March Weather in Hounslow, United Kingdom

Last updated: March 17, 2025

March in Hounslow, United Kingdom, is a month of transition, where winter gradually gives way to spring. With maximum temperatures reaching 22°C (71°F) and an average of 7°C (46°F), the weather can be quite dynamic, occasionally dipping to a brisk minimum of -5°C (23°F). Rain is a regular visitor, contributing to a precipitation total of 54 mm (2.1 in) over 13 rainy days, which adds a touch of freshness to the air. The humidity averages a notable 86%, creating a somewhat damp atmosphere that underscores the charm of early spring in this bustling London borough. Expect a mix of sunny spells and showers as nature awakens, making March a fascinating time to experience Hounslow's evolving landscape.

March Temperature in Hounslow

March in Hounslow, United Kingdom, marks a transition from the biting cold of winter to the budding warmth of spring. With temperatures starting at a minimum of -5°C (23°F), the average climbs to around 7°C (46°F), while daytime highs can reach a pleasant 22°C (71°F). This upward trend from the preceding months highlights the gradual warming trend that characterizes March. As the days lengthen and the chill begins to fade, inhabitants can feel the excitement of blooming nature and longer, sunnier days ahead, creating an inviting atmosphere for outdoor activities and exploration.

March Weather in Hounslow: Daily Temperature Highs, Lows, and Averages

The chart illustrates March temperature patterns in Hounslow, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414345495562656459534643
Data source: Temperature data for Hounslow 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 Hounslow

In March, Hounslow experiences a notable transition in weather, with precipitation measured at 54 mm (2.1 in), mirroring the consistent rainfall of January and February. While the amount remains steady, the number of rainy days increases slightly to 13, suggesting a shift towards a more damp and unpredictable climate as spring approaches. This early spring rain contributes to the vibrant growth of flora, perfectly setting the stage for the blooming season ahead. As Hounslow heads into April, precipitation dips to 33 mm (1.3 in) over just 8 days, hinting at a gradual shift to drier conditions with the promise of sunnier skies.

March Precipitation Trends in Hounslow

The chart displays monthly precipitation patterns in Hounslow, 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.
JanFebMarAprMayJunJulAugSepOctNovDec545354336277647045845284
Data source: Precipitation data for March generated using information from the Copernicus Climate Change Service.
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March Humidity in Hounslow

In March, the humidity in Hounslow, United Kingdom, settles at a comfortable 86%, reflecting a gradual decline from the winter months. This marks a slight decrease from February's 89%, signaling the transition into spring. As the season progresses, humidity continues to decrease, reaching 85% in April and further dropping to 79% by May. This trend of declining humidity not only enhances the charm of Hounslow's blooming landscapes but also indicates a welcome shift towards more moderate weather, making it an ideal time for outdoor activities. The fluctuation underscores a dynamic climate, with the winter months boasting humidity levels as high as 91% in January and 92% in November, before it gradually eases into the warmer, drier months of summer.

March Average Humidity in Hounslow

This chart illustrates the average monthly humidity levels in Hounslow, 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%79%81%71%76%82%91%92%92%
Data source: Humidity data for March generated using information from the Copernicus Climate Change Service.

March UV Index in Hounslow

In March, Hounslow experiences a noticeable rise in the UV Index, reaching a level of 4, which marks a shift to a moderate exposure category. This increase signifies a shorter burn time of just 30 minutes, urging residents to take precautions against sun exposure as winter fades. Compared to the previous months, where the UV Index hovered around 1 to 2, March's levels highlight a trend towards sunnier days as spring approaches. This upward trajectory continues into April with a UV Index of 5, reinforcing the importance of sun safety as we transition into warmer months. For more detailed insights on UV exposure, you can check out the Hounslow UV Index.

Maximum UV Index Levels in Hounslow for March

The chart shows the monthly maximum UV Index (UVI) for Hounslow 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: Hounslow 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 Hounslow

March in Hounslow marks a delightful turning point in the seasonal transition, with an impressive 210 hours of sunshine, significantly up from January's 98 hours and February's 148 hours. This substantial increase heralds the arrival of spring, inviting residents to bask in the growing daylight. As the months progress, the sunshine only intensifies, peaking in July with a remarkable 404 hours. The gradual rise in daylight not only enhances outdoor activities but also uplifts the spirits, setting a warm tone that carries through to the longer days of summer. With each passing month from March to July, the sunlight transforms Hounslow, creating a vibrant atmosphere that encourages exploration and connection with nature.

Monthly Sunshine Duration in Hounslow: March Highlighted

The March sunshine duration represents the total number of hours Hounslow 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.
JanFebMarAprMayJunJulAugSepOctNovDec98h148h210h319h398h389h404h368h300h241h144h109h
Data source: Hounslow March Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hounslow During March

As winter begins to fade, March in Hounslow heralds a noticeable shift towards brighter skies, with the likelihood of sunny weather rising to 29%. This increase not only marks a departure from the lower percentages seen in January and February but also sets the stage for the more promising weather patterns of spring. In fact, March is a transitional month, bridging the chill of winter and the warmth of April, which boasts an impressive 49% chance of sunshine. This trend suggests a burgeoning anticipation for longer, sunnier days ahead, making March an exciting time for those looking to embrace the outdoors as the seasons change.

Percentage of Sunny Days in March in Hounslow

The chart illustrates the percentage of sunny days in Hounslow 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 Hounslow experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec19%25%29%49%33%28%38%25%29%25%32%17%
Data source: Hounslow March chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hounslow in March

As March arrives in Hounslow, the days begin to stretch with an impressive 11 hours of daylight, marking a significant increase from February's 9 hours. This shift signals the gradual onset of spring, where the lengths of days continue to lengthen, peaking in June with 16 hours of bright sunlight. The trend illustrates a vibrant transition from the winter months, where daylight was scarce at just 8 hours in January, to the promise of longer, sunnier days ahead. As the seasons progress into April and May, residents can look forward to even more daylight, creating opportunities for outdoor activities and a fresh appreciation of the natural world.

Average Daylight Hours in Hounslow for March

The chart illustrates the variation in daylight duration in Hounslow 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 32m16h 3m14h 30m12h 35m10h 36m8h 50m7h 53m
Data source: Hounslow daylight hours, calculated by summing the hours between sunrise and sunset for each day.

March Winds in Hounslow

March in Hounslow brings a refreshing breath of air, with an average wind speed of 4.4 m/s (10 mph), slightly lower than the higher gusts of February. As winter transitions to spring, the winds soften, yet they retain a lively spirit, hinting at the rejuvenation of the season. This month’s gentle breezes suggest a delightful blend of invigorating yet comfortable conditions, setting the stage for April’s even calmer winds at 3.5 m/s (8 mph). Overall, March showcases a delicate balance, where the lingering winter chill meets the hopeful warmth of spring, inviting residents to embrace the outdoors and the unfolding beauty of nature.

Average March Wind Speed in Hounslow

The chart displays monthly wind speed patterns in Hounslow, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.74.4 m/s3.54.23.13.33.83.34.43.84.4
Data source: Hounslow March wind data, generated using information from the Copernicus Climate Change Service.

How March Weather in Hounslow Compares to Other Months

The weather in Hounslow 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 Hounslow and find detailed weather information for every month.

The weather in March contrasts notably with January, despite similar minimum temperatures, with January reporting a minimum of -5°C (24°F) and March at -5°C (23°F). March boasts a higher average temperature of 7°C (46°F) compared to January's 5°C (41°F), and it can reach a maximum of 22°C (71°F), significantly warmer than January's maximum of 14°C (58°F). Both months receive the same total precipitation of 54 mm (2.1 in), but March experiences slightly more wet days at 13 compared to January's 10. Humidity levels are also notable, with January slightly higher at 91%, while March stands at 86%. For a detailed look at January weather, check Hounslow weather in January.

In comparing the weather between February and March, we can observe a slight increase in average temperatures from February's average of 6°C (43°F) to March's 7°C (46°F). Both months experienced similarly chilly minimum temperatures of -5°C (23°F), while March reached a higher maximum of 22°C (71°F) compared to February's 18°C (65°F). Precipitation levels remained quite consistent, with March recording 54 mm (2.1 in) over 13 days, slightly more than February's 53 mm (2.1 in) over 11 days. Humidity decreased slightly from February's 89% to March's 86%, indicating a marginally drier atmosphere. For a detailed look at February's weather, you can visit Hounslow weather in February.

March and April exhibit notable differences in weather patterns. While March experiences a wide temperature range with a minimum of -5°C (23°F) and a maximum of 22°C (71°F), April's temperatures start to rise, showing a minimum of -2°C (29°F) and a maximum of 26°C (80°F). Precipitation decreases from 54 mm (2.1 in) over 13 days in March to 33 mm (1.3 in) over just 8 days in April, indicating a trend towards drier conditions as spring advances. Both months maintain high humidity levels, with March slightly higher at 86% compared to April's 85%. For more detailed information on April's weather, visit Hounslow weather in April.

In March, temperatures can dip as low as -5°C (23°F) at night, with an average of 7°C (46°F) during the day, reaching highs of 22°C (71°F). The month sees around 54 mm (2.1 in) of precipitation spread over 13 days, coupled with a high humidity level of 86%. In contrast, May brings milder conditions with minimum temperatures around 1°C (35°F), averaging 13°C (55°F) and peaking at 25°C (78°F). Though May experiences slightly more precipitation at 62 mm (2.5 in) over 11 days, the humidity is lower at 79%. For a closer look at the typical weather conditions, you can check Hounslow weather in May.

March and June present quite contrasting weather patterns. In March, temperatures range from a chilly minimum of -5°C (23°F) to a pleasant maximum of 22°C (71°F), with an average of 7°C (46°F). The month also experiences higher humidity at 86% and significant rainfall, accumulating 54 mm (2.1 in) over 13 days. In contrast, June sees a warmer climate with minimum temperatures of 7°C (45°F) and maximums soaring to 31°C (89°F), averaging around 16°C (62°F). Although June experiences slightly more precipitation at 77 mm (3.0 in) over fewer days (9 days), the overall humidity drops to 80%. For more insights into June weather, you can refer to Hounslow weather in June.

In March, temperatures in Hounslow range from a chilly minimum of -5°C (23°F) to a pleasant maximum of 22°C (71°F), with an average temperature of 7°C (46°F). The month experiences significant humidity at 86% and receives about 54 mm (2.1 in) of precipitation over 13 days. In contrast, July brings much warmer temperatures, with a minimum of 9°C (49°F) and a maximum reaching up to 36°C (96°F), averaging 18°C (65°F). While precipitation slightly increases to 64 mm (2.5 in), it occurs on fewer days, just 11, and humidity drops to 71%. For a closer look at the July weather specifics, check out Hounslow weather in July.

In March, the weather is notably cooler, with temperatures ranging from a minimum of -5°C (23°F) to a maximum of 22°C (71°F) and an average temperature of around 7°C (46°F). The month experiences high humidity levels at 86% and receives about 54 mm (2.1 in) of precipitation over 13 days. In contrast, August brings warmer conditions, featuring a minimum temperature of 8°C (47°F), an average of 18°C (64°F), and soaring up to a maximum of 34°C (93°F). With slightly increased precipitation at 70 mm (2.7 in) over 12 days, the humidity drops to 76%. For more details on the weather conditions in August, visit Hounslow weather in August.

March and September present distinct weather characteristics. In March, temperatures can drop to a minimum of -5°C (23°F) and can rise to a pleasant maximum of 22°C (71°F), with an average temperature of 7°C (46°F). The month experiences considerable precipitation totaling 54 mm (2.1 in) over approximately 13 days, coupled with a high humidity level of 86%. In contrast, September showcases milder conditions, with temperatures ranging from a minimum of 4°C (39°F) to a maximum of 28°C (83°F), resulting in an average of 15°C (59°F). It sees slightly less precipitation at 45 mm (1.8 in) over 10 days and lower humidity at 82%. For more details on the weather in September specifically, visit Hounslow weather in September.

In March, temperatures begin to rise, with a minimum of -5°C (23°F) and an average of 7°C (46°F), peaking at a pleasant 22°C (71°F). However, the month is characterized by high humidity at 86% and moderate precipitation, averaging 54 mm (2.1 in) over 13 days. In contrast, October presents a more stable climate, with temperatures ranging from a minimum of 1°C (34°F) to an average of 12°C (54°F) and a maximum of 22°C (73°F). It experiences slightly higher precipitation levels at 84 mm (3.3 in) over 12 days, coupled with a higher humidity of 90%. For a detailed look at October's weather specifics, you can refer to Hounslow weather in October.

In comparing the weather between March and November, both months present a range of cool temperatures, but March boasts slightly warmer highs with averages reaching up to 22°C (71°F), compared to November's maximum of 16°C (62°F). March experiences a broader temperature range, with lows dipping to -5°C (23°F), while November's minimum is -2°C (29°F). Precipitation is somewhat similar, with March receiving 54 mm (2.1 in) over 13 days, slightly more than November's 52 mm (2.0 in) across 11 days. Additionally, humidity levels are higher in November at 92%, compared to March's 86%, contributing to the cooler, damp feeling of the late autumn month. For those interested in specific weather patterns, check out Hounslow weather in November.

March and December exhibit notable differences in weather patterns. In March, temperatures can range from a minimum of -5°C (23°F) to a maximum of 22°C (71°F), with an average temperature of 7°C (46°F). The month experiences 54 mm (2.1 in) of precipitation over 13 days, with a humidity level of 86%. In contrast, December sees slightly milder conditions, with temperatures ranging from -4°C (24°F) to a maximum of 14°C (58°F) and an average of 6°C (44°F). Precipitation is more significant in December, totaling 84 mm (3.3 in) over the same number of days, and the humidity is higher at 92%. For a detailed look at December weather specifics, visit Hounslow weather in December.

Compare Hounslow's Climate with Cities Worldwide

Conclusion: What to Expect From March Weather in Hounslow

March in Hounslow marks a transition from the chill of winter to the promise of spring, with temperatures gradually warming up while remaining quite variable. As the month unfolds, you can expect a mix of mild sunny days alongside some brisk, chilly spells, setting it apart from the more consistent weather of the following months. Although March brings increased precipitation, with rain making an appearance on several days, the overall humidity remains high, creating a unique blend of coolness and dampness. This month serves as a reminder of nature's unpredictability, making it an exciting time to explore the changing landscape. For more detailed insights, be sure to check Hounslow Climate.