Last updated: March 17, 2025
In April, London, United Kingdom experiences a temperate climate marked by daily temperature fluctuations that range from a brisk minimum of -2°C (29°F) to a pleasant maximum of 26°C (80°F). The month averages around 10°C (49°F), providing a suitable backdrop for spring activities. Rainfall is moderate, with 33 mm (1.3 in) of precipitation spread over 8 days, contributing to the city's lush greenery. The air is remarkably humid, averaging 85%, making for a fresh, invigorating atmosphere as the city awakens from winter's chill.
As April arrives in London, temperatures begin to show a significant upward trend, shaking off the winter chill with a minimum of -2°C (29°F) and a pleasant average of 10°C (49°F). This month marks a remarkable warming compared to previous months, with maximums soaring to an inviting 26°C (80°F), heralding the arrival of spring. With the city shaking off the frost, the sky often brightens, and the parks burst into colorful blooms, enticing locals and visitors alike to relish in outdoor activities. April’s weather is a promising hint of the warmth to come, making it a perfect time to explore London’s vibrant ambiance as it shifts towards the sunny days of summer.
April in London brings a noticeable dip in precipitation compared to the preceding months, with an average of 33 mm (1.3 in) of rainfall over just 8 days. This represents a significant reduction from the 54 mm seen in both January and March, as well as the upcoming 62 mm in May. The month transitions into spring, providing a refreshing change from the heavier rains of winter, allowing for more dry spells perfect for enjoying the blooming flowers and milder temperatures. Despite this lighter rainfall, London's unpredictable weather still keeps residents on their toes, highlighting the city's charming, yet capricious, nature.
In April, London experiences a mild drop in humidity, averaging 85%, which continues the gradual decline seen since the peak winter months. This month marks a transition as the city shakes off the chill of winter, shifting from the 91% humidity of January to 89% in February and 86% in March. The decreasing humidity is particularly notable as May approaches, when levels dip further to 79%, indicating a shift towards the drier conditions often associated with the late spring and summer months. Overall, April serves as a bridge between the dampness of early spring and the more comfortable climates of late spring, setting the stage for sunnier days ahead.
As spring unfolds in London, April brings a moderate UV Index of 5, signaling an important shift in sun safety awareness. With a burn time of just 30 minutes for unprotected skin, it's crucial to start incorporating sun protection during outdoor activities. This month's UV levels continue the upward trend from March, where the index was slightly lower at 4. As we transition into May, which boasts a higher UV Index of 7, awareness of UV exposure becomes increasingly essential. Embrace the longer days and blooming flowers, but remember: even in April, a little precaution goes a long way in protecting your skin. For more details on UV levels throughout the year, visit London UV Index.
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April in London ushers in a radiant transition as daylight steadily increases, boasting a remarkable 319 hours of sunshine. This surge marks a significant leap from the 210 hours seen in March, setting the stage for the city's vibrant spring. As the days grow longer, May continues this trend of brightness, hitting 398 hours and further elevating the mood across the capital. The month of April not only highlights the promise of warmer days ahead but also contrasts sharply with the dimmer winter months, which recorded less than 100 hours of sunlight in January and February. With an upward trajectory in sunshine hours peaking during the summer, April serves as a delightful springboard into the sunlit pleasures that follow.
As April arrives in London, the likelihood of sunny weather significantly increases, reaching an impressive 49% chance of sunshine. This marks a noticeable shift from the dreary winter months, with January and February seeing only 19% and 25% chances, respectively. By March, the sun starts to peek out more often with a 29% likelihood, but it’s in April that the sunshine truly begins to take hold. Interestingly, while the chances dip again in May and June to 33% and 28%, April remains the standout month for brightness, hinting at the transition into spring. With a near 50% chance of sun, April offers a refreshing promise of warmer days ahead for Londoners and visitors alike.
As spring unfolds in London, April marks a delightful rise in daylight hours, providing approximately 13 hours of sunshine each day. This increase follows the trend set by March, which saw 11 hours of daylight, highlighting the gradual lengthening of days as winter recedes. With each passing month in this vibrant city, the days grow longer, peaking in June with an impressive 16 hours of daylight. This upward trend continues until early summer, before tapering off into the shorter, cozier days of autumn. By the time we reach October, daylight diminishes to 10 hours, illustrating a clear seasonal shift, as the city transitions from the brightness of spring to the more muted tones of winter. The contrast in daylight duration from January’s mere 8 hours to April's sunny 13 truly exemplifies the refreshing embrace of springtime in London.
As April sweeps into London, the city's breezes become noticeably gentler, with an average wind speed of 3.5 m/s (8 mph). This marks a subtle dip from the slightly brisker conditions of March. While the earlier months of the year witness higher wind speeds, April's softer gales suggest a transition into the more temperate and blossoming spring, offering a refreshing contrast. As the seasons shift, May is poised to return to quicker winds at 4.2 m/s (9 mph), hinting at the dynamic weather patterns that define London throughout the year. This ebb and flow of winds provides a unique rhythm to the city's springtime atmosphere, fostering a delightful environment for both residents and visitors alike.
The weather in London 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 London and find detailed weather information for every month.
April weather in London is generally milder and more variable than January, with average temperatures ranging from -2°C (29°F) at night to a pleasant 26°C (80°F) during the day. In contrast, January experiences lower temperatures, with a maximum of only 14°C (58°F) and a minimum of -5°C (24°F). Additionally, April sees less precipitation, averaging 33 mm (1.3 in) over 8 days compared to January's 54 mm (2.1 in) over 10 days. Humidity levels are also slightly lower in April at 85%, compared to January's 91%, contributing to a more comfortable atmosphere as spring approaches. For more details on January weather, check out London weather in January.
When comparing the weather in April and February, we can observe notable differences in temperature and precipitation patterns. April generally experiences milder temperatures, with a minimum of -2°C and an average of 10°C, reaching a maximum of 26°C, while February is cooler, with minimums reaching -5°C and an average of 6°C, peaking at 18°C. Additionally, April has less precipitation at 33 mm over about 8 days, contrasted with February's 53 mm spread over 11 days. Both months show high humidity levels, but February is slightly higher at 89% compared to April's 85%. For a detailed look, you can check London weather in February.
When comparing the weather in April to March, April generally showcases milder conditions. The average temperature in April reaches 10°C (49°F), compared to March's average of 7°C (46°F). Additionally, April experiences a maximum temperature of 26°C (80°F), which is significantly higher than March's peak of 22°C (71°F). However, March is wetter, with higher precipitation at 54 mm (2.1 in) over 13 days, while April sees only 33 mm (1.3 in) spread across 8 days. Humidity remains fairly consistent, with April at 85% and March slightly higher at 86%. For further details, check out London weather in March.
April and May exhibit notable differences in weather patterns. In April, temperatures in London 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 sees lower precipitation at 33 mm (1.3 in) across about 8 days, but it comes with a high humidity level of 85%. In contrast, May brings a slight increase in warmth, with minimum temperatures rising to 1°C (35°F) and an average of 13°C (55°F), peaking at 25°C (78°F). However, May also experiences more rain, totaling 62 mm (2.5 in) over 11 days and slightly lower humidity at 79%. For more details, check out London weather in May.
April's 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). This month sees an average temperature of 10°C (49°F) and experiences approximately 33 mm (1.3 in) of precipitation over about 8 days, coupled with high humidity levels at 85%. In contrast, June presents a warmer climate, with minimums starting at 7°C (45°F) and maximums soaring up to 31°C (89°F), resulting in a more pleasant average temperature of 16°C (62°F). Precipitation increases slightly to 77 mm (3.0 in) across 9 days, and humidity is slightly lower at 80%. For further details on London’s weather specifically in June, you can check London weather in June.
In April, temperatures range from a chilly -2°C (29°F) at night to a mild average of 10°C (49°F), peaking at a pleasant 26°C (80°F) during the day. The month experiences about 33 mm (1.3 in) of precipitation over 8 days, coupled with high humidity levels at 85%. In contrast, July sees significantly warmer weather, with nighttime lows of 9°C (49°F) and daytime averages around 18°C (65°F), reaching maximums of 36°C (96°F). Precipitation increases to 64 mm (2.5 in) over 11 days, but humidity drops to 71%. For more details, check out London weather in July.
In comparing the weather of April and August, we see a significant shift in temperatures and conditions. April experiences a cooler range with temperatures varying from a minimum of -2°C (29°F) to a comfortable average of 10°C (49°F), peaking at 26°C (80°F). The month is relatively damp, with 33 mm (1.3 in) of precipitation spread over 8 days and high humidity at 85%. In contrast, August offers a much warmer climate, with temperatures ranging from a minimum of 8°C (47°F) to a more pleasant average of 18°C (64°F), and reaching highs of 34°C (93°F). This month is also wetter, receiving 70 mm (2.7 in) of rainfall over 12 days and slightly lower humidity at 76%. For more detailed insights into August weather, you can refer to London weather in August.
In comparing the weather between April and September, April tends to start cooler, with temperatures ranging from a minimum of -2°C (29°F) to an average of 10°C (49°F) and a maximum of 26°C (80°F). In contrast, September enjoys a milder climate, with minimum temperatures of 4°C (39°F), an average of 15°C (59°F), and a warm maximum reaching 28°C (83°F). Additionally, April sees about 33 mm (1.3 in) of precipitation over 8 days, while September experiences slightly more rain, totaling 45 mm (1.8 in) across 10 days. Humidity levels are comparatively high in both months, with April at 85% and September slightly lower at 82%. For further details on September weather, check out London weather in September.
April and October offer distinct weather experiences despite being close in season. In April, temperatures range from a chilly -2°C (29°F) to a pleasant 26°C (80°F), with an average of 10°C (49°F). The month sees about 33 mm (1.3 in) of precipitation over approximately 8 days, accompanied by a relatively high humidity of 85%. In contrast, October presents cooler temperatures, with a minimum of 1°C (34°F), an average of 12°C (54°F), and a maximum of 22°C (73°F). This month is wetter, with around 84 mm (3.3 in) of rain falling over 12 days and slightly higher humidity at 90%. These variations make April feel more transitional as spring emerges, while October typically brings the crispness of autumn. For a more detailed look at what to expect, check out London weather in October.
April and November weather exhibit notable differences. In April, temperatures range from a minimum of -2°C (29°F) to a maximum of 26°C (80°F), with an average of 10°C (49°F). This month sees less precipitation, at 33 mm (1.3 in) over 8 days, and a relatively lower humidity of 85%. In contrast, November experiences cooler temperatures, with a minimum of -2°C (29°F), an average of 8°C (47°F), and a maximum of 16°C (62°F). Additionally, November is wetter, receiving 52 mm (2.0 in) of rain over 11 days and a higher humidity level at 92%. For more information, you can check London weather in November.
April and December present contrasting weather patterns, reflecting the transition from spring to winter. In April, temperatures fluctuate, with a minimum of -2°C (29°F) and an average high of 26°C (80°F), allowing for milder days amid cool nights. The month sees about 33 mm (1.3 in) of precipitation across approximately 8 days, with humidity levels around 85%. In contrast, December is marked by colder temperatures, ranging from a minimum of -4°C (24°F) to a maximum of 14°C (58°F), and an increase in precipitation to 84 mm (3.3 in) over 13 days. The higher humidity of 92% in December contributes to a chillier atmosphere. For more details on the weather during this winter month, visit London weather in December.
April in London brings a delightful shift in weather as the city transitions from the chill of winter to the early warmth of spring. With temperatures rising significantly, this month stands out from the colder winter months, inviting residents and visitors to enjoy the blooming scenery. Although rainfall persists, with several days of precipitation, the overall vibe is one of renewal and growth. The humidity also makes its presence felt, adding to the vibrant atmosphere. For a more comprehensive understanding of what to expect throughout the year, explore the details in London Climate.