May Weather in Dorchester, United Kingdom

Last updated: March 17, 2025

May in Dorchester, United Kingdom, showcases a delightful spectrum of weather, with maximum temperatures reaching a pleasant 24°C (75°F), while the average lingers around a cool 12°C (55°F). This month experiences a minimum temperature dipping to 1°C (34°F), providing a refreshing contrast. The area sees 73 mm (2.9 in) of precipitation spread across 12 days, contributing to lush greenery and vibrant blooms. With humidity levels hovering around 80%, May presents a charming mix of warmth and occasional showers, making it an ideal time for outdoor exploration amidst nature's beauty.

May Temperature in Dorchester

In May, temperatures in Dorchester, United Kingdom begin to warm up significantly, offering a delightful transition into late spring. The minimum temperature rises to a comfortable 1°C (34°F), while the average settles around 12°C (55°F), creating a pleasant backdrop for outdoor activities. On warm days, you can even feel the sun’s embrace with highs reaching up to 24°C (75°F), reminiscent of the approaching summer months. This trend of rising temperatures continues from April, where a notable improvement is evident, marking May as a month of blooming flowers and longer daylight hours, inviting residents and visitors to enjoy the natural beauty of the area.

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

The chart illustrates May temperature patterns in Dorchester, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec424446495461646359544845
Data source: Temperature data for Dorchester generated using information from the Copernicus Climate Change Service.
Choose your preferred temperature unit
The average of daily temperatures (24 hours) calculated across all days in the month.

May Precipitation in Dorchester

In May, Dorchester experiences a notable shift in precipitation patterns, mirroring the wet conditions of earlier spring months. The city records 73 mm (2.9 in) of rainfall over 12 days, maintaining a consistency seen in both March and April. This marks a significant contrast to the lighter rainfall of April, which recorded only 48 mm (1.9 in) across just 7 days. As the region transitions into late spring, May's precipitation levels align closely with the wettest months ahead—June and August, hinting at a trend of increased rainfall as the seasons change. Thus, while May offers some sunny breaks, residents should brace for the refreshing showers that enrich the lush landscapes of Dorchester.

May Precipitation Trends in Dorchester

The chart displays monthly precipitation patterns in Dorchester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec5164734873765378481066698
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Dorchester

As we transition into May in Dorchester, United Kingdom, humidity levels begin to show a welcome decline, settling at a comfortable 80%. This marks a gradual easing from the higher percentages seen in the earlier months of the year, where January and February exhibited a notably damp 88%. The trend shows a consistent decrease in humidity from winter through spring, moving from 88% in January to 84% in April, and now taking a further dip in May. Interestingly, this month’s humidity mirrors that of June, hinting at a shift toward warmer and drier conditions as the summer approaches. Overall, the trend suggests that while Dorchester often experiences high humidity in the winter and early spring, May offers a refreshing respite before the summer heat takes hold.

May Average Humidity in Dorchester

This chart illustrates the average monthly humidity levels in Dorchester, 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%80%80%70%73%79%89%90%89%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Dorchester

In May, Dorchester experiences a notable increase in the UV Index, reaching a moderate-high level of 7. With this elevated UV exposure, the burn time drops to just 25 minutes, emphasizing the need for sun protection during outdoor activities. This trend mirrors the steady rise seen since April, where the UV Index was already high at 6. As spring transitions into summer, it's crucial for residents and visitors to be mindful of the sun's intensity, especially since the levels will only climb higher in the upcoming months. For more details, check the Dorchester UV Index.

Maximum UV Index Levels in Dorchester for May

The chart shows the monthly maximum UV Index (UVI) for Dorchester 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.
JanFebMarAprMayJunJulAugSepOctNovDec224678876421
Data source: Dorchester 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 Dorchester

May brings a radiant peak of 402 hours of sunshine to Dorchester, United Kingdom, shining brightly as the month with the highest daylight. Following a steady ascent from 100 hours in January to 339 hours in April, the warmth of spring transitions into the vibrant energy of late spring. This upward trend of sunlight not only signifies longer days but also hints at the exhilaration of summer ahead. As June and July follow with 396 and 422 hours respectively, the sunshine continues to foster a sense of outdoor adventure and community spirit, making Dorchester a perfect place to bask in the beauty of nature. The gradual decline in sunlight hours in the later months, such as September's 317 hours and October's 251 hours, serves as a gentle reminder of the cyclical nature of the seasons, inviting residents to cherish the sun-drenched moments of May.

Monthly Sunshine Duration in Dorchester: May Highlighted

The May sunshine duration represents the total number of hours Dorchester 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.
JanFebMarAprMayJunJulAugSepOctNovDec100h147h215h339h402h396h422h382h317h251h153h115h
Data source: Dorchester May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Dorchester During May

As May arrives in Dorchester, the likelihood of enjoying sunny weather takes a slight dip compared to the blossoming days of April, with a 36% chance of sunshine. While this percentage is on par with summer months like July, it pales in comparison to April’s impressive 52%, suggesting a transition from the initial spring warmth. Interestingly, the chances of sun begin to decline in June, dropping to 28%, which hints at a cyclical pattern of weather that signals the unpredictability of British springs. Overall, though the sun may not dominate May, it still holds its own amid the fluctuating forecasts, inviting residents and visitors alike to embrace the delightful moments when rays break through the clouds.

Percentage of Sunny Days in May in Dorchester

The chart illustrates the percentage of sunny days in Dorchester 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 Dorchester experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec22%25%35%52%36%28%36%29%30%26%33%22%
Data source: Dorchester May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Dorchester in May

As spring transitions into summer, Dorchester, United Kingdom, experiences a remarkable increase in daylight duration. In May, the average daylight stretches to a generous 15 hours, marking a significant leap from 13 hours in April. This upward trend continues into June, reaching its peak at 16 hours of daylight, before gradually tapering off in the subsequent months. The patterns reveal a vibrant environment where longer days foster outdoor activities and enhanced moods, making May a particularly delightful time to savor the increasing warmth and sunlight. As summer wanes, daylight hours diminish, dipping back to 12 hours in September and returning to a more subdued rhythm of 10 hours by October, illustrating the cyclical nature of the seasons in this charming locale.

Average Daylight Hours in Dorchester for May

The chart illustrates the variation in daylight duration in Dorchester throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec8h 31m10h 2m11h 55m13h 50m15h 31m16h 23m15h 55m14h 25m12h 34m10h 39m8h 56m8h 2m
Data source: Dorchester daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Dorchester

In May, Dorchester experiences an average wind speed of 4.7 m/s (10 mph), aligning with the breezy trends of earlier months. After a drop in April to 3.5 m/s, the wind picks up again, providing a refreshing backdrop as the region transitions into late spring. This month’s wind speed is on par with both January and March, which also recorded higher breeziness. Interestingly, as the months progress towards summer, there is a noticeable dip in wind speeds from June onward, suggesting a calmer atmosphere during the peak of the season. Overall, May's winds contribute to a lively spring ambiance, inviting outdoor activities before the gentle lull of summer settles in.

Average May Wind Speed in Dorchester

The chart displays monthly wind speed patterns in Dorchester, 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.
JanFebMarAprMayJunJulAugSepOctNovDec4.75.54.63.54.7 m/s3.23.64.03.64.63.94.9
Data source: Dorchester May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Dorchester Compares to Other Months

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

In May, temperatures rise significantly, with a minimum of 1°C (34°F) and an average of 12°C (55°F), peaking at 24°C (75°F). This month also experiences a fair amount of rainfall, totaling 73 mm (2.9 in) over approximately 12 days, accompanied by a humidity level of 80%. In contrast, January presents a much colder landscape, with temperatures dipping to a minimum of -4°C (25°F) and an average of 6°C (43°F), while reaching a maximum of 14°C (57°F). Although January has less precipitation at 51 mm (2.0 in) over about 9 days, it features a higher humidity level of 88%. For those seeking more details, you can explore Dorchester weather in January.

May and February present quite different weather patterns. In May, temperatures range from a low of 1°C (34°F) to a high of 24°C (75°F), with an average temperature of 12°C (55°F). This month sees approximately 73 mm (2.9 in) of precipitation over about 12 days, alongside a humidity level of 80%. In contrast, February experiences colder weather, with temperatures ranging from -6°C (22°F) to 16°C (61°F), averaging around 7°C (44°F). The precipitation is slightly less at 64 mm (2.5 in) over the same number of days, though the humidity is higher at 88%. For more specific details on February weather, you can check Dorchester weather in February.

In comparing the weather between March and May, it's clear that May tends to be significantly warmer. While March experiences minimum temperatures as low as -5°C (23°F), May offers a much milder minimum of 1°C (34°F) and a more pleasant average temperature of 12°C (55°F). Both months receive similar amounts of precipitation—73 mm (2.9 in)—but March has one more rainy day, with precipitation occurring on 13 days compared to May's 12 days. Additionally, humidity levels are slightly higher in March at 86% versus May's 80%, making May feel more comfortable overall. For more detailed insights, you can check out Dorchester weather in March.

In comparing the weather between April and May, May tends to be slightly warmer, with average temperatures reaching 12°C (55°F) compared to April's average of 10°C (49°F). While both months experience maximum temperatures of 23°C (75°F), May's minimum temperature of 1°C (34°F) is an improvement over April's, which dips to -1°C (30°F). Additionally, May sees more precipitation, with 73 mm (2.9 in) falling over 12 days, compared to April's 48 mm (1.9 in) over just 7 days. Humidity levels are also somewhat lower in May at 80%, compared to April's 84%. For a more detailed look at April's weather, you can visit Dorchester weather in April.

May and June both present mild weather conditions, but June typically enjoys warmer temperatures and slightly less precipitation. In May, temperatures range from a minimum of 1°C (34°F) to a maximum of 24°C (75°F), with an average of 12°C (55°F). The month experiences about 73 mm (2.9 in) of precipitation over 12 days. In contrast, June sees a minimum temperature of 7°C (44°F) and a maximum of 29°C (84°F), with an average of 16°C (61°F). Although precipitation in June is slightly higher at 76 mm (3.0 in), it occurs over just 11 days, keeping the overall humidity level consistent at 80%. For more details, you can check Dorchester weather in June.

In May, temperatures range from a chilly minimum of 1°C (34°F) to a comfortable maximum of 24°C (75°F), with an average of 12°C (55°F). The month experiences about 73 mm (2.9 in) of precipitation over 12 days, and humidity levels remain high at around 80%. In contrast, July offers a milder climate with temperatures starting at a minimum of 8°C (47°F), peaking at 30°C (86°F) and averaging 18°C (64°F). This month has less rainfall, totaling 53 mm (2.1 in) over just 11 days, along with lower humidity at 70%. For a closer look at the specifics, you can check out Dorchester weather in July.

May and August present distinct weather patterns that highlight the transition from spring to summer. In May, temperatures range from a chilly minimum of 1°C (34°F) to a comfortable maximum of 24°C (75°F), with an average of 12°C (55°F). The month is relatively humid, with 80% humidity and 73 mm (2.9 in) of precipitation spread over 12 days. In contrast, August enjoys milder mornings, with minimum temperatures at 8°C (47°F) and a higher average of 17°C (63°F), reaching up to a warm 30°C (86°F) during the day. Interestingly, August experiences slightly higher precipitation at 78 mm (3.1 in) over the same number of days, but with lower humidity at 73%. For more details on weather patterns specific to August, check out Dorchester weather in August.

In May, the weather is characterized by a cool range of temperatures, with a minimum of 1°C (34°F) and an average of 12°C (55°F), peaking at 24°C (75°F). The month experiences a higher level of precipitation, totaling 73 mm (2.9 in) over approximately 12 days, accompanied by relatively high humidity at 80%. In contrast, September offers slightly warmer conditions, with temperatures ranging from a low of 3°C (38°F) to a pleasant average of 15°C (59°F) and a maximum of 27°C (81°F). Additionally, September sees less rainfall, with total precipitation of 48 mm (1.9 in) over about 9 days, and humidity levels remain similar at 79%. For more details on how September weather unfolds, you can refer to Dorchester weather in September.

May and October present distinct weather characteristics, with both months showcasing mild average temperatures. In May, temperatures range from a chilly 1°C (34°F) at night to a pleasant maximum of 24°C (75°F) during the day, accompanied by an average temperature of 12°C (55°F). This month sees about 73 mm (2.9 in) of precipitation over 12 days, with humidity levels around 80%.

In contrast, October experiences slightly cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 21°C (70°F), while maintaining a similar average temperature of 12°C (54°F). However, this month tends to be wetter, with precipitation reaching 106 mm (4.2 in) across 14 days and humidity levels rising to 89%. For more detailed insights into October weather, check out Dorchester weather in October.

May and November present striking contrasts in weather. In May, temperatures typically range from a minimum of 1°C (34°F) to a pleasant average of 12°C (55°F), peaking at 24°C (75°F). The month sees about 73 mm (2.9 in) of precipitation spread over 12 days, accompanied by a humidity level of 80%. In contrast, November experiences cooler conditions, with temperatures dropping to a minimum of -1°C (30°F) and averaging just 9°C (48°F), reaching a maximum of 16°C (61°F). Precipitation is slightly less at 66 mm (2.6 in), occurring over 10 days, and humidity rises to 90%. For more detailed insights into November's climate, visit Dorchester weather in November.

In May, temperatures in Dorchester range from a minimum of 1°C (34°F) to a maximum of 24°C (75°F), with an average temperature of 12°C (55°F). This month experiences 73 mm (2.9 in) of precipitation over approximately 12 days and has a humidity level of around 80%. In contrast, December sees cooler temperatures, with minimums dropping to -3°C (27°F) and averages around 7°C (46°F), peaking at 14°C (58°F). December also receives more rainfall, totaling 98 mm (3.9 in) over about 14 days, and higher humidity at 89%. For more detailed weather information for December, visit Dorchester weather in December.

Compare Dorchester's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Dorchester

As May unfolds in Dorchester, the weather takes on a pleasant warmth, distinguishing itself from the cooler months that precede it. With temperatures rising and an average humidity of 80%, residents and visitors alike can finally leave behind the chill of winter. However, a notable 73 mm of precipitation over 12 days reminds us that spring showers remain a part of the season. This combination of mild temperatures and occasional rain makes May a vibrant time, perfect for enjoying the blooming landscapes while preparing for the warmer summer months ahead. For a deeper dive into the climatic patterns of this charming town, visit Dorchester Climate.