May Weather in Ullapool, United Kingdom

Last updated: March 17, 2025

May in Ullapool, United Kingdom, showcases a delightful mix of spring weather, with temperatures ranging from a refreshing minimum of 0°C (32°F) to a cozy maximum of 23°C (73°F). The average temperature hovers around 9°C (49°F), making it a comfortable month for outdoor activities. However, residents and visitors should be prepared for frequent rain, as 91 mm (3.6 in) of precipitation is spread over 18 days, resulting in an 82% humidity level that adds to the lush, green surroundings of this picturesque coastal town. Embrace the charm of Ullapool in May while keeping an umbrella handy!

May Temperature in Ullapool

In May, Ullapool experiences a delightful transition into warmer weather, with temperatures marking a noticeable upward trend. The month kicks off with a minimum temperature of 0°C (32°F), perfect for those just starting to shake off winter's chill. As the days progress, the average temperature rises to a comfortable 9°C (49°F), and by the time the month wraps up, the maximum can reach a pleasant 23°C (73°F). This increase not only invites locals and visitors to embrace outdoor activities but also showcases the beauty of the stunning Scottish landscape in full bloom. With each passing week, the promise of sunnier days ahead becomes unmistakable, making May a charming time to explore Ullapool's breathtaking surroundings.

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

The chart illustrates May temperature patterns in Ullapool, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec414041444953565653494441
Data source: Temperature data for Ullapool 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 Ullapool

In May, Ullapool experiences a moderate level of precipitation, accumulating around 91 mm (3.6 in) over approximately 18 days of rain. This amount is a slight increase from the previous month's 83 mm (3.3 in), suggesting a seasonal shift as spring unfolds into early summer. While May is certainly wetter than April, it holds a comfortable spot in the overall annual precipitation trend, standing between the drier spring months and the significantly wetter summer and autumn seasons. This pattern hints at a gradual ramp-up towards the more intense rainfall characteristic of the coming months, underscoring Ullapool's distinct maritime climate. As spring gives way to summer, residents and visitors alike can expect the lushness of the landscape to thrive under the frequent showers.

May Precipitation Trends in Ullapool

The chart displays monthly precipitation patterns in Ullapool, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1521291448391101119128165211163176
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Ullapool

As spring transitions into summer, May in Ullapool, United Kingdom, experiences a slight dip in humidity, averaging 82%. This marks the lowest humidity level of the year, suggesting a brief respite before the warmer months bring rising moisture levels back. While January to April display relatively consistent humidity around the mid-80s, May offers a refreshing change, providing a more comfortable atmosphere for outdoor activities. However, this drop is short-lived, as humidity levels rise again in June and continue to climb, peaking in August and September, where they reach 88% and 89%, respectively. This trend illustrates Ullapool's characteristic maritime climate, where the breathable May air paves the way for the lush, vibrant summers that follow.

May Average Humidity in Ullapool

This chart illustrates the average monthly humidity levels in Ullapool, 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.
JanFebMarAprMayJunJulAugSepOctNovDec86%85%85%84%82%84%88%88%89%90%90%86%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Ullapool

In May, Ullapool experiences a notable shift in its UV Index, reaching a level of 6, which falls into the high exposure category. This increase signifies a change from the earlier, more moderate readings in April, where the UV Index was only 5. With a reduced burn time of just 25 minutes, it's essential for residents and visitors alike to take precautions against sun exposure. As summer approaches, Ullapool transitions into a season where protective measures become increasingly important, emphasizing the need for sunscreen and protective clothing. To learn more about the UV trends throughout the year, visit Ullapool UV Index.

Maximum UV Index Levels in Ullapool for May

The chart shows the monthly maximum UV Index (UVI) for Ullapool 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.
JanFebMarAprMayJunJulAugSepOctNovDec123567765311
Data source: Ullapool 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 Ullapool

As the days grow longer, May in Ullapool bursts forth with radiant sunshine, offering an impressive 381 hours of sunlight. This month marks a significant leap from the earlier months, particularly from January's sparse 58 hours and even February's 141 hours. The trend continues upward, peaking just slightly below June's 382 hours, which indicates that summer is fast approaching and the community can bask in nearly unwavering daylight. April sets the stage for this sunny ascent with 323 hours, showcasing the gradual transition into a vibrant spring. As summer draws near, it’s clear that Ullapool welcomes May with open arms, inviting both locals and visitors to revel in the bright skies and blossoming landscapes.

Monthly Sunshine Duration in Ullapool: May Highlighted

The May sunshine duration represents the total number of hours Ullapool 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.
JanFebMarAprMayJunJulAugSepOctNovDec58h141h201h323h381h382h379h357h273h202h111h73h
Data source: Ullapool May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Ullapool During May

In Ullapool, United Kingdom, the likelihood of sunny weather in May stands at 24%, a modest increase from the earlier months of the year. While April enjoys a peak at 37%, the transition into May reflects a slight dip in sunshine chances. Following May, the summer months of June and July see a further decline, with probabilities of 21% and 19%, respectively. This trend suggests that while May offers a fair chance of sun—comparable to January and March—it may not herald the sun-drenched days typically anticipated as summer arrives. Therefore, while May can gift some sunny spells, it’s wise to prepare for a range of weather experiences as the season unfolds.

Percentage of Sunny Days in May in Ullapool

The chart illustrates the percentage of sunny days in Ullapool 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 Ullapool experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%35%16%38%24%21%19%18%16%15%15%19%
Data source: Ullapool May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Ullapool in May

As spring transitions into summer in Ullapool, the daylight duration undergoes a remarkable transformation. Starting with a modest 7 hours in January, daylight steadily increases to 16 hours by May, offering ample time for outdoor activities and exploration. This rising trend continues into June, peaking at 18 hours before gradually tapering off in the subsequent months. By August, daylight begins to decline, settling at 15 hours, and continuing to decrease until the year closes with just 7 hours in November. This vibrant cycle of light not only marks the changing seasons but also enriches the community's embrace of nature's beauty throughout the year.

Average Daylight Hours in Ullapool for May

The chart illustrates the variation in daylight duration in Ullapool throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 17m9h 23m11h 52m14h 25m16h 43m18h17h 18m15h 11m12h 43m10h 13m7h 53m6h 35m
Data source: Ullapool daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Ullapool

In May, Ullapool experiences a gentle breeze, with an average wind speed of 3.7 m/s (8 mph), marking one of the year's calmer months. Following the brisk winds of February and November, which both flirt with 6.8 m/s (15 mph), May's softness contrasts notably with the gusty early spring and late autumn. This decline is reflected further in April's average of 4.1 m/s (9 mph), suggesting a trend toward serene conditions as summer approaches. As the days grow longer and the weather warms, the winds continue to mellow, paving the way for pleasant outdoor activities against the stunning backdrop of Ullapool’s scenic coast.

Average May Wind Speed in Ullapool

The chart displays monthly wind speed patterns in Ullapool, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.76.85.74.13.7 m/s4.53.03.34.45.76.85.2
Data source: Ullapool May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Ullapool Compares to Other Months

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

May and January present distinctly different weather patterns. In May, temperatures generally range from a minimum of 0°C (32°F) to a maximum of 23°C (73°F), with an average of 9°C (49°F). The month sees a total precipitation of 91 mm (3.6 in) spread over 18 days, accompanied by a relatively high humidity of 82%. In contrast, January is colder, with temperatures ranging from a minimum of -3°C (27°F) to a maximum of 13°C (55°F) and an average temperature of 5°C (41°F). Precipitation is greater in January, reaching 152 mm (6.0 in) over the same number of rainy days, but with slightly higher humidity at 86%. For more detailed weather information, visit Ullapool weather in January.

May and February offer distinct contrasts in weather, showcasing the transition from winter to spring. In May, temperatures range from a chilly 0°C (32°F) at night to a pleasant high of 23°C (73°F), with an average of 9°C (49°F). This month experiences 91 mm (3.6 in) of precipitation over 18 days, and humidity hovers around 82%. In contrast, February brings colder conditions, with temperatures dipping as low as -8°C (18°F), averaging 4°C (40°F) and peaking at 13°C (56°F). It has a higher precipitation level of 129 mm (5.1 in) across 19 days and slightly more humidity at 85%. For more details on February's weather, check out Ullapool weather in February.

In May, the weather transitions into a milder and more pleasant climate compared to March. The minimum temperature rises to 0°C (32°F) with an average of 9°C (49°F) and a maximum of 23°C (73°F), making outdoor activities more enjoyable. In contrast, March is cooler, with minimum temperatures of -4°C (26°F) and average highs reaching only 15°C (60°F). Moreover, May experiences less precipitation at 91 mm (3.6 in) over 18 days, while March is wetter with 144 mm (5.7 in) of rainfall across 22 days. Humidity levels are also slightly lower in May at 82%, compared to March's 85%. For more detailed information on March weather, you can check Ullapool weather in March.

In comparing the weather of April and May, we see that May tends to be slightly warmer, with average temperatures rising from 7°C (45°F) in April to 9°C (49°F) in May. While both months experience notable rainfall, May has a bit more precipitation at 91 mm (3.6 in) over 18 days compared to April's 83 mm (3.3 in) over 16 days. Humidity levels are fairly consistent between the two months, with April at 84% and May at 82%. For more detailed information, you can check the Ullapool weather in April.

In comparing the weather between May and June, we see a noticeable warming trend as spring transitions into summer. May has a minimum temperature of 0°C (32°F) and an average of 9°C (49°F), while June starts warmer, with a minimum of 3°C (38°F) and an average of 12°C (54°F). Although June has a slightly lower maximum temperature of 21°C (70°F) compared to May's 23°C (73°F), it brings a bit more precipitation, with 101 mm (4.0 in) falling over 19 days compared to May's 91 mm (3.6 in) over 18 days. Humidity also rises slightly from 82% in May to 84% in June, contributing to a more humid atmosphere as summer approaches. For detailed information on June weather specifically in Ullapool, you can refer to Ullapool weather in June.

May and July both exhibit distinct weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a chilly minimum of 0°C (32°F) to a pleasant maximum of 23°C (73°F), with an average of 9°C (49°F). The month is characterized by significant rainfall, with 91 mm (3.6 in) of precipitation spread over 18 days, accompanied by high humidity at 82%.

In contrast, July sees a more temperate climate, with minimum temperatures rising to 6°C (44°F) and maximums reaching 25°C (78°F), averaging around 13°C (57°F). Precipitation increases slightly to 119 mm (4.7 in) over 21 days, while humidity also rises to 87%, creating a muggy feel. For a more detailed look at July weather, you can check out Ullapool weather in July.

In May, temperatures in Ullapool range from a chilly 0°C (32°F) at night to a pleasant 23°C (73°F) during the day, with an average of 9°C (49°F). The month sees around 91 mm (3.6 in) of precipitation over 18 days, accompanied by high humidity levels of 82%. In contrast, August experiences milder minimum temperatures of 7°C (44°F) and a slightly lower maximum of 22°C (72°F), leading to an average temperature of 13°C (56°F). However, it is a wetter month, with 128 mm (5.0 in) of rainfall across 21 days and even higher humidity at 88%. For more detailed information, you can check Ullapool weather in August.

May and September exhibit distinct weather patterns, highlighting the transition from late spring to early autumn. In May, temperatures range from a chilly 0°C (32°F) at night to a pleasant 23°C (73°F) during the day, with an average of 9°C (49°F). Precipitation is moderate, totaling 91 mm (3.6 in) over 18 days, and humidity hovers around 82%. In contrast, September shows a slight increase in nighttime temperatures, with lows of 3°C (37°F) and a daytime maximum of 20°C (68°F), averaging 12°C (54°F). However, this month also experiences higher rainfall, accumulating 165 mm (6.5 in) across 22 days, and a little more humidity at 89%. For more details on the weather specifics in September, refer to Ullapool weather in September.

In May, temperatures in Ullapool range from a chilly 0°C (32°F) at night to a pleasant 23°C (73°F) during the day, with an average temperature of 9°C (49°F). The month sees around 91 mm (3.6 in) of precipitation spread over 18 days, with humidity levels at a comfortable 82%. In contrast, October brings cooler temperatures, with minimums of 1°C (35°F) and a maximum of 17°C (62°F), maintaining the same average of 9°C (49°F). However, October experiences significantly higher precipitation at 211 mm (8.3 in) over 25 days and a higher humidity level of 89%. For a more detailed outlook, check the link: Ullapool weather in October.

May and November exhibit distinct differences in weather patterns. May typically enjoys milder temperatures, with averages around 9°C (49°F) and maximums reaching 23°C (73°F), whereas November is cooler, featuring an average of 7°C (45°F) and maximums of only 14°C (57°F). Additionally, precipitation levels are higher in November, with 163 mm (6.4 in) spread over 22 days, compared to May's 91 mm (3.6 in) over 18 days. Humidity is also slightly elevated in November at 90%, compared to May's 82%. For more detailed information, you can check Ullapool weather in November.

In May, temperatures in Ullapool typically range from a minimum of 0°C (32°F) to a maximum of 23°C (73°F), with an average of 9°C (49°F). The month experiences relatively less precipitation at 91 mm (3.6 in) over 18 days, coupled with a humidity level of 82%. In contrast, December brings colder conditions, with temperatures varying from -4°C (25°F) to a maximum of 13°C (55°F), and a lower average of 5°C (42°F). The winter month also sees higher precipitation, totaling 176 mm (6.9 in) over 24 days, while humidity rises slightly to 86%. For more detailed information, you can check out Ullapool weather in December.

Compare Ullapool's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Ullapool

As May unfolds in Ullapool, it brings a notable shift in weather compared to the preceding months. With temperatures gradually rising, the average climbs to a refreshing 9°C (49°F), offering a pleasant escape from winter's chill, though minimums can still dip to 0°C (32°F). This month also sees an increase in daylight, inviting locals and visitors alike to embrace outdoor activities. However, be prepared for frequent showers, as May boasts 18 precipitation days and accumulates about 91 mm (3.6 in) of rain, complemented by a humidity level of 82%. For a more in-depth understanding of Ullapool's weather patterns, check out Ullapool Climate.