May Weather in Gros Islet, Saint Lucia

Last updated: August 31, 2025

Experience the enchanting May weather of Gros Islet, Saint Lucia, where tropical warmth envelops visitors with maximum temperatures reaching up to 31°C (88°F) and a pleasant average of 27°C (81°F). With minimum temperatures dipping to 23°C (74°F), it makes for a comfortable escape. Though May sees an average precipitation of 39 mm (1.6 in) over 13 days, the lush greenery thrives, adding to the island's allure. Humidity levels hover around 80%, creating that quintessential Caribbean atmosphere, perfect for beach bliss and island exploration. Embrace the vibrant tropical charm that makes May an ideal time to visit this stunning destination.

May Temperature in Gros Islet

In May, Gros Islet, Saint Lucia, embraces the warmth of late spring with temperatures that reflect the island's tropical charm. The minimum temperature hovers around 23°C (74°F), while daily life is often experienced at a comfortable average of 27°C (81°F). As the month progresses, the mercury can peak at a steamy 31°C (88°F), mirroring the trends of the preceding months where warmth steadily builds, culminating in some of the hottest days of the year so far. This gradual rise in temperatures from April to May not only invites sun-seekers to enjoy the idyllic beaches but also heralds more vibrant flora as the island comes alive with lush greenery, setting the perfect backdrop for outdoor adventures and relaxation.

May Weather in Gros Islet: Daily Temperature Highs, Lows, and Averages

The chart illustrates May temperature patterns in Gros Islet, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends. In Gros Islet, 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).
JanFebMarAprMayJunJulAugSepOctNovDec787878798181818282818079
Data source: Temperature data for Gros Islet 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 Gros Islet

May marks a notable transition in Gros Islet, Saint Lucia, with precipitation reaching 39 mm (1.6 in) over 13 days, heralding the onset of the wetter season. This amount reflects a slight increase from the preceding months, establishing May as a turning point before June’s more substantial rainfalls. As the island prepares for the summer months, the gradual rise in precipitation indicates a shift towards the lush, tropical conditions that characterize the region. With the rainfall pattern now beginning to intensify, residents and visitors alike can expect the vibrant greenery of the island to flourish in the weeks ahead.

May Precipitation Trends in Gros Islet

The chart displays monthly precipitation patterns in Gros Islet, 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 Gros Islet, May typically receives around {2} mm ({3} inches) of precipitation spread over approximately {4} days.
JanFebMarAprMayJunJulAugSepOctNovDec36333835396510511312112810346
Data source: Precipitation data for May generated using information from the Copernicus Climate Change Service.
Choose your preferred precipitation unit

May Humidity in Gros Islet

May in Gros Islet, Saint Lucia, sees humidity levels stabilize at 80%, following a gradual decline from 81% in January to 79% in April. This slight increase in May signifies a return to the more humid conditions typical of the late spring, setting the stage for the upcoming summer months. As June approaches, humidity rises further to 83%, marking the start of a more pronounced tropical climate. Overall, May serves as a transitional month, bridging the drier spring and the more humid summer, making it a delightful time to experience the lush landscapes of this Caribbean paradise.

May Average Humidity in Gros Islet

This chart illustrates the average monthly humidity levels in Gros Islet, 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 Gros Islet is approximately {2}%, offering insight into how humid the weather typically is during this month.
JanFebMarAprMayJunJulAugSepOctNovDec81%80%80%79%80%83%84%81%80%82%83%82%
Data source: Humidity data for May generated using information from the Copernicus Climate Change Service.

May UV Index in Gros Islet

As we transition into May, Gros Islet, Saint Lucia, continues to experience extreme UV Index levels, maintaining a score of 14, which is consistent with the preceding months of March and April. This trend suggests a peak in sun exposure risks, with a burn time of just 10 minutes for unprotected skin. Following May, the UV Index slightly drops to 13 in June and July, yet remains in the extreme category. It's crucial for residents and visitors alike to stay vigilant about sun safety during this time. For more detailed information on UV levels throughout the year, check out Gros Islet UV Index.

Maximum UV Index Levels in Gros Islet for May

The chart shows the monthly maximum UV Index (UVI) for Gros Islet 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 Gros Islet typically reaches {2}, which falls under the {3} exposure category.
JanFebMarAprMayJunJulAugSepOctNovDec10121414141313141412109
Data source: Gros Islet 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 Gros Islet

In Gros Islet, Saint Lucia, May shines brightly with a remarkable 355 hours of sunshine, making it one of the sunniest months of the year. Following a steady increase from 268 hours in January to 304 hours in February, the sunshine hours peak in May after soaring through the spring months of March and April. This upward trend showcases the allure of the region as it transitions from the cooler season to the vibrant warmth of early summer. The days gradually shorten after May, yet the 325 hours in June and the consistent sun-soaked months that follow, maintain Gros Islet's reputation as a tropical paradise. With its consistently high sunlight hours, visitors can expect endless opportunities for outdoor adventures and relaxation under the Caribbean sun.

Monthly Sunshine Duration in Gros Islet: May Highlighted

The May sunshine duration represents the total number of hours Gros Islet 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.
JanFebMarAprMayJunJulAugSepOctNovDec268h304h345h336h355h325h348h346h319h320h314h330h
Data source: Gros Islet May Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Gros Islet During May

In Gros Islet, Saint Lucia, the month of May presents a moderate 45% chance of sunny weather, showcasing a slight uptick in sunshine compared to the preceding months of April and March, which see lower probabilities at 36% and 42%, respectively. This period marks a transitional phase, as the allure of summer approaches, with the likelihood of sunny days slightly improving towards June and July, both pegged at 46%. Notably, February stands out with a 66% chance of sun, making it the sunniest month, while the weather becomes less predictable in the summer's peak, hinting at the Caribbean’s characteristic warmth coupled with potential rain. Overall, May is a delightful time to visit, balancing sunny moments with refreshing tropical breezes.

Percentage of Sunny Days in May in Gros Islet

The chart illustrates the percentage of sunny days in Gros Islet 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 Gros Islet experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec52%66%42%36%45%29%46%46%51%47%58%54%
Data source: Gros Islet May chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Gros Islet in May

In Gros Islet, Saint Lucia, the daylight duration exhibits an intriguing rhythm throughout the year. From January to April, residents enjoy a gradual increase in sunlit hours, peaking at 12 hours in March and lingering there through June. This consistent daylight fosters a vibrant atmosphere, perfect for outdoor activities and beach relaxation. As the year progresses into the latter half, the daylight hours remain steady at 12 hours through the summer months, offering ample time for exploration and adventure. However, as October approaches, the days begin to shorten again, descending back to 11 hours by November and December. This annual dance of light not only marks the passage of time but also enhances the rich, tropical experience of this stunning locale.

Average Daylight Hours in Gros Islet for May

The chart illustrates the variation in daylight duration in Gros Islet throughout the year, with May highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec11h 23m11h 40m12h 3m12h 26m12h 45m12h 55m12h 50m12h 33m12h 10m11h 47m11h 28m11h 18m
Data source: Gros Islet daylight hours, calculated by summing the hours between sunrise and sunset for each day.

May Winds in Gros Islet

In Gros Islet, Saint Lucia, the month of May continues a trend of pleasant breezes, with an average wind speed of 6.4 m/s (14 mph), matching the conditions of both the preceding and following month, June. The wind begins to show a slight decline from the gustier months of January and February, which experienced higher averages of 6.3 m/s (14 mph) and 7.3 m/s (16 mph), respectively. This gentle breeze sets a perfect backdrop for outdoor activities while signaling the transition toward the calmer summer months. As we move through the year, wind speeds generally dip from an early peak in the winter, providing a soothing maritime atmosphere ideal for sailing and enjoying the stunning coastal views unique to this tropical paradise.

Average May Wind Speed in Gros Islet

The chart displays monthly wind speed patterns in Gros Islet, 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.
JanFebMarAprMayJunJulAugSepOctNovDec6.37.36.35.46.4 m/s6.46.35.13.95.64.96.4
Data source: Gros Islet May wind data, generated using information from the Copernicus Climate Change Service.

How May Weather in Gros Islet Compares to Other Months

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

May and January exhibit similar tropical climates, but there are some notable differences. In May, temperatures range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), with an average of 27°C (81°F). The month sees a slightly higher precipitation of 39 mm (1.6 in) over approximately 13 days, and humidity hovers around 80%. In contrast, January features slightly cooler temperatures, with a minimum of 22°C (72°F) and a maximum of 30°C (86°F), averaging at 26°C (78°F). Precipitation is marginally less, measuring 36 mm (1.4 in) over 15 days, and the humidity remains close at 81%. For more detailed information on January weather, visit Gros Islet weather in January.

In comparing the weather of May and February, May tends to be slightly warmer. The minimum temperature in May averages 23°C (74°F), while February has a lower minimum of 21°C (71°F). Additionally, the average temperature in May is around 27°C (81°F), compared to February's 25°C (78°F). The maximum temperatures are fairly close, with May reaching 31°C (88°F) and February peaking at 30°C (86°F).

When it comes to precipitation, May has a bit more rainfall, with 39 mm (1.6 in) over 13 days, while February records 33 mm (1.3 in) over 12 days. Both months maintain the same humidity level of 80%. For a detailed look at February weather, check out Gros Islet weather in February.

In comparing the weather of May and March, both months exhibit warm temperatures and similar humidity levels. May sees a slightly higher average temperature, with a minimum of 23°C (74°F) and a maximum of 31°C (88°F), compared to March's average of 26°C (79°F), where temperatures range from 22°C (72°F) to 30°C (85°F). Precipitation is also similar, with May experiencing 39 mm (1.6 in) over 13 days, while March has 38 mm (1.5 in) across 15 days. Humidity remains consistent at 80% for both months, offering a tropical feel. For more detailed information, you can check Gros Islet weather in March.

May generally experiences slightly warmer temperatures compared to April, with an average of 27°C (81°F) in May versus 26°C (80°F) in April. Both months share a similar range of temperatures, with minimums hovering around 23°C (74°F) and maximums reaching up to 31°C (88°F) in May and 31°C (87°F) in April. Precipitation is relatively comparable, with May receiving 39 mm (1.6 in) over 13 days and April experiencing 35 mm (1.4 in) over 14 days. Humidity is also quite similar, at 80% in May and 79% in April. For more detailed weather information, you can check out Gros Islet weather in April.

May and June exhibit similar average temperatures, both hovering around 27°C (81°F), but June experiences slightly warmer minimum temperatures, with a low of 24°C (75°F) compared to May's 23°C (74°F). While the maximum temperatures remain consistent at 31°C (88°F) in both months, June is wetter, receiving 65 mm (2.6 in) of precipitation over 16 days, in contrast to May's 39 mm (1.6 in) over 13 days. Additionally, humidity levels rise from 80% in May to 83% in June, making June feel a bit more humid. For more detailed insights, check out the Gros Islet weather in June.

In comparing the weather between May and July, both months present warm temperatures, with average highs reaching 31°C (88°F) in May and 31°C (89°F) in July. However, July tends to be slightly more humid, averaging around 84% compared to May's 80%. While May experiences less precipitation with only 39 mm (1.6 in) over 13 days, July is notably wetter, accumulating 105 mm (4.1 in) over 24 days. This increase in rainfall and humidity makes July a more tropical month overall. For a detailed overview, you can check Gros Islet weather in July.

May and August both experience warm temperatures, with May averaging 27°C (81°F) and August just slightly higher at 28°C (82°F). However, August tends to see more rainfall, with 113 mm (4.5 in) of precipitation over 25 days compared to May's 39 mm (1.6 in) over 13 days. Humidity levels are similar, with May at 80% and August slightly higher at 81%. If you’re interested in more specifics about August conditions, you can check out Gros Islet weather in August.

May and September both showcase warm weather, but there are notable differences in their climate characteristics. In May, temperatures typically range from a minimum of 23°C (74°F) to a maximum of 31°C (88°F), with an average of 27°C (81°F) and about 39 mm (1.6 in) of precipitation over 13 days. In contrast, September is slightly warmer, with minimum temperatures of 25°C (76°F) and maximums reaching up to 32°C (90°F), averaging 28°C (83°F). However, September experiences significantly more rainfall, totaling 121 mm (4.8 in) across 19 rainy days. This increased precipitation, combined with consistent humidity levels of 80%, creates a more humid atmosphere in September compared to May. For more detailed insights about September weather, you can check Gros Islet weather in September.

May and October present similar average temperatures, both hovering around 27°C (81°F), but October tends to be slightly warmer with maximum temperatures reaching 32°C (89°F). While May experiences relatively low precipitation at 39 mm (1.6 in) over 13 days, October sees a significant increase in rainfall, totaling 128 mm (5.1 in) across 21 days. Humidity levels are also marginally higher in October at 82%, compared to May's 80%. For a more detailed look at October weather, you can check out Gros Islet weather in October.

In comparing the weather between May and November, both months experience similar average temperatures, ranging from a minimum of 23-24°C (74-75°F), with daily highs peaking around 31°C (87-88°F). However, November tends to be wetter, receiving significantly more precipitation at 103 mm (4.1 in) over 21 days, compared to May's 39 mm (1.6 in) over 13 days. The humidity levels are also slightly higher in November at 83%, compared to 80% in May, making the latter month feel a bit more comfortable. For a detailed look at November weather in Gros Islet, you can visit Gros Islet weather in November.

May and December exhibit similar warm temperatures but differ slightly in their precipitation and humidity levels. In May, the temperature ranges from a minimum of 23°C (74°F) to a maximum of 31°C (88°F) with an average of 27°C (81°F). The month experiences 39 mm (1.6 in) of precipitation over 13 days, along with a humidity level of 80%. In contrast, December has slightly lower maximum temperatures, reaching up to 30°C (86°F) with an average of 26°C (80°F) and a minimum of 22°C (72°F). Precipitation increases to 46 mm (1.8 in) spread over 16 days, accompanied by a marginally higher humidity of 82%. For those interested in December weather conditions specifically, more details can be found Gros Islet weather in December.

Compare Gros Islet's Climate with Cities Worldwide

Conclusion: What to Expect From May Weather in Gros Islet

As May unfolds in Gros Islet, the weather presents a delightful blend of warm sunshine and refreshing breezes. With temperatures averaging a pleasant 27°C (81°F), this month marks a transition into the warmer season, setting itself apart from the cooler earlier months. While occasional rain showers bring a touch of humidity—hovering around 80%—they also nurture the lush landscapes, adding vibrancy to the surroundings. Precipitation is higher than in previous months, with around 39 mm falling over about 13 days, ensuring that the lush greenery thrives. If you're seeking a balance of warmth and the lush beauty of nature, May is an ideal time to experience all that Gros Islet Climate has to offer.