May Weather in Blaenavon, United Kingdom

Last updated: March 17, 2025

In Blaenavon, United Kingdom, May weather showcases a diverse climate, highlighted by maximum temperatures reaching 26°C (78°F) while maintaining an average temperature of 12°C (53°F). With a minimum temperature dipping to 0°C (32°F), the month presents a wide range of thermal experiences. Rainfall is a prominent feature, as 79 mm (3.1 in) of precipitation is recorded over 13 days, adding to the region's lush scenery. The humidity level remains notably high at 80%, contributing to the fresh and invigorating atmosphere that characterizes this vibrant spring month.

May Temperature in Blaenavon

May in Blaenavon marks a delightful transition into warmer weather, with temperatures steadily rising as spring approaches its peak. The month begins with a minimum of 0°C (32°F), signaling a crisp start, but soon gives way to a much more pleasant average of 12°C (53°F). As the days lengthen, the warmth builds to a maximum of 26°C (78°F), offering ample opportunity for outdoor activities and basking in the sun. This upward trend in temperatures from the chilly spring months of January through April illustrates the region's journey into a lively, revitalizing season, making May an ideal time for exploring the picturesque landscapes of Blaenavon.

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

The chart illustrates May temperature patterns in Blaenavon, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414244485359636157524643
Data source: Temperature data for Blaenavon 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 Blaenavon

May brings a refreshing splash of rain to Blaenavon, with 79 mm (3.1 in) of precipitation over 13 days. This amount of rainfall is slightly lower than the wetter months of March and February, yet it contributes to a lush and vibrant landscape as spring unfolds. Notably, April's precipitation dips to 58 mm (2.3 in), suggesting that May marks a return to more typical conditions after the relatively dry spell. The consistent rainfall in May serves not only to nourish the blooming flora but also sets the stage for the upcoming wetter months of June and October, where precipitation levels rise again. As nature awakens, Blaenavon’s atmosphere during May is filled with the promise of growth and renewal, making it a charming time for both residents and visitors alike.

May Precipitation Trends in Blaenavon

The chart displays monthly precipitation patterns in Blaenavon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec61848858798273846311184108
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Blaenavon

In May, Blaenavon experiences a welcome shift in humidity, decreasing to 80% from the higher levels seen in the earlier months. This trend marks a transition into the drier part of the year, as humidity steadily declines from January's peak of 88% through to April. While May's moisture levels are still significant, they pave the way for sunnier days ahead, as humidity continues to stabilize at 80% into June. This gradual dip creates a refreshing atmosphere for outdoor activities, allowing residents and visitors to enjoy the mild spring weather before the summer's warmer, drier months set in.

May Average Humidity in Blaenavon

This chart illustrates the average monthly humidity levels in Blaenavon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec89%88%86%84%80%80%70%73%79%89%90%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Blaenavon

In May, Blaenavon experiences a notable increase in sunshine, reflected in a UV Index of 7, categorizing exposure as high. This means you can expect a burn time of just 25 minutes without adequate protection. As the month progresses, the UV index transitions from a moderate level in March (4) to a stark jump in April (6) and May, indicating a trend toward stronger sun exposure. This uptick serves as a reminder for residents and visitors alike to stay vigilant about sun safety as summer approaches. With the UV Index rising in the following months to 8 in June and July, it's essential to be proactive in protecting your skin. For more insights, check out the Blaenavon UV Index.

Maximum UV Index Levels in Blaenavon for May

The chart shows the monthly maximum UV Index (UVI) for Blaenavon 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.
JanFebMarAprMayJunJulAugSepOctNovDec124678876421
Data source: Blaenavon 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 Blaenavon

May shines brightly in Blaenavon, United Kingdom, where the transition from spring to summer brings an impressive 379 hours of sunshine. This leap in brightness follows a steady upward trend from the relatively modest 81 hours in January, making May one of the sunniest months of the year. As winter fades, residents can enjoy nearly 80% more sunshine than in April, setting the tone for the upcoming summer months. June keeps the sunshine streak alive with 355 hours, while July peaks at 399 hours, providing ample opportunities for outdoor adventures. However, as summer winds down, the sunshine gradually decreases, with September seeing 279 hours, showcasing the natural ebb and flow of light in this charming Welsh locale.

Monthly Sunshine Duration in Blaenavon: May Highlighted

The May sunshine duration represents the total number of hours Blaenavon 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.
JanFebMarAprMayJunJulAugSepOctNovDec81h134h192h303h379h355h399h345h279h224h121h100h
Data source: Blaenavon May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Blaenavon During May

In Blaenavon, UK, May brings a 30% chance of sunny weather, which reflects a slight dip following the significant improvement seen in April, where the chances soared to 50%. This trend suggests that while May is still a month of moderate sunshine, the early warmth of spring does not consistently carry over into late spring. Interestingly, sunny days tend to become more elusive again in the summer months, with June and July both showing a decline in sun chances compared to April. Overall, if you’re planning outdoor activities in May, it’s wise to prepare for a mix of sunshine and clouds, as the variability in weather can keep you guessing!

Percentage of Sunny Days in May in Blaenavon

The chart illustrates the percentage of sunny days in Blaenavon 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 Blaenavon experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec20%20%25%51%30%26%38%26%26%19%31%18%
Data source: Blaenavon May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Blaenavon in May

As spring transitions into summer, Blaenavon, United Kingdom, experiences a remarkable increase in daylight duration. Starting with just 8 hours in January, the days gradually lengthen to 15 hours by May, reflecting the region's vibrant awakening during springtime. April brings a notable surge to 13 hours, hinting at the seasonal shift, while May marks a peak as residents revel in longer evenings and the blossoming of nature. This upward trend continues into June and July, where daylight reaches an impressive 16 hours, before tapering off again in the later months. Overall, the progression from early year shadows to the bright, extended days of late spring and summer highlights the dynamic natural rhythm that shapes life in Blaenavon.

Average Daylight Hours in Blaenavon for May

The chart illustrates the variation in daylight duration in Blaenavon throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 21m9h 57m11h 55m13h 55m15h 40m16h 35m16h 6m14h 31m12h 35m10h 35m8h 48m7h 51m
Data source: Blaenavon daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Blaenavon

In Blaenavon, May brings a refreshing average wind speed of 3.9 m/s (9 mph), slightly picking up from the calmer breezes of April. As the spring begins to transition into summer, the winds show a gentle resurgence, mirroring the budding life around this historic town. Notably, while January and October both boast similar wind speeds, the overall trend toward quieter months becomes evident as July and June experience the softest gusts of the year at 2.8 m/s (6 mph) and 3.1 m/s (7 mph), respectively. This pattern underscores a dynamic seasonal shift that captures the essence of time in Blaenavon—where each month weaves its unique character into the winds that sweep through the valleys and hills.

Average May Wind Speed in Blaenavon

The chart displays monthly wind speed patterns in Blaenavon, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.15.04.23.13.9 m/s3.12.83.53.04.23.54.3
Data source: Blaenavon May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Blaenavon Compares to Other Months

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

In comparing the weather between May and January, you'll find significant differences in temperature and overall conditions. May typically enjoys more temperate weather, with an average temperature of 12°C (53°F) and highs reaching up to 26°C (78°F), while January is much colder, averaging only 5°C (41°F) and maxing out at 13°C (56°F). Precipitation is slightly higher in May, with 79 mm (3.1 in) over 13 days, compared to January's 61 mm (2.4 in) over 11 days. Humidity levels in January are also higher at 88%, compared to 80% in May. For more detailed information on January conditions, you can refer to Blaenavon weather in January.

When comparing May and February weather, May typically presents a broader temperature range with a minimum of 0°C (32°F), averaging 12°C (53°F), and peaking at 26°C (78°F). In contrast, February showcases colder conditions, with temperatures dipping to a minimum of -5°C (22°F), an average of 6°C (42°F), and a maximum of 17°C (62°F). Both months experience considerable precipitation, with May receiving 79 mm (3.1 in) across 13 days and February slightly wetter at 84 mm (3.3 in) over 14 days. Additionally, February's humidity is a touch higher at 88%, compared to May's 80%. For more detailed insights, check out Blaenavon weather in February.

In comparing the weather of March and May, it is clear that May sees a considerable increase in temperatures, with a minimum of 0°C (32°F) and an average of 12°C (53°F) compared to March's colder minimum of -7°C (20°F) and average of 7°C (44°F). May also experiences a warmer maximum temperature of 26°C (78°F), while March peaks at 20°C (68°F). Precipitation levels are relatively high in both months, with May receiving 79 mm (3.1 in) over 13 days and March slightly higher at 88 mm (3.5 in) over 15 days. Humidity remains comparable, with May at 80% and March slightly higher at 86%. For more specific details about March weather, you can visit Blaenavon weather in March.

In comparing the weather of May and April, it’s clear that May is generally warmer and wetter. The minimum temperature in May is 0°C (32°F), compared to April's colder minimum of -3°C (27°F), while the average temperature rises to 12°C (53°F) from April's average of 9°C (48°F). May also sees higher maximum temperatures, reaching 26°C (78°F) compared to April's high of 22°C (73°F). However, May experiences more precipitation, with 79 mm (3.1 in) over 13 days, while April records 58 mm (2.3 in) over just 9 days. Interestingly, humidity remains relatively high in both months, at 80% in May and 84% in April. For a more detailed look at April's conditions, check out Blaenavon weather in April.

In May, temperatures start to rise, with a minimum of 0°C (32°F) and an average of 12°C (53°F), reaching a maximum of 26°C (78°F). The month sees approximately 79 mm (3.1 in) of precipitation over 13 days, coupled with a consistent humidity of 80%. Conversely, June brings slightly warmer weather, with minimum temperatures of 6°C (43°F) and an average of 15°C (60°F), peaking at 29°C (85°F). The precipitation remains similar at 82 mm (3.2 in) over the same number of days, with humidity levels still at 80%. For more detailed weather information, you can visit Blaenavon weather in June.

May and July showcase distinct differences in weather patterns. In May, temperatures range from a chilly 0°C (32°F) at night to a pleasant 26°C (78°F) during the day, with an average of 12°C (53°F). The month experiences ample rainfall, accumulating 79 mm (3.1 in) over 13 days, and the humidity levels are relatively high at 80%. In contrast, July enjoys milder nighttime lows of 7°C (45°F) and warmer daytime highs of 29°C (85°F), producing an average temperature of 17°C (63°F). Precipitation decreases to 73 mm (2.9 in) across 11 days, with humidity dropping to 70%. For a more detailed weather comparison, you can check out Blaenavon weather in July.

May and August exhibit distinct weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a chilly 0°C (32°F) to a comfortable 26°C (78°F), with an average of 12°C (53°F). The month is characterized by higher humidity at 80% and significant precipitation of 79 mm (3.1 in) over 13 days. In contrast, August sees warmer temperatures, with a minimum of 6°C (44°F), an average of 16°C (61°F), and a maximum reaching 30°C (87°F). While August has slightly more precipitation at 84 mm (3.3 in) over 12 days, the humidity drops to 73%. For more detailed insights, you can check Blaenavon weather in August.

May and September both offer mild weather, but with some distinct differences. In May, temperatures range from a chilly 0°C (32°F) at night to a warm 26°C (78°F) during the day, averaging around 12°C (53°F). It tends to be wetter in May, with a total precipitation of 79 mm (3.1 in) over 13 days, and humidity levels are high at 80%. In contrast, September features slightly warmer nights with a minimum of 3°C (37°F) and daytime highs reaching 28°C (83°F), averaging 14°C (57°F). Rainfall decreases to 63 mm (2.5 in) spread over 10 days, and humidity levels drop slightly to 79%. For more information on September weather, you can check Blaenavon weather in September.

May and October present distinctly different weather patterns. In May, temperatures typically range from a minimum of 0°C (32°F) to a maximum of 26°C (78°F), with an average temperature of 12°C (53°F). The month sees a moderate amount of rainfall, with about 79 mm (3.1 in) falling over 13 days, combined with a humidity level of 80%. Conversely, October experiences slightly cooler temperatures, with a minimum of -1°C (30°F), an average of 11°C (52°F), and a maximum of 22°C (72°F). This month tends to be wetter, with precipitation totaling 111 mm (4.4 in) over 14 days, and the humidity rises to 89%. For more detailed information about the October weather in Blaenavon, refer to this link: Blaenavon weather in October.

In May, temperatures in Blaenavon range from a chilly 0°C (32°F) at night to a warm 26°C (78°F) during the day, with an average of 12°C (53°F). The month sees about 79 mm (3.1 in) of precipitation spread across 13 days and a humidity level of around 80%. In contrast, November experiences cooler temperatures, ranging from a minimum of -3°C (27°F) to a maximum of 16°C (61°F), with an average of 8°C (46°F). Precipitation slightly increases to 84 mm (3.3 in), occurring on about 14 days, and humidity rises to 90%. For more detailed information, check out Blaenavon weather in November.

In May, temperatures in Blaenavon range from a chilly 0°C (32°F) at night to a warm 26°C (78°F) during the day, with an average of 12°C (53°F). This month sees about 79 mm (3.1 in) of precipitation spread over 13 days, accompanied by a relatively high humidity of 80%. In contrast, December brings much colder weather, with temperatures dipping as low as -8°C (17°F) and peaking at 13°C (56°F), averaging 6°C (43°F). Precipitation increases to 108 mm (4.3 in) over 16 days, and humidity rises to 89%. For a more detailed look at December weather, visit Blaenavon weather in December.

Compare Blaenavon's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Blaenavon

As May unfolds in Blaenavon, it brings a delightful blend of warming temperatures and varied precipitation. With maximum highs reaching pleasant levels, the month stands out as a significant transition from the colder days of previous months, inviting outdoor activities and the blooming of vibrant landscapes. However, the 13 rainy days remind us that spring can be unpredictable, balancing sunshine with refreshing showers. The high humidity further enhances the lush, green scenery that characterizes this time of year, making it a unique experience in contrast to the drier, colder months. For a deeper dive into seasonal variations, check out Blaenavon Climate.