May Weather in Callander, United Kingdom

Last updated: March 17, 2025

In May, Callander, United Kingdom, experiences a delightful mix of weather, with temperatures ranging from a maximum of 24°C (76°F) to a minimum of -2°C (28°F), leading to an average temperature of 10°C (50°F). The month is characterized by high humidity levels of 82%, which can enhance the perception of warmth during sunny days. Despite the pleasant temperatures, residents and visitors should be prepared for precipitation, as 85 mm (3.4 in) of rain falls over approximately 14 days, reminding everyone of the unpredictable nature of spring.

May Temperature in Callander

As spring transitions into summer, May in Callander, United Kingdom unveils a refreshing climate that marks a significant shift from the lingering chill of earlier months. With minimum temperatures of -2°C (28°F) and an average soaring to 10°C (50°F), residents and visitors alike can finally shed their winter layers and embrace the warmth. The month boasts a comforting maximum of 24°C (76°F), making it one of the most delightful times of the year to explore the great outdoors. This increase in temperature not only signifies a break from the frost but also heralds the blossoming of nature, inviting all to partake in the vivid scenery that May has to offer. As daylight hours extend and the sun shines more frequently, it’s a perfect time to enjoy the lush landscapes and vibrant festivities that Callander presents.

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

The chart illustrates May temperature patterns in Callander, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec383840445055585653484239
Data source: Temperature data for Callander 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 Callander

May in Callander, United Kingdom, brings a moderate shift in precipitation, with an average of 85 mm (3.4 in) over approximately 14 days. This marks a notable increase from the relatively dry April, which saw just 54 mm of rain. While May's rainfall is less than the heavier precipitation months of February and March, it aligns closely with the wetter summer months that follow. The trend indicates a gradual uptick in rainfall as the year progresses, suggesting that the lush greenery of spring begins to thrive under this gentle, yet persistent, May drizzle. As the days lengthen and the temperatures rise, residents can expect a mix of sunshine and those characteristically cloudy, rainy days typical of the British landscape.

May Precipitation Trends in Callander

The chart displays monthly precipitation patterns in Callander, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1011781385485118109144110162139138
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Callander

In May, Callander enjoys a notable dip in humidity, averaging around 82%, which marks a gradual decline from the winter months. This transition from the colder seasons sees values dropping steadily from 89% in January to 84% by April. Although May experiences less moisture in the air, the humidity levels are set to rise again in June, showing a pattern of fluctuation as summer approaches. The overall trend highlights how spring in Callander brings a refreshing change, making May a particularly pleasant month as the landscape blossoms under more moderate humidity levels.

May Average Humidity in Callander

This chart illustrates the average monthly humidity levels in Callander, 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%82%84%86%86%90%91%92%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Callander

In May, Callander experiences a notable increase in UV Index, reaching a value of 6, which categorizes exposure as high. This shift indicates a heightened need for sun protection, as the burn time shortens to just 25 minutes. Building on the trends from previous months, where UV exposure moved from low in January and February to moderate by March and April, May marks a significant leap into the high category, paving the way for the even more intense levels seen in June and July. As outdoor activities become more prevalent with the warming weather, it is crucial for residents and visitors alike to remain vigilant and protect their skin. For more detailed information about UV levels throughout the year, check out the Callander UV Index.

Maximum UV Index Levels in Callander for May

The chart shows the monthly maximum UV Index (UVI) for Callander 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568865311
Data source: Callander 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 Callander

May in Callander, United Kingdom, shines brilliantly with an impressive 371 hours of sunlight, marking a peak in the region's yearly sunshine hours. This vibrant month stands out among its spring predecessors, as the sun transitions from a mere 63 hours in January to a blossoming 313 hours in April. Following the delightful glow of May, the sunny trend sustains itself into June and July, each boasting the same rich 371 hours, allowing residents and visitors alike to fully embrace the beauty of the longer days. As summer wanes into the autumn months, sunshine begins to diminish, dropping to 260 hours in September and further declining to 186 hours by October. The consistent rise through spring into summer highlights Callander's transformation into a sunlit haven, inviting outdoor adventures and cherished moments.

Monthly Sunshine Duration in Callander: May Highlighted

The May sunshine duration represents the total number of hours Callander 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.
JanFebMarAprMayJunJulAugSepOctNovDec63h112h166h313h371h371h372h330h260h186h98h59h
Data source: Callander May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Callander During May

In Callander, United Kingdom, the likelihood of sunny weather in May stands at 23%, reflecting a seasonal pattern typical of spring. As temperatures begin to warm, the region experiences an increase in sunshine compared to the early months of the year, with April boasting a more promising 43% chance of sunny days. However, May's sunlight probability appears to stabilize, aligning with trends seen in both July and the preceding month of April. This suggests that while May can offer sporadic sunny moments, it remains susceptible to the variability often characteristic of the UK's weather, making it wise to keep an umbrella handy even as spring unfolds.

Percentage of Sunny Days in May in Callander

The chart illustrates the percentage of sunny days in Callander 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 Callander experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec24%19%16%43%23%19%23%19%14%15%24%13%
Data source: Callander May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Callander in May

As spring blossoms into summer, May in Callander, United Kingdom, brings a delightful increase in daylight hours, reaching an impressive 16 hours of bright sunshine. This is a significant jump from the 14 hours seen in April, marking a clear trend of extending daylight that peaks in June with 17 hours. Following May, the days gradually shorten, with July reflecting a subtle decrease to 16 hours, before transitioning back into the shorter daylight months of August and September. The transition from the darker days of winter, where January offers just 7 hours of daylight, to the vibrant light of May reflects nature's cyclical rhythm, inviting residents to embrace the longer, brighter days ahead.

Average Daylight Hours in Callander for May

The chart illustrates the variation in daylight duration in Callander throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 37m9h 34m11h 53m14h 16m16h 23m17h 33m16h 55m14h 59m12h 41m10h 19m8h 10m6h 59m
Data source: Callander daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Callander

In May, the wind in Callander, United Kingdom, typically settles into a gentle rhythm with an average speed of 3.0 m/s (7 mph). This slight uptick from April's 2.6 m/s (6 mph) indicates a modest return of vigor as spring advances. As the month unfolds, May often brings a refreshing breeze, contrasting with the more robust gusts seen earlier in the year like February's 4.6 m/s (10 mph). Overall, the wind trends throughout the year show a pattern of mild variability, with the summer months tending toward calmer conditions, particularly in July and August where speeds dip to 2.0 m/s (5 mph). This blend of gentle winds offers a pleasant backdrop for outdoor adventures, enhancing the charm of Callander's picturesque landscapes.

Average May Wind Speed in Callander

The chart displays monthly wind speed patterns in Callander, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.84.63.82.63.0 m/s3.12.02.32.83.63.93.0
Data source: Callander May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Callander Compares to Other Months

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

May and January present strikingly different weather patterns. In May, temperatures range from a chilly -2°C (28°F) to a pleasantly warm 24°C (76°F), with an average of 10°C (50°F). This month experiences 85 mm (3.4 in) of precipitation over 14 days and has a humidity level of 82%. Conversely, January is significantly colder, with temperatures ranging from -11°C (12°F) to a maximum of 12°C (54°F) and an average of just 3°C (38°F). It sees slightly more precipitation at 101 mm (4.0 in) across 13 days, with humidity peaking at 89%. For more detailed insights, check out Callander weather in January.

When comparing the weather in May to February, it becomes evident that May generally offers milder temperatures and less precipitation. In May, temperatures range from a minimum of -2°C (28°F) to a pleasant maximum of 24°C (76°F), averaging around 10°C (50°F). In contrast, February’s temperatures are notably colder, with a low of -12°C (10°F) and a high of 13°C (55°F), averaging at just 3°C (38°F). Additionally, February experiences more rainfall, totaling 178 mm (7.0 in) over 18 days, while May sees only 85 mm (3.4 in) across 14 days, although the humidity remains high in both months, with February at 88% and May at 82%. For a more detailed overview of February weather, please visit Callander weather in February.

When comparing the weather in May and March, it's evident that May tends to be milder and more pleasant. May boasts a minimum temperature of -2°C (28°F) and an average of 10°C (50°F), reaching a maximum of 24°C (76°F). In contrast, March experiences lower temperatures, with a minimum of -6°C (21°F), an average of 5°C (41°F), and a maximum of 16°C (61°F). In terms of precipitation, March is wetter with 138 mm (5.4 in) over 18 days, compared to May's 85 mm (3.4 in) spread across 14 days. Both months have high humidity, but March is slightly higher at 86%, compared to May’s 82%. For a detailed look at March's climate, visit Callander weather in March.

In comparing the weather of May and April, May emerges as a warmer month with an average temperature of 10°C (50°F) compared to April's 7°C (44°F). While April has a slightly lower minimum temperature of -5°C (23°F), May's minimum temperature is a milder -2°C (28°F). Both months exhibit similar maximum temperatures, with April reaching 21°C (69°F) and May peaking at 24°C (76°F). Precipitation in May increases to 85 mm (3.4 in) over 14 days, compared to April’s 54 mm (2.1 in) over 11 days, indicating that May can be wetter despite its warmer climate. Additionally, humidity levels remain high in both months, with April at 84% and May at 82%. For more details on April weather, you can check Callander weather in April.

May and June exhibit notable differences in weather patterns. In May, temperatures range from a minimum of -2°C (28°F) to a maximum of 24°C (76°F), with an average of 10°C (50°F). Precipitation is moderate at 85 mm (3.4 in) across 14 days, and humidity stands at 82%. In contrast, June experiences warmer conditions, with temperatures fluctuating between a minimum of 2°C (36°F) and a maximum of 28°C (82°F), averaging 13°C (55°F). However, June also records higher precipitation at 118 mm (4.6 in) over 17 days, coupled with slightly increased humidity at 84%. For more details, you can check Callander weather in June.

May and July present distinctly different weather patterns. In May, temperatures range from a chilly minimum of -2°C (28°F) to an average of 10°C (50°F), peaking at a warm 24°C (76°F). The month receives about 85 mm (3.4 in) of precipitation over 14 days, with humidity levels sitting at 82%. In contrast, July experiences slightly warmer temperatures, with a minimum of 5°C (42°F), an average of 14°C (58°F), and a maximum of 27°C (81°F). Rainfall increases to 109 mm (4.3 in) across 17 days, accompanied by a slight rise in humidity to 86%. For more detailed insights into July weather, check out Callander weather in July.

May and August present distinct weather characteristics, with May experiencing cooler temperatures, ranging from a low of -2°C (28°F) to a pleasant average of 10°C (50°F), peaking at 24°C (76°F). In contrast, August offers milder conditions, with a minimum of 5°C (40°F), an average of 14°C (57°F), and a maximum similar to May at 24°C (75°F). Precipitation is greater in August, totaling 144 mm (5.7 in) over 20 days, compared to May's 85 mm (3.4 in) over 14 days. The humidity also slightly increases in August, reaching 86% in comparison to May's 82%. For more detailed insights into the weather during this month, you can check Callander weather in August.

In May, temperatures begin to warm up with daily averages around 10°C (50°F), reaching highs of 24°C (76°F), while experiencing lower nighttime temperatures that can drop to -2°C (28°F). The month also sees moderate precipitation at 85 mm (3.4 in) over approximately 14 days, with humidity levels averaging 82%.

Conversely, September brings slightly cooler temperatures, with an average of 12°C (53°F) and highs similar to May at 24°C (75°F). However, it can also get chillier at night, with minimum temperatures dropping to -3°C (26°F). The fall month experiences more rainfall, with 110 mm (4.3 in) over 16 days and higher humidity at 90%. For more detailed information, you can check Callander weather in September.

May and October present distinct weather profiles, showcasing the transition from spring to autumn. In May, temperatures range from a minimum of -2°C (28°F) to a pleasant average of 10°C (50°F), peaking at 24°C (76°F) on warmer days. The month experiences approximately 85 mm (3.4 in) of precipitation over about 14 days, with humidity levels around 82%. Conversely, October sees slightly cooler temperatures, with a minimum of -3°C (28°F) and an average of 9°C (48°F), while maximum temperatures only reach 17°C (64°F). This month is notably wetter, receiving 162 mm (6.4 in) of precipitation across 19 days, coupled with increased humidity at 91%. For a deeper insight into October's weather patterns, you can refer to Callander weather in October.

May and November present contrasting weather patterns. In May, temperatures range from a low of -2°C (28°F) to a comfortable high of 24°C (76°F), with an average temperature of 10°C (50°F). The month sees about 85 mm (3.4 in) of precipitation over approximately 14 days and carries a humidity level of 82%. In contrast, November is much cooler, with temperatures dipping further from a low of -4°C (25°F) to a peak of just 13°C (56°F), averaging 6°C (42°F). This month experiences increased precipitation of 139 mm (5.5 in) across about 18 days and a higher humidity of 92%. For more details on November weather, visit Callander weather in November.

May and December exhibit distinct weather patterns, reflecting the transition from spring to winter. In May, temperatures range significantly from a chilly minimum of -2°C (28°F) to a pleasant average of 10°C (50°F) and a maximum of 24°C (76°F). This month experiences about 85 mm (3.4 in) of precipitation over approximately 14 days, paired with a humidity level of 82%. In contrast, December’s temperatures are cooler, with a minimum of -7°C (20°F), an average of 4°C (39°F), and a maximum of 11°C (53°F). It also brings more precipitation, totaling 138 mm (5.4 in) across 18 days, and a higher humidity of 88%. For more detailed information, you can check Callander weather in December.

Compare Callander's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Callander

May in Callander ushers in a refreshing shift from the colder months, as temperatures rise and the landscape begins to bloom. Although chilly nights can still dip close to freezing, daytime warmth often reaches a pleasant maximum, inviting residents and visitors alike to enjoy the burgeoning outdoors. While rain is not uncommon, with nearly half the month seeing some precipitation, this moisture is essential for the vibrant spring growth. The increased humidity of 82% can make the air feel quite lush, contributing to a distinctive freshness in the atmosphere. For a detailed look at the climate throughout the year, visit Callander Climate.