May Weather in Falmouth, Antigua and Barbuda

Last updated: August 21, 2025

May in Falmouth, Antigua and Barbuda ushers in warm and inviting weather, with average temperatures hovering around 26°C (79°F). The daily highs reach a comfortable 28°C (82°F), while evenings cool to a pleasant 24°C (75°F). Despite the idyllic conditions, residents and visitors can expect rainfall on approximately 15 days, accumulating 49 mm (1.9 in) throughout the month. With an average humidity of 79%, the air retains a tropical charm that enhances the lush landscape, making May an enriching time to experience all that this stunning destination has to offer.

May Temperature in Falmouth

May in Falmouth, Antigua and Barbuda ushers in a delightful warmth, with temperatures gradually warming up as spring transitions into summer. The month features a minimum temperature of 24°C (75°F), coupled with an average of 26°C (79°F) and a pleasant maximum reaching 28°C (82°F). This slight uptick from April's averages indicates a steady rise in warmth, making May an ideal time for outdoor activities and enjoying the stunning Caribbean landscape. As the island prepares for the warmer months ahead, visitors can expect delightful beach days and balmy evenings, perfectly capturing the essence of a tropical paradise.

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

The chart illustrates May temperature patterns in Falmouth, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Falmouth, May typically has an average temperature of {2}°C ({3}°F), with highs reaching up to {4}°C ({5}°F) and lows dropping to around {6}°C ({7}°F).
JanFebMarAprMayJunJulAugSepOctNovDec777777787980818182818079
Data source: Temperature data for Falmouth 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 Falmouth

May marks a notable increase in precipitation in Falmouth, Antigua and Barbuda, with 49 mm (1.9 in) of rainfall recorded—making it one of the wetter months of the year. The rain falls over 15 days, establishing a trend of increased moisture as the region transitions into the summer months. This uptick in precipitation is a precursor to the even higher levels observed in June and July, where rainfall escalates significantly, peaking in August with 97 mm (3.8 in). Overall, May serves as a bridge, hinting at the lush and tropical conditions that are typical of the Caribbean as the year progresses.

May Precipitation Trends in Falmouth

The chart displays monthly precipitation patterns in Falmouth, 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. In Falmouth, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec35363138495281971441099452
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Falmouth

In May, Falmouth, Antigua and Barbuda experiences a notable increase in humidity, rising to 79%. This slight uptick continues the upward trend observed from the previous months, suggesting a shift towards the more humid summer season. With the humidity levels gradually increasing from April's 78%, May serves as a precursor to the peak humidity seen in the following months, where June and July reach 81% and 84%, respectively. This gradual rise reflects the island's transition to warmer, more humid conditions, making May a pivotal point in Falmouth’s weather pattern as it gears up for the sultry summer months ahead.

May Average Humidity in Falmouth

This chart illustrates the average monthly humidity levels in Falmouth, with May’s data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, helping you understand how conditions vary by season. In May, average humidity in Falmouth is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec77%76%76%78%79%81%84%83%80%79%80%78%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Falmouth

In May, Falmouth, Antigua and Barbuda experiences a consistently extreme UV Index of 13, indicating high risk of harm from unprotected sun exposure. This trend of elevated UV levels has been prominent since March, emphasizing the need for sun safety as burn times remain short at just 10 minutes. As temperatures rise, the potential for skin damage intensifies, making it crucial for visitors and residents to take protective measures. This pattern continues into the following months, with little variation, and serves as a reminder to always stay vigilant under the Caribbean sun. For more details, check the latest Falmouth UV Index.

Maximum UV Index Levels in Falmouth for May

The chart shows the monthly maximum UV Index (UVI) for Falmouth 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. In May, the maximum UV index in Falmouth typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec911131313131413131299
Data source: Falmouth 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 Falmouth

As the calendar turns to May, Falmouth in Antigua and Barbuda basks in its most radiant month, accumulating an impressive 357 hours of sunshine. This marks a delightful peak in the region's bright trajectory, following a robust April with 343 hours. The sunshine hours continue to climb steadily from February's 302 hours, mirroring the approach of summer, which only intensifies in July with 361 hours of golden rays. This trend highlights May as a prime time for outdoor adventures and relaxation, inviting both locals and visitors to soak up the radiant warmth before the season's end. With such abundant sunshine, May embodies the island's vibrant allure, making it a perfect escape for sun-seekers.

Monthly Sunshine Duration in Falmouth: May Highlighted

The May sunshine duration represents the total number of hours Falmouth 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.
JanFebMarAprMayJunJulAugSepOctNovDec262h302h348h343h357h339h361h352h321h318h308h325h
Data source: Falmouth May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Falmouth During May

May in Falmouth, Antigua and Barbuda, offers a 49% chance of sunny weather, reflecting a slight dip compared to the preceding months. This transition follows April's more promising 43%, suggesting that the tail end of the dry season may be bringing more mixed weather patterns. As the summer approaches, the likelihood of sunshine fluctuates, peaking in February with a cheerful 71%, then gently easing downwards. Interestingly, the trend shows a notable decline into the rainy season with only 26% in June, hinting that those planning a visit in May might find themselves enjoying both sun and the occasional cloud. Overall, while chances of sunshine remain decent, visitors should be prepared for varying weather as the month unfolds.

Percentage of Sunny Days in May in Falmouth

The chart illustrates the percentage of sunny days in Falmouth 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 Falmouth experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec58%71%64%44%49%26%50%48%58%55%68%67%
Data source: Falmouth May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Falmouth in May

In Falmouth, Antigua and Barbuda, the duration of daylight showcases a gradual rhythm throughout the year, beginning with 11 hours of sunlight in January and February. As spring ushers in, daylight extends to 12 hours in March and continues through April and May, creating a perfect backdrop for outdoor activities and exploration. The sun takes its peak in the summer months of June and July, offering an alluring 13 hours of daylight, ideal for beach lovers and adventure seekers alike. As the year winds down, the daylight begins to retract, reverting back to 12 hours in August and September, before settling at 11 hours for the final months of the year. This cyclical dance of daylight not only marks the seasonal transitions but also enriches the vibrant lifestyle of this beautiful Caribbean locale.

Average Daylight Hours in Falmouth for May

The chart illustrates the variation in daylight duration in Falmouth throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 13m11h 34m12h 2m12h 31m12h 55m13h 7m13h12h 39m12h 12m11h 43m11h 19m11h 7m
Data source: Falmouth daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Falmouth

In Falmouth, Antigua and Barbuda, the winds in May offer a delightful respite from the more vigorous breezes of the earlier months. With an average wind speed of 7.4 m/s (16 mph), May maintains a gentle yet refreshing atmosphere, comparable to the mild conditions of January. This trend sees a slight increase from April’s softer 6.5 m/s (15 mph), signaling a return to more consistent winds as we transition towards the summer months. As the year progresses, average wind speeds gradually rise, peaking in July at 8.3 m/s (19 mph) before tapering off in the latter part of the year. Overall, May provides a perfect balance of breezy comfort, ideal for both leisure excursions and adventurous water sports.

Average May Wind Speed in Falmouth

The chart displays monthly wind speed patterns in Falmouth, 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.
JanFebMarAprMayJunJulAugSepOctNovDec7.29.27.56.57.4 m/s8.18.37.05.26.56.07.9
Data source: Falmouth May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Falmouth Compares to Other Months

Weather in Falmouth varies notably across the year, with each month offering distinct climate conditions. This page compares May’s weather to other months in Falmouth, focusing on differences in temperature, rainfall, humidity, and UV levels.

In May, the weather tends to be slightly warmer than in January, with average temperatures ranging from a minimum of 24°C to a maximum of 28°C. This month also experiences higher humidity at around 79% and more precipitation, totaling 49 mm over approximately 15 days. In contrast, January's temperatures are a bit milder, with averages between 23°C and 27°C, and it experiences less rainfall, totaling 34 mm over about 12 days. For more detailed information about January weather, you can visit Falmouth weather in January.

In comparing the weather between May and February, May tends to be slightly warmer, with average temperatures reaching 26°C (79°F) compared to February's average of 25°C (77°F). Although both months experience similar maximum temperatures, May features higher minimum temperatures of 24°C (75°F) against February's 22°C (72°F). Precipitation is also more significant in May, with 49 mm (1.9 in) spread over 15 days, contrasted with February's 36 mm (1.4 in) over 14 days. Humidity levels are comparable, with May at 79% and February at 76%. For a detailed look at February weather, you can check Falmouth weather in February.

When comparing the weather in March and May, one can observe a slight increase in temperature as May averages a cozy 26°C (79°F), with a maximum of 28°C (82°F), compared to March's average of 25°C (77°F). Despite this small temperature rise, May experiences more frequent rainfall, with precipitation occurring over 15 days and totaling 49 mm (1.9 in), as opposed to March’s 11 days of rain totaling 31 mm (1.2 in). Humidity also climbs a bit higher in May, reaching 79%, compared to 76% in March. For a detailed look at March weather specifics, you can check out Falmouth weather in March.

In comparing the weather between April and May, both months showcase warm temperatures, with May showing slightly higher averages. April has a minimum temperature of 23°C (74°F) and an average of 25°C (78°F), while May's minimum is 24°C (75°F) with an average of 26°C (79°F). The maximum temperatures remain similar, peaking at 27°C (82°F) in April and 28°C (82°F) in May. However, May experiences more precipitation, totaling 49 mm (1.9 in) over 15 days compared to April's 38 mm (1.5 in) over 14 days, indicating a wetter month. Both months also maintain high humidity levels, with May slightly higher at 79% versus April's 78%. For further details on the weather in April, visit Falmouth weather in April.

May and June exhibit similar temperature ranges, with both months starting with a minimum of around 24°C (75°F) and peaking at about 28°C (82°F). June tends to be slightly warmer on average at 27°C (80°F) compared to May's average of 26°C (79°F). Precipitation levels are also comparable, with June receiving slightly more rain at 52 mm (2.0 in) over 14 days, versus May's 49 mm (1.9 in) over 15 days. Humidity increases marginally from 79% in May to 81% in June, making both months feel quite tropical. For more detailed insights on June’s weather, check Falmouth weather in June.

In May, the weather features temperatures ranging from a minimum of 24°C (75°F) to a maximum of 28°C (82°F), with an average temperature of 26°C (79°F). The month experiences 49 mm (1.9 in) of precipitation over 15 days, accompanied by a humidity level of 79%. In contrast, July sees slightly warmer conditions, with temperatures varying from 25°C (78°F) to 29°C (84°F), and an average of 27°C (81°F). However, it also experiences increased rainfall, totaling 81 mm (3.2 in) over 19 days and a higher humidity level of 84%. For more details, check out Falmouth weather in July.

May and August both offer warm temperatures, but August tends to be slightly hotter and more humid. In May, the average temperature is around 26°C (79°F), with a maximum of 28°C (82°F) and a humidity level of 79%. In contrast, August shows a marginal increase, with an average temperature of 27°C (82°F) and a maximum of 29°C (84°F), accompanied by higher humidity at 83%. Additionally, while May experiences 49 mm (1.9 in) of precipitation over 15 days, August sees an increase to 97 mm (3.8 in) across 18 days, making it a wetter month overall. For more details on August weather, you can visit Falmouth weather in August.

May and September exhibit similar warm temperatures, but there are notable differences in precipitation and overall humidity. In May, the minimum temperature is around 24°C (75°F), with an average temperature of 26°C (79°F) and a maximum of 28°C (82°F). The month sees about 49 mm (1.9 in) of rainfall over approximately 15 days, alongside a humidity level of 79%. In contrast, September experiences slightly warmer temperatures with a minimum of 25°C (77°F) and an average of 28°C (82°F), peaking at 29°C (85°F). However, rainfall increases significantly to 144 mm (5.7 in) over 21 days, accompanied by a humidity level of 80%. For more detailed information, check out Falmouth weather in September.

In comparing the weather in May and October, we notice that both months have relatively high temperatures, with May seeing a minimum of 24°C (75°F) and an average of 26°C (79°F), while October's temperatures are slightly warmer, with a minimum of 25°C (77°F) and an average of 27°C (81°F). However, October tends to be wetter, accumulating 109 mm (4.3 in) of precipitation over 18 days, compared to May's 49 mm (1.9 in) over 15 days. Despite the increased rainfall in October, both months share a consistent humidity level of 79%. For more detailed information, you can check Falmouth weather in October.

May and November share similar temperature ranges, with May experiencing a minimum of 24°C (75°F) and an average of 26°C (79°F), while November has a slightly higher average temperature of 27°C (80°F). Both months feature a maximum temperature of around 28°C (82°F in May and 83°F in November). However, November tends to be wetter, receiving 94 mm (3.7 in) of precipitation over 17 days compared to May's 49 mm (1.9 in) over 15 days. Additionally, humidity is slightly higher in November at 80% versus May's 79%. For more detailed insights on November weather, you can check out Falmouth weather in November.

In both May and December, the weather remains remarkably consistent, with average temperatures hovering around 26°C (79°F) and daily highs reaching 28°C (82°F). However, December tends to see slightly higher precipitation, with averages of 52 mm (2.1 in) over 18 rainy days, compared to May's 49 mm (1.9 in) over 15 days. Humidity levels also show little variation, at 79% in May and 78% in December, creating a humid tropical atmosphere in both months. For a closer look at December's climate specifics, you can check Falmouth weather in December.

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Conclusion: What to Expect From May Weather in Falmouth

As May ushers in a transition towards the warmer months in Falmouth, visitors can expect pleasantly warm temperatures averaging around 26°C (79°F), with peaks hitting 28°C (82°F). Unlike the drier winter months, this period sees a notable increase in humidity and precipitation, with rain gracing the area on about 15 days, contributing to a lush, vibrant landscape. While the average temperatures remain inviting, the occasional showers remind us of the region's tropical charm. For a deeper dive into seasonal trends, check out Falmouth Climate.