Last updated: April 28, 2025
In April, Grand Isle experiences a delightful temperate climate, with maximum temperatures reaching 26°C (79°F) and an average of 21°C (71°F). The month often brings a comfortable minimum temperature of 12°C (54°F), perfect for outdoor activities. However, expect some variability, as precipitation amounts can reach 106 mm (4.2 in) over the course of nine days, contributing to the region's lush surroundings. With a humidity level hovering around 81%, the air is notably moist, adding to the refreshing coastal feel. Overall, April strikes a charming balance between warmth and occasional rain, making it an ideal time to visit Grand Isle.
In April, Grand Isle welcomes a gentle transition towards warmer weather, with minimum temperatures rising to 12°C (54°F) and averages reaching 21°C (71°F). This month typically sees highs peaking at 26°C (79°F), reflecting a noticeable shift from the cooler early months of the year. As spring unfolds, the climate becomes increasingly pleasant, inviting outdoor activities and a vibrant atmosphere. Compared to March, where temperatures were still on the cooler side, April showcases a significant warmth that hints at the approaching summer, making it an ideal time to enjoy the natural beauty and recreational offerings of this coastal paradise.
In April, Grand Isle experiences a notable uptick in precipitation, with 106 mm (4.2 in) falling over 9 days. This represents a slight increase compared to the drier months of March, which saw only 65 mm (2.6 in), and illustrates the transition into the wetter season. As the region moves toward the summer months, this increase foreshadows the more substantial rainfall that July and August typically bring, peaking at an impressive 232 mm (9.2 in) and 298 mm (11.7 in), respectively. April’s blend of rain sets a vibrant stage for the lush growth of spring, reinforcing the island's rich ecological tapestry before the summer's dramatic downpours take over.
In April, Grand Isle experiences a consistent humidity level of 81%, mirroring the preceding months of January, February, and March. This steady humidity reflects a trend of relatively high moisture in the air during the spring, contributing to the region's lush landscapes. As the year progresses, humidity begins to taper off, reaching its lowest point in July and August at 74% before rising again in the fall. This cyclical pattern indicates that while April brings a sense of humidity continuity, it also hints at the transition towards drier summer months, offering a blend of freshness that characterizes early spring by the coast.
As spring blooms in April, Grand Isle experiences a significant spike in the UV Index, reaching an extreme level of 11. This means residents and visitors alike should take extra precautions, as the burn time drops to just 10 minutes—half that of the previous months. Following a gradual rise from moderate in January to very high by March, April marks a critical shift in sun exposure risk, highlighting the importance of sun protection for outdoor activities. This extreme intensity is consistent with the months that follow, indicating that early summer will maintain equally high UV levels. For more insights and detailed UV forecasts, visit Grand Isle UV Index.
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As spring unfolds in Grand Isle, April shines brightly with 292 hours of sunshine, reflecting a delightful increase from the earlier months. Following the gradual ascent from 191 hours in January, the sunshine hours have steadily climbed, peaking in April and setting a promising tone for the upcoming warmth of May, which boasts the highest average of 334 hours. The sunny trend continues throughout the summer months, with June, July, and August all hovering around 310 hours, creating a vibrant atmosphere for beachgoers and outdoor enthusiasts. As autumn approaches, the sunlight begins to wane, but the energy of these sun-drenched months lingers, ensuring that the joy of April's sunshine remains a cherished highlight of the year.
In April, Grand Isle experiences a refreshing increase in the likelihood of sunny weather, boasting a 53% chance of sunshine. This marks a notable uptick compared to the preceding months, such as March, where the probability dips to 38%. As spring unfolds, the charm of longer, sunnier days invites both locals and tourists to revel in the natural beauty of the area. Interestingly, this seasonal shift is mirrored in the transition from winter to spring, with January's 51% chance only slightly surpassing April's sunny prospects. However, as May approaches, the chance of sunshine declines again to 40%, hinting at the unpredictable nature of early summer. Overall, April provides a delightful interlude of brightness, effectively bridging the cooler months with the warmth of summer ahead.
In April, Grand Isle enjoys a delightful 12 hours of daylight, a continuation of the trend established in March. This month marks a vibrant transition, as the days lengthen with the approach of spring. Following the steady increase from 10 hours in January to 12 in March, April maintains this pleasing duration before the days begin to stretch longer in May, reaching 13 hours. This gradual rise in daylight not only heralds the warming weather but also invites more outdoor activities, making it a perfect time to embrace the beauty of the season. As daylight lingers, it paints a picture of renewal and vivacity that characterizes this enchanting time of year.
In April, Grand Isle experiences a gentle breeze with an average wind speed of 6.3 m/s (14 mph), slightly tapering off from March's peak of 6.5 m/s (15 mph). This month marks the transition from the brisk winds of early spring to the lighter breezes of late spring and summer, which are evident as wind speeds begin to decrease leading into May. Notably, April's winds are notably calmer than the winter months, where speeds hovered around 6 m/s. As the year progresses, the shifts in wind patterns unveil a trend toward tranquility, inviting residents and visitors alike to relish in the serene atmosphere and the vibrant blooming scenery that April brings.
The weather in Grand Isle changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of April's weather with other months, highlighting differences in temperature, precipitation, and other key factors. Click on each section to discover seasonal trends in Grand Isle and find detailed weather information for every month.
April weather boasts warmer temperatures compared to January, with average highs of 21°C (71°F) and maximums reaching 26°C (79°F), while January sees average highs of 15°C (59°F) and peaks at 24°C (76°F). Both months experience similar humidity levels at 81%, but April tends to be slightly wetter, with 106 mm (4.2 in) of precipitation over 9 days, compared to January's 100 mm (3.9 in) over 8 days. This makes April generally feel more vibrant and spring-like, while January offers a cooler and somewhat drier experience. For more specific details, you can check Grand Isle weather in January.
When comparing the weather in April to February, April typically enjoys milder temperatures, with a minimum of 12°C (54°F), an average of 21°C (71°F), and a maximum of 26°C (79°F), compared to February's cooler minimum of 0°C (32°F) and maximum of 24°C (76°F). Additionally, April experiences slightly more precipitation at 106 mm (4.2 in) over 9 days, while February sees 95 mm (3.8 in) over a greater number of days, totaling 12 days of rain. Despite these differences in rainfall and temperature, both months maintain a similar humidity level of 81%. For more details on February's weather, you can check Grand Isle weather in February.
April's weather is noticeably warmer than March, with average temperatures rising from 19°C (66°F) in March to 21°C (71°F) in April. Both months experience similar maximum temperatures, reaching up to 26°C (79°F). However, April sees a significant increase in precipitation, with 106 mm (4.2 in) falling over 9 days compared to March's 65 mm (2.6 in) over 8 days. Additionally, humidity levels are slightly higher in April at 81%, compared to 79% in March. For more details on March weather, you can check Grand Isle weather in March.
April and May exhibit notable differences in weather patterns. In April, temperatures range from a minimum of 12°C (54°F) to a maximum of 26°C (79°F), with an average temperature of 21°C (71°F). This month experiences more precipitation, totaling 106 mm (4.2 in) over 9 days, and a higher humidity level of 81%. In contrast, May sees warmer temperatures, with minimums of 17°C (63°F), averages of 25°C (77°F), and maximums reaching 29°C (85°F). While it has slightly less precipitation at 99 mm (3.9 in), it also rains over more days, totaling 10, and enjoys lower humidity at 77%. For more detailed insights, check out the Grand Isle weather in May.
April and June present distinct weather patterns, showcasing the transition from spring to early summer. In April, temperatures range from a mild 12°C (54°F) at night to a pleasant average of 21°C (71°F) during the day, peaking at 26°C (79°F). However, this month also brings significant rainfall, with 106 mm (4.2 in) spread over about 9 days and high humidity levels at 81%.
Conversely, June sees a notable increase in warmth, with minimum temperatures starting at 24°C (75°F) and averaging around 27°C (81°F), reaching up to 31°C (87°F) at their highest. This month experiences more precipitation, totaling 195 mm (7.7 in) across approximately 15 days, yet humidity decreases to a more comfortable 74%. For a detailed view of June weather, you can refer to Grand Isle weather in June.
April and July exhibit significant differences in weather patterns. In April, temperatures range from a mild minimum of 12°C (54°F) to a comfortable average of 21°C (71°F), peaking at 26°C (79°F). The month experiences considerable precipitation, totaling 106 mm (4.2 in) over 9 rain-soaked days, with humidity levels averaging 81%. In contrast, July brings much warmer conditions, with minimum temperatures starting at 25°C (77°F) and averaging 28°C (83°F), reaching a maximum of 32°C (90°F). Rainfall is more pronounced, accumulating to 232 mm (9.2 in) over 19 days, but with lower humidity at 74%. For a detailed look at July weather specifics, you can explore Grand Isle weather in July.
When comparing the weather in April and August, notable differences in temperature and precipitation emerge. April features a mild climate with temperatures ranging from a minimum of 12°C (54°F) to a maximum of 26°C (79°F), accompanied by an average of 21°C (71°F). However, it is also a wetter month, with approximately 106 mm (4.2 in) of rain over 9 days and high humidity at 81%. In contrast, August boasts significantly warmer temperatures, with lows of 25°C (77°F) and highs reaching up to 31°C (88°F), averaging around 28°C (83°F). This month also sees increased rainfall, totaling 298 mm (11.7 in) over 23 days, although the humidity is lower at 73%. For more details, visit Grand Isle weather in August.
April and September exhibit noticeable differences in weather patterns. In April, temperatures range from a minimum of 12°C (54°F) to a maximum of 26°C (79°F), with an average of 21°C (71°F). The month sees moderate rainfall, totaling 106 mm (4.2 inches) over approximately 9 rainy days and boasts a humidity level of 81%. In contrast, September experiences warmer conditions, with temperatures ranging from a minimum of 21°C (70°F) to a maximum of 32°C (91°F) and an average of 27°C (81°F). It also tends to be wetter, with precipitation reaching 166 mm (6.5 inches) across around 15 rainy days, and humidity is slightly lower at 79%. For a more detailed view of September weather specifics, you can check Grand Isle weather in September.
April and October exhibit similar minimum temperatures, both starting at around 12°C (54°F), but October tends to be warmer overall with an average of 25°C (77°F) compared to April's 21°C (71°F). The maximum temperatures in October also reach up to 29°C (84°F), providing a more summery feel compared to April's peak of 26°C (79°F). While both months experience significant precipitation, October receives slightly more at 128 mm (5.0 in) over 13 days versus April's 106 mm (4.2 in) over 9 days. Humidity levels are fairly comparable, with April at 81% and October slightly lower at 77%. For more details on the weather in October, check out Grand Isle weather in October.
April and November offer distinct weather experiences, despite sharing similar maximum temperatures of 26°C (79°F). In April, temperatures start to warm up with a minimum of 12°C (54°F) and an average of 21°C (71°F), while November cools down with a minimum of 7°C (45°F) and an average of 19°C (67°F). Additionally, April tends to be wetter with 106 mm (4.2 in) of precipitation over 9 days, compared to November's milder 56 mm (2.2 in) across 6 days. Both months feature a consistent humidity level of 81%, creating a unique, comfortable atmosphere during this transitional season. For a more detailed forecast, check out Grand Isle weather in November.
When comparing the weather in April and December, we see notable differences in temperature and humidity. April typically enjoys warmer temperatures, with averages reaching 21°C (71°F) and maximums of 26°C (79°F), while December features cooler averages of 17°C (62°F) and maxes of 24°C (75°F). Precipitation levels are fairly similar, with April receiving 106 mm (4.2 in) over 9 days and December slightly higher at 109 mm (4.3 in) over 10 days. Humidity is also higher in December at 84%, compared to April's 81%. For more insights into December's conditions, you can refer to Grand Isle weather in December.
As spring unfolds in Grand Isle, April brings a delightful shift in weather compared to the preceding months. With average temperatures hovering comfortably around 21°C (71°F), this month offers a pleasant escape from the lingering chill of winter. Humidity levels rise to 81%, embracing the warmth, while the precipitation of 106 mm (4.2 in) over 9 days hints at the transition into the wetter season. Overall, April is a month of blooming beauty and vibrant temperatures, setting the stage for the sultry summer ahead. For a deeper dive into what to expect from the climate here, check out Grand Isle Climate.