmic dance of daylight not only enhances daily life but also invigorates the spirit, making London a captivating place to be during this transitional season.

Average Daylight Hours in City of London for March

The chart illustrates the variation in daylight duration in City of London throughout the year, with March highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 23m9h 58m11h 55m13h 54m15h 38m16h 33m16h 4m14h 30m12h 35m10h 36m8h 49m7h 53m
Data source: City of London daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in City of London

In March, the winds in the City of London average around 4.4 m/s (10 mph), maintaining a lively breeze that feels reminiscent of the chill from the preceding months. While January and February showcase even stronger gusts, March marks a subtle dip, indicating the city's transition into spring. As the temperatures begin to rise, the wind speed remains relatively brisk compared to the upcoming warmer months; for instance, April sees a further reduction to 3.4 m/s (8 mph). This pattern highlights March as a month of change—caught between the lingering winter and the fresh beginnings of spring, offering both a refreshing energy and a hint of the calmer days ahead.

Average March Wind Speed in City of London

The chart displays monthly wind speed patterns in City of London, with values for each month shown alongside March's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how March's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.14.64.4 m/s3.44.23.03.33.83.24.33.74.3
Data source: City of London March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in City of London Compares to Other Months

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 March'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.

In comparing the weather of March and January, we see notable differences in temperatures and conditions. March has a wider temperature range, with averages around 8°C (46°F), and a high of 22°C (72°F), indicating a transition towards warmer spring weather. In contrast, January remains cooler, with an average of 5°C (41°F) and a maximum of only 14°C (58°F). Both months experience similar levels of precipitation, with March receiving 52 mm (2.1 in) over 13 days and January slightly more at 54 mm (2.1 in) across 9 days. Additionally, March has slightly lower humidity at 86% compared to January's 91%. For a more detailed look at January's weather, you can visit City of London weather in January.

March generally exhibits a milder climate compared to February, with average temperatures rising to 8°C (46°F) from February's 6°C (43°F). While both months experience similar precipitation levels—52 mm (2.1 in) in March and 52 mm (2.0 in) in February—March sees slightly more rainy days, totaling 13 compared to February's 11. Additionally, humidity levels decrease slightly from 89% in February to 86% in March, contributing to a more comfortable feel as the month progresses. For further details, visit City of London weather in February.

When comparing the weather in March and April, it's clear that April typically offers slightly milder temperatures, with average highs rising from 22°C (72°F) in March to 26°C (80°F) in April. While both months experience chilly minimum temperatures, March sees lows around -5°C (23°F), compared to April's minimum of -2°C (29°F). Precipitation also decreases in April, with only 32 mm (1.3 in) falling over about 7 days, unlike March, which has 52 mm (2.1 in) across 13 days. Humidity remains relatively stable, with March at 86% and April at 85%. For more detailed information on conditions, you can check City of London weather in April.

March weather is characterized by a wider temperature range, with temperatures dipping as low as -5°C (23°F) and occasionally reaching up to 22°C (72°F). This month experiences higher humidity levels at 86% and a moderate amount of precipitation, averaging 52 mm (2.1 in) over 13 days. In contrast, May brings milder conditions, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 25°C (78°F) and an average of 13°C (55°F). Although May sees slightly increased rainfall at 63 mm (2.5 in) across 10 days, the humidity is lower at 82%. Overall, May tends to be warmer and slightly drier compared to the chillier and wetter March. For more details, check out City of London weather in May.

In March, the weather typically sees a wide range of temperatures, with a minimum of -5°C (23°F) and a maximum of 22°C (72°F), averaging around 8°C (46°F). The month experiences considerable precipitation, with around 52 mm (2.1 in) over 13 days, and humidity levels are quite high at 86%. In contrast, June presents a much warmer climate, with temperatures ranging from a minimum of 7°C (45°F) to a maximum of 32°C (89°F), averaging 17°C (62°F). Although June has more total precipitation at 77 mm (3.0 in), it falls over fewer days, just 8, and the humidity is slightly lower at 81%. For a more detailed look at June's weather patterns in London, you can refer to the City of London weather in June.

In March, temperatures in London range from a chilly -5°C (23°F) at night to a pleasant 22°C (72°F) during the day, with an average of 8°C (46°F). The month experiences a fair amount of moisture, with 52 mm (2.1 in) of precipitation over 13 days and high humidity at 86%. In contrast, July brings significantly warmer weather, with temperatures ranging from a minimum of 9°C (49°F) to a scorching maximum of 36°C (97°F), resulting in an average temperature of 18°C (65°F). Although July experiences slightly more precipitation at 64 mm (2.5 in) across 11 days, the overall humidity drops to 76%. For more detailed weather patterns, you can refer to City of London weather in July.

March and August present notably different weather patterns. In March, temperatures can drop to a chilly minimum of -5°C (23°F) and reach a pleasant maximum of 22°C (72°F) with an average of 8°C (46°F). The month also experiences significant humidity at 86% and sees about 52 mm (2.1 in) of precipitation over 13 days. In contrast, August enjoys milder conditions with minimum temperatures of 8°C (47°F) and a much warmer average of 18°C (64°F), peaking at 34°C (94°F). Although it receives more precipitation at 72 mm (2.8 in) over 12 days, the humidity is lower at 73%. For a more detailed look at the weather in August, check out City of London weather in August.

March and September present contrasting weather patterns, reflecting the transition between winter and autumn. In March, temperatures can dip as low as -5°C (23°F), with an average of 8°C (46°F) and a maximum reaching up to 22°C (72°F). This month also experiences high humidity at 86% and considerable precipitation, amounting to 52 mm (2.1 in) over 13 days. In contrast, September offers milder conditions, with a minimum temperature of 4°C (40°F), an average of 15°C (60°F), and maxima hitting 28°C (83°F). This month is characterized by slightly lower humidity at 80% and less rainfall, totaling 45 mm (1.8 in) over 9 days. For more details on September weather, you can visit City of London weather in September.

March and October exhibit distinct weather characteristics that reflect the transition between winter and autumn. In March, temperatures can range from a chilly -5°C (23°F) at night to a pleasant 22°C (72°F) during the day, with an average of 8°C (46°F). The month sees approximately 52 mm (2.1 in) of precipitation over 13 days, accompanied by a high humidity level of 86%.

In contrast, October experiences milder nights with a minimum temperature of 1°C (34°F) and daytime highs reaching up to 23°C (73°F), averaging around 12°C (54°F). Rainfall increases to 81 mm (3.2 in) across 12 days, with slightly higher humidity at 89%. For more details on October weather, you can visit City of London weather in October.

March and November offer distinct weather experiences that reflect the transition of seasons. In March, temperatures can range from a chilly -5°C (23°F) to a pleasant max of 22°C (72°F), with an average of 8°C (46°F). The month sees about 52 mm (2.1 in) of precipitation across 13 days, and humidity levels hover around 86%. In contrast, November presents a milder temperature range, featuring minimums of -2°C (28°F) and maximums of 17°C (62°F), with a similar average of 8°C (47°F). Precipitation slightly decreases to 48 mm (1.9 in) over 10 days, albeit with higher humidity at 92%. For a closer look at November weather specifics, visit City of London weather in November.

March and December offer distinct weather contrasts as winter transitions into spring. In March, temperatures range from a chilly minimum of -5°C (23°F) to a warmer maximum of 22°C (72°F), with an average temperature of 8°C (46°F). The month sees around 52 mm (2.1 in) of precipitation over approximately 13 days, along with a relative humidity of 86%. In contrast, December experiences milder temperatures, with minimums around -4°C (25°F) and maximums reaching 14°C (58°F), averaging 6°C (44°F). This month is wetter, with about 84 mm (3.3 in) of precipitation across 14 days and even higher humidity at 92%. For more detailed insights, visit City of London weather in December.

Compare City of London's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in City of London

March in the City of London marks a transition to spring, boasting a notable shift from the colder winter months. With temperatures reaching a maximum of 22°C (72°F), the average climbs to a more comfortable 8°C (46°F), presenting a refreshing change. However, the chill can still bite, as minimum temperatures occasionally dip to -5°C (23°F). Precipitation is relatively moderate this month, with 52 mm spread over 13 days, contributing to a high humidity level of 86%. This mixture of mild warmth and occasional rain sets March apart, hinting at the burgeoning vitality of spring while still reminding us that winter's grasp hasn't fully loosened. For more detailed insights into the weather patterns throughout the year, visit City of London Climate.