April Weather in Hounslow, United Kingdom

Last updated: March 17, 2025

April in Hounslow, United Kingdom, showcases a captivating range of weather conditions. With maximum temperatures reaching 26°C (80°F), residents can enjoy pleasantly warm days, contrasted by cooler evenings with an average temperature of 10°C (49°F) and occasional chills that dip to a minimum of -2°C (29°F). The month sees about 33 mm (1.3 in) of precipitation spread over 8 days, resulting in a lush atmosphere. Coupled with high humidity levels at 85%, April offers a burst of life and refreshment, making it a vibrant transition into spring.

April Temperature in Hounslow

In April, Hounslow, United Kingdom, begins to shake off the last remnants of winter, with temperatures gradually warming up. The minimum temperature hovers around -2°C (29°F), signaling a milder start to the month, while the average climbs to 10°C (49°F), inviting residents to enjoy the fresh spring air. As the days lengthen and the sun shines brighter, highs can reach up to 26°C (80°F), offering a glimpse of summer’s approach. This notable shift shows a marked increase from previous months, setting the stage for the blooming beauty of springtime and encouraging outdoor activities as the chill dissipates.

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

The chart illustrates April 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.

April Precipitation in Hounslow

In April, Hounslow experiences a notable decline in precipitation, receiving 33 mm (1.3 in) of rain over just 8 days. This reduction marks a shift from the wetter months of January through March, which consistently showcased 54 mm (2.1 in) of rainfall. The springtime transition is evident as April, typically a month of blooming flowers and milder weather, offers a respite from the earlier showers, setting the stage for the increased precipitation to follow in May and June. This pattern reflects the region's characteristic unpredictability, where the promise of sunnier days can often be juxtaposed with spontaneous spring rain, keeping the landscape lush and vibrant.

April Precipitation Trends in Hounslow

The chart displays monthly precipitation patterns in Hounslow, with values for each month alongside April's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how April's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec545354336277647045845284
Data source: Precipitation data for April generated using information from the Copernicus Climate Change Service.
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April Humidity in Hounslow

In April, Hounslow experiences a subtle shift in humidity, with levels dropping to 85%, marking a continuation of the gradual decline observed since the winter months. This decline is consistent with the trend seen from January to March, where humidity slowly decreased from a high of 91% in January to 86% in March. As spring unfolds, there’s a noticeable transition toward drier conditions, highlighting a departure from the heavy moisture of winter. Looking ahead, May promises even lower humidity at 79%, suggesting a move towards the sunnier, more pleasant days of early summer. This downward trend not only reflects the changing seasons but also sets the tone for the warm, refreshing months to come.

April Average Humidity in Hounslow

This chart illustrates the average monthly humidity levels in Hounslow, with April's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how April's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec91%89%86%85%79%81%71%76%82%91%92%92%
Data source: Humidity data for April generated using information from the Copernicus Climate Change Service.

April UV Index in Hounslow

As April arrives in Hounslow, the UV Index reaches 5, marking a shift to a moderate exposure category. This notable increase from March’s UV Index of 4 indicates that residents should be more mindful of sun exposure, with a burn time of approximately 30 minutes for fair skin. As spring unfolds, the UV levels signal a trend of increasing sun intensity, setting the stage for the even higher levels expected in May, when the index will soar to 7. Thus, it's essential to stay informed and take precautions to protect your skin during these sunnier days. For more information, check out Hounslow UV Index.

Maximum UV Index Levels in Hounslow for April

The chart shows the monthly maximum UV Index (UVI) for Hounslow in April, 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 April 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.

April Sunshine in Hounslow

As April arrives in Hounslow, the days grow noticeably brighter, boasting an impressive 319 hours of sunshine. This marked increase from 210 hours in March signals the start of a radiant season, setting the stage for even sunnier months ahead. As spring progresses into May, sunshine reaches its peak at 398 hours, while the long, warm days of summer bring July's high of 404 hours. This upward trend in sunlight not only uplifts spirits but also ushers in lush greenery and blooming flowers, making Hounslow a vibrant canvas of life. However, as the year transitions to autumn, the hours of sunshine gradually decline, reminding us of the gentle ebb and flow of the seasons in this charming UK town.

Monthly Sunshine Duration in Hounslow: April Highlighted

The April sunshine duration represents the total number of hours Hounslow experiences direct sunlight during the month of April, excluding cloudy or obstructed periods. This chart compares the sunshine duration of April with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec98h148h210h319h398h389h404h368h300h241h144h109h
Data source: Hounslow April Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Hounslow During April

As April arrives in Hounslow, UK, the promise of sunny weather becomes increasingly likely, with the chance of sun skyrocketing to 49%—a significant leap from earlier months like January's 19% and February's 25%. This pattern signals a delightful transition as spring unfolds, marking a notable peak in sunshine likelihood for the year so far. Following April, the chances of sunlight dip slightly in May to 33%, and then fluctuate through the summer, highlighting a clear trend: just as the flowers bloom, so too does the opportunity for brighter, sunnier days. This makes April an ideal time to enjoy the outdoors, embracing the warmth and beauty of spring in Hounslow.

Percentage of Sunny Days in April in Hounslow

The chart illustrates the percentage of sunny days in Hounslow throughout the year, with April 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 April chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Hounslow in April

April in Hounslow, United Kingdom, marks a delightful transition into longer days, with 13 hours of daylight illuminating the landscape. Following the gradual increase from 8 hours in January to 11 hours in March, April showcases a significant leap that is a prelude to the even longer days of late spring and summer. As the verdant hues of nature begin to emerge, this increase in daylight offers residents and visitors alike more opportunities to bask in the sun’s warmth, engage in outdoor activities, and appreciate the vibrant life that blossoms during this rejuvenating month. With each passing day, the trend towards longer daylight hours continues, hinting at the sun-soaked days of May and June that lie ahead.

Average Daylight Hours in Hounslow for April

The chart illustrates the variation in daylight duration in Hounslow throughout the year, with April 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.

April Winds in Hounslow

In Hounslow during April, the average wind speed dips to 3.5 m/s (8 mph), reflecting a softer breeze compared to the preceding months of January through March, which consistently exhibit higher speeds ranging from 4.2 to 4.7 m/s. This gentle wind marks a transition into spring, creating a more tranquil atmosphere as flowers bloom and the landscape comes alive. Observing the trend, April’s lower wind speed is a precursor to the calm of summer months, which further continue this pattern with even more subdued winds, particularly in June at 3.1 m/s (7 mph). Overall, April presents a serene shift, typifying the gradual descent into warmer weather while offering a refreshing breath in the heart of the season.

Average April Wind Speed in Hounslow

The chart displays monthly wind speed patterns in Hounslow, with values for each month shown alongside April's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how April's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.24.74.43.5 m/s4.23.13.33.83.34.43.84.4
Data source: Hounslow April wind data, generated using information from the Copernicus Climate Change Service.

How April 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 April'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.

April and January showcase distinct differences in weather conditions. In April, temperatures range from a minimum of -2°C (29°F) to a maximum of 26°C (80°F), presenting a more moderate average of 10°C (49°F). In contrast, January experiences colder temperatures, with a minimum of -5°C (24°F) and an average of only 5°C (41°F), peaking at 14°C (58°F). Precipitation levels also vary, with April receiving 33 mm (1.3 in) over 8 days, compared to January's 54 mm (2.1 in) over 10 days. Additionally, humidity remains slightly higher in January at 91%, while April hovers around 85%. For more detailed insights, check out Hounslow weather in January.

April's weather is generally milder compared to February, with average temperatures rising from 6°C (43°F) in February to 10°C (49°F) in April. While both months experience chilly minimum temperatures, April boasts a higher maximum, reaching up to 26°C (80°F) compared to February's 18°C (65°F). Precipitation is less frequent in April, with 33 mm (1.3 inches) over about 8 days, compared to February's 53 mm (2.1 inches) across 11 days. Additionally, humidity is slightly lower in April at 85%, compared to February's 89%. For more detailed insights about February's weather, you can reference Hounslow weather in February.

April experiences milder temperatures compared to March, with an average of 10°C (49°F) versus March's average of 7°C (46°F). Notably, April sees a higher maximum temperature reaching up to 26°C (80°F), while March's peak is 22°C (71°F). Precipitation is lower in April, totaling 33 mm (1.3 in) over 8 days, compared to March's 54 mm (2.1 in) across 13 days. Humidity levels are slightly more consistent, with April at 85% and March at 86%. For more detailed weather insights, check out Hounslow weather in March.

April weather is characterized by a broader temperature range, with minimums dipping as low as -2°C (29°F) and maximums reaching 26°C (80°F). The month experiences an average temperature of 10°C (49°F) along with 33 mm (1.3 in) of precipitation over approximately 8 days, resulting in a high humidity level of 85%. In contrast, May brings slightly warmer temperatures, with a minimum of 1°C (35°F) and an average of 13°C (55°F), though it has a similar maximum temperature of 25°C (78°F). Precipitation increases to 62 mm (2.5 in) over 11 days, yet humidity decreases slightly to 79%. For a more detailed overview, you can check Hounslow weather in May.

April and June exhibit noticeable differences in weather patterns. In April, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 26°C (80°F), with an average temperature of 10°C (49°F). This month experiences relatively low precipitation, totaling 33 mm (1.3 in) over about 8 days, and high humidity levels at 85%. 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), and an average temperature of 16°C (62°F). However, it also sees an increase in precipitation, reaching 77 mm (3.0 in) over approximately 9 days, while humidity remains slightly lower at 80%. For a more detailed understanding of June weather, you can check Hounslow weather in June.

April and July showcase stark contrasts in weather patterns. In April, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 26°C (80°F), with an average of 10°C (49°F). The month experiences about 33 mm (1.3 in) of precipitation over eight days, coupled with high humidity at 85%. In contrast, July is much warmer, with a minimum of 9°C (49°F) and a peak of 36°C (96°F), resulting in a more comfortable average of 18°C (65°F). While July sees increased rainfall at 64 mm (2.5 in) across eleven days, the humidity drops to 71%, providing a more summery feel. For more detailed information, you can check Hounslow weather in July.

April weather is characterized by a cool start, with temperatures ranging from a brisk minimum of -2°C (29°F) to a pleasant maximum of 26°C (80°F), averaging around 10°C (49°F). During this month, the region sees about 33 mm (1.3 in) of rainfall spread over 8 days, contributing to a high humidity level of 85%.

In contrast, August boasts warmer temperatures with a minimum of 8°C (47°F) and a peak of 34°C (93°F), averaging 18°C (64°F). However, it is also wetter, experiencing around 70 mm (2.7 in) of precipitation over 12 days and a slightly lower humidity of 76%. For more detailed information on the weather in August, you can check Hounslow weather in August.

April and September present contrasting experiences in terms of weather. April typically begins with cooler temperatures, ranging from a minimum of -2°C (29°F) to an average of 10°C (49°F), reaching a maximum of 26°C (80°F). This month also sees about 33 mm (1.3 in) of precipitation over approximately 8 days, with a high humidity level of 85%. In comparison, September offers milder conditions, with temperatures starting at a minimum of 4°C (39°F), an average of 15°C (59°F), and a peak of 28°C (83°F). Precipitation increases to 45 mm (1.8 in) over around 10 days, while humidity remains close at 82%. For an in-depth look at September's weather patterns, check out Hounslow weather in September.

April and October present distinct weather patterns. In April, temperatures range from a chilly minimum of -2°C (29°F) to a pleasant maximum of 26°C (80°F), with an average of 10°C (49°F). The month experiences about 33 mm (1.3 in) of precipitation over approximately 8 days, and humidity averages around 85%. In contrast, October offers slightly warmer temperatures with a minimum of 1°C (34°F) and a maximum of 22°C (73°F), averaging 12°C (54°F). However, it is wetter, receiving about 84 mm (3.3 in) of rainfall over 12 days and higher humidity at 90%. For more details on October weather, visit Hounslow weather in October.

April and November exhibit distinct weather characteristics despite sharing similar minimum temperatures of -2°C (29°F). April typically enjoys warmer conditions with an average temperature of 10°C (49°F) and a maximum of 26°C (80°F), making it a more pleasant month overall. In contrast, November sees cooler averages at 8°C (47°F) and a maximum of only 16°C (62°F). Precipitation is also more pronounced in November, with 52 mm (2.0 in) over 11 days compared to April’s 33 mm (1.3 in) spread over 8 days. Additionally, November holds a higher humidity level at 92%, making it feel more damp compared to April's 85%. For more detailed insights into the weather in November, you can visit Hounslow weather in November.

In comparing April and December weather, April typically presents a mild transition into spring, with temperatures ranging from a minimum of -2°C (29°F) to a pleasant maximum of 26°C (80°F), and an average of 10°C (49°F). It experiences less precipitation, averaging 33 mm (1.3 in) over about 8 days and a humidity of 85%. In contrast, December is characterized by colder temperatures, with a minimum of -4°C (24°F) and a maximum of only 14°C (58°F), alongside a lower average of 6°C (44°F). December sees significantly higher precipitation, totaling 84 mm (3.3 in) across 13 days, along with increased humidity at 92%. For more detailed insights on December weather, you can check Hounslow weather in December.

Compare Hounslow's Climate with Cities Worldwide

Conclusion: What to Expect From April Weather in Hounslow

April in Hounslow brings a refreshing shift as temperatures begin to rise, contrasting sharply with the chill of winter. With maximum temperatures nudging 26°C, the month showcases the promise of warmer days ahead. Despite the occasional rainfall—averaging about 33 mm across 8 days—humidity levels soar to 85%, giving the air a vibrant, lively feel. This transitional month stands out as a time of rejuvenation, setting the stage for the summer months to follow. For a deeper understanding of Hounslow's climate throughout the year, explore Hounslow Climate.