June Weather in Grand Isle, United States

Last updated: February 24, 2025

In June, Grand Isle, United States, experiences warm and inviting weather, with average temperatures hovering around 27°C (81°F). The month showcases a maximum temperature reaching 31°C (87°F), providing plenty of opportunities for outdoor activities. However, visitors should be prepared for occasional rain, as 195 mm (7.7 in) of precipitation occurs over approximately 15 days, resulting in a humidity level of 74%. This blend of warmth and moisture creates a lush, vibrant environment, perfect for enjoying the natural beauty of the island while soaking up the summer sun.

June Temperature in Grand Isle

As June arrives in Grand Isle, the warmth of summer is unmistakable, with temperatures soaring to a minimum of 24°C (75°F) and peaking at a delightful 31°C (87°F). This month marks a notable transition from the pleasant spring temperatures of May, where averages hover around 25°C (77°F). By June, the average temperature settles at 27°C (81°F), inviting residents and visitors alike to bask in the sun and enjoy outdoor activities. The rising temperatures signal a shift in lifestyle, as the island comes alive with beachgoers, water sports enthusiasts, and those seeking to indulge in the vibrant environment that characterizes this coastal paradise. With the humidity also on the rise, June promises a blend of warm, sun-kissed days perfect for creating unforgettable summer memories.

June Weather in Grand Isle: Daily Temperature Highs, Lows, and Averages

The chart illustrates June temperature patterns in Grand Isle, showcasing daily minimum, maximum, and average temperatures. It highlights the typical range of temperatures throughout the month, providing insights into weather trends.
JanFebMarAprMayJunJulAugSepOctNovDec586266707781828381766662
Data source: Temperature data for Grand Isle 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.

June Precipitation in Grand Isle

In June, Grand Isle experiences a significant spike in precipitation, recording a substantial 195 mm (7.7 in) over 15 days. This marked increase sets the stage for the summer months, reflecting a trend of rising rainfall that continues into July and August, where totals reach 232 mm (9.2 in) and 298 mm (11.7 in) respectively. Interestingly, this uptick in rainfall contrasts with the drier spring months, which saw more moderate levels ranging from 65 mm to 106 mm. As June transitions into the height of summer, the island's climate shifts notably, creating an environment ripe for lush vegetation but also potential challenges with increased humidity and storm activity.

June Precipitation Trends in Grand Isle

The chart displays monthly precipitation patterns in Grand Isle, with values for each month alongside June's data, which is highlighted for easy comparison. It shows the amount of precipitation, providing insights into how June's conditions compare to those of other months.
JanFebMarAprMayJunJulAugSepOctNovDec10096651079919523329816612856109
Data source: Precipitation data for June generated using information from the Copernicus Climate Change Service.
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June Humidity in Grand Isle

In June, Grand Isle experiences a noticeable dip in humidity, dropping to 74%—the lowest level for the summer months. This slight decrease follows a slight trend observed as the seasons transition; humidity peaks in the winter and remains consistently high through early spring. As summer approaches, humidity levels begin to decline, with June marking a turning point where residents can enjoy relatively drier days. The trend continues into July and August, where humidity remains steady at 74% and 73%, respectively. Overall, the month of June offers a refreshing reprieve from the higher humidity levels that characterize the earlier months, making it an ideal time for outdoor activities.

June Average Humidity in Grand Isle

This chart illustrates the average monthly humidity levels in Grand Isle, with June's data highlighted for easy comparison. It shows the fluctuation in humidity throughout the year, allowing you to see how June's humidity levels compare to other months.
JanFebMarAprMayJunJulAugSepOctNovDec81%81%79%81%77%74%74%73%79%77%81%84%
Data source: Humidity data for June generated using information from the Copernicus Climate Change Service.

June UV Index in Grand Isle

As we dive into June, Grand Isle experiences an extreme UV Index of 11, indicating that caution is essential for outdoor activities. This trend follows a month of similar intensity, with both May and April also recording an UV Index of 11. The burn time remains critically short at just 10 minutes, reinforcing the need for protective measures against sun exposure. Notably, the UV levels have been on the rise since February, which started at a moderate level of 8 but quickly escalated to extreme as the summer approaches. If you're planning to soak up the sun in this coastal paradise, it's vital to stay informed and shield yourself appropriately. For a comprehensive insight into UV trends, visit Grand Isle UV Index.

Maximum UV Index Levels in Grand Isle for June

The chart shows the monthly maximum UV Index (UVI) for Grand Isle in June, 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.
JanFebMarAprMayJunJulAugSepOctNovDec589111111121211975
Data source: Grand Isle June 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.

June Sunshine in Grand Isle

As summer settles in Grand Isle, June offers a delightful 311 hours of sunshine, continuing the trend of increasing daylight that begins in the spring. This month stands as a peak following May’s impressive 334 hours, showcasing the region’s transition into its sunniest season. The sunshine hours slightly dip in July to 313 hours, but remain consistent, with August and September also displaying a robust sun-filled ambiance. With the sun shining brightly, June invites residents and visitors alike to embrace outdoor activities, bask in the warmth, and relish the natural beauty that Grand Isle has to offer during this vibrant time of year.

Monthly Sunshine Duration in Grand Isle: June Highlighted

The June sunshine duration represents the total number of hours Grand Isle experiences direct sunlight during the month of June, excluding cloudy or obstructed periods. This chart compares the sunshine duration of June with the other months of the year.
JanFebMarAprMayJunJulAugSepOctNovDec191h220h287h292h334h311h313h312h281h291h263h230h
Data source: Grand Isle June Sunshine duration data generated using information from the Copernicus Climate Change Service.

Chance of Sun in Grand Isle During June

In Grand Isle, June marks a notable dip in the likelihood of sunny weather, with a 29% chance of sunshine, making it one of the cloudier months of the year. This trend contrasts sharply with the sunnier months preceding it, particularly April, which enjoys a 53% chance, and the warmer summer months, July and August, that fall even lower at 27% and 31% respectively. As summer unfolds, residents and visitors can expect increased humidity and a touch of unpredictability, highlighting the region's transition into its tropical climate. Even though early summer may not guarantee clear skies, the charm of Grand Isle lies in its coastal beauty, rain or shine.

Percentage of Sunny Days in June in Grand Isle

The chart illustrates the percentage of sunny days in Grand Isle throughout the year, with June 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 Grand Isle experiences clear skies throughout the year.
JanFebMarAprMayJunJulAugSepOctNovDec51%41%38%53%40%29%27%31%44%51%64%47%
Data source: Grand Isle June chance of sun data, generated using information from the Copernicus Climate Change Service.

Daylight Hours in Grand Isle in June

As summer approaches, June in Grand Isle mirrors the vibrant spirit of the season with 13 hours of daylight, a continuation of the longer days that began in late spring. This month stands as a pinnacle of brightness, matching both May and the subsequent summer months of July and August. The gradual increase in daylight from a modest 10 hours in January to the peak of 13 hours reflects the transition into warmer weather and longer evenings, setting the stage for the summer adventures ahead. Following June, daylight will gradually begin to wane as autumn approaches, marking a slow descent back to shorter days by October. The rhythm of the seasons is palpable, inviting residents and visitors alike to savor every luminous moment of this sun-kissed month.

Average Daylight Hours in Grand Isle for June

The chart illustrates the variation in daylight duration in Grand Isle throughout the year, with June highlighted. It shows the monthly changes in daylight hours, calculated by summing the hours between sunrise and sunset.
JanFebMarAprMayJunJulAugSepOctNovDec10h 30m11h 9m12h12h 53m13h 36m13h 58m13h 46m13h 7m12h 17m11h 25m10h 40m10h 17m
Data source: Grand Isle daylight hours, calculated by summing the hours between sunrise and sunset for each day.

June Winds in Grand Isle

In June, Grand Isle experiences a noticeable drop in wind speed, with an average of 5.5 m/s (12 mph)—the lowest so far this year. This decline follows a relatively steady pattern from January to May, where wind speeds hovered between 6.0 m/s and 6.5 m/s (13 to 15 mph). As summer sets in, the lighter breezes signal a calmer atmosphere, contrasting sharply with July's further decrease to 3.8 m/s (9 mph). Overall, the trend reveals a transition from the more vigorous winds of early spring to the gentle and soothing currents characteristic of summer along the picturesque shores of Grand Isle.

Average June Wind Speed in Grand Isle

The chart displays monthly wind speed patterns in Grand Isle, with values for each month shown alongside June's data, which is highlighted for easy comparison. It illustrates the average wind speed, offering insights into how June's wind conditions compare to the rest of the year.
JanFebMarAprMayJunJulAugSepOctNovDec6.06.36.56.36.15.5 m/s3.84.84.95.05.25.2
Data source: Grand Isle June wind data, generated using information from the Copernicus Climate Change Service.

How June Weather in Grand Isle Compares to Other Months

The weather in Grand Isle changes throughout the year, offering a unique experience in each season. Below is a month-by-month comparison of June'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.

When comparing the weather in June and January, it’s clear that these months exhibit stark differences. June features significantly higher temperatures with a minimum of 24°C (75°F) and an average of 27°C (81°F), peaking at 31°C (87°F). In contrast, January has much cooler temperatures, ranging from a minimum of 0°C (33°F) to a maximum of 24°C (76°F), with an average of 15°C (59°F). Additionally, June experiences more precipitation, with 195 mm (7.7 in) over 15 days, while January sees only 100 mm (3.9 in) across 8 days. Humidity levels are relatively high in both months, with June at 74% and January slightly higher at 81%. For more insights on winter weather, you can refer to Grand Isle weather in January.

June and February present stark contrasts in weather conditions. In June, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (87°F), with an average of 27°C (81°F), while February experiences much cooler temperatures, with a minimum of 0°C (32°F) and a maximum of 24°C (76°F), averaging 17°C (62°F). Rainfall in June is significantly higher at 195 mm (7.7 in) over about 15 days, compared to February's 95 mm (3.8 in) over 12 days. Additionally, June's humidity stands at 74%, while February is slightly higher at 81%, contributing to the chilly feel during the winter month. For a more detailed look at February weather, you can visit Grand Isle weather in February.

In comparing the weather between March and June, there are notable differences in temperature and precipitation patterns. June boasts a warm average temperature of 27°C (81°F), with maximums reaching up to 31°C (87°F), while March is much cooler, with an average of 19°C (66°F) and maximums of 26°C (78°F). Precipitation is significantly higher in June, with 195 mm (7.7 in) over approximately 15 days, compared to March's 65 mm (2.6 in) across just 8 days. Humidity levels are also quite high, with June averaging 74% compared to March's 79%. For a more detailed look at March weather, visit Grand Isle weather in March.

When comparing the weather in June and April, it’s clear that June is significantly warmer, with average temperatures reaching 27°C (81°F), compared to April's cooler average of 21°C (71°F). While both months experience precipitation, June sees a higher rainfall total of 195 mm (7.7 in) over 15 days, making it a wetter month than April, which records 106 mm (4.2 in) over 9 days. Humidity levels are also notable; June has a humidity of 74%, slightly lower than April's 81%. For a detailed look at April's weather, you can check out Grand Isle weather in April.

Comparing the weather in June and May reveals some notable differences. June tends to be warmer, with average temperatures ranging from a minimum of 24°C (75°F) to a maximum of 31°C (87°F), whereas May sees cooler averages, with temperatures between 17°C (63°F) and 29°C (85°F). Additionally, June experiences significantly more precipitation, with 195 mm (7.7 in) falling over 15 days, compared to May's 99 mm (3.9 in) over 10 days. Humidity levels are slightly lower in June at 74%, compared to 77% in May. For a closer look at what to expect in May, you can visit Grand Isle weather in May.

June and July exhibit similar weather patterns, but July tends to be slightly warmer and wetter. In June, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (87°F), with an average of 27°C (81°F). The month experiences 195 mm (7.7 in) of precipitation over 15 days, with humidity levels consistently around 74%. In contrast, July sees a minimum temperature of 25°C (77°F) and a maximum of 32°C (90°F), resulting in an average of 28°C (83°F). This month has increased rainfall, totaling 232 mm (9.2 in) over 19 days, while maintaining the same humidity level of 74%. For a closer look at what to expect, check out Grand Isle weather in July.

When comparing the weather in June and August, we observe that both months experience relatively warm temperatures, with June featuring a minimum of 24°C (75°F) and an average of 27°C (81°F), while August has slightly warmer conditions with a minimum of 25°C (77°F) and an average of 28°C (83°F). However, August tends to be wetter, accumulating 298 mm (11.7 in) of precipitation over 23 days, compared to June's 195 mm (7.7 in) over 15 days. Humidity levels are quite similar between the two months, with June at 74% and August slightly lower at 73%. For a more detailed look at August weather, you can visit Grand Isle weather in August.

In June, temperatures typically range from a minimum of 24°C (75°F) to a maximum of 31°C (87°F), with an average temperature of 27°C (81°F). The month is characterized by substantial rainfall, recording about 195 mm (7.7 in) over 15 days, and humidity levels hover around 74%. In contrast, September experiences slightly cooler temperatures, with minimums around 21°C (70°F) and maximums reaching 32°C (91°F), while maintaining an average of 27°C (81°F). Precipitation in September is less intense, totaling 166 mm (6.5 in) over the same number of days, but humidity increases to 79%. For more detailed information on September conditions, check out Grand Isle weather in September.

June and October present contrasting weather patterns. In June, temperatures range from a warm minimum of 24°C (75°F) to a higher maximum of 31°C (87°F), with an average of 27°C (81°F). This month is also quite rainy, averaging 195 mm (7.7 in) of precipitation over 15 days, and humidity is high at 74%. In contrast, October features cooler temperatures with a minimum of 12°C (54°F) and a maximum of 29°C (84°F), leading to a mild average of 25°C (77°F). Rainfall is less frequent, totaling 128 mm (5.0 in) over 13 days, and humidity remains slightly elevated at 77%. For more specific details about October weather, you can visit Grand Isle weather in October.

June and November present contrasting weather profiles. In June, temperatures range from a minimum of 24°C (75°F) to a maximum of 31°C (87°F), with an average of 27°C (81°F). The month is characterized by high humidity at 74% and significant rainfall, totaling 195 mm (7.7 in) over about 15 days. In contrast, November sees much cooler temperatures, with a minimum of 7°C (45°F), an average of 19°C (67°F), and a maximum of 26°C (79°F). The precipitation drops significantly to 56 mm (2.2 in) over only 6 days, and the humidity rises slightly to 81%. For more details on November weather, you can check Grand Isle weather in November.

June and December present strikingly different weather patterns. June boasts warm temperatures, with a minimum of 24°C (75°F) and an average of 27°C (81°F), peaking at a high of 31°C (87°F). This month is also characterized by significant rainfall, receiving 195 mm (7.7 in) over approximately 15 days, combined with a humidity level of 74%. In contrast, December experiences much cooler weather, with temperatures ranging from a minimum of 6°C (43°F) to a maximum of 24°C (75°F), averaging 17°C (62°F). Additionally, December receives less precipitation at 109 mm (4.3 in) over about 10 days, along with a higher humidity of 84%. For more detailed insights into December weather, visit Grand Isle weather in December.

Compare Grand Isle's Climate with Cities Worldwide

Conclusion: What to Expect From June Weather in Grand Isle

As June unfolds in Grand Isle, the weather signals the onset of summer, boasting warm temperatures and a noticeable increase in humidity that differentiates it from the milder months preceding it. While daytime highs soar to around 31°C, evenings remain comfortably warm, allowing for pleasant nightly outings. Rainfall becomes more frequent, with precipitation occurring on about half the days of the month, contributing to the lush landscapes typical of this season. Visitors should embrace the vibrant summer atmosphere but also prepare for those afternoon showers that punctuate the sultry days. To explore more about the weather dynamics throughout the year, visit Grand Isle Climate.