May Weather in St Austell, United Kingdom

Last updated: March 17, 2025

In May, St Austell experiences a mild climate, characterized by a maximum temperature reaching 22°C (72°F) and an average of 12°C (54°F). With minimum temperatures dipping to 4°C (39°F), the month brings a refreshing variety to the local atmosphere. However, residents should prepare for some rainfall, as May typically sees 77 mm (3.0 in) of precipitation over approximately 12 days. The air remains humid, averaging around 80%, contributing to a lush, vibrant environment that defines this charming coastal town.

May Temperature in St Austell

In May, St Austell experiences a delightful transition into warmer weather, with temperatures gradually rising from a minimum of 4°C (39°F) to a pleasant maximum of 22°C (72°F). This month marks a significant increase compared to the cooler spring months, showcasing an average of 12°C (54°F), indicating the onset of the mild summer climate. As the chill of winter fades, it’s a perfect time for outdoor activities, as May often brings longer daylight hours and blossoming vegetation, making the scenery even more inviting. The upward trend in temperatures not only highlights the welcoming nature of the season but also signals a vibrant shift in the local atmosphere, perfect for exploring the beautiful surroundings of this charming town.

May Weather in St Austell: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in St Austell, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454647505459636259555048
Data source: Temperature data for St Austell 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 St Austell

In May, St Austell experiences a moderate level of precipitation, with 77 mm (3.0 in) of rain spread over 12 days. This slight increase from April's 52 mm aligns with a general trend of rising rainfall as spring transitions into summer. Notably, May's precipitation serves as a precursor to the heavier rainfalls observed in June and October, where amounts soar to 85 mm and 118 mm, respectively. The consistent reshuffling of wet days throughout the month emphasizes the area's unpredictable weather, making it a unique springtime experience in the United Kingdom. Overall, May is characterized by a balance of sunshine interspersed with refreshing showers, nurturing the verdant landscapes for which the region is renowned.

May Precipitation Trends in St Austell

The chart displays monthly precipitation patterns in St Austell, 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.
JanFebMarAprMayJunJulAugSepOctNovDec68918852778575716811898121
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in St Austell

In May, St Austell experiences a noticeable drop in humidity, settling at 80% compared to the higher levels of earlier months. This decrease marks a transition towards drier summer months, as the humidity remains consistent at 80% in June. Following the spring bloom, residents can enjoy the milder conditions that come with this reduction, contrasting sharply with the 88% humidity seen in January and February. As temperatures rise and summer approaches, the shift from the wetter winter months provides a refreshing reprieve, laying the groundwork for the sunnier, drier days ahead.

May Average Humidity in St Austell

This chart illustrates the average monthly humidity levels in St Austell, 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 St Austell

As May arrives in St Austell, the UV Index climbs to 7, indicating a high level of sun exposure risk. This uptick follows the gradual increase from March's moderate index of 4 and highlights a significant shift as spring progresses towards summer. With a burn time of just 25 minutes, it's crucial for residents and visitors alike to take precautions when enjoying the outdoors. This trend of rising UV levels continues into June, where it peaks at 9—a very high category demanding even greater sun safety measures. As you bask in the warming rays, be mindful of the increasing UV intensity this month and stay protected. For more details, check the St Austell UV Index.

Maximum UV Index Levels in St Austell for May

The chart shows the monthly maximum UV Index (UVI) for St Austell 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.
JanFebMarAprMayJunJulAugSepOctNovDec224679876421
Data source: St Austell 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 St Austell

In St Austell, May heralds the arrival of long, sun-drenched days, boasting an impressive 408 hours of sunshine—the highest of the year. This radiant month follows a steady upward trajectory from January's mere 94 hours, showcasing a remarkable shift as spring unfolds. By the time summer rolls in, the trend continues, with June and July holding their own in terms of brightness, yet they don't quite surpass the enchanting late spring sunlight. As the year progresses into the autumn months, sunshine hours gradually decline, dipping to 328 hours in September and further to a modest 152 hours in November. This seasonal ebb and flow highlights May as a pivotal moment when nature's vibrancy peaks, inviting both locals and visitors to soak up the warmth before the shorter days of winter set in.

Monthly Sunshine Duration in St Austell: May Highlighted

The May sunshine duration represents the total number of hours St Austell 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.
JanFebMarAprMayJunJulAugSepOctNovDec94h159h235h355h408h406h426h389h328h261h152h118h
Data source: St Austell May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in St Austell During May

In St Austell, the month of May presents a 34% chance of sunny weather, a notable dip compared to the previous month, April, which enjoys a brighter 52% likelihood. This trend indicates a slight decline in sunshine as spring transitions into summer, diverging from the upward trajectory typically seen during earlier spring months. While May does not offer the sunniest days of the year, it is still a comparatively pleasant time with more opportunities for sun than in the winter months, where chances hover around a mere 25%. As the season progresses, St Austell gradually welcomes brighter days, making May a hopeful yet slightly uncertain month for sunshine lovers.

Percentage of Sunny Days in May in St Austell

The chart illustrates the percentage of sunny days in St Austell 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 St Austell experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec25%24%34%52%34%27%37%29%32%26%24%18%
Data source: St Austell May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in St Austell in May

As spring transitions into summer, St Austell experiences a remarkable increase in daylight duration. Starting with a modest 8 hours of light in January, the days gradually lengthen, reaching 15 hours by May. This steady climb continues into June, where daylight peaks at an impressive 16 hours. The warmth of summer days shines brightly, allowing for leisurely outdoor activities and vibrant community life. However, as July slips into August, a gentle decline brings daylight back to 14 hours, eventually tapering off to 12 hours in September. This gradual shift reminds us of nature's rhythm, leading into the shorter days of autumn and winter, where daylight dips back to 8 hours by December. Each month paints a picture of shifting seasons, celebrating the longer, sunlit days of spring and summer in this charming coastal town.

Average Daylight Hours in St Austell for May

The chart illustrates the variation in daylight duration in St Austell throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 33m10h 3m11h 55m13h 49m15h 28m16h 20m15h 52m14h 23m12h 33m10h 40m8h 58m8h 5m
Data source: St Austell daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in St Austell

In May, St Austell experiences a delicate balance of breezy conditions, with an average wind speed of 5.9 m/s (13 mph). As spring transitions to summer, this slight uptick from April's 4.6 m/s (10 mph) hints at the lively yet comfortable atmosphere typical of the month. Unlike earlier months, where February peaked at a brisk 7.1 m/s (16 mph), May's winds remain affable, inviting both locals and visitors to enjoy the outdoors. The trend of moderate winds looks promising for outdoor enthusiasts, making it an ideal time to explore the stunning Cornish coast or engage in outdoor activities amid the blossoming scenery. The gentle breeze is not only refreshing but also sets the stage for pleasant experiences throughout late spring in this scenic part of the UK.

Average May Wind Speed in St Austell

The chart displays monthly wind speed patterns in St Austell, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5.87.15.64.65.9 m/s4.04.54.64.45.64.86.9
Data source: St Austell May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in St Austell Compares to Other Months

The weather in St Austell 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 St Austell and find detailed weather information for every month.

May and January present distinct contrasts in weather patterns. In May, temperatures range from a brisk 4°C (39°F) at night to a pleasant 22°C (72°F) during the day, with average temperatures hitting around 12°C (54°F). The month experiences about 77 mm (3.0 in) of precipitation over approximately 12 days, accompanied by a humidity level of 80%. In contrast, January tends to be cooler, with minimum temperatures dropping to -1°C (31°F) and daytime highs reaching only 14°C (58°F), resulting in an average of 7°C (46°F). It witnesses slightly less rainfall at 68 mm (2.7 in), over 11 days, but higher humidity at 88%. For a more detailed overview of January weather, check out St Austell weather in January.

May and February present contrasting weather patterns in St Austell. In May, temperatures range from a cool 4°C (39°F) in the early morning to a pleasant maximum of 22°C (72°F) during the day, averaging 12°C (54°F). The month experiences about 77 mm (3.0 in) of precipitation over approximately 12 days, accompanied by a humidity level of 80%. In contrast, February is much chillier, with temperatures dipping to a minimum of -2°C (28°F) and peaking at 14°C (57°F), averaging 8°C (46°F). Precipitation in February is slightly higher at 91 mm (3.6 in) spread over 15 days, with humidity also a bit more pronounced at 88%. For more detailed insights, you can check St Austell weather in February.

In comparing the weather of March and May, one can see a notable transition as spring progresses into early summer. March often starts off chilly, with average temperatures ranging from a low of -4°C (25°F) to a high of 15°C (60°F), alongside relatively high humidity at 86% and 88 mm of precipitation over 16 days. In contrast, May experiences milder temperatures, with a minimum of 4°C (39°F) and a maximum of 22°C (72°F), while also displaying a moderate drop in humidity to 80% and slightly less precipitation at 77 mm over 12 days. This shift signifies a warming trend and decreased rain, leading to more pleasant weather conditions as the month unfolds. For a more detailed look at March weather, you can check St Austell weather in March.

In comparing the weather between April and May, we see a notable increase in both temperature and precipitation. May typically experiences a minimum temperature of 4°C (39°F) and an average of 12°C (54°F), while April's temperatures range from a minimum of 2°C (35°F) to an average of 10°C (50°F). Maximum temperatures in May also rise to 22°C (72°F), surpassing April's high of 20°C (68°F). Additionally, May records more precipitation at 77 mm (3.0 in) over 12 days, compared to April's 52 mm (2.0 in) over 8 days. While humidity levels are slightly lower in May at 80%, they remain relatively high. For a closer look at April's weather specifics, visit St Austell weather in April.

In comparing the weather between May and June, we see a notable transition in temperatures and precipitation. May's temperatures range from a minimum of 4°C (39°F) to a maximum of 22°C (72°F), with an average of 12°C (54°F). The month experiences 77 mm (3.0 in) of precipitation over 12 days, maintaining a consistent humidity level of 80%. In contrast, June brings warmer conditions, with minimum temperatures rising to 8°C (47°F) and maximums reaching 26°C (80°F), averaging at 15°C (59°F). Precipitation slightly increases to 85 mm (3.3 in) over 13 days, yet humidity remains steady at 80%. For further details, you can check St Austell weather in June.

May and July present distinct weather contrasts. In May, temperatures range from a cool minimum of 4°C (39°F) to a pleasant maximum of 22°C (72°F), with an average temperature of 12°C (54°F). The month tends to be quite humid, with an 80% humidity level, and experiences about 77 mm (3.0 in) of precipitation over 12 days. In contrast, July offers a warmer climate, with temperatures varying from a minimum of 10°C (50°F) to a maximum of 26°C (79°F), resulting in an average of 17°C (63°F). While July's precipitation is slightly lower at 75 mm (3.0 in) over 11 days, it boasts a more comfortable humidity level at 70%. For more insights on July weather, check out St Austell weather in July.

May and August showcase notable differences in weather patterns. In May, temperatures range from a cool minimum of 4°C (39°F) to a pleasant maximum of 22°C (72°F), with an average temperature of 12°C (54°F). The month is characterized by higher humidity at 80% and 77 mm (3.0 in) of precipitation over 12 days. In contrast, August experiences milder conditions, with minimum temperatures of 10°C (51°F), an average of 17°C (62°F), and a maximum of 24°C (75°F). The level of precipitation decreases slightly to 71 mm (2.8 in), while humidity also drops to 73%. For more details on the weather during August, you can visit St Austell weather in August.

In May, the weather is characterized by cooler temperatures, with minimums around 4°C (39°F) and maximums reaching up to 22°C (72°F). The month experiences an average temperature of 12°C (54°F) and a relatively high humidity of 80%, along with 77 mm (3.0 in) of precipitation over about 12 days.

In contrast, September offers a slightly warmer climate, with minimum temperatures increasing to 8°C (46°F) and maximums peaking at 24°C (76°F). The average temperature rises to 15°C (60°F), and the month sees a bit less rain, with 68 mm (2.7 in) falling over roughly 11 days and a similar humidity level of 79%. For a closer look at what to expect, check out St Austell weather in September.

May and October present quite different weather experiences. In May, temperatures range from a minimum of 4°C (39°F) to a maximum of 22°C (72°F), with an average of 12°C (54°F). The month sees about 77 mm (3.0 in) of precipitation over 12 days, accompanied by a relatively comfortable humidity of 80%. In contrast, October has a slightly cooler minimum temperature of 2°C (35°F) and a lower maximum of 19°C (67°F), but the average remains comparable at 13°C (55°F). Additionally, October experiences higher rainfall, totaling 118 mm (4.7 in) across 15 days, along with increased humidity at 89%. For a detailed look at October's weather, you can check St Austell weather in October.

May and November present distinct weather contrasts. In May, temperatures range from a minimum of 4°C (39°F) to a pleasant maximum of 22°C (72°F), with an average of 12°C (54°F). The month sees about 77 mm (3.0 in) of precipitation over approximately 12 days, along with a humidity level of 80%. Conversely, November experiences cooler temperatures, with minimums of 2°C (37°F) and a maximum of 16°C (61°F), averaging around 10°C (50°F). This month is wetter, recording 98 mm (3.9 in) of rainfall over about 15 days, and the humidity rises to 90%. For more details about November weather, check out St Austell weather in November.

May and December present contrasting weather patterns. In May, temperatures range from a minimum of 4°C (39°F) to a pleasant maximum of 22°C (72°F), with an average around 12°C (54°F). The month experiences around 77 mm (3.0 in) of precipitation over approximately 12 days, accompanied by a humidity level of 80%. In contrast, December features cooler temperatures, with a minimum of 1°C (35°F) and a maximum of 14°C (58°F), averaging at 9°C (48°F). This month sees a higher level of precipitation at 120 mm (4.7 in), spread across 19 days, and humidity intensifies to 89%. For more insights about December weather in St Austell, you can check St Austell weather in December.

Compare St Austell's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in St Austell

In May, St Austell experiences a delightful transition into warmer days, with temperatures peaking at a pleasant 22°C (72°F), offering a stark contrast to the cooler months that precede it. While the average temperature hovers around 12°C (54°F), the chill of early spring gives way to a budding sense of summer. However, it's not without its share of rain, as the month boasts about 77 mm of precipitation over approximately 12 days, contributing to an overall humidity level of 80%. This blend of warmth and moisture invigorates the lush landscapes of the region, making May a particularly vibrant time to explore. For a deeper understanding of the climate throughout the year, visit St Austell Climate.