May Weather in Stromness, United Kingdom

Last updated: March 17, 2025

Experience the climate of Stromness, United Kingdom in May, where temperatures gracefully fluctuate between a mild maximum of 14°C (57°F) and a cool minimum of 3°C (37°F). The month showcases an average temperature of around 8°C (48°F), perfect for those who enjoy a brisk coastal atmosphere. However, be prepared for some showers, as 61 mm (2.4 in) of rain can be expected over 14 days, contributing to an overall humidity level of 83%. Whether you're exploring the charming streets or the stunning landscapes, Stromness offers a refreshing May experience filled with the refreshing embrace of spring.

May Temperature in Stromness

In Stromness, United Kingdom, May marks a notable warming trend after the chill of early spring. With minimum temperatures averaging around 3°C (37°F) and climbing to a comfortable average of 8°C (48°F), the month serves as a bridge between the briskness of winter and the mildness of summer. Daytime highs reach 14°C (57°F), offering a pleasant respite for both locals and visitors as they enjoy the growing light and blooming scenery. This gradual increase from the preceding months signifies the transition to the warmer season, making May a delightful time to experience the charm of this coastal town. As the days grow longer, the mild weather invites exploration and leisure, setting the stage for summer adventures ahead.

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

The chart illustrates May temperature patterns in Stromness, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec444343444751545554514845
Data source: Temperature data for Stromness 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 Stromness

In May, Stromness experiences a moderate precipitation total of 61 mm (2.4 in), characteristic of late spring weather that begins to shift as summer approaches. This month sees approximately 14 rainy days, marking a slight increase from the drier month of April, which had 12 days of rain. While May’s precipitation is lower compared to the heavier rains of earlier months like January, February, and March, it serves as a reminder of the region's typical weather patterns. As the month progresses, the overall trend indicates a gradual decline in rainfall leading into June, highlighting the potential for more settled conditions in the upcoming summer months.

May Precipitation Trends in Stromness

The chart displays monthly precipitation patterns in Stromness, 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.
JanFebMarAprMayJunJulAugSepOctNovDec981051095361597373132168144117
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Stromness

In May, Stromness experiences a slight uptick in humidity, reaching 83%, which is a hint of the warmth and moisture that characterizes the coming summer months. Following a steady 81% in the previous four months, this increase marks the start of a trend toward higher humidity levels, peaking in July at an average of 87%. As the year progresses, the transition into the warmer months brings a noticeable rise in moisture, with August and September continuing this trend. This pattern highlights the maritime climate of the region, where humidity plays a significant role in the overall atmospheric experience, setting the stage for the lush landscapes and vibrant ecosystems that flourish in the lush surroundings of this charming coastal town.

May Average Humidity in Stromness

This chart illustrates the average monthly humidity levels in Stromness, 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.
JanFebMarAprMayJunJulAugSepOctNovDec82%81%81%81%83%84%87%86%88%87%87%80%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Stromness

As May arrives in Stromness, United Kingdom, the UV Index climbs to 5, indicating a moderate exposure level that warrants some sun safety precautions. This shift marks the transition from the lower indices of early spring, where January and February maintained a consistent UV Index of 1. As we move through the months, April also sees an increase to 4, setting the stage for May's rise. With a burn time of only 30 minutes during this month, it’s important to stay aware of the sun’s strength, especially as the summer months approach. By June, the UV Index escalates to 7, signaling high exposure risk. For more detailed information on how UV levels fluctuate throughout the year, be sure to check out Stromness UV Index.

Maximum UV Index Levels in Stromness for May

The chart shows the monthly maximum UV Index (UVI) for Stromness 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.
JanFebMarAprMayJunJulAugSepOctNovDec113457754311
Data source: Stromness 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 Stromness

In Stromness, United Kingdom, the arrival of May heralds a vibrant surge in sunshine, with residents enjoying a splendid 406 hours of daylight. This marks a significant increase from the 337 hours in April, laying the foundation for the peak of the sunny season in June, which boasts even more hours at 428. Such trends reveal a gradual ascent beginning in the winter months, where January struggles with a mere 55 hours before the spring months invigorate the landscape. The gradual increase peaks during the summer, before tapering off in the fall. With May acting as a delightful bridge between spring's awakening and summer's brilliance, it offers a perfect moment for outdoor exploration and the celebration of nature's beauty in this charming coastal town.

Monthly Sunshine Duration in Stromness: May Highlighted

The May sunshine duration represents the total number of hours Stromness 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.
JanFebMarAprMayJunJulAugSepOctNovDec55h141h204h337h406h428h413h384h288h209h94h74h
Data source: Stromness May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Stromness During May

In Stromness, United Kingdom, May sees a 27% chance of sunny weather, reflecting a pattern where the likelihood of sunshine is consistent with winter and spring months. Interestingly, this figure ties with January and falls short of the sunnier spells in February and April, which both reach 35%. As the year progresses into the summer months, the chances of sunshine tend to decline, with June at 26% and July plummeting to just 15%. Thus, while May offers a fair chance of sunny days, it’s essential to prepare for a mix of weather, as the region transitions into the cloudier summer months.

Percentage of Sunny Days in May in Stromness

The chart illustrates the percentage of sunny days in Stromness 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 Stromness experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec27%35%19%35%27%26%15%14%20%20%20%23%
Data source: Stromness May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Stromness in May

In Stromness, United Kingdom, May heralds a significant increase in daylight duration, with the sun gracing the skies for an impressive 16 hours. This pattern echoes the transition from the minimal 7 hours in January, gradually illuminating the longer days of spring. As the year proceeds, daylight peaks at 18 hours in June, then gently declines, offering 17 hours in July and tapering to 15 hours in August. This gradual shift showcases the enchanting rhythm of the seasons, culminating in the lush blooms of May while setting the stage for the warm summer days ahead. By the time autumn arrives, the daylight slips back to 12 hours in September, illustrating the cyclical nature of light that defines life in this northern coastal town.

Average Daylight Hours in Stromness for May

The chart illustrates the variation in daylight duration in Stromness throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 3m9h 16m11h 52m14h 31m16h 57m18h 20m17h 35m15h 20m12h 45m10h 8m7h 41m6h 18m
Data source: Stromness daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Stromness

In Stromness, United Kingdom, May brings a gentle breeze with an average wind speed of 6.2 m/s (14 mph), marking a noticeable decline from the blustery months of winter and early spring. As the year transitions, the winds typically peak in February at 10.1 m/s (23 mph) and remain relatively strong through March and November. However, May stands out as one of the calmer months before winds begin to pick up again in June and October. This gradual decrease in wind speed provides a tranquil setting, perfect for enjoying the beauty of spring while hinting at the robust gusts that will return later in the season.

Average May Wind Speed in Stromness

The chart displays monthly wind speed patterns in Stromness, 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.
JanFebMarAprMayJunJulAugSepOctNovDec8.610.18.87.66.2 m/s6.65.15.86.69.010.78.8
Data source: Stromness May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Stromness Compares to Other Months

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

When comparing May and January weather, May generally offers slightly warmer temperatures, with an average of 8°C (48°F) compared to January's average of 6°C (44°F). Though both months experience high humidity, May tends to be a bit more humid at 83%, while January sits at 82%. Precipitation is more pronounced in January, accumulating 98 mm (3.9 in) over 16 days, versus May's 61 mm (2.4 in) over 14 days. For a more detailed look at January weather specifically, you can check Stromness weather in January.

May typically sees more moderate temperatures compared to February, with average highs of 14°C (57°F) versus 11°C (52°F) in February. While February experiences slightly cooler minimum temperatures of 0°C (33°F) compared to May's 3°C (37°F), it also has higher precipitation levels, with 105 mm (4.1 in) compared to May's 61 mm (2.4 in), and more rainy days—19 in February versus 14 in May. Despite the greater rainfall in February, humidity levels are quite similar, with February at 81% and May at 83%. For more detailed information, visit Stromness weather in February.

When comparing the weather in May and March, it's clear that May generally offers milder temperatures, with a minimum of 3°C (37°F) and an average of 8°C (48°F), compared to March's minimum of -1°C (31°F) and average of 6°C (43°F). While May sees more pleasant temperatures, it also experiences slightly lower precipitation levels at 61 mm (2.4 in) across 14 days, compared to March's higher total of 109 mm (4.3 in) over 20 days. Humidity levels remain relatively high in both months, with May at 83% and March at 81%. For a more detailed look at March weather, you can visit Stromness weather in March.

In comparing the weather patterns of April and May, we can see a gradual shift towards warmer conditions. April features a minimum temperature of 0°C (32°F) and an average of 7°C (44°F), while May sees a slight increase, with minimum temperatures of 3°C (37°F) and an average of 8°C (48°F). The maximum temperatures also rise, with April peaking at 12°C (53°F) compared to May's 14°C (57°F).

Precipitation is fairly consistent between the two months, with April recording 53 mm (2.1 in) over 12 days, and May experiencing a bit more rain at 61 mm (2.4 in) over 14 days. Additionally, humidity levels are slightly higher in May at 83%, compared to 81% in April. For a more detailed look at April’s climate, you can refer to Stromness weather in April.

In comparing the weather between May and June, one can observe a gradual warming trend. May features a minimum temperature of 3°C (37°F) and an average of 8°C (48°F), while June starts with a higher minimum of 7°C (45°F) and an average of 11°C (52°F). Interestingly, both months have similar maximum temperatures, with May reaching 14°C (57°F) and June slightly higher at 14°C (58°F). Precipitation levels are quite close as well, with May recording 61 mm (2.4 in) over 14 days and June slightly lower at 59 mm (2.3 in) across 12 days. Humidity remains relatively stable, with May at 83% and June at 84%. For more detailed information, you can check Stromness weather in June.

In May, the weather tends to be cooler, with temperatures ranging from a minimum of 3°C (37°F) to a maximum of 14°C (57°F) and an average of 8°C (48°F). This month also sees significant rainfall, with 61 mm (2.4 in) spread over approximately 14 days, contributing to a humidity level of 83%. In contrast, July experiences milder temperatures, with a minimum of 9°C (49°F), an average of 12°C (55°F), and a maximum of 17°C (63°F). Precipitation is slightly higher in July at 73 mm (2.9 in) over 15 days, leading to a higher humidity of 87%. For a more detailed look at July weather specifics, check out Stromness weather in July.

In comparing the weather between May and August, it's clear that May tends to be cooler, with average temperatures ranging from a minimum of 3°C (37°F) to a maximum of 14°C (57°F), while August shows a milder range with minimum temperatures of 10°C (51°F) and a maximum of 16°C (61°F). May experiences more sunshine as well, with an average temperature of 8°C (48°F), compared to August's average of 13°C (56°F). However, August sees slightly higher precipitation at 73 mm (2.9 in) over 16 days compared to May's 61 mm (2.4 in) over 14 days, and both months maintain a high humidity level, with August slightly higher at 86%. For more details about weather specifics, you can check Stromness weather in August.

May and September present distinct weather patterns, illustrating the transition from spring to autumn. In May, temperatures range from a cool minimum of 3°C (37°F) to a comfortable maximum of 14°C (57°F), with an average of 8°C (48°F). The month sees moderate precipitation at 61 mm (2.4 in) across 14 days, accompanied by relatively high humidity at 83%. In contrast, September offers slightly warmer conditions, with temperatures starting at a minimum of 9°C (48°F) and peaking at 16°C (62°F), averaging 12°C (55°F). However, it experiences heavier rainfall, totaling 131 mm (5.2 in) over 19 days, and an increase in humidity to 88%. For a more detailed look at September weather, you can visit Stromness weather in September.

May and October present distinct weather patterns, marked by varying temperatures and precipitation levels. In May, temperatures range from a minimum of 3°C (37°F) to a maximum of 14°C (57°F), with an average of 8°C (48°F). The month sees about 61 mm (2.4 in) of precipitation over 14 days and a relatively high humidity of 83%. Conversely, October experiences slightly milder temperatures, with a minimum of 6°C (42°F) and a maximum of 15°C (59°F), averaging 11°C (51°F). However, October is significantly wetter, with 168 mm (6.6 in) of precipitation spread over 25 days and a humidity level that rises to 87%. For more detailed October weather insights, check out Stromness weather in October.

In May, temperatures range from a minimum of 3°C (37°F) to a maximum of 14°C (57°F), with an average of 8°C (48°F). The month sees about 61 mm (2.4 in) of precipitation over approximately 14 days, accompanied by a humidity level of around 83%. In contrast, November experiences similar minimum temperatures of 3°C (38°F) but has a slightly higher average of 9°C (48°F) and a maximum of 13°C (56°F). However, it is significantly wetter, with 144 mm (5.7 in) of rainfall spread over 23 days and higher humidity at 87%. For a more detailed look at November's weather, you can check Stromness weather in November.

When comparing the weather in May and December, both months display mild temperatures, yet December tends to be slightly cooler. In May, temperatures range from a minimum of 3°C (37°F) to a maximum of 14°C (57°F), with an average of 8°C (48°F). In contrast, December sees a more limited range, with temperatures fluctuating between 3°C (37°F) and 12°C (53°F), and an average of 7°C (45°F). Precipitation is also notably higher in December, with 117 mm (4.6 in) over 22 days, compared to May's 61 mm (2.4 in) over 14 days. Both months have high humidity levels, with December slightly lower at 80% compared to May's 83%. For a closer look at December weather specifics, you can visit Stromness weather in December.

Compare Stromness's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Stromness

As May rolls into Stromness, the weather begins to show promising signs of warmth and life compared to the chillier months that precede it. With average daily temperatures rising, days feel longer and more vibrant, despite the occasional rainfall that characterizes this time of year. Humidity levels reach about 83%, contributing to a brisk freshness in the air, while precipitation occurs on roughly half of the month’s days—a reminder that spring's transformation isn't without its showers. Overall, May captures a delightful blend of refreshing coolness and budding warmth, making it a transitional gem worth experiencing. For more insights into what to expect throughout the year, check out Stromness Climate.