May Weather in Fort William, United Kingdom

Last updated: March 17, 2025

Experience the vibrant May weather in Fort William, United Kingdom, where temperatures can reach a maximum of 24°C (76°F), offering a pleasant contrast to the average of 9°C (49°F). However, don't let the warmth fool you; the month can start off chilly with a minimum dipping to -3°C (28°F). May is characterized by 99 mm (3.9 in) of rainfall across 16 days, contributing to the region’s lush landscapes. With humidity levels averaging 82%, the air feels rich and invigorating, making it a perfect time for outdoor adventures amidst breathtaking scenery.

May Temperature in Fort William

In May, Fort William, United Kingdom, ushers in a refreshing transition with temperatures that herald the onset of summer. The minimum temperature hovers around a crisp -3°C (28°F), while the average climbs to a pleasant 9°C (49°F), peaking at a delightful 24°C (76°F) on warmer days. This notable rise in temperature from the cooler months of April signals a significant change, as the town shakes off winter's chill. With the average indicating a steady increase throughout spring, May offers an inviting environment for outdoor enthusiasts and nature lovers looking to explore the stunning landscapes of the Scottish Highlands.

May Weather in Fort William: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Fort William, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec373739434854575552464138
Data source: Temperature data for Fort William 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 Fort William

In May, Fort William experiences a moderate precipitation total of 99 mm (3.9 in), which reflects a slight increase from the notably drier conditions of April, where only 74 mm (2.9 in) fell. With about 16 days of rain, May continues the trend of relatively consistent rainfall seen throughout the spring, bridging the gap between the drier months and the wetter season ahead. This transition sets the stage for the arrival of summer rains, as June typically brings higher precipitation levels again, illustrating Fort William's characteristic maritime climate. The increase in rainfall from April to May marks a shift towards the lush greenery that the region is known for, as longer days and warmer temperatures invite the blooms of late spring.

May Precipitation Trends in Fort William

The chart displays monthly precipitation patterns in Fort William, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1582101887499144128168176235171181
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Fort William

As May rolls into Fort William, the humidity begins to ease slightly, dipping to 82%—the lowest level seen so far this year. This subtle decline continues a trend of decreasing humidity from the earlier months, where it hovered in the mid-80s. However, just as the landscape starts to dry out, it’s important to note that the humidity will soon rise again, peaking during the summer months of July and August. Such fluctuations highlight Fort William's humid maritime climate, where the days may be warmer, but the moisture in the air has a significant presence throughout the year, ensuring that the lush greenery of the region remains vibrant and thriving.

May Average Humidity in Fort William

This chart illustrates the average monthly humidity levels in Fort William, 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 Fort William

As May rolls into Fort William, the UV Index reaches a noteworthy 6, indicating a high level of sun exposure. This marks a significant increase from the moderate levels seen in March and April, where the burn time was calculated at 30 minutes. With the sun's intensity rising, locals and visitors alike should be prepared to enjoy the outdoors while also being mindful of their skin; the burn time drops to just 25 minutes this month. This upward trend in UV exposure continues into June and July, which present even higher risks. For optimal sun safety and to plan your outdoor activities, visit the comprehensive Fort William UV Index for the latest updates.

Maximum UV Index Levels in Fort William for May

The chart shows the monthly maximum UV Index (UVI) for Fort William 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: Fort William 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 Fort William

In May, Fort William basks in an abundance of sunlight, recording a remarkable 348 hours of bright skies—a peak that showcases the transition into summer. This is a stunning contrast to the dim, winter months; January begins with just 50 hours, slowly increasing to an invigorating 298 hours by April. The trend of longer days carries through June and July, maintaining impressive totals around 340 hours, before gradually tapering off in late summer and autumn. The blossoming sunshine in May not only energizes the landscape but also invites locals and visitors alike to embrace the beauty of this enchanting area as it awakens from winter's slumber.

Monthly Sunshine Duration in Fort William: May Highlighted

The May sunshine duration represents the total number of hours Fort William 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.
JanFebMarAprMayJunJulAugSepOctNovDec50h107h150h298h348h342h340h306h238h175h93h48h
Data source: Fort William May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Fort William During May

In Fort William, the likelihood of sunny weather in May stands at 21%, a slight uptick from the preceding months but still below average for spring. April's significant boost to 40% showcases the potential for more sunshine as the seasons shift, yet May’s return to a more modest figure reflects the region's characteristic variability. Following the warmer months, June's chance of sun dips again to 19%, indicating that while May may offer some brighter days, it is an outlier amidst a generally overcast trend. This fluctuation highlights the unpredictability of Fort William's weather, making every sunny May day a cherished treasure.

Percentage of Sunny Days in May in Fort William

The chart illustrates the percentage of sunny days in Fort William 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 Fort William experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec17%17%11%40%21%19%18%21%12%10%14%9%
Data source: Fort William May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Fort William in May

As spring gives way to summer in Fort William, the transformation in daylight duration becomes increasingly evident. May sees a delightful leap, boasting 16 hours of sunlight, which marks a significant increase from the 14 hours experienced in April. This trend not only enhances outdoor activities but also invites a vibrant flourish in nature, encouraging both locals and visitors to bask in the longer days. Following closely, June and July extend this sun-soaked joy to 17 hours, showcasing the peak of daylight. However, as summer wanes into August, daylight begins its gradual decline, reminding us of the cyclical rhythm of the seasons, with September bringing a cozy 12 hours as autumn approaches. The ebb and flow of sunlight throughout the year illustrate the enchanting transformations that Fort William experiences, fostering a deep appreciation for each season's unique charm.

Average Daylight Hours in Fort William for May

The chart illustrates the variation in daylight duration in Fort William throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 31m9h 30m11h 53m14h 19m16h 30m17h 42m17h 3m15h 3m12h 41m10h 17m8h 5m6h 51m
Data source: Fort William daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Fort William

In May, Fort William experiences a gentle breeze with an average wind speed of 2.6 m/s (6 mph), slightly up from the spring months of April and March. This consistent wind pattern sets the stage for the vibrant outdoor activities that the region is known for, as temperatures rise and nature comes alive. As spring transitions into summer, the winds remain relatively mild, contrasting with the stronger gusts seen in late autumn. Notably, the month of July marks the calmest point in the year, where wind speeds dip to 1.8 m/s (4 mph), allowing for perfect conditions to embrace the stunning landscapes without the distraction of high winds. Overall, May remains a harmonious blend of fresh air and tranquil energy, making it an excellent time for exploration and enjoyment in this picturesque corner of the UK.

Average May Wind Speed in Fort William

The chart displays monthly wind speed patterns in Fort William, 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.
JanFebMarAprMayJunJulAugSepOctNovDec2.54.33.22.52.6 m/s2.81.82.12.63.13.42.7
Data source: Fort William May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Fort William Compares to Other Months

The weather in Fort William 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 Fort William and find detailed weather information for every month.

When comparing the weather in May and January, notable differences emerge. May enjoys milder temperatures, with an average of 9°C (49°F) and a maximum of 24°C (76°F), while January is much colder, averaging just 3°C (37°F) with a maximum of 11°C (53°F). Additionally, January experiences more significant precipitation, totaling 158 mm (6.2 in) over 16 days, compared to May's 99 mm (3.9 in). Humidity levels are slightly higher in January at 86%, compared to May's 82%. For more details on January weather in this location, you can refer to Fort William weather in January.

May and February present markedly different weather conditions. In May, temperatures range from a chilly -3°C (28°F) to a pleasant 24°C (76°F), averaging around 9°C (49°F), with a humidity level of 82%. Precipitation in May is 99 mm (3.9 in) over approximately 16 days. In contrast, February is much colder, with minimum temperatures of -13°C (9°F) and a maximum of 12°C (54°F), averaging 3°C (37°F). This month experiences higher precipitation at 210 mm (8.3 in) over 19 days, coupled with slightly higher humidity at 85%. For more details, check out Fort William weather in February.

When comparing the weather in May and March, we see a significant shift in temperatures and precipitation patterns. May boasts a milder average temperature of 9°C (49°F) with highs reaching up to 24°C (76°F), while March's average is chillier at 4°C (40°F) and peaks at 15°C (60°F). Precipitation is more pronounced in March, with 188 mm (7.4 in) over 21 days, compared to May's 99 mm (3.9 in) over 16 days. Additionally, March has slightly higher humidity at 85%, while May's humidity stands at 82%. For more detailed information, you can visit Fort William weather in March.

In comparing the weather between April and May, we can see a notable warming trend. May exhibits a minimum temperature of -3°C (28°F) and an average of 9°C (49°F), considerably warmer than April's minimum of -4°C (26°F) and average of 6°C (43°F). The maximum daily temperatures also rise, with May reaching up to 24°C (76°F) compared to April's top of 20°C (69°F). Precipitation is heavier in May, totaling 99 mm (3.9 in) over 16 days, whereas April sees 74 mm (2.9 in) across 15 days. Humidity remains relatively high in both months, with May at 82% and April slightly higher at 84%. For more detailed information, you can check Fort William weather in April.

In comparing the weather of May and June, June tends to be slightly warmer and wetter. May features a minimum temperature of -3°C (28°F) and an average of 9°C (49°F), reaching a maximum of 24°C (76°F), with a total precipitation of 99 mm (3.9 in) over 16 days at a humidity level of 82%. In contrast, June starts off at a minimum of 3°C (38°F) and has a higher average temperature of 12°C (54°F), peaking at a maximum of 26°C (79°F). While June experiences increased rainfall, totaling 144 mm (5.7 in) over 19 days, the humidity rises slightly to 84%. For more details, check out the Fort William weather in June.

May and July in Fort William present distinct weather patterns. In May, temperatures range from a chilly minimum of -3°C (28°F) to a pleasant maximum of 24°C (76°F), with an average temperature of 9°C (49°F). The month sees a total precipitation of 99 mm (3.9 in) over 16 days, accompanied by relatively high humidity at 82%. In contrast, July experiences milder temperatures, with a minimum of 5°C (41°F) and a maximum of 26°C (78°F), resulting in an average of 14°C (57°F). Rainfall increases in July to 128 mm (5.0 in) over 19 days, and humidity also rises slightly to 87%. For a closer look at weather specifics in July, visit Fort William weather in July.

May and August weather in Fort William show distinct differences, particularly in temperature and precipitation. In May, temperatures range from a chilly -3°C (28°F) to a pleasant maximum of 24°C (76°F), with an average of 9°C (49°F) and 99 mm (3.9 in) of rainfall over 16 days. The humidity is relatively high at 82%. In contrast, August experiences slightly warmer temperatures with a minimum of 5°C (41°F), an average of 13°C (56°F), and a maximum of 24°C (75°F). However, it also sees increased precipitation at 168 mm (6.6 in) across 22 days, accompanied by even higher humidity at 88%. For more details, check out Fort William weather in August.

When comparing the weather in May and September, we see notable differences in temperature and precipitation. May typically experiences a wider range of temperatures, with a minimum of -3°C (28°F) and a maximum of 24°C (76°F), leading to an average of 9°C (49°F). In contrast, September has slightly milder temperatures, with a minimum of -2°C (29°F), an average of 11°C (52°F), and a maximum of 23°C (73°F).

Precipitation levels are significantly higher in September, with 176 mm (6.9 in) of rainfall over 19 days, compared to May's 99 mm (3.9 in) over 16 days. Additionally, the humidity in September rises to 89%, making it feel more overcast compared to May’s humidity level of 82%. For more detailed insights, check out Fort William weather in September.

May and October present distinct weather patterns, showcasing the transition from spring to autumn. In May, temperatures range from a minimum of -3°C (28°F) to a pleasant maximum of 24°C (76°F), with an average of 9°C (49°F). The month experiences moderate precipitation of 99 mm (3.9 in) over 16 days, accompanied by a humidity level of 82%. Conversely, October features cooler temperatures, with a minimum of -3°C (27°F), a maximum of 17°C (62°F), and an average temperature dropping to 8°C (47°F). This month sees a significant increase in rainfall, totaling 235 mm (9.3 in) across 24 days, and higher humidity levels at 89%. The contrast between the milder, drier days of May and the wetter, cooler conditions of October is quite pronounced. For more specific details on October weather, you can check Fort William weather in October.

May and November exhibit notable differences in weather patterns. During May, temperatures range from a minimum of -3°C (28°F) to a maximum of 24°C (76°F), with an average of 9°C (49°F). The month experiences around 99 mm (3.9 in) of precipitation spread over 16 days, and humidity sits at 82%. In contrast, November sees cooler temperatures, with lows reaching -4°C (24°F) and highs peaking at 13°C (55°F) for an average of 5°C (41°F). This month tends to be wetter, accumulating 171 mm (6.7 in) of precipitation over 19 days, coupled with a higher humidity level of 90%. For a closer look at the weather specifics during this time, check out Fort William weather in November.

May and December present quite different weather patterns. In May, temperatures range from a chilly -3°C (28°F) at night to a pleasant max of 24°C (76°F) during the day, with an average of 9°C (49°F). The month is relatively wet, receiving 99 mm (3.9 in) of precipitation over 16 days, accompanied by a humidity level of 82%. In contrast, December is colder, with temperatures dipping between -9°C (17°F) and peaking at 11°C (52°F), and an average temperature of just 3°C (38°F). This month experiences heavier precipitation, totaling 181 mm (7.1 in) across 21 days, and slightly higher humidity at 86%. For those interested in exploring the conditions specifically during this month, you can check Fort William weather in December.

Compare Fort William's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Fort William

In May, Fort William emerges from the chill of spring as temperatures begin to rise, offering a refreshing contrast to the colder months. With a pleasant average of around 9°C, days can reach up to a maximum of 24°C, making it a delightful time for outdoor activities. However, the region does experience its fair share of rain, with 16 days recording precipitation, contributing to a significant humidity level of 82%. This blend of warmth and moisture makes May distinctively vibrant, setting the stage for the lush landscapes that define the Scottish Highlands. For a deeper dive into seasonal weather variations, explore the detailed insights at Fort William Climate.