May Weather in Boothbay, United States

Last updated: February 24, 2025

May in Boothbay, United States brings a delightful transition into warmer weather, with maximum temperatures reaching up to 29°C (84°F) while the average rests at a comfortable 12°C (54°F). However, residents and visitors should be prepared for cooler moments, as minimum temperatures can dip to 2°C (35°F). This month experiences about 73 mm (2.9 in) of precipitation across approximately 10 days, contributing to the region's lush greenery. The humidity, averaging at 79%, enhances the coastal charm of Boothbay, making it an inviting time for outdoor activities while enjoying the refreshing maritime atmosphere.

May Temperature in Boothbay

In May, Boothbay experiences a delightful transition from the chilly grip of winter to the warmth of summer. With minimum temperatures rising to 2°C (35°F) and averaging around 12°C (54°F), the month showcases a significant climb in warmth compared to the earlier months. The maximum temperature can soar to a pleasant 29°C (84°F), reflecting the onset of spring's full bloom and inviting outdoor activities. This upward trend in temperatures signifies a consistent shift towards more favorable weather, making May an ideal time for locals and visitors alike to enjoy the scenic beauty of the area before the summer peak arrives. The mild climate encourages vibrant flora and bustling coastal scenes, setting the stage for memorable experiences in this charming seaside town.

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

The chart illustrates May temperature patterns in Boothbay, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec262733445464707063534030
Data source: Temperature data for Boothbay 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 Boothbay

In May, Boothbay experiences a moderate precipitation level of 73 mm (2.9 in), accompanied by an average of 10 rainy days. This marks a slight decrease from the wetter April, which saw 118 mm (4.6 in) over 12 days. The trend suggests that as spring progresses, May brings more consistent but less intense rainfall, hinting at the transition towards the drier summer months. Interestingly, June follows with an even lower 61 mm (2.4 in), indicating a potential seasonal shift, where the pace of precipitation begins to lighten, allowing for sunnier days ahead. This gradual tapering could enhance outdoor activities, as residents and visitors alike relish the changing weather.

May Precipitation Trends in Boothbay

The chart displays monthly precipitation patterns in Boothbay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec84857111873611107471128111121
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
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May Humidity in Boothbay

In Boothbay, United States, the month of May sees humidity levels stabilize at 79%, aligning with the downward trend observed since April. This dip indicates a slight respite from the higher humidity levels that dominate the winter months, which peak at 86% in February and June. Following May, humidity begins to rise again during the summer months, but the late spring offers a more comfortable atmosphere for outdoor activities. Overall, May serves as a transitional month, bridging the drier spring conditions with the humid summer ahead, making it an ideal time for enjoying Boothbay’s natural beauty.

May Average Humidity in Boothbay

This chart illustrates the average monthly humidity levels in Boothbay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec85%86%84%79%79%86%85%83%80%77%80%81%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Boothbay

As May rolls into Boothbay, residents and visitors alike should prepare for a significant jump in ultraviolet (UV) radiation exposure. With a UV Index soaring to 9, categorized as very high, this month marks a dramatic increase in sun intensity compared to the preceding months. After gradually climbing from a low index of 2 in January, the UV levels have steadily risen, peaking in June as well, with equally high values. This shift results in a notably short burn time of just 15 minutes, emphasizing the need for sun protection. As summer approaches, it's essential to remain vigilant against overexposure while enjoying the outdoors. For detailed UV forecasts, visit Boothbay UV Index.

Maximum UV Index Levels in Boothbay for May

The chart shows the monthly maximum UV Index (UVI) for Boothbay 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.
JanFebMarAprMayJunJulAugSepOctNovDec2457910987532
Data source: Boothbay 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 Boothbay

In Boothbay, United States, May shines as a significant turning point in the year, boasting 293 hours of delightful sunshine. This blossoming month stands in stark contrast to the quieter, more muted daylight of winter, where January and February struggle with just 147 and 188 hours of sun, respectively. By March, the days start to lengthen as we bask in 259 hours, paving the way for an even brighter April with 244 hours. As we transition into May, warmth and light begin to dominate, foreshadowing the peak summer months. This trend continues into June and July, when the sun reaches its zenith, providing an impressive 328 and 329 hours. Overall, the gradual increase in sunshine from winter’s resistive chill to summer's radiant success creates an enticing atmosphere that beckons outdoor adventures and lively community activities.

Monthly Sunshine Duration in Boothbay: May Highlighted

The May sunshine duration represents the total number of hours Boothbay 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.
JanFebMarAprMayJunJulAugSepOctNovDec147h188h259h244h293h328h329h336h286h219h187h175h
Data source: Boothbay May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Boothbay During May

In Boothbay, the likelihood of sunny weather takes an intriguing turn in May, with a 35% chance of sunshine. This figure represents a slight dip from April’s 36% but indicates a notable contrast to the vibrant sunlight seen in March, which boasts a 61% chance. As spring transitions into summer, May's weather patterns suggest a somewhat unpredictable climate, reflecting the variability common during this period. Comparatively, the months leading up to warmer summer days reveal a seasonal trend of fluctuating sunshine, where June’s 37% chance shows little improvement. Hence, while May may not be the sunniest month in Boothbay, it still holds its charm for those who appreciate the beauty of spring’s gentle warmth amidst the unpredictability.

Percentage of Sunny Days in May in Boothbay

The chart illustrates the percentage of sunny days in Boothbay 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 Boothbay experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec41%37%61%36%35%37%27%31%42%36%53%36%
Data source: Boothbay May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Boothbay in May

As spring blooms into summer, Boothbay, United States experiences a notable increase in daylight duration. Starting the year with a modest 9 hours in January, the days gradually lengthen, reaching 14 hours in May. This upward trend continues into June and July, with daylight peaking at 15 hours. As summer wanes, daylight begins to recede, falling back to 12 hours by September and continuing to shorten through the autumn months. By December, Boothbay sees a return to just 8 hours of daylight, illustrating a clear seasonal rhythm that dances from the cozy brightness of spring and summer to the more subdued light of fall and winter. The gradual increase and subsequent decline in daylight not only accentuates the beauty of each season but also offers a poignant reminder of nature’s cyclical patterns.

Average Daylight Hours in Boothbay for May

The chart illustrates the variation in daylight duration in Boothbay throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec9h 18m10h 29m11h 57m13h 28m14h 45m15h 24m15h 3m13h 54m12h 27m10h 56m9h 37m8h 56m
Data source: Boothbay daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Boothbay

In Boothbay, United States, the wind patterns throughout the year reveal a subtle dance of breezes. May typically showcases a gentle wind speed of 3.0 m/s (7 mph), slightly less than the spring months of March and April, which experience higher gusts of up to 3.9 m/s (9 mph) and 3.5 m/s (8 mph), respectively. This mild transition echoes the calm before summer, as the wind tends to soften further in the warmer months, with July and August seeing speeds dip to 2.7 m/s (6 mph) and 2.4 m/s (5 mph). The overall trend exhibits a gradual ebb and flow, with most months maintaining a steady pace of around 3.0 m/s (7 mph), offering a consistent backdrop for the serene coastal beauty of Boothbay.

Average May Wind Speed in Boothbay

The chart displays monthly wind speed patterns in Boothbay, 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.
JanFebMarAprMayJunJulAugSepOctNovDec3.33.33.93.53.0 m/s3.42.72.43.13.03.23.3
Data source: Boothbay May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Boothbay Compares to Other Months

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

The weather in May is significantly milder than in January, with temperatures ranging from a minimum of 2°C (35°F) to a maximum of 29°C (84°F) and an average of 12°C (54°F). In contrast, January experiences much colder conditions, with temperatures plummeting to a minimum of -24°C (-10°F) and only reaching a maximum of 13°C (55°F), averaging around -4°C (26°F). While both months receive precipitation, January sees slightly more, with 84 mm (3.3 in) over about 8 days, compared to May's 73 mm (2.9 in) over 10 days. Additionally, humidity levels are comparable, with May at 79% and January at 85%. For more detailed insights, you can check out Boothbay weather in January.

When comparing the weather in May and February, it's clear that they offer stark contrasts. May experiences milder temperatures, ranging from a minimum of 2°C (35°F) to a maximum of 29°C (84°F), with an average of 12°C (54°F). In contrast, February is much colder, with temperatures averaging -3°C (27°F), dipping as low as -20°C (-4°F) and reaching a maximum of 16°C (62°F). Additionally, while May receives about 73 mm (2.9 in) of precipitation over 10 days at a humidity level of 79%, February sees slightly more precipitation at 85 mm (3.3 in) with a higher humidity of 86%. For a closer look at February weather specifics, you can check Boothbay weather in February.

In comparing the weather of May and March, it's evident that May offers a much warmer climate, with average temperatures rising to 12°C (54°F) compared to March's chilly average of 1°C (33°F). While both months experience similar levels of precipitation, with May receiving 73 mm (2.9 in) over 10 days and March slightly less at 71 mm (2.8 in) across 8 days, March's temperatures can drop as low as -17°C (3°F), making it significantly cooler overall. Additionally, humidity levels are relatively high in both months, with March at 84% and May at 79%. For more detailed insights into March weather, you can visit Boothbay weather in March.

In comparison to April, May generally presents milder temperatures, with a minimum of 2°C (35°F) and an average of 12°C (54°F), contrasted with April's colder minimum of -4°C (26°F) and an average of 7°C (44°F). While both months experience a similar humidity level of 79%, May sees a notable increase in maximum temperatures, reaching up to 29°C (84°F) compared to April's peak of 26°C (79°F). However, May has slightly less precipitation, recording 73 mm (2.9 in) over 10 days, while April has a higher total of 118 mm (4.6 in) across 12 days. For a closer look at April weather patterns, check Boothbay weather in April.

In comparing the weather of May and June, it’s clear that June experiences warmer temperatures overall. May boasts a minimum temperature of 2°C (35°F) and an average of 12°C (54°F), with highs reaching 29°C (84°F). In contrast, June starts with a higher minimum of 6°C (43°F) and an average temperature of 18°C (65°F), peaking at a maximum of 33°C (92°F). Both months see some precipitation, but June has slightly less rainfall at 61 mm (2.4 in) over 9 days, compared to May's 73 mm (2.9 in) over 10 days. Additionally, June's humidity is a bit higher at 86%, compared to May's 79%. For more detailed weather insights, check out Boothbay weather in June.

May and July exhibit notable differences in their weather patterns and temperatures. In May, temperatures range from a chilly 2°C (35°F) at night to a comfortable 29°C (84°F) during the day, with an average of 12°C (54°F). Meanwhile, July experiences milder evenings with minimum temperatures around 8°C (47°F) and much warmer daytime highs of up to 34°C (94°F), leading to an increase in average temperature to 21°C (71°F). Precipitation also sees a shift, with May receiving 73 mm (2.9 in) compared to July's 110 mm (4.3 in), although both months have rainfall on approximately 10 days. Furthermore, humidity rises slightly in July, reaching 85% compared to May's 79%. For a more detailed look at July's weather, you can visit Boothbay weather in July.

May and August showcase distinct weather patterns, reflecting the transition from spring to summer. In May, temperatures range from a cool 2°C (35°F) at night to a warmer 29°C (84°F) during the day, with an average of 12°C (54°F). The month experiences a fair amount of precipitation, totaling 73 mm (2.9 in) over about 10 days, accompanied by a humidity level of 79%. In contrast, August offers milder nights with a minimum temperature of 11°C (52°F) and warmer days peaking at 33°C (91°F), averaging 21°C (71°F). Although August has similar rainfall, at 74 mm (2.9 in) over 9 days, humidity increases slightly to 83%. For a more detailed look at weather specifics during this month, check out Boothbay weather in August.

In May, temperatures range from a chilly 2°C (35°F) at night to a warm 29°C (84°F) during the day, with an average of 12°C (54°F). The month experiences around 73 mm (2.9 in) of precipitation over approximately 10 days, contributing to a humid atmosphere with 79% humidity. In contrast, September sees a slight increase in nighttime temperatures, with a minimum of 4°C (39°F), and a higher average of 17°C (64°F). The daytime maximum is similar, reaching 30°C (86°F), while precipitation decreases slightly to 71 mm (2.8 in) over just 7 days, and the humidity remains relatively high at 80%. For more details on the weather in September, you can check Boothbay weather in September.

In May, temperatures begin to warm up with a minimum of 2°C (35°F) and an average high of 29°C (84°F), making it a more variable month in terms of weather. In contrast, October sees cooler temperatures, ranging from a minimum of 0°C (32°F) to a maximum of 25°C (77°F). Both months experience approximately similar average temperatures, but May tends to have less precipitation (73 mm or 2.9 in) compared to October's 128 mm (5.1 in), which occurs over a similar number of days (10 in May vs. 11 in October). Despite the higher precipitation, October displays a slightly lower humidity at 77%, compared to May's 79%. For those planning to visit, you can find more information about weather conditions in October through this link: Boothbay weather in October.

May and November present starkly different weather patterns. In May, temperatures range from a minimum of 2°C (35°F) to a pleasant maximum of 29°C (84°F), with an average of 12°C (54°F) and a humidity level of 79%. The month experiences about 73 mm (2.9 in) of precipitation spread over 10 days, making it a relatively mild and blooming time of year. In contrast, November is much colder, with temperatures dipping to a minimum of -13°C (8°F) and averaging only 4°C (40°F), peaking at 19°C (66°F). Precipitation increases to 111 mm (4.4 in) over 11 days, and humidity stays high at 80%. For more details about November's weather, you can check Boothbay weather in November.

May and December offer stark contrasts in weather. In May, temperatures range from a chilly 2°C (35°F) to a warm 29°C (84°F), with an average of 12°C (54°F), creating a pleasant spring atmosphere. Although precipitation is moderate at 73 mm (2.9 in) over about 10 days, humidity levels hover around 79%, adding a touch of dampness to the air. In contrast, December brings much colder temperatures, ranging from a low of -23°C (-9°F) to a max of 15°C (60°F), with an average temperature of -1°C (30°F). The month is also wetter, with 121 mm (4.8 in) of precipitation across the same number of days, and slightly higher humidity at 81%. For more specific insights on December weather, visit Boothbay weather in December.

Compare Boothbay's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Boothbay

As May unfolds in Boothbay, a noticeable warmth begins to embrace the landscape, marking a shift from the cooler temperatures of earlier months. With an average temperature of 12°C (54°F) and occasional peaks of 29°C (84°F), residents and visitors alike can savor the onset of spring. However, May also brings its share of humidity and precipitation, averaging about 73 mm (2.9 in) over 10 days, which can create a lush and vibrant backdrop but may also catch the unprepared off guard. This evolution in weather not only showcases the beauty of the season but also enhances the charm of Boothbay, making it an ideal time for outdoor activities and explorations. For more insight into the broader climate patterns, visit Boothbay Climate.