May Weather in Coleraine, United Kingdom

Last updated: March 17, 2025

May in Coleraine, United Kingdom, brings a blend of mild temperatures and a touch of dampness, making it a quintessential spring month. The maximum temperature peaks at 16°C (61°F), while the average hovers around 10°C (50°F), and the minimum dips to 5°C (41°F). With 72 mm (2.9 in) of precipitation spread across 13 days, residents experience a good amount of rain, contributing to the region's characteristic lush greenery. The month is marked by a relatively high humidity level of 82%, fostering a fresh atmosphere that encapsulates the season's vibrant vitality.

May Temperature in Coleraine

In May, Coleraine begins to shake off the lingering chill of spring, with temperatures showing a notable rise. The month greets residents and visitors alike with a minimum temperature of 5°C (41°F) and an average of 10°C (50°F), peaking at a pleasant 16°C (61°F). This month's warmth marks a gentle transition into the summer, reflected in the steady climb evident from earlier months, where averages hovered around the 7°C (45°F) mark. As nature blooms and days grow longer, May beautifully heralds the more comfortable temperatures ahead, making it an ideal time for outdoor activities and exploration of the scenic surroundings.

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

The chart illustrates May temperature patterns in Coleraine, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec454444465054575856534946
Data source: Temperature data for Coleraine 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 Coleraine

May in Coleraine brings a moderate 72 mm (2.9 in) of rain over approximately 13 days, marking a transition from the drier spells of April. The month experiences a subtle uptick in precipitation, hinting at the impending summer showers, yet remains significantly lighter when compared to the wetter months ahead, like August and October, which often see rainfall exceeding 140 mm. As spring unfolds, the frequency of rain shows a gradual increase, setting the stage for the lush greenery typical of the region in the warmer months. Overall, May's weather serves as a balanced prelude, blending existing spring showers with the promise of a vibrant summer landscape.

May Precipitation Trends in Coleraine

The chart displays monthly precipitation patterns in Coleraine, 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.
JanFebMarAprMayJunJulAugSepOctNovDec1091321125573105110146117161156166
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Coleraine

As spring transitions into summer, May in Coleraine offers a breath of fresh air with a slight dip in humidity to 82%. This reduction from the earlier months provides a welcome relief, setting a more comfortable atmosphere for outdoor activities. The trend of decreasing humidity through April (85%) to May is a brief respite before levels rise again in June (84%) and remain moderately high throughout the summer months. Whether you’re soaking in late spring blooms or preparing for the upcoming summer heat, May's humidity makes it an ideal time to enjoy Coleraine's charms without feeling overly weighed down by dampness.

May Average Humidity in Coleraine

This chart illustrates the average monthly humidity levels in Coleraine, 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.
JanFebMarAprMayJunJulAugSepOctNovDec87%86%86%85%82%84%86%86%88%89%90%87%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Coleraine

In May, Coleraine experiences a notable shift in its UV Index, rising to 6, which signifies a high exposure category and a reduced burn time of just 25 minutes. This marks a significant increase from the moderate UV levels observed in April. As the days grow longer and warmer, residents and visitors alike should be aware of the need for sun protection, particularly as the season progresses toward the very high levels seen in June and July. To stay informed and safe, check out the detailed insights provided at Coleraine UV Index.

Maximum UV Index Levels in Coleraine for May

The chart shows the monthly maximum UV Index (UVI) for Coleraine 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.
JanFebMarAprMayJunJulAugSepOctNovDec123568865321
Data source: Coleraine 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 Coleraine

In Coleraine, United Kingdom, May truly shines as the pinnacle of sunshine hours, boasting an impressive 405 hours. This month marks a remarkable transition from the low light of January, which sees only 72 hours, gradually building up to spring. As winter fades, February and March each offer significantly more sunshine, with 146 and 207 hours respectively, but it’s April when the sun really starts to stretch its rays with 319 hours. Following this upward trend, May stands out as a delightful peak before summer, where sunshine slightly dips in June and July to 389 and 404 hours. As the seasons shift, the vibrant summer days eventually taper off, leading to shorter, gloomier months. However, the brilliance of May remains a cherished highlight for local residents and visitors alike.

Monthly Sunshine Duration in Coleraine: May Highlighted

The May sunshine duration represents the total number of hours Coleraine 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.
JanFebMarAprMayJunJulAugSepOctNovDec72h146h207h319h405h389h404h357h283h224h117h81h
Data source: Coleraine May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Coleraine During May

In Coleraine, United Kingdom, the likelihood of sunny weather in May shows a notable trend compared to the months preceding it. With a 36% chance of sunshine, May stands out as a bright spot in the spring, following the promising 43% in April that hints at a gradual warming trend. While earlier months like March lagged at only 15%, and June dips to 22%, May captures the transition towards sunnier days, making it one of the more favorable months for enjoying the outdoors. This trend underscores the significance of late spring as a key time to relish the sun before the summer months settle in.

Percentage of Sunny Days in May in Coleraine

The chart illustrates the percentage of sunny days in Coleraine 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 Coleraine experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec23%25%15%43%36%22%24%20%23%16%16%14%
Data source: Coleraine May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Coleraine in May

As spring blossoms into summer, May in Coleraine shines with 16 hours of daylight, marking a peak in the region's seasonal brightness. This increase from 14 hours in April not only enhances outdoor activities but also signals a significant shift toward longer days that began with only 7 hours in January. The gradual extension of daylight throughout the year underscores a captivating transformation: from the cozy, short days of winter to the vibrant, sunlit hours of late spring and summer. Following May, June takes the lead with 17 hours, before daylight begins to wane again in July. This trend of increasing and then gently decreasing daylight captures the essence of Coleraine’s transitional seasons, inviting residents and visitors alike to revel in the longer, warmer days.

Average Daylight Hours in Coleraine for May

The chart illustrates the variation in daylight duration in Coleraine throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec7h 49m9h 40m11h 53m14h 10m16h 11m17h 17m16h 41m14h 51m12h 39m10h 24m8h 21m7h 13m
Data source: Coleraine daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Coleraine

As May unfolds in Coleraine, the average wind speed settles at a moderate 6.2 m/s (14 mph), marking a slight uptick from the more tranquil April. This gentle breeze provides a refreshing backdrop for the blossoming spring scenery. Looking back, February boasted the strongest winds at 10.5 m/s (23 mph), while the summer months beckon calmer conditions, with July reaching a serene low of 3.8 m/s (8 mph). Interestingly, the trend shows that as the year advances towards summer, winds tend to subside, with May serving as a transitional phase. This mild wind pattern enhances the charm of Coleraine in late spring, inviting both locals and visitors to relish the invigorating air before the stillness of summer settles in.

Average May Wind Speed in Coleraine

The chart displays monthly wind speed patterns in Coleraine, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.810.57.55.96.2 m/s5.73.84.55.57.79.38.3
Data source: Coleraine May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Coleraine Compares to Other Months

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

When comparing the weather in May and January, we see notable differences in temperature and precipitation patterns. May tends to be milder, with average temperatures ranging from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), while January is cooler, with temperatures averaging between 2°C (36°F) and 13°C (56°F). Additionally, January experiences more precipitation, totaling 109 mm (4.3 in) over 17 days compared to May's 72 mm (2.9 in) over 13 days. This results in January's humidity being slightly higher at 87%, compared to May's 82%. For a closer look at January weather specifically, visit Coleraine weather in January.

When comparing the weather in May to that in February, notable differences emerge. May enjoys milder temperatures, with averages around 10°C (50°F), while February is cooler, averaging only 7°C (44°F). Precipitation is also affected, with May experiencing 72 mm (2.9 in) over 13 days compared to February's heavier rainfall of 132 mm (5.2 in) over 18 days. Additionally, humidity levels are slightly lower in May at 82%, compared to February’s 86%. For more detailed insights on February weather, you can explore Coleraine weather in February.

In comparing the weather between March and May, we can observe notable differences in temperature and precipitation. May generally experiences milder temperatures, with a minimum of 5°C (41°F), an average of 10°C (50°F), and a maximum of 16°C (61°F). In contrast, March sees cooler conditions, with a minimum of -1°C (31°F), an average of 7°C (45°F), and a maximum of only 12°C (54°F).

Furthermore, May has lower precipitation, totaling 72 mm (2.9 in) over 13 days, compared to March's 112 mm (4.4 in) across 18 days of rain. This results in slightly less humidity in May at 82% compared to March's 86%. For a more detailed look, you can check Coleraine weather in March.

In comparing the weather of May and April, May experiences slightly warmer temperatures, with a minimum of 5°C (41°F), an average of 10°C (50°F), and a maximum of 16°C (61°F). In contrast, April records temperatures ranging from a minimum of 2°C (36°F) to a maximum of 13°C (56°F), making it generally cooler than May. Additionally, May sees an increase in total precipitation, measuring 72 mm (2.9 in) over 13 days, while April has 55 mm (2.2 in) across 12 days. Humidity remains high in both months, with May at 82% and April slightly higher at 85%. For a more detailed look at April weather, you can visit Coleraine weather in April.

May and June showcase a gradual warming trend, with June generally being warmer and wetter than May. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), with an average of 10°C (50°F) and a total precipitation of 72 mm (2.9 in) over 13 days. In contrast, June sees a slight rise in temperatures, with minimums of 8°C (47°F), averaging 12°C (54°F), and maxing out at 17°C (62°F). However, June is also wetter, receiving 105 mm (4.1 in) of precipitation across 17 days and a marginal increase in humidity to 84%. For a detailed look at the weather conditions, you can visit Coleraine weather in June.

In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), with an average of 10°C (50°F). The month experiences relatively high humidity at 82% and sees about 72 mm (2.9 in) of precipitation across 13 days. In contrast, July presents a warmer climate, with temperatures starting at 11°C (52°F) and reaching a maximum of 19°C (67°F), averaging around 14°C (57°F). It also tends to be wetter, with precipitation totaling 110 mm (4.3 in) over 17 days and a slight increase in humidity to 86%. For more detailed insights on July weather, you can visit Coleraine weather in July.

May and August present contrasting weather patterns. In May, temperatures range from a chilly minimum of 5°C (41°F) to a maximum of 16°C (61°F), with an average of 10°C (50°F). The month sees about 72 mm (2.9 in) of precipitation over 13 days, and humidity levels are relatively high at 82%. In contrast, August experiences milder warmth, with temperatures ranging from a minimum of 11°C (52°F) to a maximum of 18°C (66°F), averaging 14°C (58°F). However, it is also wetter, with approximately 146 mm (5.7 in) of rainfall spread across 20 days and slightly higher humidity at 86%. For a closer look at what to expect during this summer month, check out Coleraine weather in August.

May and September present contrasting weather patterns. In May, temperatures range from a cool minimum of 5°C (41°F) to a comfortable maximum of 16°C (61°F), with an average of 10°C (50°F). The month experiences about 72 mm (2.9 in) of precipitation over 13 days, coupled with a humidity level of 82%. In contrast, September is slightly warmer, featuring temperatures from a minimum of 9°C (49°F) to a maximum of 17°C (64°F), with an average of 14°C (57°F). However, September is wetter, recording 117 mm (4.6 in) of rainfall over 20 days and slightly higher humidity at 88%. For more details, you can check out Coleraine weather in September.

May and October share similar maximum temperatures, both peaking around 16°C (61°F), but October tends to be slightly warmer on average at 12°C (53°F) compared to May's 10°C (50°F). However, October experiences significantly higher precipitation, with 161 mm (6.3 in) over 24 days, while May sees only 72 mm (2.9 in) across 13 days. Additionally, October's humidity is higher at 89%, compared to May's 82%, contributing to a more damp and humid atmosphere. For a detailed look at October conditions, check out Coleraine weather in October.

May and November present distinct weather patterns, with May generally being milder and less rainy. In May, temperatures range from a minimum of 5°C (41°F) to a maximum of 16°C (61°F), with an average temperature of 10°C (50°F) and total precipitation of 72 mm (2.9 in) over about 13 days. In contrast, November sees slightly cooler temperatures, ranging from a minimum of 4°C (40°F) to a maximum of 14°C (58°F), with an average of 9°C (49°F). The month is also wetter, accumulating 156 mm (6.2 in) of rain across 23 days and featuring higher humidity at 90%. This contrast highlights how November can feel more dreary and consistently wet compared to the brighter, if still damp, days of May. For further details, check out Coleraine weather in November.

May and December present quite contrasting weather conditions. In May, temperatures range from a minimum of 5°C (41°F) to a comfortable maximum of 16°C (61°F), with an average of 10°C (50°F). While it is relatively mild, the month sees about 72 mm (2.9 in) of precipitation over approximately 13 days, accompanied by a humidity level of 82%. In contrast, December experiences cooler temperatures, with a minimum of 2°C (35°F) and a maximum of 12°C (54°F), averaging at 8°C (46°F). This month is significantly wetter, receiving 166 mm (6.5 in) of rain over about 23 days, along with a slightly higher humidity of 86%. For more detailed insights, check out Coleraine weather in December.

Compare Coleraine's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Coleraine

As May unfolds in Coleraine, the weather marks a transition into milder conditions, showcasing a delightful blend of warmth and moisture. With temperatures grazing a maximum of 16°C (61°F), this month stands out when compared to the cooler earlier spring days, inviting residents and visitors alike to embrace the outdoors. The average temperature of 10°C (50°F) signals a comforting shift, although the chilly nights at 5°C (41°F) remind us that warmth is still budding. Humidity levels hover around 82%, lending a lush vibrancy to the landscape, while nearly half of the month brings rain, totaling 72 mm (2.9 in) over the 13 rainy days. Such atmospheric conditions not only enhance the region's greenery but also set the stage for blooming gardens and a more vibrant natural environment. To dive deeper into Coleraine's climate trends, explore Coleraine Climate.