May Weather in Clapham, United Kingdom

Last updated: March 17, 2025

May in Clapham, United Kingdom, presents a delightful mix of weather patterns, with temperatures ranging from a chilly minimum of 1°C (34°F) to a maximum of 27°C (80°F). The average temperature hovers around a comfortable 12°C (55°F), making it a pleasant month for outdoor activities. However, residents should be prepared for occasional rain, as 64 mm (2.5 in) of precipitation falls over 11 days, contributing to a humidity level of 80%. This combination of warmth and moisture creates a lush and vibrant landscape, typical of the British spring.

May Temperature in Clapham

In May, Clapham, United Kingdom, experiences a delightful transition into spring with temperatures that bring a welcome warmth to the region. The month begins with a gentle minimum of 1°C (34°F) and an inviting average of 12°C (55°F), perfect for outdoor activities. As the days progress, the city can enjoy highs reaching up to 27°C (80°F), marking a significant rise from the cooler temperatures of previous months. This upward trend signals a vibrant shift, as May showcases some of the most pleasant weather in the year, enticing locals and visitors alike to bask in the blooming landscape and partake in the lively outdoor culture that Clapham has to offer.

May Weather in Clapham: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Clapham, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec404345485461656459534643
Data source: Temperature data for Clapham 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.

May Precipitation in Clapham

May in Clapham, United Kingdom, marks a notable uptick in precipitation, with an average of 64 mm (2.5 in) falling over 11 days. This increase follows the relatively drier month of April, which recorded only 38 mm (1.5 in) of rain. As spring transitions into early summer, the higher rainfall in May contributes to lush greenery, setting the stage for vibrant outdoor activities. The trend continues into June, which experiences even more rain, suggesting a pattern of increasing precipitation as the year progresses. May's weather not only reflects the unpredictability of British spring but also highlights the importance of preparation for potential showers during this blossoming season.

May Precipitation Trends in Clapham

The chart displays monthly precipitation patterns in Clapham, with values for each month alongside May's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how May's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec504757386473687052845378
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Clapham

As spring transitions into summer, May in Clapham, United Kingdom, brings a welcome dip in humidity, recorded at 80%. This marks a significant drop from the 90% humidity of January, creating a more pleasant atmosphere as flowers bloom and outdoor activities become more inviting. After steadily decreasing through the previous months, May's levels set the stage for a warm June ahead, which sees a slight increase back to 81%. The pattern indicates a gradual decline in humidity as the year progresses towards summer, before a slight rise resumes in the fall. Overall, May offers a perfect blend of comfortable climate and refreshing breezes, making it an ideal time to enjoy the beauty of Clapham.

May Average Humidity in Clapham

This chart illustrates the average monthly humidity levels in Clapham, with May's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how May's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec90%88%86%84%80%81%76%77%85%90%92%90%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Clapham

As May rolls into Clapham, the UV Index surges to 7, marking a shift to a high exposure category with a burn time of just 25 minutes. This jump from the moderate levels of previous months emphasizes the importance of sun protection as spring advances toward summer. The steady increase from January’s low UV Index of 1 to May's peak signals that residents and visitors should stay vigilant against the sun's rays. With June on the horizon and an anticipated rise to 8, the urgency for sun safety measures becomes even more pronounced. For more detailed information on UV levels and recommendations, visit Clapham UV Index.

Maximum UV Index Levels in Clapham for May

The chart shows the monthly maximum UV Index (UVI) for Clapham in May, 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.
JanFebMarAprMayJunJulAugSepOctNovDec124578875421
Data source: Clapham May 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.

May Sunshine in Clapham

In Clapham, the month of May shines as a beacon of brightness, boasting an impressive 378 hours of sunshine—the highest of the year. This glowing performance marks a delightful progression from the 307 hours enjoyed in April, as spring fully blooms and invites residents outdoors. Following May, sunshine remains generous, with June and July also showcasing robust totals of 361 and 382 hours, respectively. However, as summer transitions into autumn, the hours gradually dwindle, with September seeing 286 hours and October dropping to 229 hours. The trend is clear: May not only serves as the pinnacle of sunny days in Clapham but also acts as a vibrant reminder of the sun-drenched days that precede the cooler months.

Monthly Sunshine Duration in Clapham: May Highlighted

The May sunshine duration represents the total number of hours Clapham experiences direct sunlight during the month of May, excluding cloudy or obstructed periods. This chart compares the sunshine duration of May with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec90h147h204h307h378h361h382h352h286h229h138h103h
Data source: Clapham May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Clapham During May

As we transition into May in Clapham, United Kingdom, the likelihood of sunny weather shows a slight decline from the previous month, with a 30% chance of sunshine. This dip follows April's impressive 48%, suggesting that while May boasts more sun than earlier months like January through March, it falls short of the vibrant skies often celebrated in late spring. Interestingly, the trend shows a noticeable increase in sunshine probabilities as we approach summer, with June and July offering 25% and 38%, respectively. Thus, while May may not guarantee abundant sunshine, it serves as a promising precursor to the sunnier days ahead.

Percentage of Sunny Days in May in Clapham

The chart illustrates the percentage of sunny days in Clapham throughout the year, with May 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 Clapham experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%25%26%48%30%25%38%24%30%22%31%16%
Data source: Clapham May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Clapham in May

In Clapham, United Kingdom, May marks a significant transition into the vibrant summer season, as daylight duration reaches an impressive 15 hours. This increase from April’s 13 hours highlights the rapid elongation of days as spring unfolds into summer. Following a consistent upward trend throughout the earlier months, May's long days encourage outdoor activities and bring a sense of warmth and vitality to the area. As daylight gradually reaches its peak in June at 16 hours, the extended sunlight not only enhances the local landscape but also elevates the community's spirit, making it a delightful time to enjoy the parks and gardens of Clapham.

Average Daylight Hours in Clapham for May

The chart illustrates the variation in daylight duration in Clapham throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 18m9h 55m11h 54m13h 56m15h 43m16h 39m16h 9m14h 33m12h 35m10h 34m8h 45m7h 47m
Data source: Clapham daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Clapham

As May unfolds in Clapham, United Kingdom, average wind speeds settle around 4.3 m/s (10 mph), marking a gentle transition from the breezier days of earlier months. Following the peaks of January and February, which recorded average wind speeds of 4.5 m/s (10 mph) and 5.0 m/s (11 mph) respectively, the winds calm slightly in April with a modest drop to 3.5 m/s (8 mph). Interestingly, May's conditions suggest a slight rebound, offering a pleasant breeze ideal for outdoor activities. On the horizon, June anticipates a further decline to 3.4 m/s (8 mph), signaling that peak spring winds are giving way to the summer stillness. These trends not only highlight May's moderate breezes but also reflect the evolving character of Clapham's weather as the seasons shift.

Average May Wind Speed in Clapham

The chart displays monthly wind speed patterns in Clapham, with values for each month shown alongside May's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how May's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec4.55.04.73.54.3 m/s3.43.24.13.65.04.44.8
Data source: Clapham May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Clapham Compares to Other Months

The weather in Clapham changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of May's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Clapham and find detailed weather information for every month.

When comparing the weather between May and January, notable differences emerge. May typically sees a wider range of temperatures, with a minimum of 1°C (34°F), an average of 12°C (55°F), and a maximum of 27°C (80°F), making it a much warmer month overall. In contrast, January experiences colder temperatures, ranging from a minimum of -4°C (25°F) to a maximum of 14°C (58°F), with an average of only 5°C (41°F). While May has a moderate level of precipitation (64 mm over 11 days), January is relatively drier with 50 mm of rain falling over 9 days. Interestingly, January also tends to have higher humidity at 90%, compared to May's 80%. For more details on January's weather, visit Clapham weather in January.

In comparing the weather in May and February, May typically showcases a more moderate climate with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 27°C (80°F) and an average of 12°C (55°F). It experiences higher precipitation levels at 64 mm (2.5 in) over 11 days, accompanied by a humidity of 80%. In contrast, February presents a colder profile, with temperatures hovering between -6°C (22°F) and 18°C (65°F), averaging 6°C (43°F). This month sees slightly less precipitation at 47 mm (1.9 in), yet maintains a higher humidity level of 88%. For more detailed insights on February weather, you can check Clapham weather in February. Overall, May is characterized by milder temperatures and more warmth, while February is defined by its chillier climate and higher humidity.

In comparing the weather between May and March, May boasts milder temperatures with a minimum of 1°C (34°F) and an average of 12°C (55°F), while March starts off much colder, with a minimum of -7°C (20°F) and an average of 7°C (45°F). Although both months experience similar levels of precipitation—64 mm (2.5 in) in May compared to 57 mm (2.2 in) in March—May tends to feel drier with fewer rainy days, averaging 11 days of precipitation compared to 13 days in March. Additionally, humidity levels are slightly lower in May at 80%, whereas March sees a higher average of 86%. For more detailed insights, you can check Clapham weather in March.

In comparing the weather between April and May, it's notable that May generally offers warmer temperatures, with averages rising from 9°C (49°F) in April to 12°C (55°F) in May. While both months experience the same maximum temperature of 27°C (80°F), April has a colder minimum temperature of -2°C (29°F) compared to May's 1°C (34°F). Additionally, precipitation levels are higher in May, with 64 mm (2.5 in) over 11 days of rain, contrasted with April's 38 mm (1.5 in) over 8 days. Humidity remains relatively high in both months, though slightly lower in May at 80% compared to April’s 84%. For more details on April's weather specifically, you can visit Clapham weather in April.

In comparing the weather between May and June, we see a notable increase in temperatures. May experiences a minimum of 1°C (34°F) and an average of 12°C (55°F), while June starts with a higher minimum of 6°C (44°F) and an average of 16°C (61°F). The maximum temperatures also rise, reaching 27°C (80°F) in May and peaking at 31°C (88°F) in June. Additionally, June sees slightly more precipitation at 73 mm (2.9 in) over 10 days compared to May's 64 mm (2.5 in) over 11 days, while humidity levels remain comparable at 80% in May and 81% in June. For more detailed information, you can refer to Clapham weather in June.

May and July showcase distinct differences in weather patterns. In May, temperatures range from a cool 1°C (34°F) to a warm max of 27°C (80°F), with an average of 12°C (55°F). The month sees 64 mm (2.5 inches) of precipitation over approximately 11 days, coupled with a high humidity level of 80%. In contrast, July presents a warmer climate, with temperatures starting at a minimum of 7°C (45°F), peaking at 37°C (98°F), and an average of 18°C (65°F). Precipitation increases slightly to 68 mm (2.7 inches) across 14 days, while humidity drops to 76%. For a more detailed look at July weather, check out Clapham weather in July.

May and August present distinct contrasts in weather patterns. In May, temperatures range from a chilly 1°C (34°F) at night to a pleasant 27°C (80°F) during the day, with an average of 12°C (55°F). The month sees around 64 mm (2.5 in) of precipitation over 11 days, accompanied by a high humidity level of 80%. In contrast, August boasts warmer conditions, with temperatures varying from a minimum of 8°C (47°F) to a maximum of 35°C (95°F), averaging around 18°C (64°F). This month experiences slightly higher precipitation at 70 mm (2.7 in) over 12 days, while humidity remains relatively lower at 77%. For more details on August weather, visit Clapham weather in August.

In comparing the weather between May and September, it is clear that both months feature mild temperatures, but September tends to be slightly warmer. May sees a minimum temperature of 1°C (34°F) and an average of 12°C (55°F), with a maximum reaching 27°C (80°F). In contrast, September's temperatures range from a minimum of 3°C (37°F), an average of 15°C (59°F), to a maximum of 29°C (85°F).

Precipitation levels are somewhat lower in September, with 52 mm (2.0 in) expected over 9 days, compared to May's 64 mm (2.5 in) over 11 days. However, both months experience high humidity, with September slightly higher at 85% compared to May's 80%. For more detailed information, you can check Clapham weather in September.

In May, the weather is generally warmer, with temperatures ranging from a minimum of 1°C (34°F) to a maximum of 27°C (80°F), averaging around 12°C (55°F). The month experiences moderate precipitation of about 64 mm (2.5 in) over 11 days, with a humidity level of 80%. In contrast, October brings cooler temperatures, with a minimum of 0°C (33°F) and a maximum of 23°C (74°F), averaging 11°C (53°F). This month is wetter, with precipitation increasing to 84 mm (3.3 in) over 12 days and a higher humidity level at 90%. For more detailed information on October weather, visit Clapham weather in October.

May and November present contrasting weather conditions, showcasing the transition from spring to late autumn. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 27°C (80°F), with an average of 12°C (55°F) and relatively moderate humidity at 80%. Precipitation is more common, with about 64 mm (2.5 in) falling over 11 days. In contrast, November experiences cooler temperatures, with a minimum of -3°C (28°F), an average of 8°C (46°F), and a maximum of 17°C (63°F). Although November sees slightly less precipitation at 53 mm (2.1 in) over 10 days, the humidity is notably higher at 92%, contributing to a chillier feel. For more detailed insights, you can check Clapham weather in November.

May and December present contrasting weather patterns. In May, temperatures generally range from a minimum of 1°C (34°F) to a pleasant average of 12°C (55°F), peaking at a maximum of 27°C (80°F). The month enjoys relatively lower humidity at 80%, with moderate precipitation of 64 mm (2.5 in) spread over 11 days. In contrast, December experiences cooler temperatures, with a minimum of -4°C (25°F) and an average of 6°C (43°F), reaching a high of 15°C (59°F). Humidity rises to 90%, and precipitation increases to 78 mm (3.1 in) over 15 days. For more details on December weather, you can check Clapham weather in December.

Compare Clapham's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Clapham

As May unfolds in Clapham, it marks a transition into more pleasant weather, characterized by warmer temperatures and a noticeable increase in humidity. Compared to the chill of earlier months, residents can relish average highs that reach a comfortable 27°C (80°F), inviting outdoor activities. However, this month also brings a fair share of rainfall, with about 11 days seeing precipitation that totals around 64 mm (2.5 in), reminding us that spring can be unpredictable. Overall, May stands out as a refreshing month, striking a balance between warmth and the occasional shower, as outlined in more detail at Clapham Climate.